Tchang-Hun Oh

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Sharon, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bonding pad for gallium nitride-based light-emitting devices
- Patent number 7,122,841
- Issue date Oct 17, 2006
- Kopin Corporation
- Tchang-Hun Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting diode device geometry
- Patent number 6,847,052
- Issue date Jan 25, 2005
- Kopin Corporation
- John C. C. Fan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode for p-type gallium nitride-based semiconductors
- Patent number 6,734,091
- Issue date May 11, 2004
- Kopin Corporation
- Tchang-Hun Oh
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Monolithic integration and enhanced light extraction in gallium nit...
- Publication number 20050179042
- Publication date Aug 18, 2005
- Kopin Corporation
- Bo Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
P-type electrodes in gallium nitride-based light-emitting devices
- Publication number 20050179046
- Publication date Aug 18, 2005
- Kopin Corporation
- Tchang-hun Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Bonding pad for gallium nitride-based light-emitting devices
- Publication number 20040262621
- Publication date Dec 30, 2004
- Kopin Corporation
- Tchang-hun Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light-emitting diode device geometry
- Publication number 20040077135
- Publication date Apr 22, 2004
- Kopin Corporation
- John C.C. Fan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode for p-type gallium nitride-based semiconductors
- Publication number 20040000671
- Publication date Jan 1, 2004
- Kopin Corporation
- Tchang-Hun Oh
- H01 - BASIC ELECTRIC ELEMENTS