Beijing News: LED technology to enhance the overall performance of liquid crystal color

LCD panel is a passive display device, can not shine, only through the light source to display the image. At present, the majority of LCD TVs use cold cathode fluorescent tube (CCFL) as the backlight source. However, the cold cathode fluorescent lamp can achieve a smaller color gamut, the brightness of different regions of the screen will appear uneven.

The latest LED backlight technology is the most promising alternative to the traditional cold cathode fluorescent tube technology. Has been put into commercial application of light-emitting diodes can provide red, green, blue, green, orange, amber, white and other colors, color gamut is also very broad, which provides a guarantee for color TV LCD upgrade. Another advantage of LED backlight is long life, up to 100 thousand hours. If you press 5 hours a day to start the calculation, a backlight using LED LCD TV can be used for nearly 55 years. Just because the cost is too high, it can only appear in the high-end LCD tv.

Large screen LED backlight technology LCD TV is a tool to show the strength of the enterprise technology, in terms of international brands, Samsung and SONY have launched 70 inches of high-end products, of course, the price is also very high-end. In the domestic brands, Hisense is the first Chinese appliance industry launched a large screen LED backlight LCD TV business, in the CES2008 show, Hisense exhibited 42 inches and 32 inches two LED tv. The series of products due to the use of LED backlight display technology, from raw materials to prevent the presence of lead, mercury and other pollution elements.

Source: Beijing News