Invention Publication
- Patent Title: ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
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Application No.: US17766213Application Date: 2020-09-28
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Publication No.: US20240138254A1Publication Date: 2024-04-25
- Inventor: Tasuku HAKETA , Kazuki NISHIMURA
- 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
- Priority: JP 19184168 2019.10.04
- International Application: PCT/JP2020/036549 2020.09.28
- Date entered country: 2022-04-01
- Main IPC: H10K85/60
- IPC: H10K85/60

Abstract:
An organic electroluminescence device containing a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer contains an emitting layer, a first layer, and a second layer, the first layer is disposed between the anode and the emitting layer, the second layer is disposed between the anode and the first layer, the first layer contains a first hole-transporting material and a second hole-transporting material, and the second layer contains an acceptor material having an affinity value in the range of 3.8 to 6.0 eV and at least one hole-transporting material.
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