Invention Grant
- Patent Title: Organic electroluminescence element, and material for organic electroluminescence element
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Application No.: US16134633Application Date: 2018-09-18
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Publication No.: US10707434B2Publication Date: 2020-07-07
- Inventor: Kazuki Nishimura , Toshinari Ogiwara , Kumiko Hibino , Tetsuya Inoue , Mitsunori Ito
- 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
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@e1f1404
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/54 ; C09K11/06 ; H01L51/50 ; H05B33/10 ; C07D405/14 ; C07D403/10 ; C07D403/14 ; C07D409/14 ; C07D401/14 ; C07D401/10 ; C07D471/04 ; C07D487/04 ; C07D491/048 ; C07F7/08
Abstract:
The organic electroluminescence device includes an anode, a cathode, and at least an emitting layer between the anode and the cathode. The emitting layer includes a first host material, a second host material, and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below and the second host material is a compound represented by a formula (2) below.
Public/Granted literature
- US20190019972A1 ORGANIC ELECTROLUMINESCENCE ELEMENT, AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT Public/Granted day:2019-01-17
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