Light emitting device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7851989
SERIAL NO

11386187

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Noda, Takeshi Kanagawa, JP 103 8488

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