Development Technique of NTSC Color Gamut More than 107% within Full HD Resolution in LED TV Display Using Quantum Dot Film Based Direct Type Back Light Structure

Abstract

In order to achieve wide NTSC color Gamut, advanced Quantum Dot (QD) based optical films and blue LED sources are used into a direct type backlight source for FHD resolution based LED Television. After receiving blue light from backlight source, QD film produces highly saturated narrowband RGB color spectral. QD films are made of Nano semiconductor (eg. Cadmium selenide (CdSe)), a chemical compound which condense into PET elements works as highly efficient phosphor Nano-crystals that produces this RGB Color. Conventional LED TV & monitor with white LED source can produce only 70% of NTSC. Within this research platform, QD film is optically placed between the blue (444nm) LED light source, different backlight films and liquid crystal module (LCM) to improve the color conversion efficiency of a TV or monitor to achieved more than 107% of NTSC.