Gallium nitride-based semiconductor light-emitting device

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With particular semiconductor material

Reexamination Certificate

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Details

C257S094000, C257S096000, C257S101000, C257S102000, C257S190000

Reexamination Certificate

active

07135716

ABSTRACT:
A gallium nitride-based semiconductor light-emitting device includes a sapphire substrate having a nitridated upper surface; a polarity conversion layer formed on the sapphire substrate and made of MgN-based single ciystals; a first conductive gallium nitride-based semiconductor layer formed on the polarity conversion layer; an active layer formed on the first conductive gallium nitride-based semiconductor layer; and a second conductive gallium nitride-based semiconductor layer formed on the active layer.

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“Polarity control in MBE growth of III-nitrides, and its device application”, Current Applied Physics vol. 2 305-310 (Aug. 2002).

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