US 2022/0102462 A1 · Display Substrate and Preparation Method Thereof, Bonding Method of Display Panel, and Display Apparatus

Abstract

Provided are a display substrate, a preparation method thereof, a method for bonding a display panel, and a display apparatus. The display substrate includes a display region and a bezel region, the display region includes multiple corner regions and the corner regions include a corner display region and a blank corner cutting region which are alternately disposed. The corner display region includes a composite wiring layer disposed on a base substrate, a drive structure layer disposed on the composite wiring layer and light-emitting elements disposed on the drive structure layer. The composite wiring layer includes a first wiring layer, a second wiring layer and a first insulating layer disposed between the first wiring layer and the second wiring layer. The drive structure layer includes a pixel drive circuit and multiple connection electrodes. The first wiring layer includes a gate line, and the second wiring layer includes a data line.

Claims14

Dependent claims

A display substrate, comprising a display region and a bezel region, wherein the display region comprises a plurality of corner regions, and at least one of the plurality of corner regions comprises a corner display region and a blank corner cutting region which are alternately disposed;

the corner display region comprises a composite wiring layer disposed on a base substrate, a drive structure layer disposed on the composite wiring layer and a light-emitting element disposed on the drive structure layer;
the composite wiring layer comprises a first wiring layer, a second wiring layer and a first insulating layer disposed between the first wiring layer and the second wiring layer;
the drive structure layer comprises a pixel drive circuit and a plurality of connection electrodes;
and
the first wiring layer comprises a gate line, and the second wiring layer comprises a data line, wherein the gate line, the data line and the light-emitting element are connected to the pixel drive circuit through the plurality of connection electrodes.

2 more elements

A method for preparing a display substrate, wherein the display substrate comprises a display region and a bezel region, the display region comprises a plurality of corner regions, and at least one of the plurality of corner regions comprises a corner display region and a blank corner cutting region which are alternately disposed, the preparation method comprises:

forming a composite wiring layer on a base substrate, wherein the composite wiring layer of the corner display region comprises a first wiring layer, a second wiring layer and a first insulating layer disposed between the first wiring layer and the second wiring layer, wherein the first wiring layer comprises a gate line and the second wiring layer comprises a data line;
forming a drive structure layer on the composite wiring layer, wherein the drive structure layer of the corner display region comprises a pixel drive circuit and a plurality of connection electrodes;
forming a light-emitting element on the drive structure layer, removing all film layer structures in the blank corner cutting region, wherein the gate line, the data line, and the light-emitting element are connected to the pixel drive circuit through the plurality of connection electrodes.

A method for bonding a display panel, wherein the display panel comprises a display region and a bezel region, the display region comprises a plurality of corner regions, and at least one of the plurality of corner regions comprises a corner display region and a blank corner cutting region which are alternately disposed;

and the bonding method comprises:
forming an optical adhesive layer on a side of the display panel facing a cover plate, wherein the optical adhesive layer comprises a plurality of first fan-shaped regions and first opening regions which are alternately disposed;
an orthographic projection of the corner display region on the display panel comprises an orthographic projection of the first fan-shaped regions on the display panel, and an orthographic projection of the first opening regions on the display panel comprises an orthographic projection of the blank corner cutting region on the display panel;
bonding a back film on a side of the display panel away from the cover plate;
pulling the display panel through a carrier film for copying;
and
bonding the display panel to the cover plate, and removing the carrier film.

4 more elements

Dependencies are inferred from the claim text.

Display Substrate and Preparation Method Thereof, Bonding Method of Display Panel, and Display Apparatus

Life of this patent

Display Substrate and Preparation Method Thereof, Bonding Method of Display Panel, and Display Apparatus

Life of this patent

Abstract

Claims14