CN-121985697-A - Display panel and display device

CN121985697ACN 121985697 ACN121985697 ACN 121985697ACN-121985697-A

Abstract

The embodiment of the invention provides a display panel and a display device, wherein the display panel comprises a driving substrate, a first electrode, a micro lens, a refraction repair unit and a refraction repair unit, wherein the driving substrate comprises a driving circuit, an insulating layer is arranged on the surface of the driving circuit, the first electrode is arranged on one side of the insulating layer far away from the driving substrate, a through hole is formed in the edge of the first electrode, the first electrode is connected with the driving circuit through the through hole, the micro lens is positioned on one side of the first electrode far away from the driving substrate and corresponds to the first electrode, the front projection of the micro lens on the driving substrate at least partially covers the through hole, the refraction repair unit corresponds to the first electrode and comprises a refraction surface close to one side of the through hole, and the front projection of the refraction repair unit on the driving substrate is not overlapped with the front projection of the micro lens on the driving substrate.

Inventors

WANG HAILIANG
LI RUIBO
LIANG JING
TIAN FENGXIAN
WANG SHIRONG
YUAN TAO
YANG SHENGJI

Assignees

京东方科技集团股份有限公司
云南创视界光电科技有限公司
北京京东方技术开发有限公司

Dates

Publication Date: 20260505
Application Date: 20260227

Claims (10)

1. A display panel, comprising: The driving substrate comprises a driving circuit, and an insulating layer is arranged on the surface of the driving circuit; The first electrode is arranged on one side, far away from the driving substrate, of the insulating layer, a through hole is formed in the edge of the first electrode, and the first electrode is connected with the driving circuit through the through hole; the micro lens is positioned at one side of the first electrode far away from the driving substrate and corresponds to the first electrode, and the orthographic projection of the micro lens on the driving substrate at least partially covers the via hole; And the refraction repair unit corresponds to the first electrode and comprises a refraction surface close to one side of the via hole, and the orthographic projection of the refraction repair unit on the driving substrate and the orthographic projection of the micro lens on the driving substrate are not overlapped.
2. The display panel according to claim 1, wherein the refraction repairing unit is provided in the same layer as the microlens, the refraction surface includes a first refraction surface and a second refraction surface, the first refraction surface is located on a side of the refraction repairing unit away from the driving substrate and extends obliquely in a direction away from the microlens and away from the driving substrate toward one end of the microlens, the second refraction surface is located on a side of the refraction repairing unit toward the driving substrate, and the second refraction surface is parallel to the driving substrate.
3. The display panel according to claim 1, wherein the refraction repairing unit is provided in the same layer as the microlens, the refraction surface includes a first refraction surface and a second refraction surface, the first refraction surface is located on a side of the refraction repairing unit facing the driving substrate and extends obliquely in a direction away from the microlens and close to the driving substrate toward one end of the microlens, the second refraction surface is located on a side of the refraction repairing unit away from the driving substrate, and the second refraction surface is parallel to the driving substrate.
4. A display panel according to claim 2 or 3, wherein a laminating adhesive layer is filled on one side of the first refractive surface, a first transparent film layer is arranged between the refractive repair unit and the via hole, and the refractive index of the refractive repair unit is greater than the refractive index of the laminating adhesive layer and is less than or equal to the refractive index of the first transparent film layer.
5. The display panel according to claim 1, wherein a first flat layer and a filter layer are laminated between the first electrode and the microlens, and the refraction repairing unit is provided in the same layer as the first flat layer; The refraction surface comprises a first refraction surface and a second refraction surface, the first refraction surface is positioned at one side of the refraction repairing unit, which is far away from the driving substrate, and obliquely extends along one end, which is towards the micro lens, in a direction away from the micro lens and away from the driving substrate, the second refraction surface is positioned at one side of the refraction repairing unit, which is towards the driving substrate, and the second refraction surface is parallel to the driving substrate; the first flat layer is filled between the first refraction surface and the filter layer.
6. The display panel according to claim 1, wherein a packaging layer, a first flat layer, and a filter layer are stacked between the first electrode and the microlens, and the refraction repairing unit is provided in the same layer as the first flat layer; The refraction surface comprises a first refraction surface and a second refraction surface, the first refraction surface is positioned on one side of the refraction repairing unit, which faces the driving substrate, and extends obliquely along one end, which faces the micro lens, in a direction away from the micro lens and close to the driving substrate, the second refraction surface is positioned on one side, away from the driving substrate, of the refraction repairing unit, and the second refraction surface is parallel to the driving substrate; The first flat layer is filled between the first refraction surface and the packaging layer.
7. The display panel according to claim 5 or 6, wherein a second transparent film layer is provided between the refraction repairing unit and the via hole, and a refractive index of the refraction repairing unit is greater than a refractive index of the first flat layer and less than or equal to a refractive index of the second transparent film layer.
8. The display panel of claim 1, wherein the front projection of the refraction repair unit at the driving substrate does not overlap with the front projection of the micro-lens at the driving substrate.
9. The display panel of claim 1, wherein a dimension of the front projection of the refractive surface on the drive substrate is greater than a dimension of the front projection of the via on the drive substrate.
10. A display device comprising the display panel according to any one of claims 1 to 9.

