how to clean lcd screen tv made in china
What can be better after a long day’s work than lying down on a sofa watching TV? The television can become our best friend to relieve the pressure from work, relationships, and annoying relatives. LCD TV displays as added “member” of the family also need to be taken care of. For this reason, it is recommended to regularly clean the LCD screen as dust and dirt may affect its performance. What we are trying to say is that if the television is too dirty, you won’t be enjoying your favorite program. Trust me! you do not want that…
How can we clean the LCD Display? This is a concern for many people. Before we find out the answer, we need to know what to avoid. Here, please do not take out your t-shirt and wipe the screen from those beer stains, calm down, and hear me out. Many people would easily make mistakes in solving this problem even without consciousness. So let’s take a look at some wrong cleaning methods first: Wiping the LCD Screen directly with the palm or fingers
You should know that LCD should not be touched. When rubbing with the palm or fingers, it is difficult to use the right amount of force. If the force is too strong, it may cause permanent damage to the liquid crystal molecules, which translate into watching at a multicolor liquid stain on your TV instead of your favorite show. Wipe the LCD screen with a rough towel
Someone may directly clean the LCD display with the towel used to wipe the table at home. However, this is a wrong behavior as you can scratch the surface or get the screen even dirtier. Do not also use paper towels, toilet paper, or old T-shirts. These materials are abrasive and leave a lot of residues.
Now that we know what we should not do, let us move with the proper cleaning methods. First of all, let us briefly explain the LCD TV display structure. The LCD panel is mainly composed of two sodium-free glass sandwiched by a polarizer, a liquid crystal layer, and a color filter. Feeling confused? check here our article about LCD TVdisplays.
Moving on to the cleaning. Well, the first thing you should do is to turn off your television. I know it seems obvious to say, but many people do not follow this step. After that, you have two main choices: standard or creative method:
The first being the standard option, is the most formal and troublesome. Stand up and go out buying the special LCD cleaner and microfiber cloth to clean the LCD screen. If you are too lazy, you can order it online. Although this method is effective, it implies that you need to buy the cleaning agent and my friend, depending on how regularly you clean, it can be expensive. Once bought the products, apply the cleaning agent to the cloth and gently wipe the entire surface of the LCD TV display, removing any visible traces of dirt and dust.
If you thought it was too easy after hearing the standard option, or those nasty stains are still there, we have the solution for you. Here we share the “creative” method.
Prepare a liquid solution using equal amounts of vinegar and water. Vinegar is a natural and safe detergent and is much cheaper than the products on the market, specially designed for cleaning televisions.
Dampen the microfiber cloth in the vinegar and water solution and then wipe your TV screen softly. If necessary, apply gentle pressure and a circular motion to the spots where you notice stubborn stains. Keep in mind not to spray the vinegar solution directly on the TV screen, as you could damage it irreparably.
Following, use a second microfiber cloth to dry the TV screen. Pay attention not to allow the screen to air dry. Otherwise, annoying halos may remain and influence image quality.
Finally, wash the plastic frame of the TV. If the frame also requires a more intensive cleaning, use some paper towels after wetting it in the vinegar and water solution. Use paper towels to dry it completely.
To better enjoy your LCD TV display, you need to take good care of it. Our team at Aiwa is devoted to developing innovative solutions for visual entertainment with LCD TV, LCD monitors, and other electronic devices. Our product offers a longer life-span and longevity.
Screens can scratch easily, and even paper towels and tissues contain fibers that can do damage. “Your best bet is to use a soft, anti-static microfiber cloth—the kind used to clean eyeglasses and camera lenses—and wipe in a circular motion,” says John Walsh, who cleans more than 250 TVs a year in his role as a CR photographer. (Some TV manufacturers will include a cloth for this purpose.) “Gently wipe the screen with a dry cloth to remove dust and other debris, but don’t press too hard,” he says.
You may also want to wipe down the TV’s cabinet, and make sure dust isn’t clogging the vents that help dissipate heat. If the TV is on a stand and not tethered to the wall, Walsh suggests cleaning with one hand while supporting the TV with the other to prevent the set from tipping over. However, CR strongly recommends anchoring all stand-mounted TVs using anti-tipping straps designed for this purpose.
If there are hard-to-remove stains, you can dampen the cloth slightly with distilled water and gently clean the screen. Don’t spray water directly onto the screen; that could cause a shock or component failure if water seeps into the inner workings of the set.
For the most stubborn stains, you can try using a solution of very mild dish soap highly diluted with water, once again applied to the cloth and not to the TV itself. (As a guideline, Panasonic used to recommend a 100:1 ratio of water to soap.) LCD screens, in particular, are very sensitive to pressure and can scratch easily, so don’t press hard.
Television screens are supposed to be clean and free of dirt, dust, or any debris that may blur vision. This is why this component is one of the most vital parts of a Television. Nothing can be worse than straining your eyes to make sense of the pictures your set is projecting. If you do not clean your TV regularly, fingerprint smudges and dust will build up.
Cleaning your LED TV or any type of television for that matter is something you should do at least once every 2 or 3 weeks. In fact, I will suggest that you do it as often as you watch it any paying more attention to the screen when you do so. If you clean your TV set regularly, it will always look brand new, and you will enjoy bright and colorful pictures without said. Bearing that in mind, there are ways to go about a cleaning endeavor. Unfortunately, not everyone knows how to clean a set effectively. Many think that a piece of towel soaked in water will do. How wrong they are. Television screens are very sensitive, so a great deal of care is required to do the job effectively. In addition to that, being careful also protects the screen for damage. Secondly, you need to understand that TV sets are different. Although they all project sounds and images, they are built differently. So, therefore, the approach to cleaning should also be different as well.
