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CN-224232294-U - Display panel and display device

CN224232294UCN 224232294 UCN224232294 UCN 224232294UCN-224232294-U

Abstract

The application relates to the field of display and discloses a display panel and a display device, wherein the display panel comprises a substrate and a plurality of sub-pixel units arranged on the substrate, each sub-pixel unit comprises a shared electrode wire, a flat layer and a pixel electrode, the shared electrode wire is arranged on one side of the substrate, the flat layer is arranged on one side of the shared electrode wire far away from the substrate, a first through hole is formed in the flat layer, the pixel electrode is arranged on one side of the flat layer far away from the substrate, part of the pixel electrode is arranged in the first through hole, and the shared electrode wire and the pixel electrode are overlapped in a setting area of the first through hole. Through the technical scheme, when the display panel is abnormal in display of a dark spot caused by the fact that the pixel electrode is in the open circuit state at the reserved position of the flat layer of the display panel, the pixel electrode is electrically connected with the shared electrode line by fusing the flat layer at the position where the first via hole is located, so that the shared electrode line can transmit signals to the pixel electrode, and the effect of repairing the dark spot of the pixel electrode is achieved.

Inventors

  • BAI YAMEI

Assignees

  • TCL华星光电技术有限公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (10)

  1. 1. A display panel comprising a substrate and a plurality of sub-pixel units disposed on the substrate, each sub-pixel unit comprising: a common electrode line provided on one side of the substrate; a flat layer arranged on one side of the shared electrode wire far away from the substrate, provided with a first via hole, and The pixel electrode is arranged on one side of the flat layer, which is far away from the substrate, and part of the pixel electrode is positioned in the first via hole; Wherein, in the arrangement region of the first via hole, the shared electrode line and the pixel electrode overlap.
  2. 2. The display panel according to claim 1, wherein the pixel electrode includes a first backbone electrode disposed in parallel with an extending direction of the common electrode line; the orthographic projection of the first via hole and the first trunk electrode on the flat layer is provided with an overlapping part.
  3. 3. The display panel of claim 2, wherein the pixel electrode further comprises a second backbone electrode disposed across the first backbone electrode; The first via hole is located in an intersection area of the first trunk electrode and the second trunk electrode.
  4. 4. The display panel of claim 2, wherein the sub-pixel unit further comprises: A common electrode line located between the substrate and the common electrode line, the common electrode line and the common electrode line extending in parallel and having an overlapping portion with the common electrode line; Wherein the common electrode line is disconnected from the region corresponding to the first via hole.
  5. 5. The display panel of claim 4, wherein an orthographic projection of the first via on the substrate is non-overlapping with an orthographic projection of the common electrode line on the substrate.
  6. 6. The display panel of claim 4, wherein a line width of the common electrode line is greater than a line width of the first stem electrode, and a line width of the first stem electrode is greater than a line width of the common electrode line.
  7. 7. The display panel of any one of claims 1 to 6, wherein a depth of the first via is less than or equal to a thickness of the flat layer.
  8. 8. The display panel of any one of claims 1 to 6, wherein each of the sub-pixel units further comprises: a first insulating layer disposed between the flat layer and the common electrode line; Wherein the first insulating layer is provided with a second via hole which is communicated with the first via hole, the pixel electrode passes through the first via hole and the second via hole to be electrically connected with the shared electrode line.
  9. 9. The display panel according to any one of claims 1 to 6, wherein the sub-pixel unit includes a first display region, a second display region, and a transistor arrangement region between the first display region and the second display region, the first display region having an area smaller than an area of the second display region; The first via hole is located in the second display area.
  10. 10. A display device comprising a display panel as claimed in any one of claims 1 to 9.

Description

Display panel and display device Technical Field The present application relates to the field of display technologies, and in particular, to a display panel and a display device. Background In order to repair the dark spots, the broken pixel electrodes are connected in a wiring manner between the pixel electrodes in the related art so as to repair the dark spots. But the use of wiring to repair dark spots can darken the brightness of the display panel. Disclosure of utility model The embodiment of the application provides a display panel, which can repair the dark spots of the display panel and ensure the overall brightness of the display panel at the same time so as to at least partially solve the technical problems. In order to achieve the above object, according to a first aspect of the present application, there is provided a display panel including a substrate and a plurality of sub-pixel units provided on the substrate, each of the sub-pixel units including: a common electrode line provided on one side of the substrate; a flat layer arranged on one side of the shared electrode wire far away from the substrate, provided with a first via hole, and The pixel electrode is arranged on one side of the flat layer, which is far away from the substrate, and part of the pixel electrode is positioned in the first via hole; Wherein, in the arrangement region of the first via hole, the shared electrode line and the pixel electrode overlap. Optionally, the pixel electrode includes a first main electrode, and the first main electrode is disposed parallel to an extending direction of the shared electrode line; the orthographic projection of the first via hole and the first trunk electrode on the flat layer is provided with an overlapping part. Optionally, the pixel electrode further includes a second main electrode disposed to cross the first main electrode; The first via hole is located in an intersection area of the first trunk electrode and the second trunk electrode. Optionally, the sub-pixel unit further includes: A common electrode line located between the substrate and the common electrode line, the common electrode line and the common electrode line extending in parallel and having an overlapping portion with the common electrode line; Wherein the common electrode line is disconnected from the region corresponding to the first via hole. Optionally, the orthographic projection of the first via on the substrate is not overlapped with the orthographic projection of the common electrode line on the substrate. Optionally, the line width of the common electrode line is greater than the line width of the first main electrode, and the line width of the first main electrode is greater than the line width of the common electrode line. Optionally, the depth of the first via is less than or equal to the thickness of the planar layer. Optionally, each of the sub-pixel units further includes: a first insulating layer disposed between the flat layer and the common electrode line; Wherein the first insulating layer is provided with a second via hole which is communicated with the first via hole, the pixel electrode passes through the first via hole and the second via hole to be electrically connected with the shared electrode line. Optionally, the sub-pixel unit includes a first display area, a second display area, and a transistor setting area located between the first display area and the second display area, where an area of the first display area is smaller than an area of the second display area; The first via hole is located in the second display area. According to a second aspect of the present application, there is provided a display device comprising a display panel as described above. The embodiment of the application provides a display panel which can repair dark spots and can not reduce the overall brightness of the display panel. In the display panel provided by the embodiment of the application, the display panel comprises a substrate and a plurality of sub-pixel units arranged on the substrate, each sub-pixel unit comprises a shared electrode wire, a flat layer and a pixel electrode, wherein the shared electrode wire is arranged on one side of the substrate, the flat layer is arranged on one side of the shared electrode wire far away from the substrate, a first via hole is formed in the flat layer, the pixel electrode is arranged on one side of the flat layer far away from the substrate, part of the pixel electrode is arranged in the first via hole, and the shared electrode wire and the pixel electrode are overlapped in a setting area of the first via hole. Through the technical scheme, the part of pixel electrodes are positioned in the first through holes of the flat layer, so that the vertical distance between the part of pixel electrodes and the shared electrode wires can be reduced, the reserved position of the flat layer of the display panel is realized, when the pixel electrodes are in an open circuit st