Title:
BENZAZOLE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/230512
Kind Code:
A1
Abstract:
Provided is a benzazole derivative that effectively absorbs a high-energy external light source in a UV region so as to minimize damage to organic materials inside an organic electroluminescent device, thereby contributing 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; one or more organic material layers interposed between the first electrode and the second electrode; and a capping layer, wherein the organic material layer or the capping layer includes the benzazole derivative represented by Chemical Formula 1 of the present invention.
Inventors:
PARK YONG-PIL (KR)
LIM CHUL-SOO (KR)
GO BYUNG-SOO (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
LIM CHUL-SOO (KR)
GO BYUNG-SOO (KR)
YOON JEOUNG-HUN (KR)
HAN KAP-JONG (KR)
OH EU-GENE (KR)
Application Number:
PCT/KR2021/004881
Publication Date:
November 18, 2021
Filing Date:
April 19, 2021
Export Citation:
Assignee:
LAPTO CO LTD (KR)
International Classes:
C07D263/57; C07D277/66; C07D413/04; C07D413/10; C07D417/04; C07D417/10; C07D498/04; C07D513/04; H01L51/00
Foreign References:
| KR20110114545A | 2011-10-19 | |||
| KR20180059286A | 2018-06-04 | |||
| KR20170030427A | 2017-03-17 | |||
| KR20140124615A | 2014-10-27 | |||
| CN103187531A | 2013-07-03 | |||
| KR20200127860A | 2020-11-11 | |||
| KR102252493B1 | 2021-05-14 |
Attorney, Agent or Firm:
PARK, Yong-min (KR)
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