The approach to cleaning an LED TV screen, for instance, requires extra care compared to the cleaning of a Tube TV. They both have screens, but the former is more sensitive than the latter due to the sensitivity of LED screens build material. Bearing all this in mind, how do you safely clean an LED TV screen without damaging it in the process. In this article, we will show you safe and intelligent ways to go about it using available and affordable materials. You will also learn a few tips about how to do it safely too.
Before you proceed, you need to bear two things in mind when cleaning LED TV screens. Firstly, you want to do it in such a way and with the right materials that ensure the screen is clean and devoid of dust or stains of any kind. You want your screen to be as bright and clear as possible. Secondly, you want to avoid damaging the screen or reducing its projection quality. This is why it is necessary to use only the right cleaning materials and approach at all times. Now, here are some helpful tips for adopting when cleaning an LED television screen. [/fusion_text]
Every electronic equipment comes with an owner’s manual. This manual provides the user with sufficient information about how to use and maintain the gadget. The same thing goes for LED sets. They come with an owner’s manual too. Before you clean the set, you may want to read the manual first.
In fact, it is advisable that you read it first immediately you buy and install it in your home. By reading the manual, you gain more understanding regarding how to care for the television all through it a lifespan in your home, office, or wherever you install it. For the purpose of cleaning, pay attention to the section that provides information about how to do it effectively.
Reading manuals is important because different television manufacturers provide different approaches to cleaning their sets. What works for an LG LED TV may not work for a Samsung set. That is why it is so important to only follow the recommendation of a one cap fits all approach to cleaning your TV screen. If you read the manual when you bought it, but you have forgotten the cleaning details, consult it once again to refresh your memory.
Before you start the cleaning properly, turn off the television set. Do not stop at that. You also need to unplug it from the power source. Once you have done that, do not start cleaning the screen immediately. Give it time to cool down. The cleaning process may take between 2-5 minutes or even more depend on your LED TV model or how long it was on.
Turning the TV off will cut off power leading to the cooling down of the screen. You don’t want to be cleaning a hot or warm screen, do you? You want to make sure that the screen is as cool as possible and non-reactive to whichever cleaning agent you use.
Another advice to take in that is so important is that you should never use paper towels to clean the screen. There are reasons to avoid paper towels. Paper towels, especially when soaked in water, leave smudges and stains on the screen. No matter how long or how hard you try to wipe the marks off, they yet remain. Paper towels are bad for your TV screen. It’s as simple as that.
To enjoy an ultimate cleaning experience, you should consider using microfiber cleaning pieces. Some people recommend cotton whole because they are more breathable. However, microfiber cloths are more durable. In addition, they do not stick to your screen. Older LED, or LCD screens can’t handle traditional cleaning methods or materials. With microfiber, you can eliminate stains, remove smudges, and fingerprints with ease.
To use microfiber, simply wipe the surface of the screen in a circular motion. Cover as much part of the screen as you possibly can. Work your way around the edges as well. More importantly, when cleaning, avoid touching the screen with your bare hands as doing so will leave fingerprint marks on it.
The use of chemicals should be avoided at all costs. Chemicals damage screens more than you know. That a chemical agent worked on a particular surface is not an indication that it will work well for your TV screen. LED screens are very sensitive and fragile, so you ought to make sure that you keep chemicals as far away as possible. Another material you should never use is a detergent solution (water and detergent).
Soap, scouring powder, was window cleaners, and any other general industrial cleaner should be avoided. Abrasive pads and towels made from paper should not be used either. Using any of these materials will lead to screen scratches, anti-glare coating damage, or permanent screen damage. The sad part is that the damage may not be noticeable at first, but over time, the same will become permanent.
If you must wet your cleaning material with water, do so in little splashes. Avoid spraying the screen directly with water. When wiping the screen, do so gently because it can break if pressed too hard as screens are very fragile.
You will notice that your microfiber cloth cannot reach the edges of the screen like the other areas. If you don’t clean the edges too, dust and first will accumulate in those parts, and after a time removing the stains will love difficult. Furthermore, failure to clean screen edges will lead to an uneven appearance, with poor picture quality being the end result. To clean edges and corners effectively, use cotton swabs to greater effect. For better results, dab the cotton swabs in water. Pick off the dirt carefully by dragging them out using the swabs. Do this for the four corners of the screen.
As for the edges, run the swabs up and down systematically but avoid running them all the way down to the edges as this may drive dirt further on that may be difficult to remove. For better results, use as many cotton swabs as you can.
Unlike an LED TV screen, cleaning a Tube TV is much easier. Tube TV screens are more rugged and can withstand pressure, but doing so carefully is also important. You can use a microfiber cleaning cloth doused in a little water. Never spray the screen directly as this may damage it. Rather, work your way with the microfiber cloth. Apply the same circular cleaning motion like you would do an LED TV screen. Cotton swabs will also come in handy to pick off the dirt from the screen corners.
Dish soap can also be used on LED and LCD screens, albeit with care. Before you use a dish soap solution, first wipe the screen with a dry cloth to remove dust. Now, dip your cleaning cloth in the dish soap solution. Squeeze off the liquid then gently wipe the screen. Make sure you cover every surface area. Once you are done, don’t waste time to clean; otherwise, the solution will dry up on the screen leading to a blurry vision. Rinse the cloth with water to remove soapy residue then take the dry cloth you used to wipe off the dust once again to dry the screen.
Yes, they do. There are actually cleaners specially made for cleaning tv screens. Screen cleaners contain distilled water, isopropyl, and alcohol solutions. If you must use an electronic screen cleaner, make sure you shake to content before use. Also, apply on a limited portion of your cleaning cloth.
Cleaning your TV remote control is part of a general TV cleaning process. So to clean your remote control, follow these tips. Pop-out the batteries:Remove the batteries from the remote. Doing so will create enough room when cleaning the interior casing.
