Organic electroluminescent element and full color display

Details Organic electroluminescent element and full color display Organic electroluminescent element and full color display

2005-02-15

2005-02-15

Yamnitzky, Marie (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257S089000

Reexamination Certificate

active

06855438

ABSTRACT:
An organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the fluorescent compound.

REFERENCES:
patent: 6635364 (2003-10-01), Igarashi
patent: 20020028329 (2002-03-01), Ise et al.
patent: 20020041979 (2002-04-01), Taguchi
patent: 20020045061 (2002-04-01), Hosokawa
patent: 20020074935 (2002-06-01), Kwong et al.
patent: 20020106531 (2002-08-01), Naito

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