US-20260126686-A1 - COLOR FILM SUBSTRATE

US20260126686A1US 20260126686 A1US20260126686 A1US 20260126686A1US-20260126686-A1

Abstract

A color film substrate includes a first base substrate, a color film layer disposed at one side of the first base substrate, a protective layer disposed at one side of the color film layer away from the first base substrate, and a plurality of first spacers disposed corresponding to the plurality of first grooves. In the non-display region, a plurality of first grooves are provided at one surface of the protective layer away from the first base substrate. A part of the first spacer is disposed in the first groove.

Inventors

Jianjian Chen
Li Ma
Peng Chen
Huakun Du
Fengzhen LV
Jingpeng Wang
Dongdong Zhang
Bo Zhang

Assignees

HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20260106

Claims (20)

1 . A color film substrate having a display region and a non-display region, wherein the color film substrate comprises: a first base substrate; a color film layer, disposed at one side of the first base substrate; a protective layer, disposed at one side of the color film layer farthest away from the first base substrate, wherein in the non-display region, a plurality of first grooves are provided at one surface of the protective layer farthest away from the first base substrate; a plurality of first spacers, disposed corresponding to the plurality of first grooves, wherein a part of the first spacer is disposed in the first groove; and a blocking layer, located in the non-display region and disposed between the color film layer and the first base substrate, wherein a surface of the blocking layer farthest away from the first base substrate is flat.
2 . The color film substrate according to claim 1 , wherein in the non-display region, a plurality of second grooves are provided on the color film layer, and the plurality of second grooves are disposed corresponding to the plurality of first grooves.
3 . The color film substrate according to claim 2 , wherein an orthographic projection of the first groove on the first base substrate is located in an orthographic projection of the second groove on the first base substrate.
4 . The color film substrate according to claim 2 , wherein the second groove has a larger depth than the first groove; or the second groove is a through hole passing through the color film layer.
5 . The color film substrate according to claim 2 , wherein the second groove has a horn mouth structure with an opening portion and a bottom portion, and the opening portion is larger than the bottom portion.
6 . The color film substrate according to claim 1 , wherein an orthographic projection of the first spacer on the first base substrate is located in an orthographic projection of a groove bottom wall of the first groove on the first base substrate.
7 . The color film substrate according to claim 1 , wherein the color film substrate further comprises: a second spacer, disposed at one side of the protective layer farthest away from the first base substrate, and located in the display region.
8 . The color film substrate according to claim 7 , wherein one surface of the second spacer farthest away from the first base substrate is coplanar with one surface of the first spacer farthest away from the first base substrate; or the first spacers are arranged in a same regular array as the second spacers.
9 . The color film substrate according to claim 8 , wherein the plurality of first spacers are arranged in a plurality of first columns along a first direction, the plurality of second spacers are arranged in a plurality of second columns along the first direction, and the plurality of first columns are provided in one-to-one correspondence with the plurality of second columns, and any one of the first columns is disposed in a same column as a corresponding one of the second columns; the plurality of first spacers are arranged in a plurality of first rows along a second direction, the plurality of second spacers are arranged in a plurality of second rows along the second direction, and the plurality of first rows are provided in one-to-one correspondence with the plurality of second rows, and any one of the first rows is disposed in a same row as a corresponding one of the second rows; and the first direction is intersected with the second direction, and the first direction and the second direction are parallel to one surface of the first base substrate closest to the color film layer.
10 . The color film substrate according to claim 1 , wherein the protective layer comprises: a first part, located in the non-display region, and located at the side of the color film layer farthest away from the first base substrate; and a second part, connected to the first part, and located in the display region; wherein a distance between one surface of the first part farthest away from the first base substrate and the first base substrate is larger than a distance between one surface of the second part farthest away from the first base substrate and the first base substrate; and a distance between the surface of the first part farthest away from the first base substrate and the surface of the second part farthest away from the first base substrate is less than or equal to 0.5 micrometers.
11 . The color film substrate according to claim 10 , wherein the surface of the second part farthest away from the first base substrate is coplanar with one surface of the first groove farthest away from the first base substrate.
12 . The color film substrate according to claim 1 , wherein the color film layer comprises: a first light-filtering portion, a second light-filtering portion and a third light-filtering portion, disposed in the display region; and a dummy portion, disposed in the non-display region.
13 . The color film substrate according to claim 12 , wherein the blocking layer is further located in the display region; in the display region, a plurality of first vias are provided on the blocking layer, and a part of the first light-filtering portion, a part of the second light-filtering portion and a part of the third light-filtering portion are correspondingly disposed in the plurality of first vias; and in the non-display region, the dummy portion is disposed at one side of the blocking layer farthest away from the first base substrate.
14 . The color film substrate according to claim 12 , wherein the first light-filtering portion is a red light-filtering portion, the second light-filtering portion is a green light-filtering portion, and the third light-filtering portion is a blue light-filtering portion.
15 . The color film substrate according to claim 13 , wherein an orthographic projection of the first light-filtering portion on the first base substrate is overlapped with an orthographic projection of the blocking layer on the first base substrate, an orthographic projection of the second light-filtering portion on the first base substrate is overlapped with the orthographic projection of the blocking layer on the first base substrate, and an orthographic projection of the third light-filtering portion on the first base substrate is overlapped with the orthographic projection of the blocking layer on the first base substrate.
16 . The color film substrate according to claim 15 , wherein the orthographic projection of the first light-filtering portion on the first base substrate is overlapped with orthographic projections, on the first base substrate, of the second light-filtering portion and the third light-filtering portion that are adjacent to the first light-filtering portion; and the orthographic projection of the second light-filtering portion on the first base substrate is overlapped with the orthographic projection, on the first base substrate, of the third light-filtering portion that is adjacent to the second light-filtering portion.
17 . The color film substrate according to claim 16 , wherein the first light-filtering portion partially covers the third light-filtering portion that is adjacent to the first light-filtering portion, the first light-filtering portion partially covers the second light-filtering portion that is adjacent to the first light-filtering portion, and the first light-filtering portion is provided in a same layer and formed in a same material as the dummy portion.
18 . The color film substrate according to claim 1 , wherein the color film substrate is provided with a corner portion, and the non-display region is disposed at the corner portion; and at the corner portion.
19 . The color film substrate according to claim 1 , wherein the display region is provided with a round chamfer, and a radius of the round chamfer is greater than or equal to 3 millimeters.
20 . The color film substrate according to claim 1 , wherein a plurality of strip-shaped grooves are provided at the surface of the protective layer farthest away from the first base substrate, and at least a part of the strip-shaped grooves extends from the display region to the non-display region.

