compare led and lcd monitors factory

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In the world of digital signage, there are two prominent display technologies: LCD and LED. There’s also a considerable amount of misconception about these technologies and how they relate to each other or work together. The blame for much of this confusion can be attributed to the advent of LCD TVs with LED-backlighting technology, so let’s clear that difference up before we move on.

With any digital display, you must have a well working light source so that you can see the picture brightly. Until very recently, TVs have always been backlit—that is, illuminated from behind the display monitor. For a long period of time after television sets were invented, this was done by firing electrons through a “gun” to the screen (tube and projector TVs). In the early 2000s, LCD TVs were backlit by fluorescent bulbs. More recently, however, TV manufacturers began using LED technology as the light source for flat-screen LCD TVs, as this method provided more versatility and uniform picture lighting, therein lies some of the confusion.

As picture displays, there are many differences between LED display features and LCDs. Given advances in LED display technology—and drastically lower cost—both display types can be viable options for a variety of interior spaces. And of course, each has benefits, and each has limitations. To determine the best display for a digital signage project, it’s critical to understand exactly how each display type will perform and why one is better than the other in a given situation. It’s important to compare, not only cost, but also factors such as brightness, durability, size, resolution, vibrancy, and many more features that are on the market.

LED stands for light-emitting diode. By definition, LEDs provide their own light. Once reserved for large-scale, exterior digital displays, direct-view LED signage has emerged as a greatly improved, widely applicable medium, now suitable for virtually all display installations, both indoor or outdoor. In the digital signage industry, direct-view LED displays have now become the norm and work well together.

LCD stands for liquid crystal display. This type of display uses light-modulating properties of liquid crystals. As referenced above, liquid crystals don’t produce light directly; instead, they use a backlight to produce images on the screen. LCDs are used most often in interior applications, where users are in proximity to the screen. With this display technology, ambient light is usually limited and controlled.

Typically, LED displays have a higher up-front cost than LCDs; however, unlike LCDs, LED displays are rugged and durable, even in the most inhospitable environments. Additionally, they can be upgraded and retrofitted relatively easily. For total cost of ownership and longevity, the better option is the LED.

Brightness is typically measured in NITs. One NIT is equivalent to one candela per square meter. The brightness for LED displays ranges from hundreds to thousands of NITs. LCDs have a much lower brightness range feature. LED displays are able to compete in well-lit areas, both inside and outside. In contrast, competing light will severely impact an LCD; many times, this renders the picture unviewable.

While LED and LCD displays can both render most types of content, there are some drawbacks to LCDs. They can sometimes hold the “memory” of an image, and leave behind a residual imprint referred to as “image persistence.” It’s caused when a still image remains on the screen for too long. The colors become “stuck” in place. When the display tries to shift to another color, the crystals don’t want to budge. The result is a color that is slightly skewed from the intended one. LED displays do not encounter this issue.

Video walls are one of the most popular ways to use digital displays in interior spaces. From entertainment venues to other various retail spaces on the market, video walls have wide appeal. This makes the setup more complex than single screens, so it’s essential to have the right screens. LEDs are typically the preferred display for video walls. They are seamless, tiling together with no bezels. In a well-installed application, video walls have excellent uniformity and the widest viewing angles. LCDs can be tiled, but their bezels cause gaps and visual barriers. While there are LCDs with narrow bezels, small seams are still visible, unfortunately.

An LED display can be any size. There are no inherent limitations. They can also be curved, concave, or convex. They can even wrap completely around a pillar for a 360-degree effect. LCDs are typically only available in the standard sizing set by the manufacturer.

SNA Displays is a global manufacturing leader in LED video displays. We offer fully customizable LED products, thereby providing you with the most impact on your messaging. To learn more about how LED signage can power your digital display project, view our portfolio.

One of the most common questions we’re asked when assisting businesses establish their digital signage systems is whether an LED or an LCD display is best for their business. The answer is always contextual to the clients’ needs. It starts by clarifying what the difference between the two actually is.

When we’re talking aboutconsumer products such as computer monitors and televisions the first thing to know is that an LED screenis an LCD screen, but an LCD screen is not always an LED screen. An LED monitor or television is just a specific type of LCD screen, which uses a liquid crystal display (LCD) panel to control where light is displayed on your screen.

For the display to be considered an LED screen, it means it is utilising ‘Light Emitting Diodes’ to generate the light behind the liquid crystals to form an image. A non-LED LCD screen has backlights (called fluorescent lamps) behind the screen that emit white light which cannot pass through the liquid crystals until an electric current is applied to the liquid crystals which then straighten out and allow light to pass through.

