CN-122018199-A - Display panel and spliced display device

Abstract

The application discloses a display panel and a spliced display device, relates to the technical field of display, and is used for improving the regulation and control effect on the light emitting shape of the display panel. The display panel comprises a light emitting device layer and a light emitting control layer, wherein the light emitting device layer comprises a first light emitting device and a second light emitting device with different light emitting colors, the light emitting control layer comprises a basal layer, a first control structure and a second control structure which are respectively corresponding to the first light emitting device and the second light emitting device are arranged on the basal layer, the first control structure and the second control structure respectively have materials with different optical characteristics, and/or the first section of the first control structure and the second section of the second control structure are different in shape along the thickness direction of the display panel.

Inventors

• Nie Junyang

Assignees

• TCL华星光电技术有限公司

Dates

Publication Date

20260512

Application Date

20260320

Claims (11)

1. 1. The display panel is characterized by comprising a light emitting device layer and a light emitting regulation layer covering the light emitting device layer, wherein the light emitting device layer comprises a first light emitting device and a second light emitting device with different light emitting colors, the light emitting regulation layer comprises a basal layer, a first regulation structure and a second regulation structure are arranged on the basal layer, the orthographic projection of the first regulation structure on the basal layer is positioned on at least one side of the orthographic projection of the first light emitting device on the basal layer, and the orthographic projection of the second regulation structure on the basal layer is positioned on at least one side of the orthographic projection of the second light emitting device on the basal layer; Wherein the first regulatory structure and the second regulatory structure meet at least one of the following conditions: the first regulating structure and the second regulating structure are respectively provided with materials with different optical characteristics; the first section of the first regulating structure and the second section of the second regulating structure are different in shape along the thickness direction of the display panel.
2. 2. The display panel of claim 1, wherein the first regulation structure comprises a first groove formed in a side of the base layer facing away from the light emitting device layer, and the second regulation structure comprises a second groove formed in a side of the base layer facing away from the light emitting device layer; The first groove and the second groove have different cross-sectional shapes along a thickness direction of the display panel.
3. 3. The display panel according to claim 2, wherein the first groove and the second groove are different in depth, and/or The first groove and the second groove have sidewalls of different shapes, respectively.
4. 4. The display panel of claim 1, wherein a first accommodating groove and a second accommodating groove are formed in a side of the substrate layer facing away from the light emitting device layer, the first regulating structure is disposed in the first accommodating groove, the second regulating structure is disposed in the second accommodating groove, and the first regulating structure and the second regulating structure are respectively made of materials having different optical characteristics.
5. 5. The display panel of claim 4, wherein the optical characteristic comprises at least one of refractive index, absorbance, and haze.
6. 6. The display panel of claim 4, wherein at least one of the first and second modulating structures comprises a light shielding material or a color blocking material.
7. 7. The display panel of claim 4, wherein the first and second modulating structures each comprise a transparent material, wherein, The first regulating structure and the second regulating structure have different heights, and/or The first regulating structure and the second regulating structure are respectively provided with side walls with different shapes.
8. 8. The display panel according to any one of claims 1 to 7, wherein the light-emitting device layer further includes a third light-emitting device having a light-emitting color different from the first light-emitting device and the second light-emitting device; The substrate layer is also provided with a third regulating structure, and the orthographic projection of the third regulating structure on the substrate layer is positioned on at least one side of the orthographic projection of the third light-emitting device on the substrate layer; Wherein the third regulatory structure and the first regulatory structure meet at least one of the following conditions: the third regulation structure and the first regulation structure are respectively provided with materials with different optical characteristics; the third section of the third regulating structure is different from the first section of the first regulating structure in the thickness direction of the display panel.
9. 9. A tiled display device comprising the display panel of any of claims 1-8.
10. 10. The tiled display arrangement according to claim 9, further comprising a plurality of liquid crystal panels, wherein a tiled seam is provided between two adjacent liquid crystal panels, wherein the display panels cover the tiled seam, and wherein the first light emitting device and the second light emitting device are light emitting diodes or organic light emitting diodes.
11. 11. The tiled display arrangement according to claim 10, wherein the liquid crystal panel and the display panel are arranged in a first direction in which orthographic projections of the first modulating structure on the substrate layer are located on opposite sides of orthographic projections of the first light emitting device on the substrate layer and orthographic projections of the second modulating structure on the substrate layer are located on opposite sides of orthographic projections of the second light emitting device on the substrate layer.

Description

Display panel and spliced display device Technical Field The application relates to the technical field of display, in particular to a display panel and a spliced display device. Background In the related art, in order to improve the light-emitting shape of the display panel, a light-emitting control film layer is generally disposed on the display panel, and the control structures in each region of the light-emitting control film layer are consistent. However, this structure has limited effect of controlling the light-emitting shape of the display panel. Disclosure of Invention The embodiment of the application provides a display panel and a spliced display device, which are used for at least improving the regulation and control effect on the light-emitting shape of the display panel. In order to achieve the above object, according to a first aspect of the present application, there is provided a display panel including a light emitting device layer and a light emission controlling layer covering the light emitting device layer, the light emitting device layer including first and second light emitting devices having different light emission colors, the light emission controlling layer including a base layer on which first and second controlling structures are provided, an orthographic projection of the first controlling structure on the base layer being located on at least one side of an orthographic projection of the first light emitting device on the base layer, an orthographic projection of the second controlling structure on the base layer being located on at least one side of an orthographic projection of the second light emitting device on the base layer; The first regulating structure and the second regulating structure meet at least one of the following conditions that the first regulating structure and the second regulating structure respectively have materials with different optical characteristics, and the first section of the first regulating structure and the second section of the second regulating structure are different in shape along the thickness direction of the display panel. In some embodiments, the first regulation structure comprises a first groove formed in one side of the substrate layer, which is away from the light-emitting device layer, and the second regulation structure comprises a second groove formed in one side of the substrate layer, which is away from the light-emitting device layer, and the cross-sectional shapes of the first groove and the second groove are different along the thickness direction of the display panel. In some embodiments, the first groove and the second groove are different in depth. In some embodiments, the first groove and the second groove each have differently shaped sidewalls. In some embodiments, a first accommodating groove and a second accommodating groove are formed in one side, facing away from the light emitting device layer, of the substrate layer, the first regulating structure is disposed in the first accommodating groove, the second regulating structure is disposed in the second accommodating groove, and the first regulating structure and the second regulating structure are respectively made of materials with different optical characteristics. In some embodiments, the optical characteristic includes at least one of refractive index, absorbance, and haze. In some embodiments, at least one of the first and second modulating structures comprises a light shielding material or a color blocking material. In some embodiments, the first and second modulating structures each comprise a transparent material, wherein the heights of the first and second modulating structures are different. In some embodiments, the first and second modulating structures each comprise a transparent material, wherein the first and second modulating structures each have differently shaped sidewalls. In some embodiments, the light emitting device layer further comprises a third light emitting device, the light emitting color of the third light emitting device is different from that of the first light emitting device and the second light emitting device, a third regulating structure is further arranged on the substrate layer, the orthographic projection of the third regulating structure on the substrate layer is located on at least one side of the orthographic projection of the third light emitting device on the substrate layer, at least one of the third regulating structure and the first regulating structure is met, the third regulating structure and the first regulating structure are respectively provided with materials with different optical characteristics, and the third section of the third regulating structure and the first section of the first regulating structure are different along the thickness direction of the display panel. According to a second aspect of the present application, there is provided a tiled display device, including a display panel according to any