Title:
ELECTROLUMINESCENT DISPLAY SUBSTRATE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/077873
Kind Code:
A1
Abstract:
Provided are an electroluminescent display substrate and a display device. The display substrate comprises: a base substrate; a display light-emitting element provided on the base substrate, the display light-emitting element comprising a light-emitting layer for emitting light; a package structure provided on the base substrate and covering the display light-emitting element; a light shielding structure provided on the side of the package structure distant from the base substrate; and a hole, the hole running through at least the package structure. The light shielding structure comprises a first light shielding portion and a second light shielding portion which extend continuously, the vertical distance between the first light shielding portion and the base substrate is greater than the vertical distance between the light-emitting layer of the display light-emitting element and the base substrate, and the vertical distance between at least a part of the second light shielding portion and the base substrate is less than the vertical distance between the light-emitting layer of the display light-emitting element and the base substrate.
Inventors:
KO YOUNGYIK (CN)
HUANG WEIYUN (CN)
ZENG CHAO (CN)
HUANG YIZHEN (CN)
HUANG WEIYUN (CN)
ZENG CHAO (CN)
HUANG YIZHEN (CN)
Application Number:
PCT/CN2020/109286
Publication Date:
April 29, 2021
Filing Date:
August 14, 2020
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
H01L27/32; H01L51/52
Foreign References:
| CN110729334A | 2020-01-24 | |||
| CN110265470A | 2019-09-20 | |||
| CN110212113A | 2019-09-06 | |||
| CN110112150A | 2019-08-09 | |||
| US20150187857A1 | 2015-07-02 | |||
| US20150115297A1 | 2015-04-30 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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