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CN-224218777-U - Display substrate and display device

CN224218777UCN 224218777 UCN224218777 UCN 224218777UCN-224218777-U

Abstract

A display substrate and a display device are provided. The display substrate comprises a substrate and a pixel group positioned on the substrate. The substrate base plate comprises edges extending along a first direction and a second direction, and each pixel group comprises sub-pixels with different colors. The light-emitting areas of the sub-pixels in the same pixel group surround the central area, the interval is communicated with the central area, the edge of the central area comprises the edge of the light-emitting area of each sub-pixel, which is close to the center of the pixel group, and the edge of the light-emitting area of at least one sub-pixel is an edge which is bent towards one side far away from the center, so that the reflectivity of external environment light incident on the display substrate can be reduced, and at least part of the first electrode, which is electrically connected with the pixel circuit, is arranged in the central area.

Inventors

  • HUO BAOLEI
  • MA DANYANG
  • YU CHI
  • MA TIANYANG

Assignees

  • 京东方科技集团股份有限公司
  • 成都京东方光电科技有限公司

Dates

Publication Date
20260508
Application Date
20250515

Claims (20)

  1. 1. A display substrate, comprising: A substrate base plate comprising an edge extending in a first direction and a second direction, the first direction intersecting the second direction; A plurality of pixel groups on the substrate, each pixel group including a different color sub-pixel, In the same pixel group, the interval between adjacent sub-pixels extends along a specific extending direction, and the specific extending direction intersects with the first direction and the second direction; The light emitting areas of the sub-pixels in the same pixel group surround a central area, the interval is communicated with the central area, the edge of the central area comprises the edge of the light emitting area of each sub-pixel, which is close to the center of the pixel group, and the edge of the light emitting area of at least one sub-pixel, which forms the central area, is the edge which is bent towards the side far away from the center.
  2. 2. The display substrate according to claim 1, wherein in at least one pixel group, edges forming the central region in the light emitting region of each sub-pixel are edges curved toward a side away from the center.
  3. 3. The display substrate according to claim 1, wherein the plurality of pixel groups include a plurality of sub-pixels, at least a part of the sub-pixels including a first electrode, a light-emitting functional layer, and a second electrode which are sequentially stacked in a direction perpendicular to the substrate, the first electrode being located between the light-emitting functional layer and the substrate; The first electrode comprises a main body electrode and a connecting electrode, only the main body electrode overlaps with the light-emitting area of the sub-pixel along the direction vertical to the substrate base plate, and the shape of the main body electrode is similar to the shape of the light-emitting area; In the same pixel group, at least part of the connection electrodes of at least two sub-pixels is located in the central area, and the at least part is configured to be electrically connected with pixel circuits included in the sub-pixels.
  4. 4. A display substrate according to any one of claims 1-3, characterized in that a straight line extending in the specific extension direction does not pass through the light emitting area of each sub-pixel in the same pixel group, the specific extension direction comprising at least one extension direction.
  5. 5. The display substrate according to claim 4, wherein each pixel group comprises four sub-pixels including at least three sub-pixels of different colors, a line connecting centers of light emitting areas of two sub-pixels among the four sub-pixels is parallel to the first direction, a line connecting centers of light emitting areas of other two sub-pixels among the four sub-pixels is parallel to the second direction, or Each pixel group comprises three sub-pixels, each sub-pixel comprises a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, the areas of the light emitting areas of the first color sub-pixel and the second color sub-pixel are smaller than the area of the light emitting area of the third color sub-pixel, and a straight line extending along the specific extending direction passes through the interval between the light emitting area of the third color sub-pixel and the light emitting areas of the other two color sub-pixels.
  6. 6. A display substrate according to any one of claims 1-3, wherein the edge of the light emitting region of at least one sub-pixel in the same pixel group comprises a circular arc edge, and the angle of the circular arc edge is not less than 10 degrees and less than 360 degrees.
  7. 7. A display substrate according to any one of claims 1-3, wherein the edges of the light emitting region of at least one sub-pixel in the same pixel group other than the edge surrounding the central region comprise curved edges, and a portion of the curved edges is curved to a side closer to the center.