Description

Display panel and display device Technical Field The present invention relates to the field of display technologies, and in particular, to a display panel and a display device. Background With the continuous development of display technology, silicon-based OLED (Organic LIGHT EMITTING Diode) display products have been widely focused by people due to their advantages of high resolution, low power consumption, small volume, light weight, high contrast, etc., and have a good application prospect in the near-to-eye display industry with high resolution, such as wearable devices, industrial security, medical treatment, etc., and are developing toward the directions of high color gamut and high brightness. Because the high-resolution design of the silicon-based OLED generally requires high brightness, a brightening Micro lens (Micro lens) is added in the product design, bright spots are easy to be perceived by users in practical application, display experience is influenced, and in order to pursue a larger light-gathering effect, the diameter of the Micro lens is larger than the opening of a pixel definition layer under the general design, so that the Micro lens can partially or completely cover a through hole connected with an anode and a driving circuit in the orthographic projection of a driving substrate, and when repairing is carried out by a method of directly damaging the anode by laser, the light spots of the laser are enlarged due to the back diffusion effect of the Micro lens, and corresponding bright spot pixels cannot be effectively removed at fixed points, so that difficulty is brought to the bright spot repairing. Disclosure of Invention The embodiment of the invention aims to provide a display panel and a display device, which are used for solving the problem that a silicon-based OLED display panel is difficult to effectively repair a display bright spot. The specific technical scheme is as follows: In a first aspect of the present application, there is provided a display panel comprising: The driving substrate comprises a driving circuit, and an insulating layer is arranged on the surface of the driving circuit; The first electrode is arranged on one side, far away from the driving substrate, of the insulating layer, a through hole is formed in the edge of the first electrode, and the first electrode is connected with the driving circuit through the through hole; the micro lens is positioned at one side of the first electrode far away from the driving substrate and corresponds to the first electrode, and the orthographic projection of the micro lens on the driving substrate at least partially covers the via hole; And the refraction repair unit corresponds to the first electrode and comprises a refraction surface close to one side of the via hole, and the orthographic projection of the refraction repair unit on the driving substrate and the orthographic projection of the micro lens on the driving substrate are not overlapped. In some embodiments, the refraction repair unit and the micro lens are arranged in the same layer, the refraction surface comprises a first refraction surface and a second refraction surface, the first refraction surface is located on one side of the refraction repair unit away from the driving substrate and obliquely extends along one end towards the micro lens in a direction away from the micro lens and away from the driving substrate, the second refraction surface is located on one side of the refraction repair unit towards the driving substrate, and the second refraction surface is parallel to the driving substrate. In some embodiments, the refraction repairing unit and the micro lens are arranged in the same layer, the refraction surface comprises a first refraction surface and a second refraction surface, the first refraction surface is located on one side of the refraction repairing unit facing the driving substrate and obliquely extends along one end facing the micro lens in a direction away from the micro lens and close to the driving substrate, the second refraction surface is located on one side of the refraction repairing unit away from the driving substrate, and the second refraction surface is parallel to the driving substrate. In some embodiments, a laminating adhesive layer is filled on one side of the first refractive surface, a first transparent film layer is arranged between the refractive repair unit and the via hole, and the refractive index of the refractive repair unit is greater than the refractive index of the laminating adhesive layer and is less than or equal to the refractive index of the first transparent film layer. In some embodiments, a first flat layer and a filter layer are laminated between the first electrode and the microlens, and the refraction repairing unit is arranged on the same layer as the first flat layer; The refraction surface comprises a first refraction surface and a second refraction surface, the first refraction surface is pos