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Title:
有機エレクトロルミネッセンス素子およびそれに用いる化合物
Document Type and Number:
Japanese Patent JP5565742
Kind Code:
B2
Abstract:
An organic electroluminescence element in which a compound represented by the general formula below is used in a light-emitting layer exhibits a high emission efficiency and is inexpensive to provide. At least one of R 1 to R 8 and R 17 represent an electron-donating group and the others represent a hydrogen atom; at least one of R 9 to R 16 represent an electron-withdrawing group that does not have an unshared electron pair at the ±-position thereof and the others represent a hydrogen atom; Z represents a single bond or >C=Y; Y represents O, S, C (CN) 2 or C(COOH) 2 ; provided that when Z is a single bond, then at least one of R 9 to R 16 is an electron-withdrawing group that does not have an unshared electron pair at the ±-position thereof.

Inventors:
Tetsuya Nakagawa
Chihaya Adachi
Nomura
Mahesh Gabor
Keiro Nasu
Application Number:
JP2013524706A
Publication Date:
August 06, 2014
Filing Date:
July 13, 2012
Export Citation:
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Assignee:
Kyushu University
International Classes:
H01L51/50; C07D219/02; C09K11/06
Foreign References:
US20100019658A12010-01-28
US20110198571A12011-08-18
CN101659638A2010-03-03
CN102229565A2011-11-02
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes