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Title:
LIGHT-EMITTING DEVICE, LIGHT-EMITTING SUBSTRATE AND LIGHT-EMITTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/199010
Kind Code:
A1
Abstract:
A light-emitting device, comprising a light-emitting layer, wherein the light-emitting layer comprises a main body material; the main body material comprises a p-type material and an n-type material; and the p-type material and the n-type material can form an exciplex, and an absolute value of the difference between the wavelength corresponding to a peak value of a normalized fluorescence emission spectrum of the exciplex and the wavelength corresponding to a peak value of a normalized fluorescence emission spectrum of the n-type material is less than or equal to 5 nm.

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Inventors:
LIU YANG (CN)
CHEN XUEQIN (CN)
QIU LIXIA (CN)
Application Number:
PCT/CN2021/126196
Publication Date:
September 29, 2022
Filing Date:
October 25, 2021
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
H01L51/50; H01L27/32; H01L51/52; H01L51/54
Foreign References:
CN111916574A2020-11-10
CN109994626A2019-07-09
CN107710441A2018-02-16
US20160164020A12016-06-09
CN108232025A2018-06-29
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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