Liquid crystal display panel, colour filter and manufacturing method of colour filter

Abstract

A liquid crystal display panel, a color filter and a method for fabricating same. The color filter comprises a transparent substrate (120), a black matrix (125), a first color filtering unit (128), a second color filtering unit (130) and an electrically conductive layer. The transparent substrate comprises an active area (122) and a dummy area (123). The first color filtering unit in the active area has the shape of a trapezoid, and the second color filtering unit in the dummy area has the shape of an inverted trapezoid. The portion, of electrically conductive layer, covering the active area is continuous, whereas and the portion, of the electrically conductive layer, covering the dummy area is discontinuous. The active area is normally electrically conductive, whereas the dummy area has an insulating effect. During the process of assembling color filters and thin-film transistors, even if electrically conductive particles exist in the dummy area, as the electrically conductive layer of the dummy area is discontinuous, the common potential exception does not occur, so as to prevent exceptional short circuit in the assembly of color filters and thin-film transistors, and improve the quality of products.

Description

technical field [0001] The invention relates to the field of electronic display, in particular to a liquid crystal display panel, a color filter and a manufacturing method thereof. Background technique [0002] In widely used LCD displays, red, green and blue (RGB) primary color filter regions are arranged in a predetermined manner to form a color filter unit. [0003] As in TFT-LCD, see figure 1 , the color filter (CF) includes a color filter unit functional area 101 (CFActivearea) and a color filter unit spacer area 102 (CFDummyarea). Correspondingly, see figure 2 , the thin film transistor array (TFTArray) includes a thin film transistor functional area 103 (TFTActivearea), a thin film transistor spacer area 104 (TFTDummyarea) and a curing pad 105 (curingpad). [0004] see image 3 , is a schematic diagram of the interval area after the color filter and the thin film transistor array are combined, 106 is the color filter substrate, 107 is the conductive layer of the ...

AI Technical Summary

Problems solved by technology

[0005] In the long-term research and development work, the inventors found that if there are conductive particles 114 above the through holes 112 of the thin film transistor, the conductive layer 113 of the thin film transistor may be connected to the conductive layer 107 of the color filter, resulting in a common potential of the color filter. abnormality, or if there are relatively large conductive particles 114 in the area where there are no TFT through-holes 112, in the process of grouping, they may press through the TFT insulating layer 110, directly reach the TFT second layer 111, and then Connecting with the conductive layer 107 of the color filter will also cause abnormal common potential of the color filter

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