Title:
DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/226744
Kind Code:
A1
Abstract:
Disclosed are a display panel and a manufacturing method therefor, and a display apparatus and a manufacturing method therefor. The display panel comprises a display region and a peripheral region which are arranged on a substrate. The display panel further comprises a plurality of effective driving circuits and a plurality of redundant driving circuits, wherein at least one of the effective driving circuits is electrically connected to at least one pixel unit in a plurality of pixel units; each of the redundant driving circuits comprises at least one electrode layer arranged on the substrate; the peripheral region comprises a planar area and a curved area; at least a part of the redundant driving circuits is located in a flat redundant driving circuit region (71) comprised in the planar area; the flat redundant driving circuit region (71) comprises at least two alignment mark regions (70); within the alignment mark regions (70), at least one electrode layer is hollowed out and/or at least one electrode layer is filled; the minimum distance between edges of respective orthographic projections of two adjacent alignment mark regions (70) on the substrate is an alignment mark distance; and at least one alignment mark distance is greater than a predetermined alignment mark distance.
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Inventors:
BAI LU (CN)
YU PENGFEI (CN)
DAI JIE (CN)
ZHANG SHUN (CN)
YANG HUIJUAN (CN)
JIANG XIAOFENG (CN)
ZHANG XIN (CN)
ZHANG MENG (CN)
QU YI (CN)
WANG MENGQI (CN)
ZHANG HAO (CN)
WANG SIYU (CN)
YU PENGFEI (CN)
DAI JIE (CN)
ZHANG SHUN (CN)
YANG HUIJUAN (CN)
JIANG XIAOFENG (CN)
ZHANG XIN (CN)
ZHANG MENG (CN)
QU YI (CN)
WANG MENGQI (CN)
ZHANG HAO (CN)
WANG SIYU (CN)
Application Number:
PCT/CN2020/089362
Publication Date:
November 18, 2021
Filing Date:
May 09, 2020
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
CHENGDU BOE OPTOELECT TECH CO (CN)
International Classes:
H01L23/544; G02F1/1333; H01L27/12
Foreign References:
| CN107742623A | 2018-02-27 | |||
| CN104091808A | 2014-10-08 | |||
| CN109460731A | 2019-03-12 | |||
| CN108873413A | 2018-11-23 | |||
| US20160327841A1 | 2016-11-10 | |||
| CN208705624U | 2019-04-05 |
Other References:
See also references of EP 4148785A4
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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