IP Library › Granted Patent US 11,277,930
Granted Patent B2
US 11,277,930 · App. 16/090,967 · Granted Mar 15, 2022

Method of manufacturing display substrate and display substrate motherboard

Inventors: Zhongying Yang (Beijing, CN); Jianpeng Wu (Beijing, CN)
Assignees: BOE TECHNOLOGY GROUP CO., LTD.; CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., TLD.
H05K7/1429G06F1/184H05K1/181H01L27/3283H01L51/56H05K2201/10128H05K2201/10204
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Quick Facts
Patent No.
US 11,277,930
App. No.
16/090,967
Granted
Mar 15, 2022
Kind
B2
Abstract

A method of manufacturing a display substrate and a display substrate motherboard. The method of manufacturing the display substrate includes: providing a base substrate including a first main surface and a second main surface opposite to each other and divided into at least one active region and a dummy region located around the active region; forming a magnetic layer on at least one of the first main surface within the dummy region and the second main surface; and forming an element layer on the first main surface.

Claims (28)

1. A method of manufacturing a display substrate, comprising:

providing a base substrate having a first main surface and a second main surface opposite to each other and including at least one active region and a dummy region located around the active region;

forming a magnetic layer on the first main surface within the dummy region; and

forming an element layer on the first main surface.

2. The method according to claim 1 , wherein forming the element layer on the first main surface comprises:

placing the base substrate formed with the magnetic layer thereon into an evaporation device including an evaporation source and a magnetic absorption layer; and

performing an evaporation process on the first main surface to form the element layer;

wherein the base substrate is located between the magnetic adsorption layer and the evaporation source, and the magnetic adsorption layer is located on a side of the second main surface of the base substrate.

3. The method according to claim 1 , wherein

an orthographic projection of the magnetic layer on the first main surface is located within or coincides with the dummy region.

4. The method according to claim 1 , further comprising:

mounting a mask on a side of the first main surface of the substrate before the evaporation process.

5. The method according to claim 1 , wherein

the element layer comprises at least one selected from the group consisting of an anode, a cathode and an organic layer between the anode and the cathode of a light emitting device.

6. The method according to claim 1 , wherein

the element layer is at least formed in the active region.

7. The method according to claim 1 , wherein

the at least one active region comprises a plurality of active regions arranged at intervals, and the dummy region is disposed between adjacent active regions.

8. The method according to claim 1 , further comprising:

cutting off the dummy region of the substrate.

9. The method according to claim 2 , wherein

an orthographic projection of the magnetic layer on the first main surface is located within or coincides with the dummy region.

10. A display substrate motherboard, comprising:

a base substrate having a first main surface and a second main surface opposite to each other and including at least one active region and a dummy region located around the active region;

a magnetic layer on the first main surface within the dummy region; and

an element layer on the first main surface.

11. The display substrate motherboard according to claim 10 , wherein

the element layer is at least formed in the active region.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2018
From: YANG, ZHONGYING
To: BOE TECHNOLOGY GROUP CO., LTD.; CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 047057/0145 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2018
From: WU, JIANPENG
To: BOE TECHNOLOGY GROUP CO., LTD.; CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 047057/0218 →
Priority Claims (1)
CN 201710377934.0 · May 25, 2017 · national
Continuity (1)
Related Publication 20210185844A1 · Jun 17, 2021