toshiba tv lcd panel replacement made in china

The first electronic television was invented by Philco Taylor Farnsworth from Utah in 1927 but even by 1946 only 0.5% of U.S. households owned a TV set. By 1954, 55.7% of households had them, and by 1962, 90% did. During this time a staggering number of U.S.-based brands popped up to meet the insatiable demand of consumers who wanted to watch Lucille Ball, Steve Allen, and Gunsmoke. And the manufacturing was done in the United States.

Today, there are only a handful of TV brands left outside of China: Samsung and LG (South Korea), Sony (Japan), Philips (EU) and Vizio (US). A company in China had attempted to acquire Vizio in 2016, but that deal never happened so as of now they’re still a US company (they recently had their long-awaited IPO).

Pretty much every other brand you’ve heard of: TCL, HiSense, Seiki, Insignia are 100% based in China. Just recently, Japanese electronics giant Panasonic announced that they were outsourcing their TV production to TCL. And many recognizable brands like Toshiba, Sharp, Westinghouse have also been subsumed by China-based companies.

Here’s where it gets complicated. As we’ve seen in posts for other kinds of products, you simply can’t find a TV where 100% of the components are made outside of China. For example, LG Electronics (who builds TVs) sources its WOLED panels from LG Display, who had produced their panels in South Korea but is shifting production to Guangzhou, China. So regardless of what TV you buy, a portion of it is going to prop up the CCP.

And ideally, you’ll want to find a company that at the very least assembles their products outside of China, even if many or most of the parts are made in China. This is where the large form factor of the TV helps. A manufacturer in China could assemble a 65″ or 75″ TV and ship it 7,000 miles away, but at that size and weight it’s probably more cost effective to build a plant that’s closer to their target market and hire locals to assemble the product. So at least there’s some benefit to the local economy.

Manufacturers tend to be coy about where their parts come from and where their products are assembled. If you read what their PR departments post as a response to Amazon questions a typical responses is something vague like “our TVs are built all over the world”, so we don’t know if 99% of a TV was made in China and the other 1% was divvied up between other countries.

A little Internet sleuthing helps, however. As of 2021, Samsung has recently ceased TV production in China. Sony TVs intended for the North American market are assembled in Mexico. LG TVs are also produced in Mexico for the North American market and in Poland for the European market. Vizio does maintain manufacturing facilities in Taiwan and Mexico, so there’s a decent chance your North American-based set was made there.

LG took home the “best TV” prize at CES 2021 with this model. The C1 is the next-generation of the 2020 CX model that made just about every consumer electronics publication’s “best of” list for 2020. The C1 comes in 48″, 55″, 65″, 77″ sizes and a brand new 83″ model.

LG also offers LCD sets, but OLED is the way to you. OLED is made up of organic material, so pixels “light up” themselves as opposed to traditional LED screens which are lit by a backlight. The results are much blacker blacks, much more accurate and vivid colors, and a near-infinite contrast ratio. It features Dolby Vision IQ and Dolby Atmos sound, a 120Hz refresh rate for gaming, and an α9 Gen4 AI Processor 4K chip to optimize content in real time.

Sony’s TV lineup also consists of OLED and LED models. While their OLED models are excellent TVs, especially for home theater setups, most reviewers give the overall OLED edge to LG.

However, there may be reasons you’re in the market for an ordinary LED panel. The most common reason has to to with screen burn-in. There is no more helpless feeling than paying thousands of dollars for a new OLED TV or smartphone, and then after accidentally leaving it on having images burned into it. With traditional LED TVs, that’s never aa concern–you can leave it on the same channel as long as you like or use it as a computer monitor.

Not surprisingly, Sony has squeezed a lot out of the TV. It achieves a high contrast ratio and decent blacks without OLED. Its fast response time, HDMI 2.1 ports, and 120Hz refresh rate make it very good for gaming.

This is the top of the line TV from Samsung. Its quantum dot technology allows for a full range of vivid colors even at high brightness levels where OLED starts to falter. It also introduces a new backlighting technology using Quantum Mini LEDs that are 1/40th the height of conventional LEDs and which can be packed together in tight spaces, allowing for stunning brightness and contrast and deeper blacks that rival or surpass OLEDs, all without burn-in.

Many call this TV the very best TV you can buy right now anywhere. The price tag is a whopping $5000, but if you have that kind of disposable income, you will definitely get what you pay for.

I tend to focus on the US market mostly, but for those of you visiting from Europe, Paul in the comments below brought up Cello TVs. I never heard of this brand before but the more I learn about them the more I’m impressed. They manufacture all of their TVs in County Durham in the North East of England.

Cello has an impressively low price point (alas, it would be cost-prohibitive to ship them across the Atlantic Ocean, so we can’t find them here in the US). Their reviews on Amazon are consistently high (sadly, it looks like China trolls are on Amazon UK upvoting every negative comment to get them to rise to the top, but focus on the overall ratings). If you need a basic TV at a great price that supports communities and the economy in the UK, you should definitely get one of these.

The standard cable channels or standard over-the-air (OTA) channels often appear fuzzy or blurry on your LCD TV because of a mismatch between the resolution capability of your TV and the resolution of the analog signal transmitted by your cable company or OTA broadcaster. The signal you are getting from your cable company is a low definition 480i signal, with a resolution of approximately 640 by 480. In most cases, your LCD TV is a high definition TV with a resolution capability of 1366 by 768, 1440 by 900, or 1920 by 1080. It is this mismatch between the standard cable or OTA signal resolution and the TV resolution that causes the problem.

Note: In many cases, even when you are viewing digital channels, the picture will look fuzzy. This happens because the signal your set is receiving, although digital, is a digitized standard (480i or 480p) transmission, not a digital high definition transmission. Again, you have the mismatch between a standard resolution picture and your high definition TV display.

If you are watching an analog channel or transmission, and the picture is fuzzy, you may be able to clear up the picture by reducing the size of the picture to 4:3, the native size of analog TV pictures.

Using the Sharpness Function If the picture on your LCD TV is blurry, you may be able to clear it up with the Sharpness function. To use the Sharpness function on most Toshiba LCD TVs, follow these steps:

If you have a cable box and the picture on your LCD TV is fuzzy or blurry, chances are you have it connected to your cable box using the Composite (standard, AV, Cable) or S-video connections. These are the lowest quality connections.

To improve your picture, try connecting your LCD TV to your cable box using the Component (Pb, Pr, and Y) connections. If you have digital cable or you receive over-the-air digital programs, try adding digital DVI or HDMI connections.

