Is backlight important for LCD TV?
The liquid crystal itself does not emit light. The light is emitted by the refracted back light source to display the image. The quality of the backlight determines the color level, maximum brightness and service life of the television directly.
Samsung LED TV is a businessman to rely on 'gimmicks' to make money, in addition to gorgeous appearance, there is no other commendable technology.
Conventional LCD uses the CCFL (cold cathode tube) as a backlightNow the new LED TV is actually using LED (LED) as a backlight source of LCD, currently divided into two kinds. One is the use of three separate RGB-LED post as a back light source, the other is to use white side LED as backlight, the former than the whole spectrum due to high color index has better LCD the overall color is more delicate is better, but the technology is not mature the high cost of production. The latter is no different from the traditional LCD with CCFL backlight, but thinner, but the production cost is lower than the former. Compared to the two, RGB-LED is flagship, such as SHARP, XS1A series, priced at around 10W. Samsung LED TV is the side of white LED TV basically besides appearance gorgeous and the traditional LCD no matter thin in the picture quality improvement, and the price of UA46B7000WF in 22000+ UA46B6000VF in 20000+ price is very poor! Money can buy a set of wealth at home! The real LED TV is OLED (organic light emitting diode) is a flexible LED that can be folded freely. It is in the R & D stage, and the technology is mature.
