Invention Publication
- Patent Title: DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY DEVICE
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Application No.: US18022525Application Date: 2022-03-17
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Publication No.: US20240040897A1Publication Date: 2024-02-01
- Inventor: Li SUN , Zhongyuan WU , Pan XU , Hongli WANG , Kaihong MA , Huaiting SHIH
- Applicant: BOE Technology Group Co., Ltd.
- Applicant Address: CN Beijing
- Assignee: BOE Technology Group Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.
- Current Assignee Address: CN Beijing
- Priority: CN 2110736015.4 2021.06.30
- International Application: PCT/CN2022/081465 2022.03.17
- Date entered country: 2023-02-22
- Main IPC: H10K59/80
- IPC: H10K59/80 ; H10K59/12

Abstract:
A display substrate includes a light-emitting structure layer provided on a base; the light-emitting structure layer includes an anode layer, a first film layer group, and a second film layer group that are sequentially stacked; the anode layer includes one or more anodes; the first film layer group includes at least one film layer located between an anode and a cathode in an OLED device; the second film layer group includes a cathode, and at least one film layer located between the anode and the cathode in the OLED device; the orthographic projection of the second film layer group on the base includes the orthographic projection of the first film layer group on the base, an overlapping portion of all film layers in the first film layer group serves as a first portion of the first film layer group.
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