Component and DVI connections carry video only. If you choose the Component or DVI connections, you must also connect the Left and Right Audio out on your cable box to the appropriate Left and Right audio in jacks on your TV. HDMI carries both video and audio. If you choose HDMI, you need to connect only the HDMI cable.

Note 1: If your cable box doesn"t have Component, DVI, or HDMI connections, contact your cable company to see if they have replacement boxes with these kinds of connections built in. Also, connecting using DVI or HDMI will only help on the digital channels.

Important: If you add connections, make sure you use the Source button on your remote to change to the appropriate video source when you watch your TV.

This article with discuss the best TVs not made in China . Well take a look at some of the biggest names in the world of TV to see what they offer for consumers looking for a non-China TV brand.

People should buy non-Chinese brand TVs because they are safer than Chinese ones. In addition, there are many Indian TV brands that are better than Chinese ones. These include Sony, Samsung, LG, Vizio, and Toshiba.

A smart TV should be able to play any type of media content. It should also be able to connect to other devices such as tablets or smartphones. It should also come with many different types of features such as 3D, surround sound, etc. Finally, it should be affordable.

LGs lineup can be a confusing mix of alphabet soup, but what matters is that there are three different ranges of LG OLED TVs:A1, Budget-Friendly - This is the low-end of the lineup, sacrificing certain features to save on costs. They will give up things like refresh rate, so the A1 models will have a lower refresh rate.

Not surprisingly, Sony has squeezed as much as possible out of the TV. The contrast ratio is excellent, black levels are quite good, and the fast response time makes it ideal for gaming. It has two HDMI 2.1 ports and a 120Hz refresh rate.

The Sony X95J TV is a replacement for the X900H from last year. Some people think that the Samsung QN 90A series is also a good option, but the price point of the Sony makes it more attractive.

COGNITIVE PROCESSOR XR - Revolutionary TV processing technology that understands how humans see and hear to deliver intense contrast with pure blacks, high peak brightness, and natural colors.

Samsungs Class Neo QN900B TV is at the top of the class. Its got an incredible quantum dot technology display (QLED) that rivals OLED TVs. Its super thin, and its got a great design. Plus, its got 8K!

Even though theres not a huge number of 8K videos out there, but itll upscale 1080p and 4k content too. Many people refer to this TV as the best TV you can buy today anywhere.

Samsungs new TV is the very best TV you could buy right now. It offers amazing picture quality and features. Youll spend a fortune on it, but it will make your living room the envy of everyone else.

This Vizio V-Series TV is probably the cheapest 4K TV Ive ever seen. It comes with everything you need for a great experience. You get a nice looking screen, great sound quality, and a lot of other stuff.

The TV supports four high dynamic range (HDR) formats and features an LED backlit LCD panel to provide improved brightness uniformity. The fast 120 Hz Dynamic Motion refresh rate technology allows for smoother motion during fast-action sequences.

With the addition of Google Cast and Airplay support, the Vizio TV looks even better since it can stream content to and from other devices. For the average household that wants a second TV but doesnt want to spend a lot of money, the V-Series offers affordability and an almost unbeatable low price.

You can control the TV with voice commands using your Google Assistant, Siri or Amazon Echo devices. This feature makes watching television more convenient.

Dolby Vision HDR and HDR10 - See it the way the director intended. Dolby Vision transforms your TV experience with incredible brightness, contrast, and color that brings entertainment to life like never before. V-series also supports HDR10 and HLG high dynamic range formats.

This Toshiba C350 Smart TV is another great budget and value choice if youre looking for a smart TV that delivers good picture quality and performance.

With the included voice remote, you can use Alexa like a traditional remote control to manage TV power, channel selection, volume, navigation, and input switching.

See all your content in one place - Fire TV brings live, over-the-air TV, streaming channels, and your favorite apps together onto one convenient home screen. Subscriptions may be required. Content availability subject to change.

Regza Engine 4K is Toshibas high performance 4K engine for stunning picture quality, with ultra essential PQ technology combined with high quality LCD panel, you can get an incredible ultra HD 4K images with breath-taking picture quality.

4 times resolution of Full HD, four times the detail. With Toshiba 4K TV, you can enjoy uncompromisingly crisp, clear visuals for a fully immersive, professional theater quality.

It can sometimes feel like 99% of TVs are made in China. In 1994, China began to manufacture televisions. By 1996, China made more than half of all televisions manufactured worldwide. As of 2004, China makes over 80 percent of all televisions produced.

There are only a few TV brands left outside of mainland China: Samsung and LG from South Korea, Sony from Japan, Philips from Europe, and Vizio from the US. A Chinese company tried to acquire Vizio in July 2016, but that deal didnt happen so as of now theyre still a US company.

Almost every other brand youve heard of: TCL (China), Hisense (China), Seiki (China), Insignia (China). Recently, Japanese electronics giant Panasonic has outsourced its TV production to TCL (a Chinese company).

Chinese companies were able to mimic technologies from foreign manufacturers for many years because they outsourced to the Chinese companies. They werent able to replicate the high-quality equal to TVs from LG, Samsung, or Sony, but the Chinese TVs were good enough.

There arent as many choices for Non-Chinese TVs as there were in the past, but its possible to find a great TV without having to worry about whether it was made in China or not.

Hi. My brother received his LG86UN85 tv with a damaged screen. It was replaced by LG with little issue without the hassle of returning the original ( Yay LG!) Now I am wondering how much it will cost to replace such a big screen and whether it would work out better to just buy new. Ideas?

I have a 55′ Class 4K Ultra HD Roku Smart LED TV that has fallen over on the edge of the bed. Now it has a small crack on the inside and a light blue line going across the screen. Is this screen possible to get fixed and will it be expensive?

three vertical lines in my panasonic viera 39 inch led tv. left side corner two blue vertical lines and half middle of left side one green vertical line appearing in the tv. what problem i don’t know. but tv is working good. other problem nothing shown in the tv. what can i do? i am worried of that.

I have a Samsung model# UN55F6350AF / Version # WH04. The front screen is severely broken. It does power up and lights up in only about 50% of the screen. I do hear sounds as i adjust volume ,etc… So my question is can i replace broken LCD screen? Do you have a screen i can purchase? I have looked up part but am having hard ti.e finding. Your video was very imformational but would like to see how the front screen comes apart. Thanks!

I have a Insignia LCD TV (Model No: NS-554D20NA16) which fell off from the wall and I can see the cracks all over the screen. Can I replace the screen by myself.? Where can I find the screen and procedure to replace.?

