CN-121985698-A - Display screen and display device

Abstract

The disclosure relates to the technical field of display, in particular to a display screen and a display device. The display screen comprises a substrate, an organic light-emitting functional layer and a reflecting structure. The organic light-emitting functional layer is formed on the substrate and comprises a plurality of organic light-emitting structures which are arranged in an array, and the organic light-emitting structures adjacent to the splicing surface are defined as edge light-emitting structures. The reflecting structure is arranged on one side of the edge light-emitting structure, which is far away from the substrate, and at least comprises an inclined reflecting part, wherein the inclined reflecting part covers the edge part of the edge light-emitting structure, which is close to the splicing surface, and in the direction, which is close to the splicing surface, the inclined reflecting part is inclined towards the direction, which is far away from the edge light-emitting structure. In this disclosure, the partial light that edge luminous structure sent is to the display surface, and partial light reflects to the concatenation face through slope reflection portion to promote the luminance of a plurality of display screens on the piece district, reduce the display luminance difference between piece district and the adjacent display screen, improve the problem that black limit appears in the piece position of a plurality of spliced display screens.

Inventors

• LI YAO
• XU PEI

Assignees

• 惠科股份有限公司

Dates

Publication Date

20260505

Application Date

20260401

Claims (10)

1. 1. A display screen having a display surface and a tiled surface positioned laterally to the display surface, the display screen comprising: A substrate; The organic light-emitting functional layer is formed on the substrate and comprises a plurality of organic light-emitting structures which are arranged in an array, and the organic light-emitting structures adjacent to the splicing surface are defined as edge light-emitting structures; the reflection structure is arranged on one side, away from the substrate, of the edge light-emitting structure, and at least comprises an inclined reflection part, wherein the inclined reflection part covers the edge part, close to the splicing surface, of the edge light-emitting structure, and in the direction close to the splicing surface, the inclined reflection part is inclined in the direction away from the edge light-emitting structure; and part of light rays emitted by the edge light-emitting structure are emitted to the display surface, and part of light rays are reflected to the splicing surface through the inclined reflecting part.
2. 2. The display screen of claim 1, wherein the oblique reflective portion comprises a first reflective layer and a second reflective layer, the second reflective layer being located on a side of the first reflective layer remote from the edge light emitting structure and spaced apart from the first reflective layer; One end of the second reflecting layer far away from the splicing surface is arranged in a protruding mode relative to the first reflecting layer; in the direction close to the splicing surface, the first reflecting layer and the second reflecting layer are inclined towards the direction far away from the edge light-emitting structure.
3. 3. The display screen according to claim 2, wherein the inclined reflecting portion further includes a third reflecting layer located at a side of the first reflecting layer near the edge light emitting structure, the third reflecting layer covering an edge portion of the edge light emitting structure near the joint face, and in a direction near the joint face, the third reflecting layer is inclined in a direction away from the edge light emitting structure to be configured to reflect a part of light emitted by the edge light emitting structure to the joint face.
4. 4. The display screen of claim 2, wherein the second reflective layer has a plurality of light-transmitting holes disposed therethrough.
5. 5. The display screen of claim 2, wherein the reflective structure comprises a fourth reflective layer, the fourth reflective layer is positioned on a side of the first reflective layer adjacent to the tiled surface and is connected to the first reflective layer, and an included angle between the fourth reflective layer and the display surface is smaller than an included angle between the first reflective layer and the display surface.
6. 6. The display screen of claim 2, wherein the tilt angle of the second reflective layer is greater than the tilt angle of the first reflective layer.
7. 7. The display screen of claim 2, wherein the display screen comprises: The first organic packaging layer covers the substrate and the organic light-emitting functional layer, and one end of the first organic packaging layer, which is close to the splicing surface, is positioned between the first reflecting layer and the edge light-emitting structure; The second organic packaging layer covers the first organic packaging layer and the first reflecting layer, and one end of the second organic packaging layer, which is close to the splicing surface, is positioned between the first reflecting layer and the second reflecting layer; And a third organic encapsulation layer covering the second organic encapsulation layer and the second reflection layer.
8. 8. A display device, comprising a reflective structure and a plurality of display screens according to any one of claims 1-7, wherein a plurality of display screens are spliced with each other through the splicing surfaces, a seam area is formed between adjacent display screens, the reflective structure is located in the seam area, and the reflective structure is configured to guide light rays emitted from the splicing surfaces of two adjacent display screens to the display surface of the display device.
9. 9. The display device of claim 8, wherein the display screen comprises a color blocking layer comprising a plurality of color blocks, wherein the color blocks are in one-to-one correspondence with the organic light emitting structures; the display device comprises a light filtering part, wherein the light filtering part is arranged on the light emitting side of the light reflecting structure; And on the display surface of the display device, the orthographic projection of the light filtering part covers the orthographic projection of the joint area and the orthographic projection of the edge part adjacent to the joint color block.
10. 10. The display device according to claim 9, wherein the light filtering portion has a first light filtering region and a second light filtering region, a mosaic color block of the display screen adjacent to the first light filtering region is defined as a first mosaic color block, and a mosaic color block of the display screen adjacent to the second light filtering region is defined as a second mosaic color block; the first filtering area and the first spliced color resistance block have the same color and cover the edge part of the first spliced color resistance; the second filtering area and the second spliced color block have the same color and cover the edge part of the second spliced color block; The light reflecting structure comprises a first reflecting surface facing the first spliced color block and a second reflecting surface facing the second spliced color block.

