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US 12,727,349 B2Granted
Display panel, pixel repair method and display device
AssigneeHubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
InventorXiao Chi
Life of this patent
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Abstract
A display panel, a pixel repair method of a display panel and a display device are provided. The display panel includes a plurality of light-emitting elements, a plurality of pixel driving circuit rows, a plurality of repair connection lines, a plurality of repair data lines, a plurality of repair driving circuits, an active layer and a first adapting structure. The plurality of repair driving circuits are arranged along the second direction, and a repair driving circuit is correspondingly provided with at least two repair data lines. In a direction perpendicular to the plane of the substrate of the display panel, the first adapting structure at least partially overlaps the two repair data lines.
Claims22
A display panel, comprising:
- a substrate;
- a display area and a non-display area at least partially surrounding the display area;
- a plurality of light-emitting elements and a plurality of pixel driving circuit rows, wherein the display area includes the plurality of light-emitting elements and the plurality of pixel driving circuit rows, the plurality of pixel driving circuit rows include a plurality of pixel driving circuits arranged in a first direction;
- and one of the plurality of pixel driving circuits is electrically connected to at least one light-emitting element of the plurality of light-emitting elements;
- a plurality of repair connection lines, a plurality of repair data lines and a plurality of repair driving circuits, wherein one of the plurality of pixel driving circuit rows is correspondingly provided with at least one of the plurality of repair driving circuits and at least one of the plurality of repair connection lines, in a direction perpendicular to a plane of the substrate, the pixel driving circuit row and the repair driving circuit at least partially overlap with a same repair connection line of the plurality of repair connection lines;
- an active layer and a first adapting structure, wherein the first adapting structure is located on a side of the active layer away from the substrate, the repair driving circuit includes a data writing transistor, the data writing transistor includes a channel and a first electrode located in the active layer, and the first adapting structure is electrically connected to the first electrode of the data writing transistor;
- and
- a plurality of the repair driving circuits arranged in a second direction, wherein one repair driving circuit of the plurality of driving circuits is correspondingly provided with at least two repair data lines of the plurality of repair data lines, the second direction intersects the first direction, in the direction perpendicular to the plane of the substrate, the first adapting structure at least partially overlaps with two repair data lines of the plurality of repair data lines.
5 more elements
A pixel repair method of a display panel, comprising:
- providing a display panel,
- wherein the display panel includes:
- a substrate;
- a display area and a non-display area at least partially surrounding the display area;
- a plurality of light-emitting elements and a plurality of pixel driving circuit rows, wherein the display area includes the plurality of light-emitting elements and the plurality of pixel driving circuit rows, the plurality of pixel driving circuit rows include a plurality of pixel driving circuits arranged in a first direction;
- and one of the plurality of pixel driving circuits is electrically connected to at least one light-emitting element of the plurality of light-emitting elements;
- a plurality of repair connection lines, a plurality of repair data lines and a plurality of repair driving circuits, wherein one of the plurality of pixel driving circuit rows is correspondingly provided with at least one of the plurality of repair driving circuits and at least one of the plurality of repair connection lines, in a direction perpendicular to a plane of the substrate, the pixel driving circuit row and the repair driving circuit at least partially overlap with a same repair connection line of the plurality of repair connection lines;
- an active layer and a first adapting structure, wherein the first adapting structure is located on a side of the active layer away from the substrate, the repair driving circuit includes a data writing transistor, the data writing transistor includes a channel and a first electrode located in the active layer, and the first adapting structure is electrically connected to the first electrode of the data writing transistor;
- and
- a plurality of the repair driving circuits arranged in a second direction, wherein one repair driving circuit of the plurality of driving circuits is correspondingly provided with at least two repair data lines of the plurality of repair data lines, the second direction intersects the first direction, in the direction perpendicular to the plane of the substrate, the first adapting structure at least partially overlaps with two repair data lines of the plurality of repair data lines;
- determining a defective pixel;
- disconnecting an electrical connection between a light-emitting element of the defective pixel and a corresponding pixel driving circuit;
- and
- electrically connecting the light-emitting element of the defective pixel with a corresponding repair connection line.
11 more elements
A display device, comprising:
- a display panel,
- wherein the display panel includes:
- a substrate;
- a display area and a non-display area at least partially surrounding the display area;
- a plurality of light-emitting elements and a plurality of pixel driving circuit rows, wherein the display area includes the plurality of light-emitting elements and the plurality of pixel driving circuit rows, the plurality of pixel driving circuit rows include a plurality of pixel driving circuits arranged in a first direction;
- and one of the plurality of pixel driving circuits is electrically connected to at least one light-emitting element of the plurality of light-emitting elements;
- a plurality of repair connection lines, a plurality of repair data lines and a plurality of repair driving circuits, wherein one of the plurality of pixel driving circuit rows is correspondingly provided with at least one of the plurality of repair driving circuits and at least one of the plurality of repair connection lines, in a direction perpendicular to a plane of the substrate, the pixel driving circuit row and the repair driving circuit at least partially overlap with a same repair connection line of the plurality of repair connection lines;
- an active layer and a first adapting structure, wherein the first adapting structure is located on a side of the active layer away from the substrate, the repair driving circuit includes a data writing transistor, the data writing transistor includes a channel and a first electrode located in the active layer, and the first adapting structure is electrically connected to the first electrode of the data writing transistor;
- and
- a plurality of the repair driving circuits arranged in a second direction, wherein one repair driving circuit of the plurality of driving circuits is correspondingly provided with at least two repair data lines of the plurality of repair data lines, the second direction intersects the first direction, in the direction perpendicular to the plane of the substrate, the first adapting structure at least partially overlaps with two repair data lines of the plurality of repair data lines.
7 more elements
Dependencies are inferred from the claim text.