I believe you might just be out of luck. The odds of finding a replacement screen for your tv and not spending an arm and a leg will be very, very high. Did you happen to find one? The reason I am asking is that I also have a P652ui-b2 and the tv turns on for a few minutes and then shuts itself off. I see no backlights or anything. I believe I may have a cabling issue inside the tv or panel issue. I have tried replacing all the boards but have come up empty. Do you still have this tv? I may need some parts and finding parts for this tv has become a never-ending search.

The same thing happen to me yesterday with my 60 inch Samsung Smart TV. The screen was cracked on the inside because it was to hot. I just turned the Tv on and there is the crack on the bottom middle and they are stating that this is cause by physical damage and are not repairing it and all I did was turn it on and their stating its not under warranty because the inside is cracked so its my fault….how can they assume its my fault when all I did was turn it on and they didn’t even look at it….omg seriously. I am SO furious that I just lost 600$ and only had this TV for 6 months. I have an Emerson flat screen and this is still in working condition over 5 years and still going. I will never ever buy a Samsung TV again due to how they treat their customers. They just got a free 600$ from me. I did not break my screen, I kept it always clean, I take really good care of my stuff. I dont know what else to do, if it was my fault I understand but it’s not.

Which is mounted to wall and been there for the past 3-4 months. The tv got so hot that i could smell the plastic burning, ive touch the edge of tv unit which caused a burn to my hand and a crack in screen .

Ive been talking to samsung and they sent out a technician and in his report he put down crack is due to impact therefor samsung will not replace or fix my tv . I know 100% that there was no impact. After the crack had appeared i could only see half tv screen working and by time servive tech arrived i had no screen, so now im stuck with a non working samsung smart tv 60inch

Hi my curved TV has the screen cracked on the outside of it from a remote being throw at the screen. The screen, colour and sound did work for a bit on the right side of the TV but now the screen is black and wont show any picture! What do u think the problem is and how do I fix it and what sort of price do you think it may cost to fix it?

I have a 72″ Vizio model number E701i-A3 and it was hit with a playstation remote on the bottom by my son. The outside isn’t cracked, but it looks like the inside is cracked, and there are colored lines going up part of the right side of the screen. Can the inside screen be replaced, and where would I find a replacement if so? Thank you in advance.

I have a Samsung 55″ 4K smart TV and by the sound of your description it has cracked from the inside. Now I have a white screen. The TV is over 2 years old so I am not covered under manufacturers warranty. I want to try to fix it because it was an expensive TV. So far every TV repair store I’ve called has told me they cannot repair because it cost the same as buying a new one. Would I be able to change the screen and repair it myself? DO you have a link where I can buy a screen?

I have a Visio 65″ 4K. Just moved and turned it on to find cracks but the screen outside does not appeared cracked when off. The model number P652ui-b2. Where can I find a screen replacement part numbe?

i had this very same problem. my inner screen cracked not even a month after getting the tv. it has manufactures warranty and i bought the shop warranty (although that doesnt start til the year is up). i got the company to send someone out to repair it and the guy said theres an impact site so it wont be covered by the manufacture or the company (didnt find out til then that wasnt covered for accidental damage) even though no one had been anywhere near the tv.

My husband and i just spent $350 on a brand new 55 inch Roku TCL 4K LED Smart tv and as we were putting the legs on it my son came and banged on it, nothing looked outta place until we plugged it in and turned it on, the led screen is cracked and we are looking for a not super costly replacement screen or decently price repair shop that will repair it without charging an arm and a leg.

I have a 50″ samsung flat screen. Cracked screen when you turn it on you can hear that it does turn on but shows nothing. Where can i get a replacement screen.

I have a Samsung model code UN46d8000YFXZA, version No. H302, S/N Z2ZE3CYB900091J. It was damaged a few years ago by a marble and seems to be below the surface affecting the screen, but not the glass. I never got rid of the tv as this was very expensive and this occurred shortly after it was purchased in hopes of one day finding a way to fix. Attempts a few years ago were fruitless.

I have a 55″ L55F243N3CV1 telefunken smart led tv in Nairobi , Kenya needing a replacement screen. It broke while new on transit from Germany. Where can l get one at a reasonable price?

I have Samsung curved 4k TV. My son thew a toy and cracked it on the top of the tv now there is black line down the tv. I am not worried about the crack. Its small crack just wanted to know if the black line can be repaired.

I have a 32″ TCL roku smart TV. The screen is broken, is there another brand if screen that it uses? I cannot find its replacement online and the manufacturer does not supply it.

If your Philips LED TV fell off the wall and cracked internally, it will not be covered by warranty. Did you get any type of extended warranty when you purchased it? If so you can make a claim and usually any kind of damage in any form is covered. If you do not have an extended warranty, you will need to find out what is broken and what needs to be replaced. Specialty TV parts can be purchased online.

My Philips Led TV which is just 2 months old, fell off the wall yesterday. It is fine from outside but when I turn the TV on, the screen has cracked from inside and darkened too. My TV has 3 years warranty. Is there anyway by which we can get it repaired under warranty?

My brother threw a remote at my Sanyo plasma TV. It’s not cracked from the outside visibly but when you turn it on there’s a fat crack with complete darkness with multicolored lines. I don’t know what to do.

Hi, I have a 31.5″ Sanyo HDTV with LCD screen. My tv worked fine when power went off. I think they were working on power lines outside. Later that night I turned tv on and top left corner looked like a spider web. But you could still see tv picture through it. I couldn’t find my warranty papers so I put tv back in original box and stored it. I took it out to put in extra bedroom and tv has lines and looks like liquid pouring in screen. There is no visible damage to screen. So I don’t think anything hit the tv. The tv is only 3 years old and has wifi, netflix, etc on it. I hate to junk it if it’s worth fixing. I paid $350 for tv. Any advice?

If the TV is cracked from the inside, a new screen will be needed to fix the rainbow lines. Try looking online for an aftermarket screen and you may find one for less than OEM.

How do I fix my 60″ lg smart tv .it is displaying rainbow lines down and flashing across. It was hit when you turn the tv on you can see where it was hit .I believe it’s cracked inside

It should work for some time…. just depends how bad the internal crack is. If it not distorting your view, let it go as it should be okay as long as the TV is not hit or knocked over again. However… heat may make the crack bigger and make the TV unviewable. If the TV is left on for a long time, it may heat the area up and make the crack worse. Keep an eye on it and if the crack gets larger, you may need to replace the screen or get a new TV.

Our samsung lcd tv has a star looking “crack” apparently in the internal screen . It was hit by a toy. The tv is still working fine but in the corner it looks like a rainbow colored star. How long is the tv going to last in your opinion before it completely goes?

