CN-118843344-B - Display module and display device

CN118843344BCN 118843344 BCN118843344 BCN 118843344BCN-118843344-B

Abstract

The application provides a display module and a display device, and relates to the technical field of display. The display module comprises at least one display panel, the display panel comprises an auxiliary structure positioned at the edge of the light-transmitting cover layer, the auxiliary structure is used for optimally guiding the light rays emitted from the edge of the light-transmitting cover layer, so that the light rays emitted from the edge of the light-transmitting cover layer are more deflected to be transmitted in the direction parallel to the plane where the light-transmitting cover layer is positioned, the problem that the light rays emitted from the edge of the light-transmitting cover layer are more concentrated to the light emitting direction of the display panel in the prior art is solved, the problem of bright lines at the edge during display of the display panel is solved, the problem of bright lines between spliced adjacent display panels due to the fact that the brightness at a splicing gap is large is solved, and the display effect of the display device is finally improved.

Inventors

ZHANG YUNYUAN

Assignees

天马新型显示技术研究院(厦门)有限公司

Dates

Publication Date: 20260505
Application Date: 20240628

Claims (17)

1. A display module, characterized in that the display module comprises at least one display panel, the display panel comprising: A substrate; the light-emitting functional layer is positioned on one side of the substrate; The light-transmitting cover layer is positioned on one side of the light-emitting functional layer, which is away from the substrate; The auxiliary structure is positioned at the edge of the light-transmitting cover layer, comprises a light-transmitting part connected with the end face of the light-transmitting cover layer, wherein the end face of the light-transmitting cover layer is positioned between the top face and the bottom face of the light-transmitting cover layer, and the end face of the light-transmitting cover layer is connected with the top face and the bottom face of the light-transmitting cover layer; on a reference plane parallel to the plane of the light-transmitting cover layer, overlapping and overlapping an edge line of the orthographic projection of the substrate on the reference plane and an edge line of the orthographic projection of the light-transmitting cover layer on the reference plane; the display module comprises at least two display panels, wherein the display panels are fixedly spliced, a splicing gap is formed between the light-transmitting cover layers of the two adjacent display panels, at least part of the auxiliary structure is positioned at the splicing gap, the auxiliary structures of the two adjacent display panels are contacted, and the orthographic projection of the auxiliary structures of the two adjacent display panels covers the orthographic projection of the splicing gap on a reference plane parallel to the plane of the light-transmitting cover layers.
2. The display module of claim 1, wherein the light-transmitting portion includes a top surface on a light-exiting direction side of the display panel, and the light-transmitting cover layer includes a top surface on a side facing away from the substrate; the top surface of the light-transmitting part is flush with the top surface of the light-transmitting cover layer.
3. The display module according to claim 1, wherein the first end face is located on a joint surface of the light-transmitting portion and the light-transmitting cover layer toward a bottom edge of the substrate side; Or the light-transmitting part comprises a bottom surface at one side of the display panel opposite to the light-emitting direction, and the bottom surface of the light-transmitting part is connected with the first end surface.
4. The display module of claim 1, wherein an orthographic projection of the first end face toward a bottom side of the substrate overlaps an orthographic projection of the substrate on a reference plane parallel to a plane on which the light-transmitting cover layer is located.
5. The display module according to claim 1, wherein the end face of the light transmitting portion further includes a second end face, and the second end face is located on a side of the first end face away from the substrate in a light emitting direction of the display panel; The second end face is inclined towards one side away from the light-transmitting covering layer along the light-emitting direction of the display panel, or is parallel to the light-emitting direction of the display panel.
6. The display module of claim 1, wherein the first end face is an inclined plane; or the first end face is an inner concave surface which is concave towards one side of the light-transmitting covering layer.
7. The display module of claim 1, wherein in a cross section parallel to the light emitting direction of the display panel and perpendicular to the edge of the light-transmitting cover layer adjacent to the light-transmitting portion, an inclined angle between an endpoint line between two endpoints of the first end surface and a plane in which the top surface of the light-transmitting cover layer is located is 60-85 degrees.
8. The display module of claim 1, wherein a thickness of at least a portion of the light-transmitting portion in a light-exiting direction of the display panel is inversely proportional to a degree of inclination of the first end surface corresponding to the light-transmitting portion.
9. The display module of claim 1, wherein the light-transmitting portion comprises a first sub-light-transmitting portion and a second sub-light-transmitting portion, the thickness of the first sub-light-transmitting portion in the light-emitting direction of the display panel being greater than the thickness of the second sub-light-transmitting portion in the light-emitting direction of the display panel, wherein the degree of inclination of the first end face of the first sub-light-transmitting portion is less than the degree of inclination of the first end face of the second sub-light-transmitting portion; And/or the display module comprises at least two display panels, wherein any two display panels are a first display panel and a second display panel, the thickness of at least part of the light-transmitting part of the first display panel is larger than that of at least part of the light-transmitting part of the second display panel, and the inclination degree of the first end face of the at least part of the light-transmitting part of the first display panel is smaller than that of the first end face of the at least part of the light-transmitting part of the second display panel.
10. The display module of claim 1, wherein the light-emitting functional layer comprises a plurality of light-emitting elements including a first light-emitting element adjacent an edge of the substrate; At least a part of the distance from the first light emitting element to the light transmitting part is inversely proportional to the inclination degree of the first end face corresponding to the first light emitting element.
11. The display module of claim 1, wherein the light-emitting functional layer comprises a plurality of light-emitting elements including a first light-emitting element adjacent an edge of the substrate, wherein: The light transmission part comprises a first sub light transmission part and a second sub light transmission part, wherein the distance between the first sub light transmission part and the adjacent first light emitting element is larger than the distance between the second sub light transmission part and the adjacent first light emitting element, and the inclination degree of the first end face of the first sub light transmission part is smaller than that of the second sub light transmission part; And/or the display module comprises at least two display panels, wherein any two display panels are a first display panel and a second display panel, the distance from at least part of light transmitting parts in the first display panel to adjacent first light emitting elements is greater than the distance from at least part of light transmitting parts in the second display panel to adjacent first light emitting elements, and the inclination degree of the first end face of at least part of light transmitting parts in the first display panel is smaller than the inclination degree of the first end face of at least part of light transmitting parts in the second display panel.
12. The display module of claim 1, wherein the auxiliary structure further comprises a light absorbing layer; the light-transmitting portion includes an end face facing away from one side of the light-transmitting cover layer, wherein the light-absorbing layer covers at least part of the end face of the light-transmitting portion.
13. The display module of claim 12, wherein the light absorbing layer is a light absorbing film; or the light absorbing layer is a carbonized surface of the light transmitting portion.
14. The display module of claim 1, wherein the light transmissive portion and the light transmissive cover layer are of unitary continuous construction.
15. The display module of claim 1, wherein the light-emitting functional layer comprises a plurality of light-emitting elements, the light-emitting elements comprising a first light-emitting element adjacent to an edge of the substrate, a light-emitting surface of the first light-emitting element being inclined toward the auxiliary structure.
16. A display module, characterized in that the display module comprises at least one display panel, the display panel comprising: A substrate; the light-emitting functional layer is positioned on one side of the substrate; The light-transmitting cover layer is positioned on one side of the light-emitting functional layer, which is away from the substrate; The auxiliary structure is positioned at the edge of the light-transmitting cover layer, comprises a light-transmitting part connected with the end face of the light-transmitting cover layer, wherein the end face of the light-transmitting cover layer is positioned between the top face and the bottom face of the light-transmitting cover layer, and the end face of the light-transmitting cover layer is connected with the top face and the bottom face of the light-transmitting cover layer; on a reference plane parallel to the plane of the light-transmitting cover layer, overlapping and overlapping an edge line of the orthographic projection of the substrate on the reference plane and an edge line of the orthographic projection of the light-transmitting cover layer on the reference plane; The auxiliary structure is used for guiding the light rays emitted from the edge of the light-transmitting cover layer, so that the light rays emitted from the edge of the light-transmitting cover layer are deflected to be transmitted in the direction parallel to the plane where the light-transmitting cover layer is located, and the edge bright line of the display panel during display is improved.
17. A display device comprising the display module of any one of claims 1-16.

