Invention Publication
- Patent Title: ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
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Application No.: US18256036Application Date: 2021-12-08
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Publication No.: US20240147846A1Publication Date: 2024-05-02
- Inventor: Shota TANAKA , Shintaro BAN , Satomi TASAKI , Hiroaki ITOI , Tasuku HAKETA , Yuki NAKANO
- Applicant: IDEMITSU KOSAN CO.,LTD.
- Applicant Address: JP Chiyoda-ku
- Assignee: IDEMITSU KOSAN CO.,LTD.
- Current Assignee: IDEMITSU KOSAN CO.,LTD.
- Current Assignee Address: JP Chiyoda-ku
- Priority: JP 20204531 2020.12.09
- International Application: PCT/JP2021/045024 2021.12.08
- Date entered country: 2023-06-05
- Main IPC: H10K85/60
- IPC: H10K85/60 ; C07D209/86 ; C07D307/77 ; C09K11/06

Abstract:
An organic electroluminescent element including, an anode, a cathode, and an organic layer disposed between the anode and the cathode and including a light emitting zone. The organic layer includes a first layer containing a first compound and a second layer containing a second compound. The first layer and the second layer are different layers. The first compound contains 1 mass % or more of a compound having one or more deuterium atoms in a compound represented by the following formula (1), and the second compound contains 1 mass % or more of a compound having one or more deuterium atoms in a compound represented by the following formula (2),
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