公开(公告)号：US09601667B2

公开(公告)日：2017-03-21

申请号：US15004450

申请日：2016-01-22

Applicant: EPISTAR CORPORATION

Inventor： Wen-Luh Liao ,  Hung-Ta Cheng ,  Yao-Ru Chang ,  Shih-I Chen ,  Chia-Liang Hsu

IPC: H01L33/36 ,  H01L33/46 ,  H01L33/06 ,  H01L33/38 ,  H01L33/42 ,  H01L33/44

CPC classification number: H01L33/46 ,  H01L33/06 ,  H01L33/36 ,  H01L33/38 ,  H01L33/387 ,  H01L33/42 ,  H01L33/44

Abstract: A light-emitting device is provided. The light-emitting device comprises: a light-emitting stack having an active layer; an electrode structure on the light-emitting stack and comprising a first electrode and an extension electrode protruding from the first electrode toward an edge of the light-emitting device in a first extending direction; a transparent insulating layer between the light-emitting stack and the electrode structure, wherein the transparent insulating layer comprises a first part and an extension part protruding from the first part toward the edge of the light-emitting device in a second extending direction; wherein a surface area of a surface of the first electrode distal from the transparent insulating layer is smaller than a surface area of a surface of the transparent insulating layer distal from the light-emitting stack, the first electrode is right above the first part, and a part of the extension electrode is right above the extension part.

公开(公告)号：US09276176B2

公开(公告)日：2016-03-01

申请号：US14515147

申请日：2014-10-15

Applicant: EPISTAR CORPORATION

Inventor： Wen-Luh Liao ,  Hung-Ta Cheng ,  Yao-Ru Chang ,  Shih-I Chen ,  Chia-Liang Hsu

IPC: H01L33/36 ,  H01L33/46 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/38

CPC classification number: H01L33/46 ,  H01L33/06 ,  H01L33/36 ,  H01L33/38 ,  H01L33/387 ,  H01L33/42 ,  H01L33/44

Abstract: A light-emitting device comprises: a light-emitting stack having an active layer; a transparent insulating layer on the light-emitting stack; and an electrode structure having a first electrode on the transparent insulating layer; wherein a surface area of a surface of the first electrode distal from the transparent insulating layer is smaller than a surface area of a surface of the transparent insulating layer distal from the light-emitting stack, the refractive index of the transparent insulating layer is between 1 and 3.4 both inclusive, and the transmittance of the transparent insulating layer is greater than 80%.

Abstract translation: 发光装置包括：具有活性层的发光叠层; 在发光叠层上的透明绝缘层; 以及在透明绝缘层上具有第一电极的电极结构; 其中，所述第一电极的远离所述透明绝缘层的表面的表面积小于远离所述发光层的所述透明绝缘层的表面的表面积，所述透明绝缘层的折射率在1 和3.4，并且透明绝缘层的透射率大于80％。

公开(公告)号：US11227978B2

公开(公告)日：2022-01-18

申请号：US16680214

申请日：2019-11-11

Applicant: EPISTAR CORPORATION

Inventor： Wen-Luh Liao ,  Cheng-Long Yeh ,  Ko-Yin Lai ,  Yao-Ru Chang ,  Yung-Fu Chang ,  Yi Hsiao ,  Shih-Chang Lee

IPC: H01L33/62 ,  H01L33/38

Abstract: A semiconductor device and a package structure are provided. The semiconductor device includes a substrate, a light-emitting structure, a first semiconductor layer, a second semiconductor layer and a first electrode. The light-emitting structure is on the substrate. The first semiconductor layer is on the light-emitting structure. The second semiconductor layer is between the first semiconductor layer and the light-emitting structure. The first electrode is on the second semiconductor layer. At least a portion of the first electrode is separated from the first semiconductor layer.