Was the screen on your Element TV hit or did the TV fall over? If so then the warranty will not cover the crack. If you can prove that the screen was not hit and the screen crack was caused by a heat related issue, then at times they will cover it but the process will take some time. If the inside screen is cracked and not the outer screen, you can say the crack is a heat related issue and therefore is a defect in the screen or TV boards heating up. Was the TV hit or did it fall over?

I have a 40 inch Element HD TV, the inside screen is cracked and its getting worse. How can I save my television set event though I have a warranty. They say it does not cover cracked screens. Please help!

Glass substrate with ITO electrodes. The shapes of these electrodes will determine the shapes that will appear when the LCD is switched ON. Vertical ridges etched on the surface are smooth.

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly,backlight or reflector to produce images in color or monochrome.seven-segment displays, as in a digital clock, are all good examples of devices with these displays. They use the same basic technology, except that arbitrary images are made from a matrix of small pixels, while other displays have larger elements. LCDs can either be normally on (positive) or off (negative), depending on the polarizer arrangement. For example, a character positive LCD with a backlight will have black lettering on a background that is the color of the backlight, and a character negative LCD will have a black background with the letters being of the same color as the backlight. Optical filters are added to white on blue LCDs to give them their characteristic appearance.

LCDs are used in a wide range of applications, including LCD televisions, computer monitors, instrument panels, aircraft cockpit displays, and indoor and outdoor signage. Small LCD screens are common in LCD projectors and portable consumer devices such as digital cameras, watches, digital clocks, calculators, and mobile telephones, including smartphones. LCD screens are also used on consumer electronics products such as DVD players, video game devices and clocks. LCD screens have replaced heavy, bulky cathode-ray tube (CRT) displays in nearly all applications. LCD screens are available in a wider range of screen sizes than CRT and plasma displays, with LCD screens available in sizes ranging from tiny digital watches to very large television receivers. LCDs are slowly being replaced by OLEDs, which can be easily made into different shapes, and have a lower response time, wider color gamut, virtually infinite color contrast and viewing angles, lower weight for a given display size and a slimmer profile (because OLEDs use a single glass or plastic panel whereas LCDs use two glass panels; the thickness of the panels increases with size but the increase is more noticeable on LCDs) and potentially lower power consumption (as the display is only "on" where needed and there is no backlight). OLEDs, however, are more expensive for a given display size due to the very expensive electroluminescent materials or phosphors that they use. Also due to the use of phosphors, OLEDs suffer from screen burn-in and there is currently no way to recycle OLED displays, whereas LCD panels can be recycled, although the technology required to recycle LCDs is not yet widespread. Attempts to maintain the competitiveness of LCDs are quantum dot displays, marketed as SUHD, QLED or Triluminos, which are displays with blue LED backlighting and a Quantum-dot enhancement film (QDEF) that converts part of the blue light into red and green, offering similar performance to an OLED display at a lower price, but the quantum dot layer that gives these displays their characteristics can not yet be recycled.

Since LCD screens do not use phosphors, they rarely suffer image burn-in when a static image is displayed on a screen for a long time, e.g., the table frame for an airline flight schedule on an indoor sign. LCDs are, however, susceptible to image persistence.battery-powered electronic equipment more efficiently than a CRT can be. By 2008, annual sales of televisions with LCD screens exceeded sales of CRT units worldwide, and the CRT became obsolete for most purposes.

Each pixel of an LCD typically consists of a layer of molecules aligned between two transparent electrodes, often made of Indium-Tin oxide (ITO) and two polarizing filters (parallel and perpendicular polarizers), the axes of transmission of which are (in most of the cases) perpendicular to each other. Without the liquid crystal between the polarizing filters, light passing through the first filter would be blocked by the second (crossed) polarizer. Before an electric field is applied, the orientation of the liquid-crystal molecules is determined by the alignment at the surfaces of electrodes. In a twisted nematic (TN) device, the surface alignment directions at the two electrodes are perpendicular to each other, and so the molecules arrange themselves in a helical structure, or twist. This induces the rotation of the polarization of the incident light, and the device appears gray. If the applied voltage is large enough, the liquid crystal molecules in the center of the layer are almost completely untwisted and the polarization of the incident light is not rotated as it passes through the liquid crystal layer. This light will then be mainly polarized perpendicular to the second filter, and thus be blocked and the pixel will appear black. By controlling the voltage applied across the liquid crystal layer in each pixel, light can be allowed to pass through in varying amounts thus constituting different levels of gray.

The chemical formula of the liquid crystals used in LCDs may vary. Formulas may be patented.Sharp Corporation. The patent that covered that specific mixture expired.

Most color LCD systems use the same technique, with color filters used to generate red, green, and blue subpixels. The LCD color filters are made with a photolithography process on large glass sheets that are later glued with other glass sheets containing a TFT array, spacers and liquid crystal, creating several color LCDs that are then cut from one another and laminated with polarizer sheets. Red, green, blue and black photoresists (resists) are used. All resists contain a finely ground powdered pigment, with particles being just 40 nanometers across. The black resist is the first to be applied; this will create a black grid (known in the industry as a black matrix) that will separate red, green and blue subpixels from one another, increasing contrast ratios and preventing light from leaking from one subpixel onto other surrounding subpixels.Super-twisted nematic LCD, where the variable twist between tighter-spaced plates causes a varying double refraction birefringence, thus changing the hue.

LCD in a Texas Instruments calculator with top polarizer removed from device and placed on top, such that the top and bottom polarizers are perpendicular. As a result, the colors are inverted.

The optical effect of a TN device in the voltage-on state is far less dependent on variations in the device thickness than that in the voltage-off state. Because of this, TN displays with low information content and no backlighting are usually operated between crossed polarizers such that they appear bright with no voltage (the eye is much more sensitive to variations in the dark state than the bright state). As most of 2010-era LCDs are used in television sets, monitors and smartphones, they have high-resolution matrix arrays of pixels to display arbitrary images using backlighting with a dark background. When no image is displayed, different arrangements are used. For this purpose, TN LCDs are operated between parallel polarizers, whereas IPS LCDs feature crossed polarizers. In many applications IPS LCDs have replaced TN LCDs, particularly in smartphones. Both the liquid crystal material and the alignment layer material contain ionic compounds. If an electric field of one particular polarity is applied for a long period of time, this ionic material is attracted to the surfaces and degrades the device performance. This is avoided either by applying an alternating current or by reversing the polarity of the electric field as the device is addressed (the response of the liquid crystal layer is identical, regardless of the polarity of the applied field).

