Title:
CARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/171920
Kind Code:
A1
Abstract:
Provided is a high-refractive-index carbazole derivative that effectively absorbs a high-energy external light source in a UV region to minimize damage to organic materials inside an organic electroluminescent device, and thus contributes to a substantial improvement in the lifespan of the organic electroluminescent device. An organic electroluminescent device according to the present invention comprises: a first electrode; a second electrode; at least one organic material layer disposed between the first electrode and the second electrode; and a capping layer, wherein the capping layer comprises a high-refractive-index carbazole derivative represented by chemical formula 1 according to the present invention.
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Inventors:
GO BYUNG-SOO (KR)
KIM MUN-SOO (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
KIM MUN-SOO (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
Application Number:
PCT/KR2023/001821
Publication Date:
September 14, 2023
Filing Date:
February 08, 2023
Export Citation:
Assignee:
LAPTO CO LTD (KR)
International Classes:
C07D209/86; C07D403/10; C07D405/04; C07D405/10; C07D407/14; C07D409/04; C07D409/10; C07D409/14; C07D413/10; C07D417/10
Foreign References:
| KR102170558B1 | 2020-10-27 | |||
| CN111777602A | 2020-10-16 | |||
| KR102356004B1 | 2022-02-07 | |||
| KR20160032925A | 2016-03-25 | |||
| KR20200122252A | 2020-10-27 |
Attorney, Agent or Firm:
PARK, Yong-min (KR)
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