  8. 8. The display substrate according to claim 7, wherein the light-emitting regions of each sub-pixel in the same pixel group each include the curved edge, edges of the light-emitting regions of adjacent two sub-pixels arranged in a direction perpendicular to the specific extending direction, which are adjacent to each other, are two sub-edges of the curved edge, distances at least two positions in a space between the two sub-edges are different, or In the same pixel group, the light emitting regions of each sub-pixel comprise the bending edges, which are close to each other, of the light emitting regions of two adjacent sub-pixels arranged along the direction perpendicular to the specific extending direction are two sub-edges in the bending edges, and distances at different positions in the interval between the two sub-edges are the same.
  9. 9. A display substrate according to any one of claims 1-3, wherein the edges of the light emitting area of at least one sub-pixel in the same group of pixels, except for the edge surrounding the central area, comprise a curved edge and a straight edge, at least part of the straight edge being located on the side of the curved edge facing the central area; or in the same pixel group, the edges of the light-emitting area of at least one sub-pixel except the edge surrounding the central area comprise a bending edge and a folding line edge, wherein at least part of the folding line edge is positioned on one side of the bending edge towards the central area; Or in the same pixel group, the edges of the light-emitting area of at least one sub-pixel except the edge surrounding the central area are all curved edges.
  10. 10. The display substrate according to claim 9, wherein the light emitting region of at least part of the sub-pixels in the same pixel group includes one curved edge and two straight edges or two broken line edges connecting both ends of the one curved edge.
  11. 11. A display substrate according to any one of claims 1-3, wherein the edges of the light emitting area of at least one sub-pixel in the same pixel group, except the edges surrounding the central area, comprise at least one rounded chamfer or at least one flat chamfer.
  12. 12. A display substrate according to any one of claims 1-3, wherein the light emitting areas of at least one sub-pixel in the same pixel group comprise straight edges, wherein the edges of the light emitting areas of the sub-pixels in the same pixel group remote from the centre of the pixel group are part edges of a virtual quadrilateral; The virtual quadrangle comprises a side extending along the first direction and a side extending along the second direction, or the virtual quadrangle comprises a side extending along the specific extending direction; At least part of the edges of the light emitting areas of the sub-pixels in the same pixel group, which are distant from the center of the pixel group, are straight edges or curved edges.
  13. 13. A display substrate according to any one of claims 1-3, wherein the edges of the light emitting region of at least one sub-pixel in the same pixel group other than the edge surrounding the central region comprise curved edges, and a portion of the curved edges is curved to a side away from the center; A straight line extending along the specific extending direction passes through the interval and the light emitting region of one sub-pixel.
  14. 14. The display substrate according to claim 13, wherein the same pixel group includes three sub-pixels having three intervals between light emitting regions of the three sub-pixels, extending directions of the three intervals intersecting each other; At least a part of edges forming the central area and the bending edges in the light-emitting areas of the sub-pixels are arc edges.
  15. 15. A display substrate according to any one of claims 1-3, characterized in that the display substrate comprises an under-screen display area, the edges of the light emitting area of at least one sub-pixel of at least one pixel group of the under-screen display area other than the edge surrounding the central area comprising curved edges.
  16. 16. A display substrate, comprising: A substrate base plate comprising an edge extending in a first direction and a second direction, the first direction intersecting the second direction; a plurality of pixel groups on the substrate, Each pixel group comprises three sub-pixels, each of the three sub-pixels comprises a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, and the areas of the light emitting areas of the first color sub-pixel and the second color sub-pixel are smaller than the area of the light emitting area of the third color sub-pixel; The first color sub-pixels and the second color sub-pixels are arranged along one direction, and the first color sub-pixels and the third color sub-pixels are arranged along another direction; in the same pixel group, the light emitting region of each sub-pixel includes an edge having an extending direction intersecting both the first direction and the second direction.
  17. 17. The display substrate of claim 16, wherein in at least one pixel group, the light emitting region of the first color subpixel and the light emitting region of the second color subpixel comprise two edges proximate to each other, at least one of the two edges comprising a non-straight edge.
  18. 18. The display substrate of claim 17, wherein in the at least one pixel group, both edges are non-straight edges; edges of the light emitting region of the first color sub-pixel and the light emitting region of the second color sub-pixel that are away from each other are non-straight edges.
  19. 19. The display substrate of claim 18, wherein the light emitting region of the third color sub-pixel comprises a non-straight edge or the light emitting region of the third color sub-pixel comprises only a straight edge in the at least one pixel group.
  20. 20. The display substrate of claim 17, wherein edges of the light emitting regions of the first color sub-pixels and the light emitting regions of the second color sub-pixels that are away from each other are straight edges.

