Invention Grant
- Patent Title: Organic electroluminescent element
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Application No.: US15438054Application Date: 2017-02-21
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Publication No.: US10032998B2Publication Date: 2018-07-24
- Inventor: Toshinari Ogiwara , Ryo Tsuchiya
- 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: JP2012-162013 20120720
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C09K11/02 ; C09K11/06 ; C09B57/00 ; C09B1/00

Abstract:
An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material, a second material and a third material, in which singlet energy EgS(H) of the first material, singlet energy EgS(H2) of the second material, and singlet energy EgS(D) of the third material satisfy a specific relationship.
Public/Granted literature
- US20170162799A1 ORGANIC ELECTROLUMINESCENT ELEMENT Public/Granted day:2017-06-08
Information query
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