This is where it can get easy to divert away from giving clear advice on whether as LED or LCD display is best for your business, because consumer displays differ from commercial displays. We are not trying to give the reader direction on which monitor is best for their gaming set-up, but which screen type is ideal for communicating your business’ messages.

Commercial LED displays are typically referred to as Direct View LED. This is because they use LEDs as the individual pixels that make up the image itself. Using a surface array of LEDs removes any need for a liquid crystal display panel, which carries noticeable benefits for particular uses.

While LCD flat panels are available in resolutions of 1080P and 4K UHD, Direct View LED displays are measured by pixel pitch. Pixel pitch is the distance from the centre of one pixel cluster to the centre of the next pixel cluster in an LED screen. The smaller the pitch, the closer viewers can get to the display before they see the pixels themselves. Outdoor configurations may have a pitch of 10mm to 40mm, as they are viewed at longer distances.

For use indoors, where viewers would be closer to the display, a pitch of 10mm or less would be required, some have even sub-1mm pixel pitch. When considering Direct View LED displays, it is important to know the minimum viewing distance required. Multiplying the pixel pitch by 1,000 gives you a good rule of thumb for the minimum viewing distance.

Direct view LED displays can either use discrete oval LEDs which are basically one single self-contained diode, or Surface Mounted Device (SMD) LEDs. SMD LEDs contain 3 individual light-emitting diodes bunched together. Either way, it’s the light-emitting diodes that create the images you see on screen. This is explained in the image below, courtesy of LG Electronics

Commercial LCD screens are more closely related to their consumer counterparts like TVs but there are still differences to be aware of. It is not advised to simply purchase an LCD TV from your local electronics retailer and install it in a public setting and expect it to function as desired.

Both have been designed to be used differently. Commercial display manufacturers understand that their displays are going to be exposed to far different conditions than a living room television will be. The componentry in a commercial display is optimised to allow for the display to be on 24 hours a day, all year around. They take into account diverse environments such as hot kitchens, high foot traffic, and bad weather,ensuring the product won’t fail in such exposures. The addition of more durable and resistant technology means commercial LCD displays will typically be priced higher than their consumer cousins.

Brightness: When deployed in areas with strong ambient lighting, even the best LCDs can appear washed out and difficult to view, especially when from an angle. Direct view LEDs for outdoor applications can reach 9,000 nits, making them a brighter and better choice for most outdoor applications.

Contrast: Direct View LEDs can turn off pixels that aren’t being used which allows for a higher contrast and therefore a richer image in varied lighting conditions.

Size and shape: Direct view LED-based walls can be flat, curved, wrapped around pillars and more. With no size limit or set aspect ratio they can be used more flexibly than LCDs. Plus, panels have no bezels which means you can piece together Direct view LEDs to create large and uniquely shaped displays with no visible interruptions between units.

Lifespan and servicing: Most direct view LEDs are rated to last 10 years, compared to a typical 5 years for LCDs. Further, they can be easily replaced on-site, reducing maintenance costs.

Tougher: If you’re using an LCD for any outdoor application or one where the unit has to be protected from extreme temperatures or humidity, you’re going to need to include an enclosure and have an understanding of how to properly seal and vent the unit. Outdoor Direct view LEDs, on the other hand, are purpose-built to withstand harsh environments.

Price: The higher upfront cost of Direct LEDs could be the biggest sticking point when it comes to pitching a video wall. While prices have been steadily dropping, Direct view LEDs are still more expensive than LCD alternatives. However, make sure you consider the lifetime cost of the solution and other benefits mentioned above before you discount direct view LEDs.

Functionality: LCD screens can offer a wider range of functionality when it comes to set-up, display settings, and day-to-day control. There is also the addition of touch screen options for LCD displays which are a fairly sought-after feature these days.

Resolution: Whilst the fine pixel pitches available in direct view LEDs today make for impressively resolute images, LCD screens still boast are more uninterrupted image when viewed up close, particularly with the modern 4k displays. This makes them a better option for smaller retail stores, quick service restaurants or office meeting rooms.

Screen brightness is impressive in a variety of locations and from any viewing angle, resolution is extremely clear from a viewing distance of 5ft and above.

As earlier stated, intended use for the display will determine which format you invest in. In outdoor environments or areas with high ambient lighting, brightness is the key concern. For indoor environments, the key concern is image quality and contrast. It’s also imperative to consider the usage environment and what the screen may be exposed to with regards to weather, temperature, humidity, direct contact and other factors. If you have a good understanding of your requirements for content, application, perception and budget then your first move should be to contact a supplier, like Black Lab Design, and we will be able to assist you with designing, building and installing the perfect digital display solution for your business.

