After the Copenhagen climate conference, many countries have identified the green development path of low-carbon economy, and TV energy-saving and emission reduction has also received unprecedented attention. Recently, "flat-panel TV energy efficiency limit value and energy efficiency rating" in the industry's eager anticipation of the sound finally came out and caused widespread concern, the business directly said its introduction will boost the development of LED backlight LCD TV. Academician Ouyang Zhongcan, academician of the Chinese Academy of Sciences and president of the LCD Branch of the Chinese Physical Society, said in an exclusive interview with CCID. "LED rear-projection LCD TVs will replace ordinary cold-cathode fluorescent tubes."
LED backlight LCD TV has significant advantages
Ouyang Zhongcan said that LED backlight LCD TV is the main development direction in the future, because it has the characteristics of bright, environmentally friendly, long service life and more beautiful appearance. The reporter learned that LED backlight LCD TV has four significant advantages, first of all, its color gamut is wider, especially the products using RGB-LED backlight, through the LED devices that can emit high-purity red, green, blue light, to achieve the tradition The wide color gamut range that CCFL LCD TV sources cannot achieve. The real value of LED is that the picture quality is more prominent than traditional LCD TVs. Secondly, its material is environmentally friendly. Now more and more consumers are concerned about whether the products are environmentally friendly and whether they are harmful to the body. In addition, the power consumption of LED TVs is lower than that of traditional CCFL LCD TVs. After testing a 42-inch LED TV, the working power is only 60 watts, which is more than half of the power saving of LCD TVs. Again, it has a long service life and different CCFLs. The rated service life (semi-bright) is between 8,000 and 100,000 hours. In order to enhance performance, CCFL backlights with improved design will have a lower lifetime. The LED backlight can reach about twice the CCFL. Therefore, the service life of LED backlights is usually longer than that of CCFLs; finally, its appearance is fashionable and beautiful. Now people pay more attention to the fashion of appearance while paying attention to the viewing effect. LED TV can make the body thinner and more fashionable. Because traditional LCD TVs transmit white light, they need to add filters to achieve the purpose of color filter imaging. LED backlights are directly illuminated without filters, so The thickness of the TV can be made thinner.
Manufacturers follow up
In discussing the trend of LED backlight LCD TVs becoming mainstream, Ouyang Zhongcan specifically mentioned that LED backlight LCD TVs have developed greatly in the past two years, and many manufacturers in the country are producing LEDs. And manufacturers will follow up on production, the market competition will become more and more fierce, and it will accelerate the price reduction of LED backlight LCD TVs, so that it can be popularized to thousands of households.
It is understood that as the earliest introduction of LED backlight LCD TV in China, it is also the earliest to establish LED backlight LCD module production line. Hisense launched the first 42-inch ultra-thin LED backlight LCD TV on July 9, 2008, Skyworth, Changhong, etc. LED backlight LCD TVs have also been launched. On September 9, 2009, Konka has also led high-end new products into the backlight LCD TV market. Since then, China's LED manufacturers have been out of control.
The national standard was introduced to benefit the tripartite
Ouyang Zhongcan said that after the introduction of the national standard, there will be three beneficiaries.
First of all, ordinary people will be the biggest beneficiary, because LED backlight LCD TVs are more prominent in terms of vision, energy saving, environmental protection and aesthetics than ordinary LCD TVs.
Second, the country benefits. He said that in addition to air conditioners and refrigerators, households consume the most electricity, while large-screen flat-panel TVs consume more electricity than refrigerators in household appliances. According to statistics, household electricity accounts for one-third of the electricity consumption of the whole country. It can be seen that the proportion of TV in household electricity is getting higher and higher, and the energy saving of LED backlight LCD TV is undoubtedly brought to the country and individuals. Coming to the gospel, the reduction in electricity consumption will contribute to the country's low carbon emission reduction and contribution to citizens.
Finally, LED backlight LCD TV manufacturers are beneficiaries. While LEDs are favored and trusted by consumers, LED backlight LCD TV manufacturers will benefit from mass production and sales, and will further promote manufacturers' breakthroughs in technology.
LED backlight LCD TV shortage
As a new type of product, the charm and value of LED TV is unquestionable, but at the same time its existence of "the lack of beauty" is the price is too high.
Some media reports said that LED backlight LCD TVs are at least twice as expensive as ordinary LCD TVs, and the price of LED backlight LCD TVs remains high, first because LEDs involve thousands of patented technologies. Directly leading color TV manufacturers to pay high patent fees, so that LED backlight LCD TV prices remain high. Second, the price of domestically produced components is high. Ouyang Zhongcan pointed out that most of the components of LED backlight LCD TVs on the market today are bought from Japan, Taiwan and other places in China. Due to the lack of technology, they cannot make high-quality rear projections, especially Blu-ray has not yet reached the corresponding level, thus leading to high prices for LED backlight LCD TVs.
The emergence of LED backlight LCD TVs is a gospel for the country and the people. Whether it is from visual appreciation or energy conservation and environmental protection, it can be called the “first-to-one†in the flat-panel TV industry, but it really enters the ordinary people’s home. It is also necessary to work together with various TV manufacturers in China to jointly improve the production technology of high-quality rear projection.
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