Tap the remote lightly on a hard surface:Remote controls gather a lot of dust and debris along the way. To remove them, tap the remote control on a hard surface like a table. Do this gently and several times to dislodge debris stuck in crevices.
Use a mild disinfectant:Apply a cleaning disinfectant on a piece of cloth and clean the body thoroughly. The use of disinfectant is necessary because our hands carry germs, and we transfer these germs to the remote control anytime we operate it. Clean the whole body thoroughly.
Maintain a weekly timetable:To ensure that your TV set is always clean, make sure you clean it weekly. Add it as part of your to-do list when cleaning your home. If your furniture deserves regular cleaning, so does your television set. Doing regular cleaning will atop dust, debris and fingerprints from smearing the screen. It is also much easier to clean when there is little dust on the surface. Keeping a microfiber cloth close by is also advised so that you can quickly wipe off dust when necessary.
Never spray your LED TVset directly with any substance:Avoid spraying your screen directly with any substance even if it is an electronic cleaning gel. Excessive spraying can damage the cabinet and the structural make-up of the screen. If you must use any cleaning solution, apply it on the napkin or microfiber cloth you are using and gently wipe the screen with it.
Use a Vacuum:To draw out dust and debris hidden in the crevices of the set, use a low suction vacuum. You may also use the vacuum cleaner’s soft brush to remove dust from the cable, vents, and ports of the TV
Adhere strictly to the User Manual:Your LED TV set comes with a user manual for a reason. The manual is meant to guide your use of the device. When cleaning your set, make sure you follow the directives of the manufacturer. Doing it any other way may damage the TV beyond repair.
Avoid strong cleaning agents:Just like we pointed out in the article, avoid strong cleaning agent as not all of them are good for your television’s screen. The screen is very sensitive, so bear this in mind. Some examples of cleaning agents to avoid include unmixed alcohol, ammonia, acetone, and Wax.
Maintaining your LED TV set requires a lot of patience and attention to detail. If you want the screen to remain in good shape, you need to clean it regularly and with proper cleaning materials. If you follow the tips in this article, your screen will remain bright and sharp for as long as you use the set.
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Now that the NFL football season has kicked off, you probably want to see all the on-field action as clearly as you can. But TVs, like other electronic items, can attract dust and get marred by blemishes, such as children’s fingerprints.
While you’re at it, also pay attention to the remote controlsfor your TVs, cable boxes, and streaming players. These get handled much more than TVs and harbor pathogens along with plain old grime. We have advice for cleaning both TVs and remotes below.
When it comes to TVs, the current market is dominated by superbright, big-screen LCD (LED) and OLED TVs. However, many of us still have older sets, including plasma TVs, which companies stopped manufacturing in 2014, and even CRTVs—also called tube TVs—which started disappearing around 2008.
If you’re cleaning an older tube TV, you have a bit more flexibility because its screen is made of glass and can be cleaned like other glass items in your household. In this—and only this—instance, it’s okay to use a window cleaner, such as Windex.
More modern TVs are far more sensitive and need to be cleaned carefully to keep the screens from getting scratched or damaged. Plasma TVs also have glass screens, but manufacturers often applied a sensitive anti-glare coating, so they should be treated like an LCD or OLED TV rather than a CRTV set.
In all cases, turn off the TV—or even unplug it—prior to cleaning, says Claudio Ciacci, who heads Consumer Reports’ TV testing program. “In addition to it being safer for the set, it’s usually easier to see dirt or finger smudges when the screen is dark,” he says. “It also gives the TV a chance to cool down.”
If you have any doubts about which type of TV you have, you can always consult the owner’s manual. Most manuals and manufacturer websites have instructions for the best way to clean their sets.
Screens can scratch easily, and even paper towels and tissues contain fibers that can do damage. “Your best bet is to use a soft, anti-static microfiber cloth—the kind used to clean eyeglasses and camera lenses—and wipe in a circular motion,” says John Walsh, who cleans more than 250 TVs a year in his role as a CR photographer. (Some TV manufacturers will include a cloth for this purpose.) “Gently wipe the screen with a dry cloth to remove dust and other debris, but don’t press too hard,” he says.
You may also want to wipe down the TV’s cabinet, and make sure dust isn’t clogging the vents that help dissipate heat. If the TV is on a stand and not tethered to the wall, Walsh suggests cleaning with one hand while supporting the TV with the other to prevent the set from tipping over. However, CR strongly recommends anchoring all stand-mounted TVs using anti-tipping straps designed for this purpose.
If there are hard-to-remove stains, you can dampen the cloth slightly with distilled water and gently clean the screen. Don’t spray water directly onto the screen; that could cause a shock or component failure if water seeps into the inner workings of the set.
For the most stubborn stains, you can try using a solution of very mild dish soap highly diluted with water, once again applied to the cloth and not to the TV itself. (As a guideline, Panasonic used to recommend a 100:1 ratio of water to soap.) LCD screens, in particular, are very sensitive to pressure and can scratch easily, so don’t press hard.
Alcohol and ammonia, found in window cleaners such as Windex, can wreak havoc on your expensive flat-screen TV, so don’t use cleaners that have them. If you decide to use a packaged “screen cleaner”—which you don’t really need (see below)—choose one that doesn’t contain alcohol, ammonia, or acetone. Also, don’t use any cleaners that contain an abrasive that can scratch the screen.
Some of these kits cost $15 to $20 for just a microfiber cloth and a small bottle of cleaning solution, which is probably mostly water. Instead, buy the cloth at an office supply store or online and use distilled water, or a solution of your own making per our advice above. If you opt for a kit, make sure it doesn’t contain harmful chemicals.
Remote controls can get dusty and also harbor a fair number of germs. Think of how many fingers have pressed the buttons on that remote recently and whether all of them were squeaky clean. Then there’s the issue of coughs and sneezes.