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Sometimes the distance between good and great seems like hardly any distance at all — such as liquid crystal displays (LCDs) versus light-emitting diode (LED) displays. Both are suitable for retail window signage, campus wayfinding or large video walls. But LCD and LED have significant differences, and their specific benefits are worth understanding so you can choose the best displays for your business needs.

LCD is the broader category; LED is a subset. In other words, all LED displays are LCDs, but not all LCDs are LED. LCDs are made up of hundreds of thousands — even millions — of individual pixels built from liquid crystals. Each pixel is capable of displaying a color when it receives an electrical charge. Like a mosaic, the displayed image is built from tiny elements that combine to form the overall picture.

But the liquid crystals don’t produce any light of their own, so in order for the image to be illuminated, the liquid crystals need to be backlit. LCDs are illuminated by cold cathode fluorescent lamps (CCFLs), evenly positioned behind the pixels so that, at least in theory, every part of the screen is evenly lit and at consistent brightness.

Up to a point, LED displays are much the same. An LED screen also uses liquid crystals to generate color — or pure black (no color), by not charging a specific pixel. So LED displays have the same need for backlighting. But rather than CCFL, tiny individual lights (light-emitting diodes) illuminate the liquid crystals.

The individual LEDs can be arranged one of two ways: full-array or edge-lit. For edge lighting, the LEDs are arranged around the edges of the back of the screen. Full-array, on the other hand, calls for many LEDs to be lined up evenly across the back of the screen, where they can be arranged into zones (usually called “dimming zones” or “local dimming”).

Is LED just plain better than LCD? Well, for a while, LCD screens represented the cutting edge of digital signage. But now, about the only meaningful advantage of LCD over LED is price point. As LCD is becoming outdated, it tends to be less of an upfront investment. In every other respect, though, LED displays have the advantage.

No matter the arrangement of the backlighting, LED has a greater nit value than LCD, which means it’s brighter (“nit” comes from the Latin “nitere,” meaning “to shine”). The average nit value for LCDs is between 500 and 700 nits, while LEDs are typically between 1,200 and 2,400 nits. With greater brightness comes greater contrast, and all-day visibility on outdoor displays.

Despite the energy output, higher brightness doesn’t necessarily mean a shorter lifespan. In fact, LED displays have an average lifespan of 10 years — double the average five-year lifespan of LCDs. Factoring longevity into the cost of your signage, LED’s longer lifespan can make it cheaper than LCD in the long run.

Even with edge lighting, LED produces more vividly lifelike images than CCFL-backlit LCDs — and with sleeker hardware, thanks to their minimalist design. And while LCD bezels have drastically reduced over time, they’re still greater than zero. LED has no bezels at all.

Full-array backlighting requires a little more depth to the screen, but with discrete dimming zones, LEDs can be illuminated far more precisely — which, in turn, means more accurate and engaging visuals.

LED isn’t the first technology to realize miniaturization is the way forward. Even as screens get bigger, the next big step is made of smaller parts: microLEDs.

Up to 40 times smaller than regular LEDs, microLEDs allow backlighting to be even more precisely targeted, with many times more diodes. This, in turn, delivers a more accurate picture, with greater contrast and highly focused areas of brightness. Samsung’s The Wall is a spectacular example of what microLED is capable of.

Whether you need your digital signage to entertain, inform or simply impress, understanding the differences between LCD and LED will allow you to make a better-informed decision.

With best-in-class picture quality and exceptional durability,Samsung LED displayscan help your business deliver content that engages, informs and entertains.Samsung’s trade-in program makes it easy for businesses to upgrade their video wall with LED technology. Once you’ve chosen your displays, learn how you can configure and tailor their real-time messaging using an integrated CMSin this free guide.

Differences between LCD and LEDare important to understand as they are both very co-related and it is possible to get confused between one and the other. LCD is the abbreviation for liquid crystal display while LED is the abbreviation for light-emitting diodes. They differ from one another in the fact that LCDs usually use fluorescent lights while lights use light-emitting diodes.

The structure of both LCD and LED is quite the same as the technology behind these screens is the same. The differing television types have two different layers of polarized glass and through this glass, the liquid crystals get blocked as well as pass the light. Thus, this is one of the key differences and similarities between LCD and LED.

