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Title:
ORGANIC ELECTROLUMINESCENT DIODE AND DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2023/206274
Kind Code:
A1
Abstract:
The present disclosure provides an organic electroluminescent diode and a display panel, belonging to the technical field of display. The organic electroluminescent diode comprises an anode, a luminescent layer, a hole blocking layer, an electron transport layer, and a cathode which are sequentially stacked, wherein the luminescent layer comprises a host material, a TADF material, and a fluorescent doping material; the host material is selected from a compound represented by chemical formula 1, and the material of the hole blocking layer and the material of the electron transport layer are selected from a compound represented by chemical formula 2. The service life of the organic electroluminescent diode can be prolonged.

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Inventors:
SUN HAIYAN (CN)
ZHANG XIAOJIN (CN)
QIU LIXIA (CN)
WANG DAN (CN)
Application Number:
PCT/CN2022/090034
Publication Date:
November 02, 2023
Filing Date:
April 28, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
C07D491/048; C07D251/24; C07D405/14; C07D413/04; C07D413/10; C07D417/04; C07D417/10; C07D491/16; C07D495/04; C07D498/04; C09K11/06
Domestic Patent References:
WO2021157642A12021-08-12
Foreign References:
CN113924665A2022-01-11
CN113826234A2021-12-21
CN108140733A2018-06-08
CN111247650A2020-06-05
CN112236879A2021-01-15
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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