Description

CROSS-REFERENCE TO RELATED APPLICATION The present application is a continuation application of U.S. application Ser. No. 18/292,327, which is the U.S. National Stage of International Application No. PCT/CN2022/101250, filed on Jun. 24, 2022, the contents of which are incorporated herein by reference in their entireties for all purposes. TECHNICAL FIELD The present disclosure relates to the field of display technology, and specifically, to a color film substrate, a display panel and a display device. BACKGROUND The liquid crystal display (LCD) has the advantages of low power consumption, small size, and zero radiation, it can make users enjoy the best visual environment, and is more and more popular with the vast number of users. However, the current liquid crystal display panel is prone to display defects. It should be noted that the information disclosed in the background section above is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those skilled in the art. SUMMARY The object of the present disclosure is to overcome the above deficiencies in the prior art, and provide a color film substrate, a display panel and a display device. According to one aspect of the present disclosure, there is provided a color film substrate having a display region and a non-display region. The color film substrate includes: a first base substrate;a color film layer, disposed at one side of the first base substrate;a protective layer, disposed at one side of the color film layer away from the first base substrate, where in the non-display region, a plurality of first grooves are provided at one surface of the protective layer away from the first base substrate; anda plurality of first spacers, disposed corresponding to the plurality of first grooves, where a part of the first spacer is disposed in the first groove. In one exemplary embodiment of the present disclosure, in the non-display region, a plurality of second grooves are provided on the color film layer, and the plurality of second grooves are disposed corresponding to the plurality of first grooves. In one exemplary embodiment of the present disclosure, an orthographic projection of the first groove on the first base substrate is located in an orthographic projection of the second groove on the first base substrate. In one exemplary embodiment of the present disclosure, the second groove has a larger depth than the first groove. In one exemplary embodiment of the present disclosure, in the non-display region, a distance between one surface of the color film layer away from the first base substrate and the first base substrate increases as a distance between the surface of the color film layer away from the first base substrate and the display region increases, and a distance between the surface of the protective layer away from the first base substrate and the first base substrate increases as a distance between the surface of the protective layer away from the first base substrate and the display region increases. In one exemplary embodiment of the present disclosure, depths of the plurality of first grooves are different, and the depths of the plurality of first grooves increase as distances between the plurality of first grooves and the display region increase; and depths of the plurality of second grooves are different, and the depths of the plurality of second grooves increase as distances between the plurality of second grooves and the display region increase. In one exemplary embodiment of the present disclosure, the second groove is a through hole passing through the color film layer. In one exemplary embodiment of the present disclosure, an orthographic projection of the first spacer on the first base substrate is located in an orthographic projection of a groove bottom wall of the first groove on the first base substrate. In one exemplary embodiment of the present disclosure, the color film substrate further includes a second spacer that is disposed at one side of the protective layer away from the first base substrate and is located in the display region. In one exemplary embodiment of the present disclosure, one surface of the second spacer away from the first base substrate is coplanar with one surface of the first spacer away from the first base substrate. In one exemplary embodiment of the present disclosure, the first spacers are arranged in a same regular array as the second spacers. In one exemplary embodiment of the present disclosure, the plurality of first spacers are arranged in a plurality of first columns along a first direction, the plurality of second spacers are arranged in a plurality of second columns along the first direction, and the plurality of first columns and the plurality of second columns are correspondingly disposed in a same column; the plurality of first spacers are arranged in a plurality of first rows along a sec