Invention Application
- Patent Title: ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS USING THE SAME
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Application No.: US17291200Application Date: 2019-11-07
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Publication No.: US20220069232A1Publication Date: 2022-03-03
- Inventor: Tasuku HAKETA , Masatoshi SAITO , Yuki NAKANO , Satomi TASAKI , 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: JP2018-210115 20181107,JP2018-210116 20181107
- International Application: PCT/JP2019/043772 WO 20191107
- Main IPC: H01L51/00
- IPC: H01L51/00

Abstract:
An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and an electron barrier layer, the electron barrier layer is disposed between the anode and the emitting layer and is directly adjacent to the emitting layer, the emitting layer comprises a first compound represented by any one of the specific formulas (21), (41), and (51), and the electron barrier layer comprises a second compound which satisfies the following expression (M1): Ip(HT)≥5.67 eV (M1) wherein in the expression (M1), Ip(HT) is the ionization potential of the second compound.
Information query
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