Title:
DISPLAY SUBSTRATE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/242030
Kind Code:
A1
Abstract:
A display substrate and a display device provided in the present invention. The display substrate comprises: a base substrate; a black matrix, located above the base substrate, the black matrix comprising a plurality of first openings, each first opening comprising a first portion and a second portion, and the first portion being provided around the second portion; a pixel defining layer, located between the layer where the black matrix is located and the base substrate, the pixel defining layer comprising a plurality of second openings, an orthographic projection of the second opening on the base substrate overlapping with an orthographic projection of the second portion on the base substrate, and the orthographic projection of the second opening on the base substrate not overlapping with an orthographic projection of the first portion on the base substrate; a plurality of light-emitting devices, located between the layer where the black matrix is located and the base substrate, each light-emitting device comprising a reflective electrode, and the reflective electrode being provided at the second opening; and a shielding layer, located between the pixel defining layer and the base substrate, an orthographic projection of the shielding layer on the base substrate at least covering the orthographic projection of the first portion on the base substrate.
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Inventors:
HOU PENG (CN)
HE YUAN (CN)
WANG YUNHAO (CN)
HE YUAN (CN)
WANG YUNHAO (CN)
Application Number:
PCT/CN2021/126058
Publication Date:
November 24, 2022
Filing Date:
October 25, 2021
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
H01L51/52; H01L27/32
Foreign References:
| CN113285044A | 2021-08-20 | |||
| CN112106204A | 2020-12-18 | |||
| CN109560210A | 2019-04-02 | |||
| CN108493230A | 2018-09-04 | |||
| CN104094669A | 2014-10-08 | |||
| CN111326636A | 2020-06-23 | |||
| CN111384289A | 2020-07-07 | |||
| US10553662B2 | 2020-02-04 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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