Title:
BENZAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/132895
Kind Code:
A1
Abstract:
Provided is a benzazole derivative which effectively absorbs a high-energy external light source in the UV region and thus minimizes damage to organic materials in an organic electroluminescent device, thereby contributing to a substantial improvement in the service life 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 layer disposed between the first electrode and the second electrode; and a capping layer, wherein the organic layer or the capping layer comprises a benzazole derivative represented by chemical formula 1 according to the present invention.
Inventors:
SEOK MOON-KI (KR)
GO BYUNG-SOO (KR)
LIM CHUL-SOO (KR)
PARK YONG-PIL (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
GO BYUNG-SOO (KR)
LIM CHUL-SOO (KR)
PARK YONG-PIL (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
Application Number:
PCT/KR2020/016543
Publication Date:
July 01, 2021
Filing Date:
November 23, 2020
Export Citation:
Assignee:
LAPTO CO LTD (KR)
International Classes:
C07D263/57; C07D277/66; C07D413/10; C07D417/04; C07D417/10; C07D498/04; C07D513/04; H01L51/00; H01L51/52
Foreign References:
| KR20170030427A | 2017-03-17 | |||
| US20090058279A1 | 2009-03-05 | |||
| JP2018100267A | 2018-06-28 | |||
| US20060083944A1 | 2006-04-20 | |||
| KR101384046B1 | 2014-04-09 |
Attorney, Agent or Firm:
PARK, Yong-min (KR)
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