Displays for a small number of individual digits or fixed symbols (as in digital watches and pocket calculators) can be implemented with independent electrodes for each segment.alphanumeric or variable graphics displays are usually implemented with pixels arranged as a matrix consisting of electrically connected rows on one side of the LC layer and columns on the other side, which makes it possible to address each pixel at the intersections. The general method of matrix addressing consists of sequentially addressing one side of the matrix, for example by selecting the rows one-by-one and applying the picture information on the other side at the columns row-by-row. For details on the various matrix addressing schemes see passive-matrix and active-matrix addressed LCDs.

LCDs, along with OLED displays, are manufactured in cleanrooms borrowing techniques from semiconductor manufacturing and using large sheets of glass whose size has increased over time. Several displays are manufactured at the same time, and then cut from the sheet of glass, also known as the mother glass or LCD glass substrate. The increase in size allows more displays or larger displays to be made, just like with increasing wafer sizes in semiconductor manufacturing. The glass sizes are as follows:

Until Gen 8, manufacturers would not agree on a single mother glass size and as a result, different manufacturers would use slightly different glass sizes for the same generation. Some manufacturers have adopted Gen 8.6 mother glass sheets which are only slightly larger than Gen 8.5, allowing for more 50 and 58 inch LCDs to be made per mother glass, specially 58 inch LCDs, in which case 6 can be produced on a Gen 8.6 mother glass vs only 3 on a Gen 8.5 mother glass, significantly reducing waste.AGC Inc., Corning Inc., and Nippon Electric Glass.

In 1922, Georges Friedel described the structure and properties of liquid crystals and classified them in three types (nematics, smectics and cholesterics). In 1927, Vsevolod Frederiks devised the electrically switched light valve, called the Fréedericksz transition, the essential effect of all LCD technology. In 1936, the Marconi Wireless Telegraph company patented the first practical application of the technology, "The Liquid Crystal Light Valve". In 1962, the first major English language publication Molecular Structure and Properties of Liquid Crystals was published by Dr. George W. Gray.RCA found that liquid crystals had some interesting electro-optic characteristics and he realized an electro-optical effect by generating stripe-patterns in a thin layer of liquid crystal material by the application of a voltage. This effect is based on an electro-hydrodynamic instability forming what are now called "Williams domains" inside the liquid crystal.

In the late 1960s, pioneering work on liquid crystals was undertaken by the UK"s Royal Radar Establishment at Malvern, England. The team at RRE supported ongoing work by George William Gray and his team at the University of Hull who ultimately discovered the cyanobiphenyl liquid crystals, which had correct stability and temperature properties for application in LCDs.

The idea of a TFT-based liquid-crystal display (LCD) was conceived by Bernard Lechner of RCA Laboratories in 1968.dynamic scattering mode (DSM) LCD that used standard discrete MOSFETs.

On December 4, 1970, the twisted nematic field effect (TN) in liquid crystals was filed for patent by Hoffmann-LaRoche in Switzerland, (Swiss patent No. 532 261) with Wolfgang Helfrich and Martin Schadt (then working for the Central Research Laboratories) listed as inventors.Brown, Boveri & Cie, its joint venture partner at that time, which produced TN displays for wristwatches and other applications during the 1970s for the international markets including the Japanese electronics industry, which soon produced the first digital quartz wristwatches with TN-LCDs and numerous other products. James Fergason, while working with Sardari Arora and Alfred Saupe at Kent State University Liquid Crystal Institute, filed an identical patent in the United States on April 22, 1971.ILIXCO (now LXD Incorporated), produced LCDs based on the TN-effect, which soon superseded the poor-quality DSM types due to improvements of lower operating voltages and lower power consumption. Tetsuro Hama and Izuhiko Nishimura of Seiko received a US patent dated February 1971, for an electronic wristwatch incorporating a TN-LCD.

In 1972, the concept of the active-matrix thin-film transistor (TFT) liquid-crystal display panel was prototyped in the United States by T. Peter Brody"s team at Westinghouse, in Pittsburgh, Pennsylvania.Westinghouse Research Laboratories demonstrated the first thin-film-transistor liquid-crystal display (TFT LCD).high-resolution and high-quality electronic visual display devices use TFT-based active matrix displays.active-matrix liquid-crystal display (AM LCD) in 1974, and then Brody coined the term "active matrix" in 1975.

In 1972 North American Rockwell Microelectronics Corp introduced the use of DSM LCDs for calculators for marketing by Lloyds Electronics Inc, though these required an internal light source for illumination.Sharp Corporation followed with DSM LCDs for pocket-sized calculators in 1973Seiko and its first 6-digit TN-LCD quartz wristwatch, and Casio’s ‘Casiotron’. Color LCDs based on Guest-Host interaction were invented by a team at RCA in 1968.TFT LCDs similar to the prototypes developed by a Westinghouse team in 1972 were patented in 1976 by a team at Sharp consisting of Fumiaki Funada, Masataka Matsuura, and Tomio Wada,

In 1983, researchers at Brown, Boveri & Cie (BBC) Research Center, Switzerland, invented the passive matrix-addressed LCDs. H. Amstutz et al. were listed as inventors in the corresponding patent applications filed in Switzerland on July 7, 1983, and October 28, 1983. Patents were granted in Switzerland CH 665491, Europe EP 0131216,

The first color LCD televisions were developed as handheld televisions in Japan. In 1980, Hattori Seiko"s R&D group began development on color LCD pocket televisions.Seiko Epson released the first LCD television, the Epson TV Watch, a wristwatch equipped with a small active-matrix LCD television.dot matrix TN-LCD in 1983.Citizen Watch,TFT LCD.computer monitors and LCD televisions.3LCD projection technology in the 1980s, and licensed it for use in projectors in 1988.compact, full-color LCD projector.

In 1990, under different titles, inventors conceived electro optical effects as alternatives to twisted nematic field effect LCDs (TN- and STN- LCDs). One approach was to use interdigital electrodes on one glass substrate only to produce an electric field essentially parallel to the glass substrates.Germany by Guenter Baur et al. and patented in various countries.Hitachi work out various practical details of the IPS technology to interconnect the thin-film transistor array as a matrix and to avoid undesirable stray fields in between pixels.

Hitachi also improved the viewing angle dependence further by optimizing the shape of the electrodes (Super IPS). NEC and Hitachi become early manufacturers of active-matrix addressed LCDs based on the IPS technology. This is a milestone for implementing large-screen LCDs having acceptable visual performance for flat-panel computer monitors and television screens. In 1996, Samsung developed the optical patterning technique that enables multi-domain LCD. Multi-domain and In Plane Switching subsequently remain the dominant LCD designs through 2006.South Korea and Taiwan,

In 2007 the image quality of LCD televisions surpassed the image quality of cathode-ray-tube-based (CRT) TVs.LCD TVs were projected to account 50% of the 200 million TVs to be shipped globally in 2006, according to Displaybank.Toshiba announced 2560 × 1600 pixels on a 6.1-inch (155 mm) LCD panel, suitable for use in a tablet computer,transparent and flexible, but they cannot emit light without a backlight like OLED and microLED, which are other technologies that can also be made flexible and transparent.

