Title:
ORGANIC EL ELEMENT AND DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2002280177
Kind Code:
A
Abstract:
To provide an organic EL element having a long service life and to provide a display device using it and having a long service life.
This organic EL element emits light from a luminescent layer 4 by exciting pigment molecules in the luminescent layer 4 containing host molecules and the pigment molecules of luminescent centers. The organic EL element is characterized in that the pigment molecule is a red light emitting pigment molecule having a cyano group, and its octanol Log P value is 6.5 or more.
Inventors:
NAITO KATSUYUKI
Application Number:
JP2001074540A
Publication Date:
September 27, 2002
Filing Date:
March 15, 2001
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H01L51/50; C09K11/06; H05B33/12; H05B33/14; H05B33/22; (IPC1-7): H05B33/14; C09K11/06; H05B33/12; H05B33/22
Attorney, Agent or Firm:
Norio Ogo (2 outside)
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