申请人:KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
公开号:US20160141516A1
公开(公告)日:2016-05-19
A compound represented by the following general formula is useful as a light emitting material. X represents an oxygen atom or a sulfur atom. R
1
to R
8
represent a hydrogen atom or a substituent, provided that at least one of R
1
to R
8
is a carbazolyl group, etc.