Abstract
Quantum dots (QDs) enhancement film (QDEF) is a QD contained film, used in LCD system to improve display color quality. The uniformity of QD in QDEF directly affects the color rendering ability of quantum dot display devices. Custom-built equipment was set up for investigating the uniformity. The blue light absorption, the green light conversion efficiency and red light conversion efficiency were used as the tools in judging the uniformity of the QD films. The results showed that the QD concentration is higher in the middle region than edge region, and the conversion efficiency of green light is about twice as high as that of red light.
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