Invention Grant
- Patent Title: Organic electroluminescence element and electronic device
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Application No.: US16640412Application Date: 2018-08-17
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Publication No.: US11723272B2Publication Date: 2023-08-08
- Inventor: Kei Yoshizaki , Ryota Takahashi , Toshinari Ogiwara , Yuichiro Kawamura
- Applicant: IDEMITSU KOSAN CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JP 17158937 2017.08.21
- International Application: PCT/JP2018/030572 2018.08.17
- International Announcement: WO2019/039414A 2019.02.28
- Date entered country: 2020-02-20
- Main IPC: H10K85/60
- IPC: H10K85/60 ; H10K50/11 ; H10K50/12 ; C09K11/06 ; H10K101/10 ; H10K50/15 ; H10K50/16 ; H10K50/17

Abstract:
An organic electroluminescence device includes: an anode; an emitting layer; and a cathode. The emitting layer contains a first compound and a second compound, the first compound being a delayed fluorescent compound, the second compound being a compound represented by a formula (2).
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