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Patent Searching and Data


Title:
DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/061059
Kind Code:
A1
Abstract:
A display panel (100) and a manufacturing method therefor, and a display device. The display panel (100) comprises a first electrode layer (2), an electron transport layer (3), a light-emitting layer (4), a hole transport layer (5), a hole injection layer (6), and a second electrode layer (7) which are sequentially stacked. The material of the hole injection layer (6) comprises a first metal oxide and a second metal oxide, both the first metal oxide and the second metal oxide comprise a first metal element, and the number of outermost electrons of the first metal element in the first metal oxide is different from the number of outermost electrons of the first metal element in the second metal oxide, that is, the valence states of the first metal elements in the two metal compounds are different, so that the hole injection capability is improved.

Inventors:
LU ZHIGAO (CN)
ZHANG YICHI (CN)
GUO HUI (CN)
Application Number:
PCT/CN2022/114545
Publication Date:
April 20, 2023
Filing Date:
August 24, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)
International Classes:
H01L51/54; H01L51/56
Foreign References:
CN113130835A2021-07-16
CN111063811A2020-04-24
CN103053042A2013-04-17
CN103503190A2014-01-08
CN103026523A2013-04-03
CN102460765A2012-05-16
CN111697150A2020-09-22
CN102884650A2013-01-16
US20170069696A12017-03-09
CN110224071A2019-09-10
CN106252521A2016-12-21
CN110838551A2020-02-25
CN104009161A2014-08-27
CN102110783A2011-06-29
US20140175411A12014-06-26
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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