In 2016, Panasonic developed IPS LCDs with a contrast ratio of 1,000,000:1, rivaling OLEDs. This technology was later put into mass production as dual layer, dual panel or LMCL (Light Modulating Cell Layer) LCDs. The technology uses 2 liquid crystal layers instead of one, and may be used along with a mini-LED backlight and quantum dot sheets.

Since LCDs produce no light of their own, they require external light to produce a visible image.backlight. Active-matrix LCDs are almost always backlit.Transflective LCDs combine the features of a backlit transmissive display and a reflective display.

CCFL: The LCD panel is lit either by two cold cathode fluorescent lamps placed at opposite edges of the display or an array of parallel CCFLs behind larger displays. A diffuser (made of PMMA acrylic plastic, also known as a wave or light guide/guiding plateinverter to convert whatever DC voltage the device uses (usually 5 or 12 V) to ≈1000 V needed to light a CCFL.

EL-WLED: The LCD panel is lit by a row of white LEDs placed at one or more edges of the screen. A light diffuser (light guide plate, LGP) is then used to spread the light evenly across the whole display, similarly to edge-lit CCFL LCD backlights. The diffuser is made out of either PMMA plastic or special glass, PMMA is used in most cases because it is rugged, while special glass is used when the thickness of the LCD is of primary concern, because it doesn"t expand as much when heated or exposed to moisture, which allows LCDs to be just 5mm thick. Quantum dots may be placed on top of the diffuser as a quantum dot enhancement film (QDEF, in which case they need a layer to be protected from heat and humidity) or on the color filter of the LCD, replacing the resists that are normally used.

WLED array: The LCD panel is lit by a full array of white LEDs placed behind a diffuser behind the panel. LCDs that use this implementation will usually have the ability to dim or completely turn off the LEDs in the dark areas of the image being displayed, effectively increasing the contrast ratio of the display. The precision with which this can be done will depend on the number of dimming zones of the display. The more dimming zones, the more precise the dimming, with less obvious blooming artifacts which are visible as dark grey patches surrounded by the unlit areas of the LCD. As of 2012, this design gets most of its use from upscale, larger-screen LCD televisions.

RGB-LED array: Similar to the WLED array, except the panel is lit by a full array of RGB LEDs. While displays lit with white LEDs usually have a poorer color gamut than CCFL lit displays, panels lit with RGB LEDs have very wide color gamuts. This implementation is most popular on professional graphics editing LCDs. As of 2012, LCDs in this category usually cost more than $1000. As of 2016 the cost of this category has drastically reduced and such LCD televisions obtained same price levels as the former 28" (71 cm) CRT based categories.

Monochrome LEDs: such as red, green, yellow or blue LEDs are used in the small passive monochrome LCDs typically used in clocks, watches and small appliances.

Today, most LCD screens are being designed with an LED backlight instead of the traditional CCFL backlight, while that backlight is dynamically controlled with the video information (dynamic backlight control). The combination with the dynamic backlight control, invented by Philips researchers Douglas Stanton, Martinus Stroomer and Adrianus de Vaan, simultaneously increases the dynamic range of the display system (also marketed as HDR, high dynamic range television or called Full-area Local Area Dimming (FLAD)

The LCD backlight systems are made highly efficient by applying optical films such as prismatic structure (prism sheet) to gain the light into the desired viewer directions and reflective polarizing films that recycle the polarized light that was formerly absorbed by the first polarizer of the LCD (invented by Philips researchers Adrianus de Vaan and Paulus Schaareman),

Due to the LCD layer that generates the desired high resolution images at flashing video speeds using very low power electronics in combination with LED based backlight technologies, LCD technology has become the dominant display technology for products such as televisions, desktop monitors, notebooks, tablets, smartphones and mobile phones. Although competing OLED technology is pushed to the market, such OLED displays do not feature the HDR capabilities like LCDs in combination with 2D LED backlight technologies have, reason why the annual market of such LCD-based products is still growing faster (in volume) than OLED-based products while the efficiency of LCDs (and products like portable computers, mobile phones and televisions) may even be further improved by preventing the light to be absorbed in the colour filters of the LCD.

A pink elastomeric connector mating an LCD panel to circuit board traces, shown next to a centimeter-scale ruler. The conductive and insulating layers in the black stripe are very small.

A standard television receiver screen, a modern LCD panel, has over six million pixels, and they are all individually powered by a wire network embedded in the screen. The fine wires, or pathways, form a grid with vertical wires across the whole screen on one side of the screen and horizontal wires across the whole screen on the other side of the screen. To this grid each pixel has a positive connection on one side and a negative connection on the other side. So the total amount of wires needed for a 1080p display is 3 x 1920 going vertically and 1080 going horizontally for a total of 6840 wires horizontally and vertically. That"s three for red, green and blue and 1920 columns of pixels for each color for a total of 5760 wires going vertically and 1080 rows of wires going horizontally. For a panel that is 28.8 inches (73 centimeters) wide, that means a wire density of 200 wires per inch along the horizontal edge.

The LCD panel is powered by LCD drivers that are carefully matched up with the edge of the LCD panel at the factory level. The drivers may be installed using several methods, the most common of which are COG (Chip-On-Glass) and TAB (Tape-automated bonding) These same principles apply also for smartphone screens that are much smaller than TV screens.anisotropic conductive film or, for lower densities, elastomeric connectors.

Monochrome and later color passive-matrix LCDs were standard in most early laptops (although a few used plasma displaysGame Boyactive-matrix became standard on all laptops. The commercially unsuccessful Macintosh Portable (released in 1989) was one of the first to use an active-matrix display (though still monochrome). Passive-matrix LCDs are still used in the 2010s for applications less demanding than laptop computers and TVs, such as inexpensive calculators. In particular, these are used on portable devices where less information content needs to be displayed, lowest power consumption (no backlight) and low cost are desired or readability in direct sunlight is needed.

STN LCDs have to be continuously refreshed by alternating pulsed voltages of one polarity during one frame and pulses of opposite polarity during the next frame. Individual pixels are addressed by the corresponding row and column circuits. This type of display is called response times and poor contrast are typical of passive-matrix addressed LCDs with too many pixels and driven according to the "Alt & Pleshko" drive scheme. Welzen and de Vaan also invented a non RMS drive scheme enabling to drive STN displays with video rates and enabling to show smooth moving video images on an STN display.

