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Patent Searching and Data


Title:
PHOTODIODE DEVICE, ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, DISPLAY PANEL AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/238430
Kind Code:
A1
Abstract:
A photodiode device and a manufacturing method therefor, an array substrate and a manufacturing method therefor, a display panel and a display apparatus The array substrate comprises a first electrode (2), a photodiode (1) and a second electrode (3) which are sequentially stacked. The outer contour of the photodiode (1) has at least one sharp corner, and at least one of the first electrode (2) and the second electrode (3) is chamfered at a position corresponding to the position of the at least one sharp corner, so as to expose the at least one sharp corner. At least one of the first electrode (2) and the second electrode (3) is chamfered at a position corresponding to the position of the sharp corner, so as to expose the sharp corner, thereby weakening the dark current at the edge of the photodiode (1).

Inventors:
LIU QINGZHAO (CN)
WANG GUOQIANG (CN)
WANG JIUSHI (CN)
DONG SHUILANG (CN)
LIANG ZHIWEI (CN)
Application Number:
PCT/CN2020/083891
Publication Date:
December 03, 2020
Filing Date:
April 09, 2020
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
H01L31/0224; H01L31/102
Foreign References:
CN102687276A2012-09-19
CN102687276A2012-09-19
CN103839949A2014-06-04
US20080210845A12008-09-04
CN110137280A2019-08-16
CN101931021A2010-12-29
CN106328718A2017-01-11
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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