Here’s some basic advice about cleaning your remote controls. We also have more details on how to sanitize your remote control if you’re really worried about spreading viruses.
Remove the batteries before you start cleaning. Then start by turning the remote upside down so that the buttons are facing downward, and tap the remote against your palm to dislodge any debris that might have fallen between the buttons. Wipe down the entire remote with a soft cloth that has been sprayed with a tiny bit of alcohol diluted with water. The cloth should be damp, not wet.
To clean in and around the buttons, you can use a cotton swab dampened with the alcohol/water mix. More stubborn debris lodged deeper into the keys can be dislodged with a dry toothbrush or wooden toothpick.
While we’re on the subject of TVs, if you’re thinking of shopping for a new set, you can check CR’s TV ratings, which are available to members. We buy every set we rate at retail, just like a consumer would, then evaluate it using a rigorous testing protocol. Here are three 65-inch sets that combine big screens and strong performance, and all at a price of about $1,000.
Consumer Reports is an independent, nonprofit organization that works side by side with consumers to create a fairer, safer, and healthier world. CR does not endorse products or services, and does not accept advertising. Copyright © 2022, Consumer Reports, Inc.
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The television screen is what everyone sees first, but don’t forget these other key areas, not to mention the area around your unit. “It can also help to clean the furniture and carpets around the TV to prevent dust and hair from getting into it,” says Williams.
The remote control is handled regularly. This is the one time when harsh chemicals can be used sparingly. Follow the manufacturer owner’s manual instructions first, but if sanitizing is needed, use a cleaner that’s at least 70 percent alcohol, according to the Centers for Disease Control (CDC) recommendations. (Basic drugstore isopropyl alcohol works well for this.)
Start the remote control cleaning by removing the batteries. As with the TV screen recommendations, you’ll want to avoid spraying directly onto the surface, as this could cause the device to malfunction. Dampen a clean microfiber cloth and rub gently on the top and the underside of the remote control. For hard-to-reach gunk that’s jammed between the buttons, try a cotton swab dipped in a small amount of the cleaning solution. Make sure to let it dry thoroughly before replacing the batteries and using it again.
When figuring out how to clean a TV screen, selecting the safest cleaning solution is key, but it’s also important to know what cleaning products to avoid. Keep in mind that not only should you skip cleaning with certain products, you should also avoid spraying them in close proximity to the TV.
Both Panasonic and Samsung both have lengthy “avoid” lists that include harsh chemicals such as wax, cleaning fluid, acetone, benzene, alcohol, thinner, mosquito repellent and insect spray (really!), lubricant, solvent and undiluted mild dish soap. These can, as Williams says, “cause clouding and can wear away your TV’s anti-glare coating.”
In terms of what to use, Samsung recommends “monitor cleaner only” (also called TV screen cleaner). Panasonic suggests “one part mild liquid dish soap diluted by 100 times the amount of water.” To make this cleaning solution, add a scant teaspoon of liquid dish soap to two cups of water, stirring well to dissolve.
Williams likes TV cleaning kits for their ease of use. “A TV kit will be your safest option for cleaning a TV,” he says. “These kits will come with everything you need to get your TV looking new, like screen-cleaning solvent and a fast-drying microfiber cloth.” You can find TV cleaning kits and cleaning products designed for flat-screen TVs at electronics stores or on Amazon.
Some people swear that only distilled water is useful as cleaning spray for their delicate electronics. Although Williams does not necessarily recommend using distilled water, if you know for a fact you have hard water in your area, you may want to try the distilled water route and see if you notice a difference. Hard water, which has high levels of calcium and magnesium, may leave a film or residue when it’s used for cleaning. Before you spray water to clean TV screens, try experimenting with tap water on a less-important screen, like an old cell phone, to assess the results.
If you can picture the hulking tube TVs (also known as CRTVs) of yore, you may also remember how delightfully easy they were to clean—a few spritzes of window cleaner and some wipes with paper towels and you were good to go—no special microfiber cloth required. But modern TVs with fancier technologies like LCD, OLED, and plasma call for gentler techniques. “Avoid using chemicals like alcohol, ammonia or acetones when cleaning your TV. These cleaners were safe to use for previous generations of TVs with glass panels, but as the hardware changes with time, the cleaning methods do too,” says Williams. Since some multi-purpose and glass cleaners are made with ammonia, skip the Windex.
Modern TVs are often smart TVs but the cleaning tips are the same as the ones for LCD, OLED and plasma TVs. The microfiber cloth is your TV screen’s best friend. “The majority of TVs you purchase today will be smart TVs, and the cleaning process is the same as TVs without smart capabilities,” Williams says.
China remains one of the leading manufacturers of flat screen televisions in the world. The great China region is estimated to be supplying close to half of the flat screen televisions produced worldwide. The three main manufacturing hubs in this region include mainland China, Taiwan, and Hong Kong.
These three regions combined manufactured around forty million flat screen television in the year 2010. The world’s demand for flat screen televisions has been fuelled by increasing rates of urbanization. Higher GDP growth rates have also meant that consumers living in developing economies can be able to purchase flat screen televisions (Park 2006). Globally, the flat screen television industry has had mixed fortunes. The global trends vary depending on different factors.
While second and third rate economies are recording an increase in sales, the market in first rate economies has stagnated considerably. Therefore, leading flat screen television manufacturers have had to jostle for the larger market share in developing economies. In china, the flat screen television industry has been one of the fastest growing sectors of the economy over the last decade.
The specifics of this industry are explored in this report. The report covers past, current, and future performances of this industry. The report also covers all other factors that are relevant to the Chinese flat screen television industry.
The global flat screen market has improved by about three percent in the last four years. When it comes to the market share, developing countries account for seventy five percent of the global market. Because most developing countries have not yet ventured into manufacturing of flat screen televisions, they have had to rely on exports.