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LCD and LED are popular technologies used to display texts and images. Both LCD and LED are extensively used in display screens in various electronic devices such TVs, computers, laptops, smartphones, etc. There are many differences between LCD and LED displays, where one of the major difference is that LCD uses the liquid crystal and cold cathode fluorescent lamp for the formation of image on the screen, whereas the LED uses a PN junction diode which emits light when the current passes through it that is used as backlight in the display.

In this article, we will explain the various differences between LED and LCD. Also, we have added a brief description of LED and LCD for your reference.

LCD stands for Liquid Crystal Display. The LCD is a combination of solid state and liquid state of matter which is used to produce display effect. It uses the liquid crystals for the formation of a visible image. The LCDs are super-thin technology displays which are commonly used in screens of TVs, laptop, smartphones and computer, etc. The LCD consumes less electricity and includes millions of colors.

LED stands for Light Emitting Diode. The LED is a specially designed PN junction diode which is capable for emitting light when electric current passes through it. This emitted light is then used in display technologies as backlight.

The LED is constructed by joining a P-type semiconductor with an N-type semiconductor. Basically, the LED is a heavily doped PN junction diode. When an electric current is passed through the LED, the recombination of holes and electrons takes place at the PN junction and light is emitted in this process.

The color of emitted light by an LED depends upon the semiconductor material used and the amount of doping. The LEDs have very long life and requires less maintenance. However, they are costlier than LCD. In the display technology the LED is used as the backlight and such a display is known as LED display.

Both LED and LCD are types of display technologies used for showing the texts and images. However, there are several differences between LCD and LED displays, which are highlighted in the following table −Basis of DifferenceLCDLED DisplayFull formLCD stands for Liquid Crystal Display.LED stands for Light Emitting Diode.

DefinitionThe ‘LCD’ is a combination of solid and liquid states of matter which is used to display the information in the form of texts and images.The ‘LED’ is a PN junction diode which emits visible light when the electric current flows through it. This light is then used as the backlight for displaying the information in the form of texts and images.

Response timeLCD has high response time, hence their switching speed is less.The response time of LED is less than LCD, thus the LED is better than LCD in terms of response time.

MaterialThe liquid crystals and glass electrodes are used for manufacturing of LCD.In case of LED, the gallium arsenide phosphide is used for manufacturing

The most significant difference between LCD and LED display is that the Liquid Crystal Display uses Cold Cathode Fluorescent Lamp to provide backlight while the LED Display uses Light Emitting Diode to provide the backlight for displaying the information.

The difference between LED and LCD is that LED, which stands for Light Emitting Diode, uses diodes for the placement of light and provides a distinct and sharp picture, whereas LCD, which stands for Liquid Crystal Display, uses fluorescent lights for the placement of light.

LED can be categorized as a subset of LCD, which is in great demand nowadays for the manufacturing of electronic devices as it has a very long life, provides the best picture quality, and also has a high definition output.

LCD, which was in great use a few years back, has become outdated due to the invention of LED. LCD is basically a submissive device that uses fluorescent tubes to lighten the image.

Parameters of ComparisonLEDLCDPicture QualityLED provides a much better picture quality due to the presence of RGB colour wheels.LCD is not able to provide as good picture quality as LED.

Environment FriendlyLED does not pose any harm to the environment as no mercury is used for the production of LED.LCD is a great threat to nature as mercury is used in its manufacturing.

Light Emitting Diode (LED) is an indication of how technology has reached new heights in the modern world. It has displaced the fluorescent tubing with backlight technology which helps it deliver a precise and clear image.

LED is basically used in the manufacturing of computer monitors, Bulbs and Televisions. LED televisions are in great demand now due to the extraordinary features and benefits which they provide.

It works on the principle of Electroluminescence. Light in a LED is produced when particles carrying current, also known as electrons and holes, come collectively within the material of the semiconductor.

Liquid Crystal Display (LCD) is made of a material called Liquid Crystal which is a type of substance that is neither liquid nor solid but comes somewhere in the middle of these two.

The major elements that are necessary for displaying an image on the LCD screen are Light, colour and the method to regulate the light and colours on the screen.

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If you spend long durations in front of a screen, it"s essential to make the best choice when buying one. Getting a high-quality screen will go a long way in enhancing your gaming, working, and watching experience. Additionally, it will help relieve eye strain even with prolonged use of the screen.

There are tons of screens available in the market today. However, LED screens and LCD screens are by far the most popular. But what is the difference between LCD vs. LED screens?

LED screens feature light-emitting diodes lights installed in the screens. The screens can be volatile or static, with some of them only responding to touch. Other LED screens will display pictures even when turned off.

Some of the benefits of LED monitors nclude enhanced picture quality and local dimming. Local dimming helps to dim down certain areas of your TV"s backlight. This helps to make the screen appear darker and better in displaying blacks.