Bistable LCDs do not require continuous refreshing. Rewriting is only required for picture information changes. In 1984 HA van Sprang and AJSM de Vaan invented an STN type display that could be operated in a bistable mode, enabling extremely high resolution images up to 4000 lines or more using only low voltages.

High-resolution color displays, such as modern LCD computer monitors and televisions, use an active-matrix structure. A matrix of thin-film transistors (TFTs) is added to the electrodes in contact with the LC layer. Each pixel has its own dedicated transistor, allowing each column line to access one pixel. When a row line is selected, all of the column lines are connected to a row of pixels and voltages corresponding to the picture information are driven onto all of the column lines. The row line is then deactivated and the next row line is selected. All of the row lines are selected in sequence during a refresh operation. Active-matrix addressed displays look brighter and sharper than passive-matrix addressed displays of the same size, and generally have quicker response times, producing much better images. Sharp produces bistable reflective LCDs with a 1-bit SRAM cell per pixel that only requires small amounts of power to maintain an image.

Segment LCDs can also have color by using Field Sequential Color (FSC LCD). This kind of displays have a high speed passive segment LCD panel with an RGB backlight. The backlight quickly changes color, making it appear white to the naked eye. The LCD panel is synchronized with the backlight. For example, to make a segment appear red, the segment is only turned ON when the backlight is red, and to make a segment appear magenta, the segment is turned ON when the backlight is blue, and it continues to be ON while the backlight becomes red, and it turns OFF when the backlight becomes green. To make a segment appear black, the segment is always turned ON. An FSC LCD divides a color image into 3 images (one Red, one Green and one Blue) and it displays them in order. Due to persistence of vision, the 3 monochromatic images appear as one color image. An FSC LCD needs an LCD panel with a refresh rate of 180 Hz, and the response time is reduced to just 5 milliseconds when compared with normal STN LCD panels which have a response time of 16 milliseconds.

Samsung introduced UFB (Ultra Fine & Bright) displays back in 2002, utilized the super-birefringent effect. It has the luminance, color gamut, and most of the contrast of a TFT-LCD, but only consumes as much power as an STN display, according to Samsung. It was being used in a variety of Samsung cellular-telephone models produced until late 2006, when Samsung stopped producing UFB displays. UFB displays were also used in certain models of LG mobile phones.

In-plane switching is an LCD technology that aligns the liquid crystals in a plane parallel to the glass substrates. In this method, the electrical field is applied through opposite electrodes on the same glass substrate, so that the liquid crystals can be reoriented (switched) essentially in the same plane, although fringe fields inhibit a homogeneous reorientation. This requires two transistors for each pixel instead of the single transistor needed for a standard thin-film transistor (TFT) display. The IPS technology is used in everything from televisions, computer monitors, and even wearable devices. IPS displays belong to the LCD panel family screen types. The other two types are VA and TN. Before LG Enhanced IPS was introduced in 2009, the additional transistors resulted in blocking more transmission area, thus requiring a brighter backlight and consuming more power, making this type of display less desirable for notebook computers. Currently Panasonic is using an enhanced version eIPS for their large size LCD-TV products as well as Hewlett-Packard in its WebOS based TouchPad tablet and their Chromebook 11.

In 2015 LG Display announced the implementation of a new technology called M+ which is the addition of white subpixel along with the regular RGB dots in their IPS panel technology.

Most of the new M+ technology was employed on 4K TV sets which led to a controversy after tests showed that the addition of a white sub pixel replacing the traditional RGB structure would reduce the resolution by around 25%. This means that a 4K TV cannot display the full UHD TV standard. The media and internet users later called this "RGBW" TVs because of the white sub pixel. Although LG Display has developed this technology for use in notebook display, outdoor and smartphones, it became more popular in the TV market because the announced 4K UHD resolution but still being incapable of achieving true UHD resolution defined by the CTA as 3840x2160 active pixels with 8-bit color. This negatively impacts the rendering of text, making it a bit fuzzier, which is especially noticeable when a TV is used as a PC monitor.

In 2011, LG claimed the smartphone LG Optimus Black (IPS LCD (LCD NOVA)) has the brightness up to 700 nits, while the competitor has only IPS LCD with 518 nits and double an active-matrix OLED (AMOLED) display with 305 nits. LG also claimed the NOVA display to be 50 percent more efficient than regular LCDs and to consume only 50 percent of the power of AMOLED displays when producing white on screen.

This pixel-layout is found in S-IPS LCDs. A chevron shape is used to widen the viewing cone (range of viewing directions with good contrast and low color shift).

Vertical-alignment displays are a form of LCDs in which the liquid crystals naturally align vertically to the glass substrates. When no voltage is applied, the liquid crystals remain perpendicular to the substrate, creating a black display between crossed polarizers. When voltage is applied, the liquid crystals shift to a tilted position, allowing light to pass through and create a gray-scale display depending on the amount of tilt generated by the electric field. It has a deeper-black background, a higher contrast ratio, a wider viewing angle, and better image quality at extreme temperatures than traditional twisted-nematic displays.

Blue phase mode LCDs have been shown as engineering samples early in 2008, but they are not in mass-production. The physics of blue phase mode LCDs suggest that very short switching times (≈1 ms) can be achieved, so time sequential color control can possibly be realized and expensive color filters would be obsolete.

Some LCD panels have defective transistors, causing permanently lit or unlit pixels which are commonly referred to as stuck pixels or dead pixels respectively. Unlike integrated circuits (ICs), LCD panels with a few defective transistors are usually still usable. Manufacturers" policies for the acceptable number of defective pixels vary greatly. At one point, Samsung held a zero-tolerance policy for LCD monitors sold in Korea.ISO 13406-2 standard.

Dead pixel policies are often hotly debated between manufacturers and customers. To regulate the acceptability of defects and to protect the end user, ISO released the ISO 13406-2 standard,ISO 9241, specifically ISO-9241-302, 303, 305, 307:2008 pixel defects. However, not every LCD manufacturer conforms to the ISO standard and the ISO standard is quite often interpreted in different ways. LCD panels are more likely to have defects than most ICs due to their larger size. For example, a 300 mm SVGA LCD has 8 defects and a 150 mm wafer has only 3 defects. However, 134 of the 137 dies on the wafer will be acceptable, whereas rejection of the whole LCD panel would be a 0% yield. In recent years, quality control has been improved. An SVGA LCD panel with 4 defective pixels is usually considered defective and customers can request an exchange for a new one.

