P-type electrodes in gallium nitride-based light-emitting devices

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United States of America Patent

APP PUB NO 20050179046A1
SERIAL NO

11057415

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved p-type electrode for a p-type gallium-nitride based semiconductor material is disclosed that includes at least one layer of indium-tin-oxide. The electrode can include the indium-tin-oxide layer(s) such that at least one of the indium-tin-oxide layers is in contact with the p-type semiconductor layer. Alternatively, the electrode can further include a first electrode layer in contact with the p-type semiconductor layer. In this example, the indium-tin-oxide layer(s) is over the first electrode layer. The first electrode layer includes at least one metal selected from the group consisting of nickel oxide, molybdenum oxide, ruthenium oxide and zinc oxide, and/or at least one non-oxidizing metal.

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Patent Owner(s)

Patent OwnerAddress
KOPIN CORPORATION125 NORTH DRIVE WESTBOROUGH MA 01581

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Hong K Sharon, MA 22 571
Dingle, Brenda D Mansfield, MA 8 550
Fan, John C C Brookline, MA 91 6542
Libenzon, Ilya Wilmington, MA 2 14
Oh, Tchang-hun Sharon, MA 6 107
Roberts, William T North Attleboro, MA 5 36
Yang, Bo Providence, RI 590 4648

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