Vertical topology light emitting device
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United States of America Patent
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Dec 19, 2017
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app pub date -
Sep 28, 2016
filing date -
Apr 9, 2002
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Abstract
A light emitting device includes a metal support structure comprising Cu; an adhesion structure on the metal support structure and comprising Au; a reflective conductive contact on the adhesion structure; a GaN-based semiconductor structure on the reflective conductive contact, the GaN-based semiconductor structure comprising a first-type GaN layer, an active layer, and a second-type GaN layer; a top interface layer on the GaN-based semiconductor structure and comprising Ti; and a contact pad on the top interface layer and comprising Au, wherein the GaN-based semiconductor structure is less than 1/20 thick of a thickness of the metal support structure.
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