Some manufacturers, notably in South Korea where some of the largest LCD panel manufacturers, such as LG, are located, now have a zero-defective-pixel guarantee, which is an extra screening process which can then determine "A"- and "B"-grade panels.clouding (or less commonly mura), which describes the uneven patches of changes in luminance. It is most visible in dark or black areas of displayed scenes.

The zenithal bistable device (ZBD), developed by Qinetiq (formerly DERA), can retain an image without power. The crystals may exist in one of two stable orientations ("black" and "white") and power is only required to change the image. ZBD Displays is a spin-off company from QinetiQ who manufactured both grayscale and color ZBD devices. Kent Displays has also developed a "no-power" display that uses polymer stabilized cholesteric liquid crystal (ChLCD). In 2009 Kent demonstrated the use of a ChLCD to cover the entire surface of a mobile phone, allowing it to change colors, and keep that color even when power is removed.

In 2004, researchers at the University of Oxford demonstrated two new types of zero-power bistable LCDs based on Zenithal bistable techniques.e.g., BiNem technology, are based mainly on the surface properties and need specific weak anchoring materials.

Resolution The resolution of an LCD is expressed by the number of columns and rows of pixels (e.g., 1024×768). Each pixel is usually composed 3 sub-pixels, a red, a green, and a blue one. This had been one of the few features of LCD performance that remained uniform among different designs. However, there are newer designs that share sub-pixels among pixels and add Quattron which attempt to efficiently increase the perceived resolution of a display without increasing the actual resolution, to mixed results.

Spatial performance: For a computer monitor or some other display that is being viewed from a very close distance, resolution is often expressed in terms of dot pitch or pixels per inch, which is consistent with the printing industry. Display density varies per application, with televisions generally having a low density for long-distance viewing and portable devices having a high density for close-range detail. The Viewing Angle of an LCD may be important depending on the display and its usage, the limitations of certain display technologies mean the display only displays accurately at certain angles.

Temporal performance: the temporal resolution of an LCD is how well it can display changing images, or the accuracy and the number of times per second the display draws the data it is being given. LCD pixels do not flash on/off between frames, so LCD monitors exhibit no refresh-induced flicker no matter how low the refresh rate.

Brightness and contrast ratio: Contrast ratio is the ratio of the brightness of a full-on pixel to a full-off pixel. The LCD itself is only a light valve and does not generate light; the light comes from a backlight that is either fluorescent or a set of LEDs. Brightness is usually stated as the maximum light output of the LCD, which can vary greatly based on the transparency of the LCD and the brightness of the backlight. Brighter backlight allows stronger contrast and higher dynamic range (HDR displays are graded in peak luminance), but there is always a trade-off between brightness and power consumption.

Usually no refresh-rate flicker, because the LCD pixels hold their state between refreshes (which are usually done at 200 Hz or faster, regardless of the input refresh rate).

No theoretical resolution limit. When multiple LCD panels are used together to create a single canvas, each additional panel increases the total resolution of the display, which is commonly called stacked resolution.

As an inherently digital device, the LCD can natively display digital data from a DVI or HDMI connection without requiring conversion to analog. Some LCD panels have native fiber optic inputs in addition to DVI and HDMI.

As of 2012, most implementations of LCD backlighting use pulse-width modulation (PWM) to dim the display,CRT monitor at 85 Hz refresh rate would (this is because the entire screen is strobing on and off rather than a CRT"s phosphor sustained dot which continually scans across the display, leaving some part of the display always lit), causing severe eye-strain for some people.LED-backlit monitors, because the LEDs switch on and off faster than a CCFL lamp.

Fixed bit depth (also called color depth). Many cheaper LCDs are only able to display 262144 (218) colors. 8-bit S-IPS panels can display 16 million (224) colors and have significantly better black level, but are expensive and have slower response time.

Input lag, because the LCD"s A/D converter waits for each frame to be completely been output before drawing it to the LCD panel. Many LCD monitors do post-processing before displaying the image in an attempt to compensate for poor color fidelity, which adds an additional lag. Further, a video scaler must be used when displaying non-native resolutions, which adds yet more time lag. Scaling and post processing are usually done in a single chip on modern monitors, but each function that chip performs adds some delay. Some displays have a video gaming mode which disables all or most processing to reduce perceivable input lag.

Loss of brightness and much slower response times in low temperature environments. In sub-zero environments, LCD screens may cease to function without the use of supplemental heating.

The production of LCD screens uses nitrogen trifluoride (NF3) as an etching fluid during the production of the thin-film components. NF3 is a potent greenhouse gas, and its relatively long half-life may make it a potentially harmful contributor to global warming. A report in Geophysical Research Letters suggested that its effects were theoretically much greater than better-known sources of greenhouse gasses like carbon dioxide. As NF3 was not in widespread use at the time, it was not made part of the Kyoto Protocols and has been deemed "the missing greenhouse gas".

Kawamoto, H. (2012). "The Inventors of TFT Active-Matrix LCD Receive the 2011 IEEE Nishizawa Medal". Journal of Display Technology. 8 (1): 3–4. Bibcode:2012JDisT...8....3K. doi:10.1109/JDT.2011.2177740. ISSN 1551-319X.

Brody, T. Peter; Asars, J. A.; Dixon, G. D. (November 1973). "A 6 × 6 inch 20 lines-per-inch liquid-crystal display panel". 20 (11): 995–1001. Bibcode:1973ITED...20..995B. doi:10.1109/T-ED.1973.17780. ISSN 0018-9383.

Explanation of CCFL backlighting details, "Design News — Features — How to Backlight an LCD" Archived January 2, 2014, at the Wayback Machine, Randy Frank, Retrieved January 2013.

Energy Efficiency Success Story: TV Energy Consumption Shrinks as Screen Size and Performance Grow, Finds New CTA Study; Consumer Technology Association; press release 12 July 2017; https://cta.tech/News/Press-Releases/2017/July/Energy-Efficiency-Success-Story-TV-Energy-Consump.aspx Archived November 4, 2017, at the Wayback Machine

LCD Television Power Draw Trends from 2003 to 2015; B. Urban and K. Roth; Fraunhofer USA Center for Sustainable Energy Systems; Final Report to the Consumer Technology Association; May 2017; http://www.cta.tech/cta/media/policyImages/policyPDFs/Fraunhofer-LCD-TV-Power-Draw-Trends-FINAL.pdf Archived August 1, 2017, at the Wayback Machine

New Cholesteric Colour Filters for Reflective LCDs; C. Doornkamp; R. T. Wegh; J. Lub; SID Symposium Digest of Technical Papers; Volume 32, Issue 1 June 2001; Pages 456–459; http://onlinelibrary.wiley.com/doi/10.1889/1.1831895/full

K. H. Lee; H. Y. Kim; K