- Patent Title: Organic electroluminescent element, material for organic electroluminescent element and light emitting device, display device, and illumination device, each employing organic electroluminescent element
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Application No.: US14350745Application Date: 2012-11-01
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Publication No.: US09728726B2Publication Date: 2017-08-08
- Inventor: Koji Takaku , Yasunori Yonekuta , Masaru Kinoshita , Wataru Sotoyama , Toshihiro Ise , Kuniyuki Kaminaga , Heijiro Hirayama
- Applicant: UDC Ireland Limited
- Applicant Address: IE Dublin
- Assignee: UDC Ireland Limited
- Current Assignee: UDC Ireland Limited
- Current Assignee Address: IE Dublin
- Agency: Riverside Law LLP
- Priority: JP2011-241629 20111102; JP2012-080177 20120330
- International Application: PCT/IB2012/002186 WO 20121101
- International Announcement: WO2013/064881 WO 20130510
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C07D213/74 ; C07C255/58 ; C07D219/14 ; C07C211/56 ; C07C211/61 ; C07D239/42 ; C07D471/06 ; C07D487/06 ; C07D493/06 ; C07D209/86 ; C07B59/00 ; C07F7/08 ; C09K11/06 ; H05B33/10 ; C09B57/00 ; C09B1/00

Abstract:
This application relates in part to an organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and an organic layer(s) including a light emitting layer, in which the organic layer(s) contains a compound represented by the following formula (1), in which R1 to R8 are each hydrogen or a substituent, at least one of R1 to R4 and at least one of R5 to R8 are each a substituent represented by the formula (2); R9 to R12, Z1 to Z4, Ar1, Ar2, and L1 are as defined herein.
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