Invention Grant
- Patent Title: 4-aminocarbazole compound and use thereof
- Patent Title (中): 4-氨基咔唑化合物及其用途
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Application No.: US14354273Application Date: 2012-10-25
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Publication No.: US09172045B2Publication Date: 2015-10-27
- Inventor: Naoki Matsumoto , Takanori Miyazaki
- Applicant: TOSOH CORPORATION
- Applicant Address: JP Yamaguchi
- Assignee: TOSOH CORPORATION
- Current Assignee: TOSOH CORPORATION
- Current Assignee Address: JP Yamaguchi
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2011-235474 20111026
- International Application: PCT/JP2012/077592 WO 20121025
- International Announcement: WO2013/062043 WO 20130502
- Main IPC: C07D405/12
- IPC: C07D405/12 ; C07D209/88 ; C07D401/14 ; C07D403/04 ; H01L51/00 ; C07D409/04 ; C07D409/12 ; C07D409/14 ; C09K11/06 ; H05B33/14 ; C07D209/86 ; H01L51/50
Abstract:
A 4-aminocarbazole compound represented by formula (1): wherein Ar1-Ar4 represent substituted or unsubstituted aryl, thienyl, pyridyl, benzothienyl, dibenzothienyl, dibenzofuranyl, 4-carbazolyl, dibenzothienylphenyl, dibenzofuranylphenyl or 9-carbazolylphenyl group; R1-R7 represent substituted or unsubstituted aryl, heteroaryl or heteroarylphenyl group, or alkyl, alkoxy, cyano group, or hydrogen or halogen atom; n is integer of 0-2; and X represents substituted or unsubstituted (n+1)-valent aromatic hydrocarbon, heteroaromatic or heteroarylphenyl group. The 4-aminocarbazole compound provides an organic EL device exhibiting enhanced emitting efficiency and durability.
Public/Granted literature
- US20140296519A1 4-AMINOCARBAZOLE COMPOUND AND USE THEREOF Public/Granted day:2014-10-02
Information query
