CN-118781921-B - Display panel, display device and preparation method of display panel

Abstract

The application discloses a display panel, a display device and a preparation method of the display panel, wherein the display panel comprises a substrate; the light-emitting device comprises a substrate, a light-emitting layer and a shading layer, wherein the light-emitting layer is positioned on one side of the substrate and comprises light-emitting units which are arranged at intervals, the shading layer is positioned on one side of the light-emitting layer far away from the substrate, an opening is formed in the shading layer, orthographic projection of at least part of the opening on the substrate overlaps with orthographic projection of the light-emitting units on the substrate, and a peep-proof part is arranged in the opening and used for blocking part of light rays with non-orthographic angles. The structure of the application can improve the peep-proof effect of the display panel.

Inventors

• PAN TENG
• LIU YADI

Assignees

• 合肥维信诺科技有限公司

Dates

Publication Date

20260508

Application Date

20240820

Claims (20)

1. 1. A display panel, the display panel comprising: A substrate; the light-emitting layer is positioned on one side of the substrate and comprises light-emitting units which are arranged at intervals; The light shielding layer is positioned at one side of the light emitting layer far away from the substrate, an opening is formed in the light shielding layer, orthographic projection of at least part of the opening on the substrate overlaps orthographic projection of the light emitting unit on the substrate, a peep-proof part is arranged in the opening and used for blocking part of light rays with non-orthographic viewing angles, and the peep-proof part comprises at least two peep-proof sub-parts; the filling part is at least filled between the adjacent peep-proof sub-parts, the filling part is a light filtering part, and at least part of the filling part is positioned at one side of the shading layer, which is away from the substrate; The light emitting units comprise first light emitting units, second light emitting units and third light emitting units which display different colors, the number of the light filtering parts is multiple, the light filtering parts comprise first light filtering parts, second light filtering parts and third light filtering parts, the first light emitting units are arranged corresponding to the first light filtering parts, the second light emitting units are arranged corresponding to the second light filtering parts, and the third light emitting units are arranged corresponding to the third light filtering parts; the first light emitting unit emits red light, the first light filtering part emits red light, the second light emitting unit emits green light, the second light filtering part emits green light, the third light emitting unit emits blue light, the third light filtering part emits blue light, or the first light emitting unit emits red light, the first light filtering part emits yellow light, the second light emitting unit emits green light, the second light filtering part emits yellow light, the third light emitting unit emits blue light, and the third light filtering part emits blue light.
2. 2. The display panel of claim 1, wherein the display panel comprises, The light shielding layer includes a black matrix layer.
3. 3. The display panel of claim 2, wherein the display panel comprises, The peep-proof part and the shading layer are made of the same material.
4. 4. The display panel according to claim 3, wherein, The peep-proof part and the shading layer are integrally formed.
5. 5. The display panel of claim 2, wherein the display panel comprises, The orthographic projection of the opening on the substrate is positioned in the orthographic projection of the light-emitting unit on the substrate, and the orthographic projection of the peep-proof part on the substrate is positioned in the orthographic projection of the light-emitting unit on the substrate.
6. 6. The display panel of claim 1, wherein the display panel comprises, The peep-proof part comprises two or more annular peep-proof sub-parts which are concentrically arranged, and the adjacent peep-proof sub-parts are arranged at intervals.
7. 7. The display panel of claim 6, wherein the display panel comprises, The orthographic projection of the light-emitting unit on the substrate is circular.
8. 8. The display panel of claim 1, wherein the display panel comprises, The peep-proof part comprises two or more peep-proof sub-parts arranged along a first direction and/or a second direction, the first direction and the second direction are intersected, and the first direction and the second direction are parallel to the substrate.
9. 9. The display panel of claim 8, wherein the display panel comprises, The first direction is perpendicular to the second direction.
10. 10. The display panel of claim 8, wherein the display panel comprises, The orthographic projection of the light emitting unit on the substrate is at least one of rectangular or diamond.
11. 11. The display panel according to claim 1, the display panel is characterized in that the display panel further comprises: And the flattening layer is positioned on one side of the shading layer away from the substrate.
12. 12. The display panel of claim 11, wherein the display panel comprises, The material of the filling part is semi-transparent material.
13. 13. The display panel of claim 12, wherein the display panel comprises, The filling part and the planarization layer are made of the same material, and the filling part and the planarization layer are integrally formed.
14. 14. The display panel according to claim 1, the display panel is characterized in that the display panel further comprises: The micro lens layer is positioned between the shading layer and the light emitting layer and comprises a first refraction part and a second refraction part, the first refraction part is arranged corresponding to the light emitting unit, and the refractive index of the first refraction part is larger than that of the second refraction part.
15. 15. The display panel of claim 14, wherein the display panel comprises, The surface of at least one side of the first refraction part is in a convex round shape.
16. 16. A display device comprising a display panel as claimed in any one of the preceding claims 1 to 15.
17. 17. A method for manufacturing a display panel, the method comprising: Providing a substrate; Preparing a light-emitting layer on one side of the substrate, wherein the light-emitting layer comprises light-emitting units arranged at intervals; Preparing a shading layer and a peep-proof part on one side of the luminous layer far away from the substrate through a patterning process, wherein an opening is formed in the shading layer, and orthographic projection of at least part of the opening on the substrate overlaps with orthographic projection of the luminous unit on the substrate, and the peep-proof part is arranged in the opening; The method further comprises the steps of: And preparing filling parts in the openings by using a patterning process, wherein the filling parts are at least filled between adjacent peep-proof sub-parts, and the filling parts are filter parts.
18. 18. The method of claim 17, wherein the process comprises, The peep-proof part and the shading layer are prepared by adopting the same patterning process.
19. 19. The method of manufacturing according to claim 17, wherein the method further comprises: and preparing a flattening layer on one side of the shading layer away from the substrate.
20. 20. The method of claim 17, wherein the process comprises, Before preparing the light shielding layer and the peep-proof part, the method further comprises: And preparing a micro-lens layer on one side of the light-emitting layer far away from the substrate, wherein the micro-lens layer comprises a first refraction part and a second refraction part, the first refraction part is arranged corresponding to the light-emitting unit, and the refractive index of the first refraction part is larger than that of the second refraction part.

