LED-backlit TV since 2009, LED television became popular concept, LG launched the latest LED TV thickness of only 6.9mm. Less than the thickness of a pencil, so that people marvel at the progress of science and technology, the credit should be attributed to LED. Click here to show the media that the LED on the TV, in fact, should be called LED-backlit TV, because the average LCD TV's backlight is CCFL (cold cathode fluorescent lamp), LED Backlight TV replacing LED do.
2009 second quarter, Samsung LCD TV market in the U.S. share of shipments rose to 21.3%, the chain surged 3.5 percentage points. iSuppli television systems analysts believe that the increase in sales and marketing with the launch of Samsung's LED-backlit active LCD TV inseparable. iSuppli estimates that 2009 second quarter, shipments of LCD TV market with 2.2% in the use of LED backlighting, 2008 over the same period is zero. iSuppli expects the year 2010, 40-inch and larger LED backlit LCD TV shipments will grow more than 6 times higher than in 2009, from 2.5 million in 2009 rose to 18.8 million units on stage. LED backlight for the future of television forecasts, although the forecast value of various research institutions vary, but it is certain that, in 2010, LED-backlit TV worth the wait, there will be more and more LED backlights for LCD TV .
LED backlighting to do, compared to CCFL has many advantages:
Energy: Cold cathode fluorescent lamp in the optical efficiency of 60lm / W, while the commercial efficiency of the LED light has reached 100lm / W or more; more environmentally friendly: CCFL manufacture of hazardous materials will be used to make television more slim: LED backlight changes TV backlight mechanical structure design can greatly reduce the traditional backlight in the thickness of light guide plates, making a more slim LED-backlit TV. Phone backlight is usually used 4-5 pieces LED, LED backlit notebook computer average 45 LED; a average of 500 LED TV LED. LED backlighting in medium and small size of the display has a certain penetration. In the phone application, 100% are using LED backlighting; DisplaySearch estimated 2009 LED backlight penetration for notebook PCs will reach 52%, while in 2010 will quickly grow to 81%. LED-backlit LCD television penetration in the beginning, but the significance.
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