The Chinese market is buoyed by the fact that its domestic and import markets have grown uniformly. This has made the Chinese market very robust. As of 2010, the Chinese domestic market accounted for seventy four percent of flat screen televisions manufactured in China.
The value of these sales stood at ninety five percent. Improved GDP growth in China has increased the purchasing power of most consumers (National Development and Reform Commission 2011). Moreover, frequent advertising has increased awareness of the flat screen television technology therefore aggravating the switch from the older technology to the new one. All these factors are responsible for the solid market share enjoyed by the Chinese manufacturers in their region.
After recording constant growth over the last five years, the Chinese flat screen market slowed down for the first time last year. This is according to a study carried out by China’s Video Industry association. Last year the sales of these televisions hit thirty nine million. This was an annual increase of less than ten percent.
Over the previous five years the industry has always grown by more than ten percent. This year, the industry is also expected to grow by eight percent (Hao-ting 2012). Industry experts have predicted that this development is as a result of the Chinese market reaching its maturity stage. Therefore, from now on the growth is expected to be more measured and it will no longer be in leaps and bounds. For example during the first half of 2011, the industry recorded a decrease in both volumes and prices.
The Chinese flat screen television industry has been aided by several factors. One of the key drivers of flat screen television industry in China is the mode of advertising that has been adopted by manufacturers. Previously, the mode of advertising focused on specific brands. Nowadays, advertisement is more focused on the type of technology used to manufacture the television. This specific form of advertising has increased awareness of flat screen televisions. For instance, some flat screen televisions are advertised as suitable for sports purposes.
The other key driver is the opening up of Chinese rural markets. Due to increased globalization and industrialization in China, rural markets are now consuming flat screen televisions at a faster rate. People in rural areas are moving away from the traditional types of televisions. The reason why demand for earlier models was high was because those living in rural areas lacked adequate power supplies or television coverage. Most of rural China is now advancing and this has increased the demand for newer technologies.
China has good relations with the developing countries (Razeen 2012). This has enabled Chinese manufacturers to obtain the lucrative developing world’s market share. On the other hand, the developing countries prefer Chinese products as they are often cheaper compared to the ones manufactured in the Western countries.
The Chinese manufacturers have gone out of their way to establish more permanent links with developing countries. This has meant being involved in the distribution channels of flat screen televisions in these countries.
One of the major challenges affecting the industry in China is the pressure from the west to adopt more robust manufacturing and copyright legislations. The Chinese have been faulted for infringing international copyright laws. This has then cost the Chinese manufacturers possible European and American markets.
China’s main competition comes not from the Western Economies but from other countries in the Asian region. Countries like Taiwan and Japan are their main competitors. This is because these countries can also be able to mass produce televisions at low costs. These countries are also more quality conscious making their brands more popular in countries with tougher industrial laws
This competition has driven down the quality of local flat screen products. These price wars are making it harder for Chinese manufacturers to compete with the quality of televisions from neighbouring markets.
Internet penetration in China has reached an all time high. Despite of the regulations that come with internet use in China, many people have embraced various internet applications that might be integrated with television technology. This has prompted the need for some of the technological revolutions that come with flat screen televisions.
The need by individuals to own the latest technology has supported China’s flat screen industry in a big way. This is because technology is changing at a very fast rate. Whether it is from LED to LCD or from intelligent to three dimensional pictures, these changes are guaranteed to keep people frequenting television stores.
Advancing technology has also affected the industry in a negative way. This is because alternatives to television are not always replacements. Almost every technology that comes up today has built-in television capabilities.
Examples of these technologies include mobile phones, I-pads, and laptops among others (Drell 2011). This means potential customers can decide to settle for alternative technology that does not include television. This trend may cancel the effects of changing flat screen technology.
Major players in the Smart TV market in China have predicted that this trend is about to take off in a major way. China is a lucrative market for smart television as it has the biggest television audience in the world (Daily Prime News 2011).
Most Chinese manufacturers are yet to adopt this form of technology. This makes partnerships like the recent one where Samsung teamed up with Google to develop a smart TV application very viable (Byung-Jin 2011). This year may see this trend take root and in the process revitalize the flat screen television industry in China.
This year the Chinese Flat Screen Industry is expected to grow by about eight percent. This is a remarkable growth considering the recent economic growth down turn. Rival industries like Korea, Japan and Taiwan will however continue to be major competitors to China in terms of market shares.
However the industry may rely on other factors like the increasing middle class or the high rate of rural development in the country. The industry’s stakeholders should consider raising manufacturing standards of flat screen televisions. This is because cases of televisions with faulty screens are higher in China than in any other place in the world (Fujimoto 2006).
Currently china has the biggest share of the global market at twenty percent (Grobart 2011). It is closely followed by Europe and the United States. These two markets have the ability to turn tables on China if measures to maintain this market share are not adopted.
Byung-Jin, G 2011, “Co-operation between giants: Collaboration with competitors for technological innovation”, Research Policy, Vol. 40 no. 5, pp. 650-663.
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Ours is a Sony Bravia that is now over 10 years old. Several months ago we started noticing lines, especially on the left (our left) side of the screen. They’d go away after the tv warmed up. Then we started noticing it was darker on that side of the screen, but again, after the tv warmed up the screen would be normal. Then about two months ago it started getting worse and didn’t ever get completely better, even after the tv warmed up. So I watched some youtube videos that all talked about the ribbon cables becoming loose over time and to apply pressure along the top and see if that made it better, and if so, it was a loose cable and if you put electrical tape or something that would help keep the pressure, it would fix the problem. Hubby pressed along the top and sure enough, when he pressed in one spot on the left side suddenly the picture cleared up. Stayed good for about a week, then problems again, pressed again, fixed again. A week or so later, same problem, but this time when he pressed on it nothing got better.