Description

Display panel, display device and preparation method of display panel Technical Field The application relates to the technical field of display, in particular to a display panel, a display device and a preparation method of the display panel. Background In the current environment, which is increasingly focused on protecting personal privacy, the demand for a privacy display terminal is becoming increasingly important. The key point of peep prevention is to limit the brightness of a large viewing angle, but at present, a peep prevention film is usually attached on a display panel of a display terminal to achieve the peep prevention effect, but the peep prevention film is usually thicker, and how to integrate the peep prevention technology into the display panel to reduce the thickness of the display terminal becomes a key point of current research. Disclosure of Invention The application provides a display panel, a display device and a preparation method of the display panel, which can improve the peep-proof effect of the display panel. The application provides a display panel which comprises a substrate, a light-emitting layer and a shading layer, wherein the light-emitting layer is positioned on one side of the substrate and comprises light-emitting units which are arranged at intervals, the shading layer is positioned on one side of the light-emitting layer, which is far away from the substrate, an opening is formed in the shading layer, orthographic projection of at least part of the opening on the substrate is overlapped with orthographic projection of the light-emitting units on the substrate, and a peeping prevention part is arranged in the opening and used for blocking part of light rays with non-orthographic angles. In one embodiment, the light shielding layer includes a black matrix layer. Preferably, the peep-proof part is made of the same material as the light shielding layer. Preferably, the peep-proof part and the shading layer are integrally formed. Preferably, the front projection of the opening on the substrate is located within the front projection of the light emitting unit on the substrate, and the front projection of the peep preventing part on the substrate is located within the front projection of the light emitting unit on the substrate. In an embodiment, the peep-proof part comprises two or more annular peep-proof sub-parts concentrically arranged, and the adjacent peep-proof sub-parts are arranged at intervals. Preferably, the orthographic projection of the light emitting unit on the substrate is circular. In an embodiment, the peep-proof part comprises two or more peep-proof sub-parts arranged along a first direction and/or a second direction, the first direction and the second direction intersect, and the first direction and the second direction are parallel to the substrate. Preferably, the first direction and the second direction are perpendicular. Preferably, the orthographic projection of the light emitting unit on the substrate is at least one of rectangular or diamond. In one embodiment, the display panel further comprises a filling part at least filled between adjacent ones of the peep-preventing sub-parts. Preferably, at least part of the filling part is positioned on one side of the shading layer away from the substrate. In an embodiment, the filling portion is a filter portion. Preferably, the number of the light emitting units is multiple, the plurality of light emitting units comprise a first light emitting unit, a second light emitting unit and a third light emitting unit which display different colors, the number of the light filtering parts is multiple, the plurality of light filtering parts comprise a first light filtering part, a second light filtering part and a third light filtering part, the first light emitting unit is correspondingly arranged with the first light filtering part, the second light emitting unit is correspondingly arranged with the second light filtering part, and the third light emitting unit is correspondingly arranged with the third light filtering part. Preferably, the light emitting color of the first light emitting unit is red, the first light filtering part is a red light filtering part, the light emitting color of the second light emitting unit is green, the second light filtering part is a green light filtering part, the light emitting color of the third light emitting unit is blue, and the third light filtering part is a blue light filtering part. Preferably, the light emitting color of the first light emitting unit is red, the first light filtering part is a yellow light filtering part, the light emitting color of the second light emitting unit is green, the second light filtering part is a yellow light filtering part, the light emitting color of the third light emitting unit is blue, and the third light filtering part is a blue light filtering part. In one embodiment, the display panel further comprises a planarization layer, wherein