US-12628522-B2 - Display panel and display device

US12628522B2US 12628522 B2US12628522 B2US 12628522B2US-12628522-B2

Abstract

A display panel and a display device are provided. The display panel includes a base substrate, a driving circuit layer, a light-emitting device layer, and a color film layer. Color film patterns of the color film layer includes first color film patterns, second color film patterns and third color film patterns, light-emitting regions of first color sub-pixels and light-emitting regions of second color sub-pixels are alternately arranged along a first direction to form first sub-pixel rows; light-emitting regions of third color sub-pixels are arranged along the first direction to form second sub-pixel rows. The first sub-pixel row includes a middle first sub-pixel, two adjacent second sub-pixel rows, and two outer first sub-pixel rows. The first color film pattern in the middle first sub-pixel row extends across the adjacent second sub-pixel row and further extends to the outer first sub-pixel row.

Inventors

Shuo Li
Yanyang SHANG
Bin Liu
Zhenglong Yan
Ling Shi

Assignees

CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20230210

Claims (20)

1 . A display panel, comprising: a base substrate; a driving circuit layer, disposed on the base substrate and comprising a plurality of pixel driving circuits; a light-emitting device layer, disposed on a side of the driving circuit layer away from the base substrate and comprising a plurality of light-emitting devices; and a color film layer, disposed on a side of the light-emitting device layer away from the base substrate and comprising a plurality of color film patterns, wherein the display panel comprises a plurality of sub-pixels, each of the plurality of sub-pixels comprises at least one pixel driving circuit in the driving circuit layer, at least one light-emitting device in the light-emitting device layer and at least one color film pattern in the color film layer, the plurality of color film patterns comprises a plurality of first color film patterns, a plurality of second color film patterns and a plurality of third color film patterns, so that the plurality of sub-pixels forms a plurality of first color sub-pixels, a plurality of second color sub-pixels and a plurality of third color sub-pixels, light-emitting regions of the plurality of first color sub-pixels and light-emitting regions of the plurality of second color sub-pixels are alternately arranged along a first direction parallel to the base substrate to form a plurality of first sub-pixel rows; light-emitting regions of the plurality of third color sub-pixels are arranged along the first direction to form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are alternately arranged along a second direction parallel to the base substrate and intersecting the first direction, the plurality of first sub-pixel rows and the plurality of second sub-pixel rows comprise a sub-pixel row group consisting of one first sub-pixel row, one second sub-pixel row, one first sub-pixel row, one second sub-pixel row and one first sub-pixel row which are sequentially and continuously arranged, the first sub-pixel row in a middle of the sub-pixel row group is a middle first sub-pixel row, the two second sub-pixel rows in the sub-pixel row group are adjacent second sub-pixel rows, and the two outermost first sub-pixel rows in the sub-pixel row group is outer first sub-pixel rows, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row extends across the adjacent second sub-pixel row and further extends to the outer first sub-pixel row.
2 . The display panel according to claim 1 , wherein the first color film pattern of the first color sub-pixel in the middle first sub-pixel row overlaps with the third color film pattern of a third color sub-pixel, which is closest to the first color sub-pixel, in the adjacent second sub-pixel row, and overlaps with the second color film pattern of a second color sub-pixel, which is closest to the first color sub-pixel, in the outer first sub-pixel row.
3 . The display panel according to claim 2 , wherein the first color film pattern of the first color sub-pixel in the middle first sub-pixel row overlaps with the third color film patterns of two third color sub-pixels in the adjacent second sub-pixel row on a side of the middle first sub-pixel row, and overlaps with the third color film patterns of two third color sub-pixels in the adjacent second sub-pixel row on the other side of the middle first sub-pixel row.
4 . The display panel according to claim 1 , wherein the first color film pattern of each of the plurality of first color sub-pixels in the middle first sub-pixel row is continuously distributed.
5 . The display panel according to claim 1 , wherein, in the sub-pixel row group, a straight line along the second direction and passing through a center of the first color film pattern in the middle first sub-pixel row passes through the second color film pattern in the outer first sub-pixel row, a straight line along the second direction and passing through a center of the second color film pattern in the middle first sub-pixel row passes through the first color film pattern in the outer first sub-pixel row.
6 . The display panel according to claim 5 , wherein, in the sub-pixel row group, a straight line along the second direction and passing through a center of the third color film pattern in the adjacent second sub-pixel row is located between the first color film pattern and the second color film pattern in the outer first sub-pixel row and also between the first color film pattern and the second color film pattern in the middle first sub-pixel row.
7 . The display panel according to claim 6 , wherein, in the sub-pixel row group, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row extends to between the light-emitting regions of a second color sub-pixel and a third color sub-pixel adjacent to each other and located in the adjacent second sub-pixel row and the outer first sub-pixel row.
8 . The display panel according to claim 7 , wherein, in the sub-pixel row group, a line connecting centers of the light-emitting regions of the second color sub-pixel and the third color sub-pixel adjacent to each other does not overlap with the first color film pattern.
9 . The display panel according to claim 2 , wherein, in an overlapping region of the first color film pattern and the second color film pattern, the first color film pattern is located on a side of the second color film pattern away from the base substrate, in an overlapping region of the first color film pattern and the third color film pattern, the first color film pattern is located on a side of the third color film pattern away from the base substrate.
10 . The display panel according to claim 1 , wherein the first color sub-pixel is a red sub-pixel, the second color sub-pixel is a blue sub-pixel and the third color sub-pixel is a green sub-pixel.
