Title:
CONDENSED AZACYCLIC COMPOUND, USE THEREOF, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING CONDENSED AZACYCLIC COMPOUND
Document Type and Number:
WIPO Patent Application WO/2022/242521
Kind Code:
A1
Abstract:
Disclosed in the present invention are a condensed azacyclic compound, the use thereof, and an organic electroluminescent device comprising the condensed azacyclic compound. The condensed azacyclic compound has a structure of a combination of formulas (1) and (2), wherein Z1 to Z14 each are independently represented as CR1 to CR14 or N; when each of Z1 to Z14 on rings A to D is independently represented as N, the sum of the number of Ns on rings A to D is less than or equal to 4 and the number of Ns on each of rings A to D is less than or equal to 1; and when formula (1) is substituted with a substituent group represented by formula (2), the substitution only occurs in positions Z1, Z2, Z5, Z6, Z8, Z9, Z12 or Z13. The compound provided in the present invention can be used as a luminescent material for an organic electroluminescent device. The material has the characteristics of a high luminous efficiency and a narrow emission spectrum, and the luminous color purity, luminous efficiency, and service life of the device are improved.
Inventors:
ZHU YUNHUI (CN)
WANG YANJIE (CN)
ZHANG QISHENG (CN)
WANG YANJIE (CN)
ZHANG QISHENG (CN)
Application Number:
PCT/CN2022/092188
Publication Date:
November 24, 2022
Filing Date:
May 11, 2022
Export Citation:
Assignee:
ZHEJIANG HONGWU TECH CO LTD (CN)
International Classes:
C07D487/14; C07D471/22; C07F7/08; C09K11/06; H01L51/50; H01L51/54
Domestic Patent References:
| WO2021153931A1 | 2021-08-05 |
Foreign References:
| CN111892607A | 2020-11-06 | |||
| KR20130142816A | 2013-12-30 | |||
| JP2012234873A | 2012-11-29 | |||
| CN104471020A | 2015-03-25 |
Attorney, Agent or Firm:
FONDEE IP LAW LLC (CN)
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