So I decided to take the cover off and look at it better. As I was pressing on the tops of the ribbon cables that run down from the top of the frame, for a minute it got better but then suddenly there was a wide white vertical line, with a thin green one down the center of it, running down the front of the screen, and it was perfectly aligned with one of the cables. So now I still have the dark side of the screen, and some ghosting, and some lines, but now this bright white streak/line right down the front. Another weird thing is that if the whole screen is bright (like watching a show set in a snowy place) then the darkness even on the left side is basically gone, but if the scene is dark at all, that side is almost black. I don’t know if it means that particular ribbon cable is bad, or if something is loose, if things need to be replaced or what. It’s very frustrating as it’s been a great tv. Hubby wants to just buy a new one, but even if he does I would still like to try and figure out this one as it could then go in another room.
Modern flat screen TV"s have a known problem with capacitors going bad. If your LCD or LED TV won"t turn on, or makes repeated clicking sounds, there is a very good chance that you can save hundreds of dollars doing this simple repair yourself.
I know, I know. You"re thinking, "Tinker inside my LCD HDTV. Are you crazy?" No, I"m not crazy. This is a repair almost anyone can do and this fix will work for any TV.
You sit down and get comfortable, ready to watch your favorite TV show or movie. You turn on your TV and...nothing! Unsure if you hit the power button, you try again...again, nothing! But you do notice a clicking sound emanating from your TV.
HDTV"s aren"t cheap. Most of us have to save, or at least be prepared to spend $800-$1000 on new one. Heck, I"m sure many of you don"t savor the idea of spending a few hundred on repairs.
I have good news. This repair is actually quite simple, and with only a few basic tools and about 20 bucks, you can have your TV working in less than an hour.
The bad News. If your TV is physically damaged in any way, been dropped, has a broken screen or gotten wet then this repair isn"t for you. But if your TV was working one day but not the next, read on.
If you need a soldering iron, that no problem. They are cheap and easy to use. I highly recommend this 60 Watts Soldering Iron Kit. It"s less than 20 bucks. If your looking for the lowest price possible, this 60W soldering iron with stand is about $8 (shipped prime) and will work fine.
After unplugging everything on the TV, you will need to remove the stand. If your TV was wall mounted you will need to remove the TV from the wall, and remove the mounting bracket from the back of the TV.
The TV sits on top and inside the stand, so it wont just flop over when you remove the stand screws, but it"s always safer to have a friend hold the TV upright as you remove the screws from the stand. Then each of you grab a side and carefully lay it flat on a carpeted surface.
Above is a a picture of the back side of a typical TV. The left picture is my LG 42LN5300 and the right picture is my Samsung LN46A550, but all TVs are similar. Remove all of the screws along the outer edge of the back casing. There can be anywhere from 10 - 16 of these screws.
Then identify the "power board". Every TV is a little different, but the power board will have can shaped capacitors and is the board that the main power from the plug goes to first. On this Samsung TV I put a green rectangle around the power board that we will be working on..
The other "green" board is the "logic board", this is the computer that runs the TV. Repair of the board is beyond the scope of this article. (But it"s most likely not the problem)
Remove all of the wiring harnesses from the circuit board. A simple tug on the connector clip (not the wiring) should be sufficient to remove them. On this particular Samsung board there are 7 different harnesses.
Remove the screws holding the power board to the TV chassis. Most boards will have 6 screws holding them down, as does the one shown in the picture. But look it over there could be more or less.
This TV repair focuses on the small "can shaped" Aluminum ElectrolyticCapacitors.These capacitors come in many colors and sizes but are easy to find on any power board. Not only are these the most likely cause of your problem, but bad ones are simple to find and simple to replace. In most instances you will be able to visually identify the bad capacitors. You don"t need any special skills in electronics or testing.
When a Capacitor fails, the chemical reaction inside the capacitor can produce hydrogen gas, so capacitors have vents cut into the tops of their aluminum cans. These are intended to break and release the gas that has built up inside the capacitor. So, a capacitor which has failed can show bulging at the top..
Another sign of a failed capacitor is leaking fluid (electrolyte). This can be an orange or brownish discharge from either the top or bottom of the capacitor. Usually, with leaking the capacitor will also be bulging. But a capacitor can bulge but not leak.
Capacitors do not always show visible signs of failure. But, if you see either of the 2 signs above on your board, you can be confident that you"re close to fixing your TV. If you don"t see these signs of failure, but your TV had the tell-tail clicking sound, you still can be fairly certain the steps below will fix your TV.
On power board pictured above, I have indicated which capacitors you should be examining for signs of failure. These Capacitors are Aluminum Electrolytic Capacitors, and are the most likely cause of your problem. The capacitors with the green arrows are the most likely candidates for being bad, but the blue arrow are other capacitors to examine.
Warning: Do not bother with the large capacitors (2 or 3 will be on every board). These are high voltage, rarely fail and for safety require a little more expertise to work on.
The pictures above are actual closeups of my TV"s board. Notice how the blue capacitors in the foreground are bulging. These are the capacitors I will replace. All other capacitors look OK. If you can find replacements for all 4 of these capacitors, and any others that show visual signs of going bad, I recommend replacing them all while your in here.
Capacitors have polarity. What this means is, like a battery, they have a positive (+) and a negative (-) side. Before removing any capacitor, note which side the white stripe of the capacitor is facing. You will need to put in the new capacitor in the same direction. You probably noted on my pictures that I actually made a note on the aluminum heat sink with a pen.
Now that you"ve identified the capacitors that look bad, turn the board over and carefully identify exactly which points on the board are the wire leads from the these capacitors.
Circle them with a "sharpie" type pen to keep track. Grab your friend and have them help you on this next step. Balancing the circuit board on its side while using a hot soldering iron and pliers can be a bit tricky.
