Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2006-03-22
2010-12-14
Patel, Ashok (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S506000, C313S113000
Reexamination Certificate
active
07851989
ABSTRACT:
It is an object of the present invention to provide a light-emitting device in which, even when a material with high reflectivity such as aluminum is used for an electrode, a layer containing oxygen can be formed over the electrode without increasing contact resistance and a manufacturing method thereof. According to the present invention, a feature thereof is a light-emitting element having an electrode composed of a stacked structure where a conductive film having high reflectivity such as aluminum, silver, and an alloy containing aluminum or an alloy containing silver, and a conductive film composed of a refractory metal material is provided over the conductive film, or a light-emitting device having the light-emitting element.
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Husch Blackwell LLP Welsh & Katz
Patel Ashok
Semiconductor Energy laboratory Co., Ltd.
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