Local dimming helps a lot in enhancing your screen"s contrast ratios. The higher the levels of the contrast ratios, the more enhanced difference between blacks and whites.

LED backlighting is an essential feature in offering realistic pictures. The features enhance the popularity of the LED screens (check out the Viewsonic TD2230 Review).

The main difference between LCD and LED displays is that the LCD screens come with a layer of liquid crystals. The liquid crystal layer is put between two plates. Images are made when light passes through parts of the liquid crystal.

The liquid crystal part either block or enhance an area which helps to create the image. Most LCD panel types have LED lights that help bring out the image.

Older LCD screens and use Cold Cathode Fluorescent Lamps (CCFLs) to light the screen. The CCFLs use electron discharge and fluorescence to light the screen.

LEDs like the one from our "Dell Computer Ultrasharp 24.0-Inch Screen LED Monitor Review" are taking over the market while LCD screens with CCFLs are fading away. LCD screens are used in watches, some notebook computers, and calculators.

OLED stands for organic light-emitting diodes, and it uses an organic compound to create outstanding high-contrast images - OLED screens are more environmentally friendly. They are also thinner than a standard LED screen as they don"t require a thick LED backlighting behind the screen to illuminate it.

On the other hand, you have QLED screens that are created and patented by Samsung. The QLED screens offer more crisp images as they create light with a shorter wavelength.

The Q in QLED stands for Quantum Dot (see Quantum Dot and IPS). The screens have an additional layer between the LCD screen and the backlight of the monitor. The layer allows light to pass through easily and produce better colors than an ordinary LED screen.

Slimmer design:LED screens to come in a slimmer design than their LCD counterparts. This gives them a sleek and elegant look, and it also takes less space.

Cheaper to run:If you are trying to cut down on energy cost, an LED screen will be a better option between the two as it is more energy-efficient. However, LED screens are more expensive than their LCD counterparts. As such, you can expect to pay more initially.

Better color:If you want to enjoy more realistic images, LED will be the better option. The screen offers you better color than other screens in the market. Additionally, it offers a better contrast, which is the range between the darkest blacks and brightest whites on the screen. The enhanced contrast ensures you end up with the most realistic images.

However, if you are working on a tight budget, you may consider an LCD screen. Besides the cost, LED performs better than the LCD screen in all the other aspects.

If you want to find out the type of screen you already have, you can check out the screen"s model number. The model number can tell you if the screen is an LED or LCD.

When it comes to picture quality, LED TVs look better than older LCD TVs. Manufacturers also make a big deal out of LED backlighting because sets that use the technology are usually more energy-efficient than CCFL LCD TVs. Therefore, the money you save on your power bill could eventually offset the extra cost of an LED TV.

You"ll be happy with the picture regardless of what kind of display you buy. Still, LED TV have a few practical advantages that make them a better purchase than the older LCD TVs.

With an LED light, the pixels are either edge-lit or backlit. As such, the lights behind the screen are designed to light up all the pixels in your monitor at once.

An edge-lit monitor may not be the best for picture quality as the lights are only at the edges of the screen. However, screens with edge lighting have become very popular nowadays as the best budget choice. The edge lights allow for the creation of thin monitors at a low price which enhances their affordability.

If you are working in an office, you may have to spend eight or more hours in front of your monitor. If you keep looking away from the screen due to eye fatigue and strain, it will affect your productivity. The eye strain can also cause headaches to some people.

LED monitors feature better dimming options without sacrificing picture clarity. They also come with features that reduce eye strain, making them the ideal option if you are spending long hours in front of the screen.

Alternatively, you can go for LCD screens that offer arefresh rate of 120Hz or more. The LCD screens also offer a wider variety of viewing angles, which can offer better comfort.

Apart from watching movies and working, you can also get a monitor for gaming. Whether you are a gaming enthusiast or gaming for fun, you want a monitor to offer you the best picture clarity.

A perfect monitor for gaming should offer you a high refresh rate, low lag, and low response times. A screen response time refers to how fast the pixels change from one image to the next. Lag refers to the delay you experience between pressing a button and seeing the corresponding action on your screen.

You can trust an LED monitor to offer you the best resolution for the most precise and crisp images. This enables you to enjoy clear and lifelike images.

When choosing between LED and LCD monitors, there are several factors to consider. Besides the backlighting technology, you should also consider the panel type - see also what types of monitors are there. Various panels have their benefits compared to others.

