Electroconductive device, organic electroluminescence device...

Details Electroconductive device, organic electroluminescence device... Electroconductive device, organic electroluminescence device...

2005-09-20

2005-09-20

Dye, Rena (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C252S062200, C252S301160, C313S483000, C313S504000, C313S506000

Reexamination Certificate

active

06946207

ABSTRACT:
An electroconductive device includes a pair of oppositely disposed electrodes, a luminescence layer and an electroconductive layer disposed between the electrodes. The electroconductive layer includes a mixture of a plurality of organic compounds which are mutually structural isomers and include a major component and a minor component. The mixture contains the major and minor components in a (major component/minor component) ratio of 1/1 to 9/1. When the electroconductive layer is used as a carrier injection or transport layer, preferably an electron injection layer, a resultant electroluminescence (EL) device exhibits a high luminescence efficiency.

REFERENCES:
patent: 5540999 (1996-07-01), Yamamoto et al.
patent: 6249085 (2001-06-01), Arai
patent: 6277504 (2001-08-01), Koch et al.
patent: 6376107 (2002-04-01), Heuer et al.
patent: 6572985 (2003-06-01), Xie
patent: 2001-167887 (2001-06-01), None

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