Title:
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Document Type and Number:
Japanese Patent JP2015221780
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide novel phosphorescent complex compounds which are useful as organic electroluminescent materials, maintain desirable physical characteristics such as a high photoluminescence quantum yield, and hardly exhibit decomposition of complexes caused by protonation of uncoordinated nitrogen.SOLUTION: Novel phosphorescence complex compounds are represented by, e.g., a compound 7 (formula III in the figure) designed to form static (electrostatic) hydrogen bonding interaction between α-H of an isopropyl group, a cyclohexyl group or the like in the complex and a pair of unpaired electrons of uncoordinated nitrogen in the complex.
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Inventors:
CHEN HSIAO-FAN
BEERS SCOTT
GEZA SZIGETHY
BROOKS JASON
BEERS SCOTT
GEZA SZIGETHY
BROOKS JASON
Application Number:
JP2015081348A
Publication Date:
December 10, 2015
Filing Date:
April 13, 2015
Export Citation:
Assignee:
UNIVERSAL DISPLAY CORP
International Classes:
C07F15/00; C09K11/06; H01L51/50
Domestic Patent References:
| JP2013191804A | 2013-09-26 | |||
| JP2013147497A | 2013-08-01 | |||
| JP2010118591A | 2010-05-27 | |||
| JP5403179B1 | 2014-01-29 | |||
| JP2013053149A | 2013-03-21 | |||
| JP2013023500A | 2013-02-04 | |||
| JP2013103938A | 2013-05-30 |
Foreign References:
| WO2014189072A1 | 2014-11-27 | |||
| EP2574613A1 | 2013-04-03 |
Attorney, Agent or Firm:
Koichi Hirota
Yoshihiro Nagare
Naoko Matsuda
Takeshi Yamashita
Yoshihiro Nagare
Naoko Matsuda
Takeshi Yamashita