Patent ID: 9703141
Date: 2017-07-11
CPC Classifications: G02F

Claim:
1. A liquid crystal display panel, comprising: an array substrate; a color filter located on the array substrate, wherein the color filter comprises a black matrix and a color filter layer having different color sections, the different color sections of the color filter layer have quantum dots (QDs) of different sizes respectively, and the QDs of different sizes can be excited to generate light of corresponding colors; a protective layer located on the color filter; a liquid crystal layer provided on the protective layer; and a transparent protective plate provided on the liquid crystal layer; a backlight source emitting blue light and located on a side of the array substrate facing away from the color filter; wherein the color filter layer has red, green, blue and yellow sections, and wherein the red section and the green section of the color filter layer have red light-emitting QDs and green light-emitting QDs, respectively, the yellow section is obtained by mixing red light-emitting QDs and green light-emitting QDs in a volume ratio of green:red=5:3 or 5:2, and the blue section of the color filter layer is transparent.