Invention Grant
- Patent Title: Organic light emitting element
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Application No.: US14663983Application Date: 2015-03-20
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Publication No.: US09705089B2Publication Date: 2017-07-11
- Inventor: Yosuke Nishide , Jun Kamatani , Hiroki Ohrui , Yojiro Matsuda , Masanori Muratsubaki , Satoru Shiobara , Tetsuo Takahashi , Haruna Iida
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2014-060339 20140324; JP2015-001212 20150107
- Main IPC: B32B9/00
- IPC: B32B9/00 ; H01L29/08 ; G06F15/00 ; H01L51/00 ; H05B33/08 ; G03G15/04 ; H01L51/50

Abstract:
Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and an emission layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and contacted with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes a viologen compound represented by the following general formula [1] and the second organic compound includes an organic compound different from the viologen compound.
Public/Granted literature
- US20150270493A1 ORGANIC LIGHT EMITTING ELEMENT Public/Granted day:2015-09-24
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