Description

Display module and display device Technical Field The present application relates to the field of display technologies, and in particular, to a display module and a display device. Background With the continuous development of display technology, the manufacturing technology of the display screen is gradually mature, the large-size screen is widely applied to various occasions indoors and outdoors, and the large-size spliced display screen is favored by more and more users due to the advantages of portability, low failure rate, long service life, low power consumption and the like. But there is the splice gap when splicing between the adjacent display panels in current splice display screen, splice gap department luminance is great at splice display screen during operation, has influenced splice display screen's picture display effect. Disclosure of Invention In view of the above, the present application provides a display module and a display device, so as to achieve the purpose of improving the display effect of the display device. The specific scheme is as follows: the application provides a display module, which comprises at least one display panel, wherein the display panel comprises: A substrate; the light-emitting functional layer is positioned on one side of the substrate; The light-transmitting cover layer is positioned on one side of the light-emitting functional layer, which is away from the substrate; And an auxiliary structure located at an edge of the light-transmitting cover layer. Based on the same inventive concept, the application also provides a display device, which comprises the display module. By means of the technical scheme, in the display module and the display device, the display module comprises at least one display panel, the display panel comprises the auxiliary structure positioned at the edge of the light-transmitting cover layer, the auxiliary structure is used for optimally guiding the light rays emitted from the edge of the light-transmitting cover layer, so that the light rays emitted from the edge of the light-transmitting cover layer are more deflected to be transmitted in the direction parallel to the plane where the light-transmitting cover layer is positioned, the problem that the light rays emitted from the edge of the light-transmitting cover layer are more concentrated to the light emitting direction of the display panel in the prior art is solved, the problem of bright lines at the edge when the display panel displays is solved, the problem of bright lines between spliced adjacent display panels due to large brightness at the splicing gaps is solved, and finally the display effect of the display device is improved. Drawings The above and other features, advantages, and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. The same or similar reference numbers will be used throughout the drawings to refer to the same or like elements. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale. Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present application; FIG. 2 is a schematic diagram of another display module according to an embodiment of the present application; Fig. 3 is a schematic structural diagram of another display module according to an embodiment of the application; Fig. 4 is a schematic structural diagram of another display module according to an embodiment of the application Fig. 5 is a schematic structural diagram of another display module according to an embodiment of the present application; fig. 6 is a schematic structural diagram of another display module according to an embodiment of the application; Fig. 7 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 8 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 9 is a schematic structural diagram of another display module according to an embodiment of the application; Fig. 10 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 11 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 12 is a schematic structural diagram of another display module according to an embodiment of the present application; fig. 13 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 14 is a schematic structural diagram of another display module according to an embodiment of the application; fig. 15 is a schematic structural diagram of another display module according to an embodiment of the present application; fig. 16 is a schematic structural diagram of another display module according