Invention Grant
- Patent Title: Organic light-emitting device
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Application No.: US16305180Application Date: 2017-09-06
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Publication No.: US11335872B2Publication Date: 2022-05-17
- Inventor: Junji Adachi , Ayataka Endo , Ping Kuen Daniel Tsang , Hidetoshi Fujimura , Kiyomasa Sueishi , Asuka Yoshizaki , Keiro Nasu
- Applicant: KYULUX, INC.
- Applicant Address: JP Fukuoka
- Assignee: KYULUX, INC.
- Current Assignee: KYULUX, INC.
- Current Assignee Address: JP Fukuoka
- Agency: Browdy and Neimark, PLLC
- Priority: JPJP2016-173412 20160906,JPJP2017-022986 20170210
- International Application: PCT/JP2017/032083 WO 20170906
- International Announcement: WO2018/047853 WO 20180315
- Main IPC: H01L51/50
- IPC: H01L51/50
Abstract:
An organic light emitting device having an exciton generation layer that contains a compound having a difference between the lowest excited singlet energy level ES1 and the lowest excited triplet energy level ET1 thereof of 0.3 eV or less, or an exciplex to emit delayed fluorescence, and a light emitting layer that contains a light emitting material has a high efficiency and a long lifetime.
Public/Granted literature
- US20210234113A1 ORGANIC LIGHT-EMITTING DEVICE Public/Granted day:2021-07-29
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