Semiconductor device

Abstract

A semiconductor device includes a semiconductor stack having an upper surface and a side surface; a first current blocking structure located on the upper surface and including: a bottom structure with a first portion and a second portion; and a reflective structure disposed on the first portion, wherein the reflective structure does not cover the second portion; a protective structure located on the side surface and spaced apart from the first current blocking structure, wherein the protective structure and the bottom structure have the same material and substantially the same thickness; and a conductive layer covering the first current blocking structure.

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