Patent ID: 9568765
Date: 2017-02-14
CPC Classifications: G02B,G02F

Claim:
1. A color filter substrate, comprising: a substrate; and a black matrix film layer and a color filter layer on the substrate; wherein the black matrix film layer has a plurality of opening regions arranged array, the color filter layer is fed into the opening regions, and the color filter layer overlapping region with the black matrix film layer at a contact position, a first groove is provided on a surface of the black matrix turn layer located in the overlapping region which contacts the color filter layer, at least a portion of the color filter located in the overlapping region is fed into the first groove, so that a surface of the color filter layer located in the overlapping region, which faces away from the substrate, is flushed with a surface of the color filter layer located in each of the opening regions, which faces away from the substrate; and a second groove is provided on a surface of the substrate which is under the first groove and contacts the black matrix film layer; the second groove has a same shape and depth as those of the first groove; a portion of the black matrix film layer is fed into the second groove.