公开(公告)号：US11227975B2

公开(公告)日：2022-01-18

申请号：US16549822

申请日：2019-08-23

Applicant: EPISTAR CORPORATION

Inventor： Yung-Fu Chang ,  Fan-Lei Wu ,  Shih-Chang Lee ,  Wen-Luh Liao ,  Hung-Ta Cheng ,  Chih-Chaing Yang ,  Yao-Ru Chang ,  Yi Hsiao ,  Hsiang Chang

IPC: H01L33/20

Abstract: A semiconductor structure includes a carrier having a surface, a supporting element, a semiconductor stack and a bridge layer. The supporting element is on the surface. The semiconductor stack is on the surface and has a side surface. The bridge layer includes a first portion connecting to the supporting element, a second portion, and a third portion connecting to the semiconductor stack. The second portion is extended from the third portion toward the first portion and is protruded from the side surface.

公开(公告)号：US10312407B2

公开(公告)日：2019-06-04

申请号：US16041398

申请日：2018-07-20

Applicant: EPISTAR CORPORATION

Inventor： Cheng-Feng Yu ,  Ching-Yuan Tsai ,  Yao-Ru Chang ,  Hsin-Chan Chung ,  Shih-Chang Lee ,  Wen-Luh Liao ,  Cheng-Hsing Chiang ,  Kuo-Feng Huang ,  Hsu-Hsuan Teng ,  Hung-Ta Cheng ,  Yung-Fu Chang

IPC: H01L27/15 ,  H01L33/06 ,  H01L33/00 ,  H01L33/30 ,  H01L33/42 ,  H01L33/46 ,  H01L33/62 ,  H01L33/60 ,  H01L33/64

Abstract: A light-emitting device is provided. The light-emitting device comprises a substrate; an insulating layer on the substrate, wherein the insulating layer comprises a first hole; a light-emitting stack on the insulating layer and comprising an active region comprising a top surface, wherein the top surface comprises a first part and a second part; and an opaque layer covering the first part of the top surface and exposing the second part of the top surface, wherein the second part is directly above the first hole.

公开(公告)号：US09748443B2

公开(公告)日：2017-08-29

申请号：US15410441

申请日：2017-01-19

Applicant: EPISTAR CORPORATION

Inventor： Yao-Ru Chang ,  Wen-Luh Liao ,  Chun-Yu Lin ,  Hsin-Chan Chung ,  Hung-Ta Cheng

IPC: H01L33/00 ,  H01L33/30 ,  H01L33/38 ,  H01L33/62 ,  H01L33/44 ,  H01L33/24

CPC classification number: H01L33/44 ,  H01L33/08 ,  H01L33/20 ,  H01L33/22 ,  H01L33/24 ,  H01L33/305 ,  H01L33/38 ,  H01L33/62

Abstract: The present disclosure provides a light-emitting device, comprising: a light-emitting stack comprising an active layer, wherein the active layer is configured to emit light; a first semiconductor layer on the light-emitting stack; a first electrode formed on the first semiconductor layer and comprising an inner segment, an outer segment, and a plurality of extending segments electrically connecting the inner segment with the outer segment; and a light-absorbing layer having a first portion surrounding the first semiconductor layer in a top view.

公开(公告)号：US09082935B2

公开(公告)日：2015-07-14

申请号：US13668716

申请日：2012-11-05

Applicant: Epistar corporation

Inventor： Jhih-Sian Wang ,  Yao-Ru Chang ,  Yiwen Huang ,  Guo-Chin Liu

IPC: H01L33/00 ,  H01L33/38 ,  H01L27/15 ,  H01L33/22 ,  H01L33/32 ,  H01L33/40

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/10 ,  H01L33/22 ,  H01L33/32 ,  H01L33/38 ,  H01L33/385 ,  H01L33/40 ,  H01L33/405 ,  H01L33/44

Abstract: A light-emitting element includes: a light-emitting structure; a plurality of first contact portions separately on the light-emitting structure; and a plurality of reflective portions disposed separately among the plurality of first contact portions.

Abstract translation: 发光元件包括：发光结构; 分别在所述发光结构上的多个第一接触部; 以及在所述多个第一接触部分中分开设置的多个反射部。