Description

Display screen and display device Technical Field The disclosure belongs to the technical field of display, and particularly relates to a display screen and a display device. Background The OLED has the advantages of high saturation and high contrast ratio, and can be applied to outdoor strong light display, but because the process difficulty is high, a single OLED display screen cannot be large in size, and therefore large-screen display can be realized by splicing a plurality of display panels together. When a plurality of display panels are spliced together, a splice joint can be generated between two adjacent display panels, and visual effect is affected. Disclosure of Invention An object of the present disclosure is to provide a display screen and a display device, which can reflect part of light to a splicing surface of the display screen through a reflection structure, so as to improve the problem that black edges appear on the spliced position of a plurality of spliced display screens. The embodiment of the disclosure provides a display screen, which is provided with a display surface and a splicing surface positioned at the side edge of the display surface, and the display screen comprises: A substrate; The organic light-emitting functional layer is formed on the substrate and comprises a plurality of organic light-emitting structures which are arranged in an array, and the organic light-emitting structures adjacent to the splicing surface are defined as edge light-emitting structures; the reflection structure is arranged on one side, away from the substrate, of the edge light-emitting structure, and at least comprises an inclined reflection part, wherein the inclined reflection part covers the edge part, close to the splicing surface, of the edge light-emitting structure, and in the direction close to the splicing surface, the inclined reflection part is inclined in the direction away from the edge light-emitting structure; and part of light rays emitted by the edge light-emitting structure are emitted to the display surface, and part of light rays are reflected to the splicing surface through the inclined reflecting part. In an exemplary embodiment of the present disclosure, the inclined reflecting portion includes a first reflecting layer and a second reflecting layer, the second reflecting layer being located at a side of the first reflecting layer away from the edge light emitting structure and spaced apart from the first reflecting layer; One end of the second reflecting layer far away from the splicing surface is arranged in a protruding mode relative to the first reflecting layer; in the direction close to the splicing surface, the first reflecting layer and the second reflecting layer are inclined towards the direction far away from the edge light-emitting structure. In an exemplary embodiment of the present disclosure, the inclined reflective part further includes a third reflective layer located at a side of the first reflective layer near the edge light emitting structure, the third reflective layer covering an edge portion of the edge light emitting structure near the junction surface, and in a direction near the junction surface, the third reflective layer is inclined in a direction away from the edge light emitting structure to be configured to reflect a portion of light emitted by the edge light emitting structure to the junction surface. In one exemplary embodiment of the present disclosure, the second reflective layer has a plurality of light-transmitting holes disposed therethrough. In an exemplary embodiment of the disclosure, the reflection structure includes a fourth reflection layer, where the fourth reflection layer is located on a side of the first reflection layer near the splicing surface and is connected to the first reflection layer, and an included angle between the fourth reflection layer and the display surface is smaller than an included angle between the first reflection layer and the display surface. In one exemplary embodiment of the present disclosure, the second reflective layer has a tilt angle greater than that of the first reflective layer. In one exemplary embodiment of the present disclosure, the display screen includes: The first organic packaging layer covers the substrate and the organic light-emitting functional layer, and one end of the first organic packaging layer, which is close to the splicing surface, is positioned between the first reflecting layer and the edge light-emitting structure; The second organic packaging layer covers the first organic packaging layer and the first reflecting layer, and one end of the second organic packaging layer, which is close to the splicing surface, is positioned between the first reflecting layer and the second reflecting layer; And a third organic encapsulation layer covering the second organic encapsulation layer and the second reflection layer. The embodiment of the disclosure also provides a display device,