Publication number: 20120203010
Abstract: A carbazole compound represented by the following formula: wherein, when m=1, n=0, Ar1, Ar2, Ar3 and X2 are C6-50 aryl or C4-50 heteroaryl, provided that Ar1 and Ar2, or Ar3 and X2 may form together a ring; X1?C6-50 arylene; R1, R2, R4, R5 and R7 are H, halogen, amino, C1-18 alkyl, C1-18 alkoxy, C6-50 aryl or C4-50 heteroaryl, R3 and R6 are H, halogen, C1-18 alkyl, C1-18 alkoxy, C6-50 aryl or C4-50 heteroaryl; when m=0, n=1-3, Ar3, Ar4 and Ar5 are C6-50 aryl or C4-50 heteroaryl, Ar4 and Ar5 may form together a ring; X1?C1-18 alkyl, C6-50 aryl or C4-50 heteroaryl; X2?C6-50 arylene; R1-R7 are H, halogen, C1-18 alkyl, C1-18 alkoxy, C6-50 aryl or C4-50 heteroaryl; when m=0, n=0, X1?C1-18 alkyl, C6-50 aryl or C4-50 heteroaryl; Ar3 and X2 are C6-50 aryl or C4-50 heteroaryl; R2?H, halogen, C1-18 alkyl, C1-18 alkoxy; R1 and R3-R7 are H, halogen, C1-18 alkyl, C1-18 alkoxy, C6-50 aryl or C4-50 heteroaryl. The carbazole compound is suitable for an organic EL device.
Type:
Application
Filed:
October 20, 2010
Publication date:
August 9, 2012
Applicant:
TOSOH CORPORATION
Inventors:
Naoki Matsumoto, Takanori Miyazaki, Shinichi Ishikawa