Maximizing possibilities for the LED backlight TV
In current years, more and more consumer electronics including the mobile phone, PDA, notebook and LCD TV starts to come with the LED backlight. As the application becomes more and more widespreading, the LED industry is promoted accordingly. The spreading speed of the LED backlight TV is suprisingly fast.
The LCD TV with the LED backlight features with portability, delicate picture, free of mercury, high luminance and high color range. With the increasing acceptance of the market, the international mainstream display manufacturers start to push the LED backlight from the mobile phone, GPS navigation, portable DVD player and digital photo frame market to the large LCD TV field.
According to the research of DisplaySearch, the sales of the world LED backlight TV are about 4.24 million in 2009. It only covers 3% of the whole LCD market. The sales will increase to 0.156 billion by 2014. With the increase of the Led backlight TV, quantity of LED is greatly promoted. The backlight is becoming the mainstream applicaton of the LED industry.
In 2004, Sony first pushed out the 23 inch LCD monitor and 40 and 46 inch LCD TV applied LED backlight technolgoy. Though the products were power-consuming and exspensive, it showed nice performance in display quality. In July, 2008, the 42 inch super thin LED TV TLM42T08GP developed by Hisense appeared on the market in scale. And it became the third compnay which realized the scale selling of LED TV in the world.
The Skyworth division department president of the display technology presented, for the China TV enterprises, the low cost LCD panel and LED backlight will be a developing opportunity. It should be an important breakthrough point of the strategic development. It's good to low the cost with the progress of the technology and shorthen the distance from the world first line brand.
At present, the TV manufacturers introduce the vertical integration. They start the layout of the related industry chain actively and perfect the supply chain system. They also try to strenthen the partnership with the important material suppliers and build the complete supply chain system.
The expanding of the LED backlight TV market brings wide business opportunity. But there are still some technology problems to be conquered. And the upgrading of technology is very fast.
The LED light gets high power and gives heat. But the backlight is strict with the heat. The electrical elements performance and luminous efficiency will be affected in the overheated condition. And the large LED backlight requires more about the heat output. It's a challenge to increase the brightness of the light while decrease the quantity of the LED light. Now many LED manufacturers are studying the LED light module. It's a technology to pack many chips in a modual.
Some people think the LED backlight control technology is crucial to the LCD TV development. The LED backlight control function is developed to conqure or improves the fixed problems of LED display like light leaking and hangover of the LCD screen.
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