LED monitors tend to be more expensive than LCD screens, thanks to LED technology being newer and featuring pricier components. Additionally, there is a newer form of LED called the OLED, which stands for Organic Light-Emitting Diodes. These OLED displays are extremely expensive, especially at high resolutions. LED technology, on the other hand, is extremely cheap and readily available.

Are you lost on the best choice between LCD and LED monitors? If you spend a lot of time in front of your monitor, you should ensure you end up with the best quality screen. This will ensure that you get high-quality images and also minimize eye strain.

In the battle between LCD and LED displays, LED comes out as the better option. It offers more crisp and clear images, and it also comes with a sleek and elegant design. However, it can be a little expensive. If you are working on a budget, LCD monitors can make a perfect choice.

LED technology has improved drastically in recent years improving picture quality while driving costs down. LED is a bigger investment up front but generally has a lifespan of about 100,000 hours. LCD is cheaper and generally more familiar. A LCD screen typically has a lifespan of about 50,000 hours.

Sort of. Older technologies like LCD technology and Plasma displays are becoming obsolete due to the intrinsic properties of LEDs like brightness, efficiency, maintainability, and sustainability.

LCD screens emit blue light and thus negatively affects not only vision but also overall health. Continual extended screen time mainly can impact your eyes in two major ways. When we look at a screen, our blink rate drops significantly, thus causing digital eye strain.

On home appliances, it is often necessary to display numbers and words to convey information, such as the current time displayed on the clock, the current temperature information on the kettle… etc. The two most commonly used displays are LED displays and LCD displays, this article will compare the advantages and disadvantages of LED displays and LCD displays, and provide a two-step quick way to quickly determine whether this product is an LCD or LED display.

LCD displays are the most common displays in daily life, from your mobile phone screen to home appliances, you can use LCD displays, but whether it is a color or black and white LCD display, in fact, the principle is the same. There are two main components within the LCD display:Backlight module

Black-and-white LCD displays are widely used in a variety of low-cost products, and the picture above is a black-and-white LCD display used in science calculator.

Advantages of monochrome LCD displays:Can show very compact information.Each display point of the calculator as shown below is very close to each other, and high-resolution text can be displayed

Power savingBlack and white LCD displays can operated without a lot of power compared to full-color LCD, when products that do not require full-color demand and need to control power consumption are often used.

CheapIf you just want to display a set of numbers or a few ICONs, the price of using a black-and-white LCD display is much cheaper than that of a full-color LCD, and it is often used in a large number of consumer products.

Disadvantages of monochrome LCD displays:Small viewing angle, not easy to use for outdoor application.Usually black and white liquid crystal display in the front view, the display is the clearest, but due to the LCD panel characteristics, as long as the side view, the clarity will be declined, outdoor will be affected by strong light, the viewing angle is not large, the clarity is not enough, LED display due to the word luminescence characteristics, there is no viewing angle problem.

Can only be used in monochromeIf you need multi-color applications, you can only upgrade to a full-color LCD display that is many times more expensive, and the LED display can simply add different colors to the LED display without significantly increasing the cost

The structure and basic introduction of the display in this article this article, compared with LCD displays, self-illumination characteristics, so that LED displays in the outdoor visibility is high, high brightness, but also no viewing angle problem. LED displays are the same as black and white LCD liquid crystals, and the display information must be designed in advance and cannot be arbitrarily transformed. The price of LED displays is between full-color LCDs and monochrome LCDs, and if properly designed, they can save the cost of achieving display performance.

This article briefly introduces the basic principles and advantages and disadvantages of two common LCD displays, and provides two steps to quickly determine whether the display in hand is an LED display, and product designers can follow these two steps to understand which display the product is used when observing the product.

LCDs can be tiled, but their bezels cause gaps and visual barriers. While there are LCDs with narrow bezels, small seams are still visible. Thus it is not an ideal choice given such a condition.

An LED display can be any size. There are various creative LED displays including ball LED display, curved LED display, flexible LED display, foldable LED display and so on to meet the requirements for creative display, but LCDs are typically only available in the standard sizing set by the manufacture.

The possible higher initial price point: as the more complex production process, more durable quality and is released later than LCD panels, the initial price point of LEDs can be higher. But there is one thing that deserves to be noticed, the lifespan is longer and the future maintenance fee can be lower with high adaptability to different application scenarios. So in the long term, choosing a LED display may save you more money.

LCD stands for liquid crystal display. As what has been mentioned above, LCD doesn’t produce light directly, it has a backlight to help to produce images. LCD displays are usually used in the indoor environment and the ambient light is often limited and controlled.

