公开(公告)号：US10090440B1

公开(公告)日：2018-10-02

申请号：US15588166

申请日：2017-05-05

Applicant: EPISTAR CORPORATION

Inventor： Victor Liu ,  De-Shan Kuo ,  Hsin-Ying Wang ,  Chun-Hsiang Tu ,  Yu-Ting Huang

IPC: H01L29/207 ,  H01L33/38 ,  H01L33/14 ,  H01L33/20

Abstract: A light-emitting device is provided. The light-emitting device comprises a substrate; a semiconductor stack on the substrate comprising a first region and a second region; a first trench extending from the semiconductor stack to the substrate to expose a surface of the substrate and separating the first region from the second region; and a first electrode comprising a first pad on the first region and a first extending electrode connecting to the first pad, wherein the first extending electrode is across the first trench.

公开(公告)号：US09653666B2

公开(公告)日：2017-05-16

申请号：US15078761

申请日：2016-03-23

Applicant: EPISTAR CORPORATION

Inventor： Wei-Chih Peng ,  Jhih-Jheng Yang ,  Victor Liu ,  Hong-Yi Lei ,  Min Hsun Hsieh

IPC: H01L33/20 ,  H01L33/60 ,  H01L33/22 ,  H01L33/00

CPC classification number: H01L33/22 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/0095 ,  H01L33/60 ,  H01L2933/0058 ,  H01L2933/0091

Abstract: A method of manufacturing a light-emitting device comprises the steps of: providing a substrate; forming a mask block contacting the substrate and exposing a portion of the substrate; implanting an ion into the portion of the substrate to form an ion implantation region; and forming a semiconductor stack on the substrate such that multiple cavities are formed between the semiconductor stack and the ion implantation region; wherein the mask block comprises a material made of metal or oxide.