11 . The display panel according to claim 1 , further comprising: a black matrix layer, disposed on a side of the light-emitting device layer away from the base substrate, wherein the black matrix layer comprises a plurality of avoidance openings that respectively expose the light-emitting regions of the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to the base substrate, and the plurality of avoidance openings comprise a plurality of first avoidance openings, a plurality of second avoidance openings and a plurality of third avoidance openings that respectively correspond to the plurality of first color sub-pixels, the plurality of second color sub-pixels and the plurality of third color sub-pixels, the plurality of first color film patterns, the plurality of second color film patterns and the plurality of third color film patterns of the plurality of color film patterns respectively cover the plurality of first avoidance openings, the plurality of second avoidance openings and the plurality of third avoidance openings.
12 . The display panel according to claim 11 , wherein a minimum distance between a boundary of an orthographic projection of the color film pattern on the base substrate and a boundary of an orthographic projection of the avoidance opening covered by the color film pattern on the base substrate is greater than or equal to 4 μm.
13 . The display panel according to claim 11 , wherein the driving circuit layer comprises a plurality of light-transmitting regions, and the black matrix layer further comprises a plurality of light-transmitting openings, each of the plurality of light-transmitting openings is disposed corresponding to at least one of the plurality of light-transmitting regions for transmitting light having a predetermined angle range relative to the display panel and required for a photosensitive device arranged on a non-display side of the display panel, the light-transmitting opening is located between the first avoidance opening and the second avoidance opening adjacent in the first direction, in a direction perpendicular to the base substrate, the color film pattern does not overlap with the light-transmitting opening.
14 . The display panel according to claim 13 , wherein, in the sub-pixel row group, a part of the first color film pattern of the first color sub-pixel in the middle first sub-pixel row extends to between the light-transmitting opening and the light-emitting region of the third color sub-pixel adjacent to each other, and the part of the first color film pattern overlaps with the third color film pattern of the third color sub-pixel in the second direction.
15 . The display panel according to claim 13 , further comprising a planarization layer disposed on a side of the driving circuit layer away from the base substrate and a pixel defining layer disposed on a side of the planarization layer away from the base substrate, wherein the pixel defining layer comprises a plurality of sub-pixel openings and a plurality of photosensitive openings, the light-emitting device comprises a first electrode layer, a luminescent material layer and a second electrode layer which are sequentially laminated in a direction away from the base substrate, the first electrode layer is disposed on a side of the planarization layer away from the base substrate, the pixel defining layer is disposed on a side of the first electrode layer away from the base substrate, and the plurality of sub-pixel openings respectively expose the first electrode layers of the light-emitting devices of the plurality of sub-pixels, and the plurality of sub-pixel openings define the light-emitting regions of the plurality of sub-pixels, for one sub-pixel opening and one avoidance opening both corresponding to one same sub-pixel, an orthographic projection of the sub-pixel opening on the base substrate is located inside an orthographic projection of the avoidance opening on the base substrate, for one photosensitive opening and one light-transmitting opening both corresponding to one same light-transmitting region, an orthographic projection of the photosensitive opening on the base substrate is located inside an orthographic projection of the light-transmitting opening on the base substrate.
16 . The display panel according to claim 15 , wherein the plurality of sub-pixel openings comprise a plurality of first color sub-pixel openings corresponding to the plurality of first color sub-pixels, a plurality of second color sub-pixel openings corresponding to the plurality of second color sub-pixels, and a plurality of third color sub-pixel openings corresponding to the plurality of third color sub-pixels, an orthographic projection of the first color sub-pixel opening on the base substrate is substantially elliptical, the first sub-pixel rows comprise a first type of first sub-pixel row, and an ellipse long axis of the first color sub-pixel opening in the first type of first sub-pixel row extends substantially along the first direction, in the first type of first sub-pixel row, two photosensitive openings both adjacent to the first color sub-pixel opening are symmetrical about a straight line where an ellipse short axis of the first color sub-pixel opening is located, and two photosensitive openings both adjacent to the second color sub-pixel opening are symmetrical about a straight line along the second direction and passing through a center of the second color sub-pixel opening.
17 . The display panel according to claim 16 , wherein the first sub-pixel rows comprise a second type of first sub-pixel row, and an ellipse long axis of the first color sub-pixel opening in the second type of first sub-pixel row extends substantially along the second direction, in the second type of first sub-pixel row, two photosensitive openings both adjacent to the second color sub-pixel opening are symmetrical about a straight line along the second direction and passing through a center of the second color sub-pixel opening, wherein a maximum dimension of the photosensitive opening between the sub-pixels in the second type of first sub-pixel row in the first direction is greater than a maximum dimension of the photosensitive opening between the sub-pixels in the first type of first sub-pixel row in the first direction.
18 . The display panel according to claim 16 , wherein an opening area of the second color sub-pixel opening is larger than an opening area of the first color sub-pixel opening, a minimum distance between an edge of the photosensitive opening close to the first color sub-pixel opening and the light-transmitting region corresponding to the photosensitive opening is smaller than a minimum distance between an edge of the photosensitive opening close to the second color sub-pixel opening and the light-transmitting region corresponding to the photosensitive opening.
19 . The display panel according to claim 14 , further comprising: a touch layer, arranged on a side of the pixel defining layer away from the base substrate, the touch layer comprises a plurality of touch lines, and orthographic projections of the plurality of touch lines on the base substrate are staggered from the orthographic projections of the plurality of avoidance opening and the orthographic projections of the plurality of light-transmitting opening on the base substrate, and the plurality of touch lines are arranged crosswise to form a mesh structure, a minimum distance between a boundary of the orthographic projection of the touch line on the base substrate and a boundary of the orthographic projection of the light-transmitting opening on the base substrate is greater than or equal to 1.7 μm, and a minimum distance between the boundary of the orthographic projection of the touch line on the base substrate and a boundary of the orthographic projection of the avoidance opening on the base substrate is greater than or equal to 1.7 μm.
20 . A display device, comprising the display panel according to claim 1 .