With the circuit board on its edge, have your friend grab one of the capacitors with the pliers and apply a very gentle pulling pressure. Apply the tip of the soldering iron to one lead on the back side of the board and hold it there until you see the solder melt. Now switch to the other lead until it melts. Keep going back and forth on the leads. Each time the solder will melt faster. After going back and forth a couple times the capacitor will easily come out.
Ideally you should match the uF and the temperature rating exactly. But it is acceptable to use a capacitor rated higher uF if it is within 20% of the original.
Place your soldering iron and solder on lead until the heat melts the solder. Once solder melts onto the lead, apply the iron on the lead and solder a few times to melt the solder cleanly on the lead. If you have solder flux, the solder will make a clean connection.
Hi, I have a tv that stopped working in the 5 minutes I left the room. I"ve opened it, and from my tests I know these details: 1, the psu is fine, 2, the leds and their drivers are fine, but the logic board doesn"t signal the psu to turn on,(I had to signal it myself to test if it is ok) and it doesn"t signal the led drivers. I checked the regulators and they output correctly. What else can I check?0
So I took my tv apart and I think I found the problem can you please verify for me? Pictures attached. I think one of the big CAPACITOR is bad and leaking on the bottom of the board is brown.
One of today’s modern technological wonders is the flat-panel liquid crystal display (LCD) screen, which is the key component we find inside televisions, computer monitors, smartphones, and an ever-proliferating range of gadgets that display information electronically.What most people don’t realize is how complex and sophisticated the manufacturing process is. The entire world’s supply is made within two time zones in East Asia. Unless, of course, the factory proposed by Foxconn for Wisconsin actually gets built.
Last week I had the opportunity to tour BOE Technology Group’s Gen 10.5 factory in Hefei, the capital of China’s Anhui Province.This was the third factory, or “fab” that Beijing-based BOE built in Hefei alone, and in terms of capability, it is now the most advanced in the world.BOE has a total of 12 fabs in Beijing, Chongqing, and several other major cities across China; this particular factory was named Fab 9.
Liquid crystal display (LCD) screens are manufactured by assembling a sandwich of two thin sheets of glass.On one of the sheets are transistor “cells” formed by first depositing a layer of indium tin oxide (ITO), an unusual metal alloy that you can actually see through.That’s how you can get electrical signals to the middle of a screen.Then you deposit a layer of silicon, followed by a process that builds millions of precisely shaped transistor parts.This patterning step is repeated to build up tiny little cells, one for each dot (known as a pixel) on the screen.Each step has to be precisely aligned to the previous one within a few microns.Remember, the average human hair is 40 microns in diameter.
On the other sheet of glass, you make an array of millions of red, green, and blue dots in a black matrix, called a color filter array (CFA).This is how you produce the colors when you shine light through it.Then you drop tiny amounts of liquid crystal material into the cells on the first sheet and glue the two sheets together.You have to align the two sheets so the colored dots sit right on top of the cells, and you can’t be off by more than a few microns in each direction anywhere on the sheet.The sandwich is next covered with special sheets of polarizing film, and the sheets are cut into individual “panels” – a term that is used to describe the subassembly that actually goes into a TV.
For the sake of efficiency, you would like to make as many panels on a sheet as possible, within the practical limitations of how big a sheet you can handle at a time.The first modern LCD Fabs built in the early 1990s made sheets the size of a single notebook computer screen, and the size grew over time. A Gen 5 sheet, from around 2003, is 1100 x 1300 mm, while a Gen 10.5 sheet is 2940 x 3370 mm (9.6 x 11 ft).The sheets of glass are only 0.5 - 0.7 mm thick or sometimes even thinner, so as you can imagine they are extremely fragile and can really only be handled by robots.The Hefei Gen 10.5 fab is designed to produce the panels for either eight 65 inch or six 75 inch TVs on a single mother glass.If you wanted to make 110 inch TVs, you could make two of them at a time.
The fab is enormous, 1.3 km from one end to the other, divided into three large buildings connected by bridges.LCD fabs are multi-story affairs.The main equipment floor is sandwiched between a ground floor that is filled with chemical pipelines, power distribution, and air handling equipment, and a third floor that also has a lot of air handling and other mechanical equipment.The main equipment floor has to provide a very stable environment with no vibrations, so an LCD fab typically uses far more structural steel in its construction than a typical skyscraper.I visited a Gen 5 fab in Taiwan in 2003, and the plant manager there told me they used three times as much structural steel as Taipei 101, which was the world’s tallest building from 2004- 2010.Since the equipment floor is usually one or two stories up, there are large loading docks on the outside of the building.When they bring the manufacturing equipment in, they load it onto a platform and hoist it with a crane on the outside of the building.That’s one way to recognize an LCD fab from the outside – loading docks on high floors that just open to the outdoors.
LCD fabs have to maintain strict standards of cleanliness inside.Any dust particles in the air could cause defects in the finished displays – tiny dark spots or uneven intensities on your screen.That means the air is passed through elaborate filtration systems and pushed downwards from the ceiling constantly.Workers have to wear special clean room protective clothing and scrub before entering to minimize dust particles or other contamination.People are the largest source of particles, from shedding dead skin cells, dust from cosmetic powders, or smoke particles exhaled from the lungs of workers who smoke.Clean rooms are rated by the number of particles per cubic meter of air.A class 100 cleanroom has less than 100 particles less than 0.3 microns in diameter per cubic meter of air, Class 10 has less than 10 particles, and so on. Fab 9 has hundeds of thousands of square meters of Class 100 cleanroom, and many critical areas like photolithography are Class 10.In comparison, the air in Harvard Square in Cambridge, MA is roughly Class 8,000,000, and probably gets substantially worse when an MBTA bus passes through.
