Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2007-03-01
2009-11-24
Williams, Joseph L (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S500000, C445S023000
Reexamination Certificate
active
07622860
ABSTRACT:
The present invention provides a top-emission-type organic EL display device. In a top-emission-type organic EL display device which includes organic EL elements each of which is formed by stacking a reflective lower electrode, a function layer and a light-transmissive upper electrode in order, the upper electrode contains a plurality of fine particles which are made of a material different from a material of the upper electrode. The fine particles are preferably made of silica. A portion of the upper electrode may be provided below the fine particles and a portion of the upper electrode may be provided above the fine particles.
REFERENCES:
patent: 2003-108068 (2001-09-01), None
Matsuura Toshiyuki
Murakami Hajime
Ochiai Takahiro
Tanaka Masahiro
A. Marquez, Esq. Juan Carlos
Hitachi Displays Ltd.
Stites & Harbison PLLC
Williams Joseph L
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