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Title:
DISPLAY APPARATUS, DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/226941
Kind Code:
A1
Abstract:
The present disclosure relates to the technical field of display, and provides a display apparatus, a display substrate and a preparation method therefor. The display substrate comprises a display area and a frame area surrounding the display area, and comprises: a driving circuit layer, which is provided on a substrate; an insulating material structure, which is provided on the driving circuit layer and located in the display area and at least part of the frame area, the edge of the insulating material structure being provided with a stepped structure; a light-emitting layer, which is provided on the insulating material structure; a package layer, which covers the light-emitting layer; a first retaining wall, which is provided on the driving circuit layer and surrounds the insulating material structure, the edge being the edge of the insulating material structure adjacent to the first retaining wall; and a conductive connection structure, which is provided in the insulating material structure, the conductive connection structure being electrically connected to the driving circuit layer. The present disclosure can avoid the problem of a bad circuit.

Inventors:
CAI JIANCHANG (CN)
HUANG YAO (CN)
LONG YUE (CN)
ZHANG YUXIN (CN)
QIN YUEJIAO (CN)
Application Number:
PCT/CN2021/091181
Publication Date:
November 03, 2022
Filing Date:
April 29, 2021
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
H01L27/32; H01L21/77; H01L51/52
Domestic Patent References:
WO2020145449A12020-07-16
Foreign References:
CN111261670A2020-06-09
CN211238254U2020-08-11
CN110246879A2019-09-17
CN110634390A2019-12-31
CN110611047A2019-12-24
CN112366220A2021-02-12
US20200411629A12020-12-31
CN110165071A2019-08-23
CN112133729A2020-12-25
CN110277506A2019-09-24
CN111162097A2020-05-15
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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