Description

CROSS REFERENCE TO RELATED APPLICATIONS The present application is a U.S. National Phase of International Application No. PCT/CN2023/075509 filed on Feb. 10, 2023, which is incorporated herein by reference as a part of the present application. TECHNICAL FIELD The present disclosure relates to a display panel and a display device. BACKGROUND An organic light-emitting diode (OLED) display device has a series of advantages, such as self-luminescence, high contrast, high definition, wide viewing angle, low power consumption, fast response and low manufacturing cost, etc. It has become one of the key development directions of the new generation of display devices, so it has attracted more and more attention. SUMMARY Embodiments of the disclosure provide a display panel and a display device. At least one embodiment of the disclosure provides a display panel, comprising: a base substrate; a driving circuit layer, disposed on the base substrate and comprising a plurality of pixel driving circuits; a light-emitting device layer, disposed on a side of the driving circuit layer away from the base substrate and comprising a plurality of light-emitting devices; and a color film layer, disposed on a side of the light-emitting device layer away from the base substrate and comprising a plurality of color film patterns, wherein the display panel comprises a plurality of sub-pixels, each of the plurality of sub-pixels comprises at least one pixel driving circuit in the driving circuit layer, at least one light-emitting device in the light-emitting device layer and at least one color film pattern in the color film layer, the plurality of color film patterns comprises a plurality of first color film patterns, a plurality of second color film patterns and a plurality of third color film patterns, so that the plurality of sub-pixels forms a plurality of first color sub-pixels, a plurality of second color sub-pixels and a plurality of third color sub-pixels, light-emitting regions of the plurality of first color sub-pixels and light-emitting regions of the plurality of second color sub-pixels are alternately arranged along a first direction parallel to the base substrate to form a plurality of first sub-pixel rows; light-emitting regions of the plurality of third color sub-pixels are arranged along the first direction to form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are alternately arranged along a second direction parallel to the base substrate and intersecting the first direction, the plurality of first sub-pixel rows and the plurality of second sub-pixel rows comprise a sub-pixel row group consisting of one first sub-pixel row, one second sub-pixel row, one first sub-pixel row, one second sub-pixel row and one first sub-pixel row which are sequentially and continuously arranged, the first sub-pixel row in a middle of the sub-pixel row group is a middle first sub-pixel row, the two second sub-pixel rows in the sub-pixel row group are adjacent second sub-pixel rows, and the two outermost first sub-pixel rows in the sub-pixel row group is outer first sub-pixel rows, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row extends across the adjacent second sub-pixel row and further extends to the outer first sub-pixel row. For example, in the display panel according to an embodiment of the disclosure, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row overlaps with the third color film pattern of a third color sub-pixel, which is closest to the first color sub-pixel, in the adjacent second sub-pixel row, and overlaps with the second color film pattern of a second color sub-pixel, which is closest to the first color sub-pixel, in the outer first sub-pixel row. For example, in the display panel according to an embodiment of the disclosure, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row overlaps with the third color film patterns of two third color sub-pixels in the adjacent second sub-pixel row on a side of the middle first sub-pixel row, and overlaps with the third color film patterns of two third color sub-pixels in the adjacent second sub-pixel row on the other side of the middle first sub-pixel row. For example, in the display panel according to an embodiment of the disclosure, the first color film pattern of the first color sub-pixel in the middle first sub-pixel row overlaps with the second color film pattern of one second color sub-pixel in the outer first sub-pixel row on a side of the middle first sub-pixel row, and overlaps with the second color film pattern of one second color sub-pixel in the outer first sub-pixel row on the other side of the middle first sub-pixel row. For example, in the display panel according to an embodiment of the disclosure, the first color film pattern of each of the plurality of first color sub-pixels in the middle first sub