Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTROLUMINESCENT POLYMER, BIS-FLUORENYLSILANE COMPOUND AND ORGANIC EL ELEMENT
Document Type and Number:
Japanese Patent JP3876872
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a novel π-σ conjugate polymer especially having a high degree of color purity of blue light emission suppressed in reduction of the degree of color purity of EL caused by formation of an excimer in spite of a π-σ conjugate fluoren-based polymer.
SOLUTION: The electroluminescent polymer has a repeating unit expressed by formula (1), wherein R1, R2, R5 and R6 express each H or a substituent; R3 and R4 expresses each independently an aryl or an alkyl; q expresses 1 or 2.


Inventors:
Tomoyasu Sunaga
Junichi Ishii
Susumu Yanagibori
Miyuki Tsukioka
Application Number:
JP2003350152A
Publication Date:
February 07, 2007
Filing Date:
October 08, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Sony Chemical & Information Device Co., Ltd.
International Classes:
C08G61/12; H01L51/50; C07F7/08; C07F7/12; C08G61/02; C08G77/52; C08G77/62; C09K11/06; H01L51/00; H01L51/30; (IPC1-7): C08G61/12; C07F7/12; C09K11/06; H05B33/14
Domestic Patent References:
JP2001335639A
Foreign References:
WO2000022026A1
Attorney, Agent or Firm:
Noboru Tajime
Tajime Keiko