Description

Display substrate and display device Technical Field The embodiment of the utility model relates to a display substrate and a display device. Background With the development of technology and the pursuit of users for intelligent display, the demands of users for image quality of display devices are increasing. In a display device, a part of structures reflect external incident light incident thereon, and in a vehicle-mounted display device, the reflection of the external incident light by the part of structures affects the display effect of the display device. Disclosure of utility model The utility model provides a display substrate and a display device. The embodiment of the utility model provides a display substrate, which comprises a substrate and a plurality of pixel groups positioned on the substrate. The substrate base plate comprises edges extending along a first direction and a second direction, the first direction intersects the second direction, and each pixel group comprises sub-pixels with different colors. The light-emitting areas of the sub-pixels in the same pixel group surround a central area, the interval is communicated with the central area, the edge of the central area comprises the edge of the light-emitting area of each sub-pixel, which is close to the center of the pixel group, and the edge of the light-emitting area of at least one sub-pixel is an edge which is bent towards one side far away from the center. For example, in at least one pixel group, the edge forming the center region in the light emitting region of each sub-pixel is an edge curved toward a side away from the center. For example, according to an embodiment of the present utility model, the plurality of pixel groups include a plurality of sub-pixels, at least a part of the sub-pixels include a first electrode, a light emitting functional layer, and a second electrode sequentially stacked in a direction perpendicular to the substrate, the first electrode is located between the light emitting functional layer and the substrate, the first electrode includes a main body electrode and a connection electrode, only the main body electrode overlaps with a light emitting region of the sub-pixels in the direction perpendicular to the substrate, and the main body electrode has a shape similar to that of the light emitting region, and at least a part of the connection electrode of at least two sub-pixels is located in the central region and is configured to be electrically connected to a pixel circuit included in the sub-pixels in the same pixel group. For example, according to an embodiment of the present utility model, a straight line extending in the specific extending direction does not pass through the light emitting regions of the sub-pixels in the same pixel group, and the specific extending direction includes at least one extending direction. For example, according to an embodiment of the present utility model, each pixel group includes four sub-pixels including at least three different color sub-pixels, a line connecting centers of light emitting areas of two sub-pixels among the four sub-pixels is parallel to the first direction, and a line connecting centers of light emitting areas of two other sub-pixels among the four sub-pixels is parallel to the second direction, or each pixel group includes three sub-pixels including a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, areas of light emitting areas of the first color sub-pixel and the second color sub-pixel are each smaller than an area of light emitting areas of the third color sub-pixel, and a straight line extending in the specific extending direction passes through a space between the light emitting areas of the third color sub-pixel and the light emitting areas of the other two color sub-pixels. For example, according to an embodiment of the present utility model, in the same pixel group, the edge of the light emitting region of at least one subpixel includes a circular arc edge, and the angle of the circular arc edge is not less than 10 degrees and less than 360 degrees. For example, according to an embodiment of the present utility model, in the same pixel group, edges of the light emitting region of at least one sub-pixel other than the edge surrounding the center region include curved edges, and a portion of the curved edges is curved to a side close to the center. For example, according to an embodiment of the present utility model, in the same pixel group, the light emitting regions of each sub-pixel include the curved edges, edges of the light emitting regions of adjacent two sub-pixels arranged in a direction perpendicular to the specific extending direction that are adjacent to each other are two sub-edges of the curved edges, distances at least two positions in a space between the two sub-edges are different, or in the same pixel group, the light emitting regions of each sub-pixel include the curved edges, edges of the lig