Invention Grant
- Patent Title: Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazine
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Application No.: US16260725Application Date: 2019-01-29
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Publication No.: US10522763B2Publication Date: 2019-12-31
- Inventor: Takuma Yasuda , In Seob Park , Yu Seok Yang , Hiroshi Sumiya , Yukio Fukushima
- Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION , NIPPON SODA CO., LTD.
- Applicant Address: JP Fukuoka-shi JP Tokyo
- Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSIT CORPORATION,NIPPON SODA CO., LTD.
- Current Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSIT CORPORATION,NIPPON SODA CO., LTD.
- Current Assignee Address: JP Fukuoka-shi JP Tokyo
- Agency: Oliff PLC
- Priority: JP2015-220371 20151110; JP2015-242690 20151211
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C07D401/14 ; C07D413/14 ; C07D403/14 ; C07D241/24 ; C07D417/14 ; C09K11/06
Abstract:
A compound represented by formula (I) or formula (II): in formula (I), R3 represents an electron donating group, R4 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L3 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L4 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L3 and L4 may bond together to form a ring with the carbon atoms to which they are bonded, in formula (II), R5 represents an electron donating group, R6 represents a hydrogen atom, a substituted or unsubstituted aryl group or an electron donating group, L5 represents a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group, L6 represents a single bond, a substituted or unsubstituted heteroarylene group or a substituted or unsubstituted arylene group.
Public/Granted literature
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