Title:
NEW RARE EARTH METAL COMPLEX EMITTING CIRCULARLY-POLARIZED LIGHT
Document Type and Number:
Japanese Patent JP3687791
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a rare earth metal complex having extremely high luminescence intensity and emitting circularly-polarized light.
SOLUTION: The optically active rare earth metal complex (1) is expressed by general formula (1) (X1 and X2 are each independently hydrogen atom, a halogen atom, a 1-4C alkyl or a 1-4C alkoxy; Y1, Y2, Y3 and Y4 are each independently hydrogen atom, a halogen atom or a 1-4C alkyl; R1 is a 1-8C alkyl, a 1-8C fluorine-substituted alkyl or phenyl; and R2 is (a) cyclopentadienyl group or the like; (b) phenyl group or the like or (c) naphthyl group or the like).
Inventors:
Yoshiaki Nagata
Yasuya Hasegawa
Shozo Yanagida
Yasuya Hasegawa
Shozo Yanagida
Application Number:
JP2004072487A
Publication Date:
August 24, 2005
Filing Date:
March 15, 2004
Export Citation:
Assignee:
Dainippon Ink and Chemicals Co., Ltd.
International Classes:
C07C49/92; C07F5/00; C07F9/53; C07F19/00; (IPC1-7): C07F9/53; C07C49/92
Domestic Patent References:
| JP2003327590A |
Attorney, Agent or Firm:
Takahashi victory