Light-emitting device

Light-emitting device

A light-emitting device comprises a substrate comprising a top surface and a sidewall; a semiconductor stack formed on the top surface of the substrate comprising a first semiconductor layer, an active layer and a second semiconductor layer; a dicing street surrounding the semiconductor stack and ex...

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Hauptverfasser: Wang, Hsin-Ying, Liao, Chien-Chih, Chen, Chao-Hsing, Lo, Wu-Tsung, Chen, Chih-Hao, Ko, Tsun-Kai, Ou, Chen
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator Wang, Hsin-Ying
Liao, Chien-Chih
Chen, Chao-Hsing
Lo, Wu-Tsung
Chen, Chih-Hao
Ko, Tsun-Kai
Ou, Chen
description A light-emitting device comprises a substrate comprising a top surface and a sidewall; a semiconductor stack formed on the top surface of the substrate comprising a first semiconductor layer, an active layer and a second semiconductor layer; a dicing street surrounding the semiconductor stack and exposing the top surface of the substrate; a protective layer covering the semiconductor stack and the dicing street; a reflective layer comprising a Distributed Bragg Reflector structure and covering the protective layer; and a cap layer covering the reflective layer, wherein the reflective layer comprises an uneven portion adjacent to the sidewall of the substrate, and the uneven portion comprises an uneven thickness.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Light-emitting device
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