Title:
SPIRO COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING THE COMPOUND
Document Type and Number:
Japanese Patent JP2004083483
Kind Code:
A
Abstract:
To provide a novel spiro compound and a highly durable organic light emitting element emitting light at high efficiency and luminance by using the spiro compound.
The spiro compound is represented by formula [I]. In formula [I], R1, R2, R3, and R4 are each independently a hydrogen atom, an optionally substituted alkyl, aralkyl, aryl, or heterocyclic group, a substituted amino group, a cyano group, or a halogen atom; and Ar1 and Ar2 are each independently an optionally substituted fused polycyclic aromatic or heterocyclic group.
Inventors:
SUZUKI KOICHI
SAITO AKITO
YAMADA NAOKI
HIRAOKA MITSUO
NEGISHI CHIKA
SENOO AKIHIRO
SAITO AKITO
YAMADA NAOKI
HIRAOKA MITSUO
NEGISHI CHIKA
SENOO AKIHIRO
Application Number:
JP2002246601A
Publication Date:
March 18, 2004
Filing Date:
August 27, 2002
Export Citation:
Assignee:
CANON KK
International Classes:
C07C13/72; C07C25/22; C07C255/52; C07D209/82; C07D209/86; C07D219/02; C07D471/04; C07F7/08; C09K11/06; H01L51/50; (IPC1-7): C07C13/72; C07C25/22; C07C255/52; C07D209/82; C07D219/02; C07D471/04; C07F7/08; C09K11/06; H05B33/14; H05B33/22
Domestic Patent References:
| JP2002075645A | 2002-03-15 | |||
| JP2001039933A | 2001-02-13 | |||
| JP2003109768A | 2003-04-11 | |||
| JP2002313579A | 2002-10-25 | |||
| JP2001518913A | 2001-10-16 | |||
| JP2002222697A | 2002-08-09 | |||
| JPH07278537A | 1995-10-24 | |||
| JP2001284051A | 2001-10-12 | |||
| JP2001515879A | 2001-09-25 | |||
| JP2002503037A | 2002-01-29 | |||
| JP2002502889A | 2002-01-29 | |||
| JPH10509996A | 1998-09-29 |
Attorney, Agent or Firm:
Keisuke Watanabe
Yoshihiro Yamaguchi
Yoshihiro Yamaguchi