Due to LCD has been in widespread use since the early ’70s where it first appeared in digital watches, the cost has been reduced so the price can be lower.

LCD monitors tend to have better viewing angles and anti-glare than edge-lit LEDs as if you like to kick back in your chairs or view the screen from different angles, because the edge-lit LED may lose visibility as you move away from the center viewing angle (please notice the full-array LED monitors don’t have such issue so it is the best choice for gaming).

1.Thicker and heavier structurebecause of the different backlight. There are two methods of LED backlight: direct and edge. The main advantage of edge lighting is that it can be used to make LED screens incredibly thin cause the LEDs are at the side and not behind the screen.

2.Many monitors can not support 4K. Nowadays, 4K videos are one of a trend, however, many LCD displays can not load such video sources so there are more limitations on the content.

3.More energy consumption. As compared with LED display of the same size, LCD may consume 20% to 50% electricity more than that of LED display screens.

4.Lower contrast results in a less clear image. As what we have discussed above, LED display has special lighting methods that can increase the contrast to display pictures more clearly.

This article introduces the differences between LED and LCD, and the advantages and disadvantages of both.When you try to make the best choice for your project, consider these different features carefully.

Generally speaking, an LED display holds advantages due to many functions it has, such as longer working life, lower consumption, easier maintenance, better display performance and so on.

These qualities contribute to the higher initial price point, while in the long run, the investment may be more cost-effective. But if you are looking for something cheaper just without many requirements, that may have you considering the LCD.

In market, LCD means passive matrix LCDs which increase TN (Twisted Nematic), STN (Super Twisted Nematic), or FSTN (Film Compensated STN) LCD Displays. It is a kind of earliest and lowest cost display technology.

LCD screens are still found in the market of low cost watches, calculators, clocks, utility meters etc. because of its advantages of low cost, fast response time (speed), wide temperature range,  low power consumption, sunlight readable with transflective or reflective polarizers etc.  Most of them are monochrome LCD display and belong to passive-matrix LCDs.

TFT LCDs have capacitors and transistors. These are the two elements that play a key part in ensuring that the TFT display monitor functions by using a very small amount of energy without running out of operation.

Normally, we say TFT LCD panels or TFT screens, we mean they are TN (Twisted Nematic) Type TFT displays or TN panels, or TN screen technology. TFT is active-matrix LCDs, it is a kind of LCD technologies.

TFT has wider viewing angles, better contrast ratio than TN displays. TFT display technologies have been widely used for computer monitors, laptops, medical monitors, industrial monitors, ATM, point of sales etc.

Actually, IPS technology is a kind of TFT display with thin film transistors for individual pixels. But IPS displays have superior high contrast, wide viewing angle, color reproduction, image quality etc. IPS screens have been found in high-end applications, like Apple iPhones, iPads, Samsung mobile phones, more expensive LCD monitors etc.

Both TFT LCD displays and IPS LCD displays are active matrix displays, neither of them can produce color, there is a layer of RGB (red, green, blue) color filter in each LCD pixels to make LCD showing colors. If you use a magnifier to see your monitor, you will see RGB color. With switch on/off and different level of brightness RGB, we can get many colors.

Neither of them can’t release color themselves, they have relied on extra light source in order to display. LED backlights are usually be together with them in the display modules as the light sources. Besides, both TFT screens and IPS screens are transmissive, it will need more power or more expensive than passive matrix LCD screens to be seen under sunlight.  IPS screens transmittance is lower than TFT screens, more power is needed for IPS LCD display.

LCD stands for liquid crystal display. Liquid crystal is a kind of material that is neither liquid nor a solid, it comes in between these two states of matter. It has properties similar to that of the crystallised solid. The arrangement of molecules is in a fixed pattern however they are not fixed in shape or form.

They are usually found in smartphones, televisions, computer monitors and instrument panels and use a liquid crystal display panel to control where the light is displayed on your screen.

In LCD displays, light emitted from the backlight passes via a vertical polarisation filter after going through the liquid crystal element, this liquid crystal element twists this light wave. The vertically polarised light then turns to a horizontally polarised light. This horizontally polarised light passes via the horizontal polarisation filter allowing the passage of light. Hence the light is visible to us. The voltage we apply to the LCD is applied in such a way that the crystal mechanism of the light is removed and the light acquires a straight pattern. Due to this, the vertically polarised light will come out vertically only, however, the horizontally polarised light will be blocked and we won’t see any light in this case. This is how LCD works on the principle of blocking light.

3The fluorescent lights in an LCD TV are always placed behind the screen.The placements of the lights on an LED TV can differ which means light-emitting diodes can be placed either behind the screen or around its edges.

