公开(公告)号：US20170207368A1

公开(公告)日：2017-07-20

申请号：US15474476

申请日：2017-03-30

Applicant: EPISTAR CORPORATION

Inventor： Hong-Che CHEN ,  Chien-Fu SHEN ,  Chao-Hsing CHEN ,  Yu-Chen YANG ,  Jia-Kuen WANG ,  Chih-Nan LIN

IPC: H01L33/38 ,  H01L33/40

CPC classification number: H01L33/38 ,  H01L33/20 ,  H01L33/40 ,  H01L33/405 ,  H01L33/48 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12044 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.

公开(公告)号：US20140191277A1

公开(公告)日：2014-07-10

申请号：US14150418

申请日：2014-01-08

Applicant: Epistar Corporation

Inventor： Hong-Che CHEN ,  Chien-Fu SHEN ,  Chao-Hsing CHEN ,  Yu-Chen YANG ,  Jia-Kuen WANG ,  Chih-Nan LIN

IPC: H01L33/48

CPC classification number: H01L33/38 ,  H01L33/20 ,  H01L33/40 ,  H01L33/405 ,  H01L33/48 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12044 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light-emitting device comprises: a light-emitting semiconductor stack comprising a recess and a mesa, wherein the recess comprises a bottom and the mesa comprises an upper surface; a first insulating layer in the recess and on a part of the upper surface of the mesa; and a first electrode comprising a first layer and a second layer, wherein the first layer comprises a first conductive material and is on another part of the upper surface of the mesa, and the second layer comprises a second conductive material and is on the first layer.

Abstract translation: 发光装置包括：发光半导体堆叠，其包括凹部和台面，其中所述凹部包括底部，所述台面包括上表面; 在所述凹部中和所述台面的上表面的一部分上的第一绝缘层; 以及包括第一层和第二层的第一电极，其中所述第一层包括第一导电材料并且位于所述台面的上表面的另一部分上，并且所述第二层包括第二导电材料并且位于所述第一层上 。

公开(公告)号：US20160197237A1

公开(公告)日：2016-07-07

申请号：US15067517

申请日：2016-03-11

Applicant: EPISTAR CORPORATION

Inventor： Hong-Che CHEN ,  Chien-Fu SHEN ,  Chao-Hsing CHEN ,  Yu-Chen YANG ,  Jia-Kuen WANG ,  Chih-Nan LIN

IPC: H01L33/38 ,  H01L33/40

CPC classification number: H01L33/38 ,  H01L33/20 ,  H01L33/40 ,  H01L33/405 ,  H01L33/48 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12044 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.

Abstract translation: 发光装置包括包括多个凹部和台面的发光半导体堆叠，所述多个凹部中的每一个包括底表面，并且所述台面包括上表面; 形成在台面的上表面上的第一电极; 分别形成在所述多个凹部的底面上的多个第二电极; 形成在所述发光半导体堆叠上并与所述第一电极接触的第一电极焊盘; 形成在所述发光半导体堆叠上并与所述多个第二电极接触的第二电极焊盘; 第一绝缘层，包括多个通道以暴露所述多个第二电极; 以及形成在所述第一绝缘层上的多个空间的第二绝缘层，其中所述多个空间被所述第一电极焊盘覆盖。

公开(公告)号：US20180145223A1

公开(公告)日：2018-05-24

申请号：US15862368

申请日：2018-01-04

Applicant: EPISTAR CORPORATION

Inventor： Hong-Che CHEN ,  Chien-Fu SHEN ,  Chao-Hsing CHEN ,  Yu-Chen YANG ,  Jia-Kuen WANG ,  Chih-Nan LIN

IPC: H01L33/38 ,  H01L33/40

CPC classification number: H01L33/38 ,  H01L33/20 ,  H01L33/40 ,  H01L33/405 ,  H01L33/48 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/12044 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light-emitting device comprises a light-emitting semiconductor stack comprising a plurality of recesses and a mesa, each of the plurality of recesses comprising a bottom surface, and the mesa comprising an upper surface; a first electrode formed on the upper surface of the mesa; a plurality of second electrodes respectively formed on the bottom surface of the plurality of recesses; a first electrode pad formed on the light-emitting semiconductor stack and contacting with the first electrode; a second electrode pad formed on the light-emitting semiconductor stack and contacting with the plurality of second electrode; a first insulating layer comprising a plurality of passages to expose the plurality of second electrodes; and a second insulating layer comprising a plurality of spaces and formed on the first insulating layer, wherein the plurality of spaces is covered by the first electrode pad.

公开(公告)号：US20140084327A1

公开(公告)日：2014-03-27

申请号：US14019303

申请日：2013-09-05

Applicant: EPISTAR CORPORATION

Inventor： Yu-Chen YANG ,  Chih-Nan LIN ,  Jung-Tsung WU ,  Chien-Fu SHEN

IPC: H01L33/62

CPC classification number: H01L33/62 ,  H01L33/20 ,  H01L33/22 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A light-emitting device comprises: a substrate having a first side and a second side opposite to the first side; a light-emitting stack disposed on the first side and emitting a light having a main wavelength of λ nm; wherein the substrate comprises a first surface on the first side, the first surface comprising a first pattern arranged with a first period, the first pattern comprising a second pattern arranged with a second period; and the first period is greater than 6λ, and the second period is smaller than λ nm.

Abstract translation: 发光装置包括：具有第一侧和与第一侧相对的第二侧的基板; 布置在所述第一侧并发射主波长为λnm的光的发光层; 其中所述基板包括在所述第一侧上的第一表面，所述第一表面包括布置有第一周期的第一图案，所述第一图案包括以第二周期布置的第二图案; 第一周期大于6λ，第二周期小于λnm。