- Patent Title: Organic electroluminescent element, compound for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element
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Application No.: US14238367Application Date: 2012-08-06
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Publication No.: US09825237B2Publication Date: 2017-11-21
- Inventor: Saki Takada , Koji Takaku , Tetsu Kitamura , Toshihiro Ise , Wataru Sotoyama
- Applicant: Saki Takada , Koji Takaku , Tetsu Kitamura , Toshihiro Ise , Wataru Sotoyama
- Applicant Address: IE Dublin
- Assignee: UDC Ireland Limited
- Current Assignee: UDC Ireland Limited
- Current Assignee Address: IE Dublin
- Agency: Riverside Law LLP
- Priority: JP2011-179173 20110818; JP2011-226619 20111014
- International Application: PCT/JP2012/069948 WO 20120806
- International Announcement: WO2013/024730 WO 20130221
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; H01L51/00 ; C07D307/93 ; C07D221/18 ; C07D471/16 ; C07D491/06 ; C07D209/80 ; C07D235/18 ; C07D519/00 ; H01L51/50
Abstract:
An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.
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