The main purpose of using LED as the backlight of LCD TV is to improve the image quality, especially the color saturation. The display screen of LED backlight technology can obtain a sufficiently wide color gamut, make up for the defect of insufficient display color of LCD display equipment, so that it can meet or even exceed the requirements of Adobe RGB and NTSC color standards, and achieve the NTSC ratio of more than 100%. The LCD TV panel of LED backlight emphasizes the performance of bright red and dark green
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