Invention Grant
- Patent Title: Light-emitting material, compound, and organic light-emitting element
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Application No.: US16471231Application Date: 2017-12-21
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Publication No.: US11637244B2Publication Date: 2023-04-25
- Inventor: Yan Geng , Chihaya Adachi , Hajime Nakanotani , Naoto Notsuka , Keiro Nasu
- Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION , KYULUX, INC.
- Applicant Address: JP Fukuoka; JP Fukuoka
- Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION,KYULUX, INC.
- Current Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION,KYULUX, INC.
- Current Assignee Address: JP Fukuoka; JP Fukuoka
- Agency: Browdoy and Neimark, PLLC
- Priority: JPJP2016-247496 20161221
- International Application: PCT/JP2017/046017 WO 20171221
- International Announcement: WO2018/117241 WO 20180628
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C09K11/06 ; C09K11/02 ; C07D401/10 ; C07D251/24 ; H01L51/50
Abstract:
A compound represented by the following general formula is excellent in light emission properties. R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A represents a substituent in which Hammett's σp value is positive.
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