Title:
CYANO GROUP-SUBSTITUTED CARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/018040
Kind Code:
A1
Abstract:
Provided is a cyano group-substituted carbazole derivative, which effectively absorbs high energy external light source in a UV range so as to minimize damage to organic materials in an organic electroluminescent device, and thus contributes to a substantial improvement in the lifespan of the organic electroluminescent device. The organic electroluminescent device according to the present invention comprises: a first electrode; a second electrode; an organic material layer disposed between the first electrode and the second electrode; and a capping layer, wherein the capping layer comprises an organic compound represented by chemical formula 1 according to the present invention.
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Inventors:
SEOK MOON-KI (KR)
GO BYUNG-SOO (KR)
KWON YOUNG-JAE (KR)
PARK YONG-PIL (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
GO BYUNG-SOO (KR)
KWON YOUNG-JAE (KR)
PARK YONG-PIL (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
Application Number:
PCT/KR2022/010401
Publication Date:
February 16, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
LAPTO CO LTD (KR)
International Classes:
C07D405/04; C07D209/82; C07D405/14; C07D409/04; C07D409/10; C07D409/14; C07D413/10; C07D413/14; C07D417/10; C07D417/14
Foreign References:
| CN111777602A | 2020-10-16 | |||
| KR20200122252A | 2020-10-27 | |||
| KR20160032925A | 2016-03-25 | |||
| KR102170558B1 | 2020-10-27 | |||
| KR20160117823A | 2016-10-11 |
Attorney, Agent or Firm:
PARK, Yong-min (KR)
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