Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-10-30
2007-10-30
Garrett, Dawn (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000
Reexamination Certificate
active
10882834
ABSTRACT:
A broadband-emitting OLED device having an anode and a cathode spaced from the anode includes a first light-emitting layer provided over the anode and containing a first host material and a first light-emitting material, wherein the first host material is a mixture of one or more mono-anthracene derivatives and one or more aromatic amine derivatives, wherein the mono-anthracene derivative(s) being provided in a volume fraction range of 5% to 50% relative to the total host volume, and the aromatic amine derivative(s) being provided in a volume fraction range of 50% to 95% relative to the total host volume, and a second light-emitting layer provided over or under the first light-emitting layer.
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Hatwar Tukaram K.
Spindler Jeffrey P.
Young Ralph H.
Eaastman Kodak Company
Garrett Dawn
Owens Raymond L.
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