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Title:
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2023/178620
Kind Code:
A1
Abstract:
A first electrode and a second electrode are oppositely arranged, and a light-emitting functional layer is located between the first electrode and the second electrode. The light-emitting functional layer comprises a first light-emitting layer, the first light-emitting layer comprises a first light-emitting material, and the first light-emitting material is configured to emit light in response to control of electrical signals on the first electrode and the second electrode. The light-emitting functional layer further comprises a second light-emitting material, and a Stokes displacement difference value of the first light-emitting material and the second light-emitting material ranges from 10 nm to 50 nm.

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Inventors:
WANG HAOWEI (CN)
Application Number:
PCT/CN2022/082860
Publication Date:
September 28, 2023
Filing Date:
March 24, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)
International Classes:
H01L51/52; H01L51/56
Domestic Patent References:
WO2021210582A12021-10-21
Foreign References:
CN104282839A2015-01-14
CN106384786A2017-02-08
US20180151814A12018-05-31
US20200048199A12020-02-13
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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