7LCD TVs are the most efficient type of TVs as can help you save as much as 30-70% more electricity than any other TV type.LED TVs consume very little energy so there is almost a 50% reduction in power consumption.

8LCD TVs use the cold cathode fluorescent lamps (CCFL) for backlighting. The picture quality of LCD TV is noticeable in scenes with high contrast, as the dark portions of the picture may appear too bright or washed out.LED TVs to use energy-efficient light-emitting diodes for backlighting and can provide a clearer, better picture, a thinner panel, and lesser heat dissipation than a customary LCD TV.

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Are LED monitors better than their LCD predecessors? How are the two technologies different in terms of functionality and performance? All these questions will be answered by the LED vs. LCD comparison presented in here.

The age of CRT (cathode ray tube) displays is over and LCD displays are already being replaced with LED screens. Technology is evolving at an exponential pace, pushing existing technologies into obsolescence. Just when we thought LCD screens will be the default choice for some time to come, they were supplanted by LED monitors, with their superior power efficiency and rich picture quality.

Considering that we spend a major amount of our lifetime in front of screens these days and eyes are not a replaceable commodity, a discerning consumer must opt for technology that is soft on the eyes, while providing a rich visual experience.

There seems to be a lot of confusion about differences between LED (Light Emitting Diode) and LCD (Liquid Crystal Display) monitors that needs clarification. Here’s a succinct analysis of the similarities and differences between the two models.

LED and LCD monitors are based on the same basic technology for image display, but differ in the kind of backlighting used. While LCD monitors use CCFL (cold cathode fluorescent lamps) for backlighting, the latter use light emitting diodes. This is the prime difference between the two display technologies. So LED monitors are in actuality, a type of LCD monitors or an improvement over them.

Unlike CRT monitors that generate their own light through cathode ray incidence on fluorescent materials, LCD displays have to rely on external lighting, as their display is created through manipulation of light, passing through polarized liquid crystals. The backlighting affects picture quality substantially and light shed by LEDs offers superior picture quality compared to LCDs.

This is because LEDs offer much more gradation in intensity and a larger light wavelength spectrum, providing a truer color quality. These types of monitors offer a better dynamic contrast ratio as well. So if you compare LED and LCD monitors from a gaming perspective and for use in intensive graphic applications, LED monitors are surely better choices. They provide vivid and more lifelike colors, with better gradation.

WLED: In this type of a monitor, the white LEDs are placed along the edge of screen, taking up less space overall, making the entire monitor slimmer, as well as cheaper. This is the most common type of LED screen available in the market.

RGB LED: These comparatively expensive variants have Red-Green-Blue LEDs placed throughout the panel, providing a richer range of colors in the process.

LED monitors cure one of the basic problems with LCD TVs, which is the inability to display true black colors. They can produce true black hues, by switching off LEDs entirely, increasing the blackness quotient of the screen, providing better contrast in the process.

LED monitors are a very recently introduced technology and they are preferred over LCD monitors because of the amazingly rich picture quality and viewing comfort. One more advantage that LED monitors have over LCD ones is the power consumption factor. LED monitors require a lot less power to operate than cold cathode fluorescent lamps. This property can be attributed to the inherently low energy required by an LED to function. Their power consumption is as much as 40% lesser than conventional LCD monitors.

LED monitors are also a lot softer on the eyes than LCD monitors, making them popular choices for people who work for long hours on their desktop computers. They are also a lot more eco-friendly, because mercury is not used in their production. LEDs last longer than cold cathode fluorescent lamps, with little reduction in their power output over time, which makes these monitors long-lasting.

To conclude this LCD vs. LED monitor comparison, let us compare the price ranges. One major factor that has been holding back LED technology from reaching the masses is the high price factor. The manufacturing of these devices is a bit costlier currently, compared to LCD displays which have raised their overall price. However, the cost gap is slowly lowering with time, as the demand for superior LED back-lit displays is on the rise all over the world. Even laptop computers and now smartphones come equipped with LED displays. While some of the best LCD monitors are available for a price around $100, the best LED monitors fall in the $150 to $200+ range.

Without doubt, LED is the better technology in terms of color richness, contrast and power consumption, which makes them worth the higher initial investment cost.

Some of the best LED monitors currently are the Dell UltraSharp U2312HM ($209.19), HP DreamColor LP2480zx ($2,719.99), HP 2310e ($499.00), the Samsung PX2370 ($311.93) or any monitor from the Samsung Syncmaster series. So if you are planning to upgrade your PC monitor or television set, LED is the way to go.