Invention Grant
- Patent Title: Organic electroluminescence element
- Patent Title (中): 有机电致发光元件
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Application No.: US14268485Application Date: 2014-05-02
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Publication No.: US09564607B2Publication Date: 2017-02-07
- Inventor: Chishio Hosokawa
- 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
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2000-087622 20000327
- Main IPC: H01L51/54
- IPC: H01L51/54 ; H01L51/50 ; C09K11/06 ; H05B33/14 ; H01L51/00

Abstract:
An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° C. or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the carbazole derivative even at room temperature and which has a practical life and superior heat-resistance.
Public/Granted literature
- US20140239282A1 ORGANIC ELECTROLUMINESCENCE ELEMENT Public/Granted day:2014-08-28
Information query
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