Since most display manufacturing has to be done in a cleanroom and handling the glass requires such precision, the factory is heavily automated.As you watch the glass come in, it is placed into giant cassettes by robot handlers, and the cassettes are moved around throughout the factory.At each step, robots lift a piece of glass out of the cassette, and position it for the processing machines.Some of the machines, like the ones that deposit silicon or ITO, orient the glass vertically, and put them inside an enormous vacuum chamber where all the air is first pumped out before they can go to work.And then they somehow manage to deposit micrometer thin layers that are extremely uniform.It is a miracle that any of this stuff actually works.
It obviously costs a lot to equip and run such a fab.Including all of the specialized production tools, press reports say BOE spent RMB 46 billion (US$6.95 billion). Even though you don’t see a lot of people on the floor, it takes thousands of engineers to keep the place running.
The Hefei Gen 10.5 is one of the most sophisticated manufacturing plants in the world.On opening day for the fab, BOE shipped panels to Sony, Samsung Electronics, LG Electronics, Vizio, and Haier.So if you have a new 65 or 75-inch TV, there is some chance the LCD panel came from here.
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To many people, clean means water, but water and electronics don’t mix. At all. Follow these these tips which show you how to clean a TV screen without harming yourself or it.
Use water to lightly moisten a clean, soft, dry cloth, and then rub the screen gently. Do not let water run down screen or enter behind screen frame. Wipe with dry cloth after cleaning.
WARNING: Never use any type of window cleaner, alcohol, soap, scouring powder, or any cleanser that contains solvents. Never use abrasive pads or paper towels. These can scratch the screen (and even dissolve special coatings on it) causing permanent damage.
#HisenseHack: Like any technology that moves fast, trying to get your head around the world of TVs can be difficult. Check out our guide to the key things you need to consider when purchasing a new model.
If your screen is still dirty, apply a small amount of 70~75% isopropyl alcohol (IPA) solution to your cloth and gently wipe down the exterior of your screen. Alternatively, you can also use a 70~75% IPA wipe.
Over the course of the past half decade, the television has gradually become a standard American household item, to the point where it is not uncommon for a household to own more than one television. As with any object made for human consumption, the television requires materials from an earth that can only provide a finite amount of such things. These materials come from many different sources, from many different areas of the world, and are all assembled into the different working parts that make up a television. The materials as they are found raw in nature range from argon gas to platinum ore, and many raw materials are then combined into other secondary materials that are then assembled into the parts of the television. Televisions depend on a wide range of these naturally found materials to be produced, but the main kinds of materials that make up a television are secondary materials produced from the combination of various raw materials, which makes the different parts of the life cycle of a television each more complex.
The raw materials that are extracted for use in a television come from many different sources, which makes the beginning of the television’s life cycle one that starts at many different places. One of the main types of materials used in televisions are plastics, namely thermoplastics such as polyethylene. Thermoplastics like polyethylene are used because they can be melted down and remolded repeatedly, which is part of the process in making the exterior casing of a television. Polyethylene is made from the polymerization of ethylene. Ethylene is produced from the cracking of ethane gas, which can be separated from natural gas. When the polyethylene is ready, it is molded into the specific shape that is required to encase a television, and is then set into that shape by using a thermoset. The thermoset is used to fix the meltable plastic in the shape that the plastic has been molded in, meaning that once the thermoset is fixed onto the plastic, the plastic cannot be melted again. The fixing of thermosets is necessary for electronic appliances like televisions that produce a significant amount of heat, so that the plastic that encases the television will not melt down. The most common thermoset used in televisions is urea formaldehyde. Urea formaldehyde is made by obtaining urea, a solid crystal, from ammonia gas, and by obtaining formaldehyde from methane gas. The two are then chemically combined to make the resin-like material that is used as a thermoset. Another main material that is used in most television is glass. Glass is the essential material that makes up the screen of a television, and is made from the chemical compound silicon oxide. All these materials are extracted and made in factories spread throughout the world, adding to the complexity of manufacturing televisions.
While plastics and glass are the main materials that make up the exterior of a television, the interior parts of a television are made up of a greater range of materials. Plastics are also used in the interior of a television, but inside of a television are also found gases and minerals. Gases such as argon, neon, and xenon gas fill the television screen for the purpose of projecting colors into the screen, and are made visible by the phosphor coating that coats the inside of a television screen. Glass and lead are also found inside of a television screen. These two materials make up cathode ray tubes, which are the video display components of a television. Other components that are found inside of a television also require thermoplastics like polyethylene, including components such as light valves, which work together with cathode ray tubes to enable the electrons inside to be visible on screen. The main electrical components on the interior of a television require a large amount of silicon; these include components such as the logic board, circuit boards, and capacitors. Once again, these materials are extracted and processed on several different continents. Silicon can be found in many different places, but a large supply comes from California. Meanwhile, many plastics are manufactured in China, while factories in the United States manufacture glass. These materials can be manufactured or extracted in other countries as well, which also helps to make the life cycle of a television a complex and global circle.
After these materials are all extracted, they must be processed so that they can make up a television. The main process that affects the raw material usage of a television is the injection molding process. This process is where all the plastics, specifically thermoplastics, that are used in a television are put together and shaped, essentially bringing many of the materials that were extracted for use in the television together. The plastics that will be shaped into television parts are ran through an assembly line of sorts in a factory. They are then melted down into molten plastic and poured into a mold matching the shape that the plastic is desired to conform to. Once that plastic has set in the mold, the thermoset is applied to ensure that the plastic will not melt down again. Thus, much of the materials that eventually go towards use in a television are applied and shaped into their desired form during this process. However, many more materials still need to be added in order to make the final product, and while plastics make up a large part of a television, there are still gases, minerals, and additional synthetic materials such as glass that must come together. The large spread of materials that need to be extracted to make up a television, and the array of locations that those materials are extracted and processed in, contribute towards making the life cycle of a television difficult to track.
Once the materials that will make up the television have been ext