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公开(公告)号:US11810943B2
公开(公告)日:2023-11-07
申请号:US17901655
申请日:2022-09-01
Applicant: EPISTAR CORPORATION
Inventor: Po-Shun Chiu , Tsung-Hsun Chiang , Liang-Sheng Chi , Jing Jiang , Jie Chen , Tzung-Shiun Yeh , Hsin-Ying Wang , Hui-Chun Yeh , Chien-Fu Shen
CPC classification number: H01L27/153 , F21K9/00 , H01L33/36 , H01L33/62
Abstract: A light-emitting device, includes a substrate, including an upper surface; a first light emitting unit and a second light emitting unit, formed on the upper surface, wherein each of the first light emitting unit and the second light emitting unit includes a lower semiconductor portion and an upper semiconductor portion; and a conductive structure electrically connecting the first light emitting unit and the second light emitting unit; wherein the lower semiconductor portion of the first light emitting unit includes a first sidewall and a first upper surface; and wherein the first side wall includes a first sub-side wall and a second sub-side wall, an obtuse angle is formed between the first sub-side wall and the first upper surface and another obtuse angle is formed between the second sub-side wall and the upper surface.
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公开(公告)号:USD808913S1
公开(公告)日:2018-01-30
申请号:US29578711
申请日:2016-09-23
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Chien-Fu Shen , Tsun-Kai Ko
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公开(公告)号:USD797689S1
公开(公告)日:2017-09-19
申请号:US29575335
申请日:2016-08-24
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Jhih-Yong Yang , Chien-Fu Shen , Tsun-Kai Ko
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公开(公告)号:US09601674B2
公开(公告)日:2017-03-21
申请号:US14825787
申请日:2015-08-13
Applicant: EPISTAR CORPORATION
Inventor: Hui-Chun Yeh , Chien-Fu Shen , Tsun-Kai Ko
CPC classification number: H01L27/156 , H01L33/145 , H01L33/38
Abstract: A light-emitting device, including a substrate; a plurality of light-emitting units formed on the substrate, wherein the plurality of light-emitting units include a first light-emitting unit; a second light-emitting unit; and a group of light-emitting units formed between the first light-emitting unit and the second light-emitting unit, wherein each of the plurality of light-emitting unit includes a first-type semiconductor layer, a second-type semiconductor layer and an active layer formed between the first-type semiconductor layer and the second-type semiconductor layer; a plurality of electrical connections formed on the plurality of light-emitting units, electrically connecting each two of the light-emitting units adjacent; a first pad formed on the first light-emitting unit; a second pad and a third pad formed on the second light-emitting unit; wherein one of the plurality of electrical connection connects and extends from the second pad.
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公开(公告)号:USD810704S1
公开(公告)日:2018-02-20
申请号:US29579338
申请日:2016-09-29
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Chien-Fu Shen , Tsun-Kai Ko
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公开(公告)号:US09876146B2
公开(公告)日:2018-01-23
申请号:US15256263
申请日:2016-09-02
Applicant: EPISTAR CORPORATION
Inventor: Tsun-Kai Ko , Schang-Jing Hon , Chien-Kai Chung , Hui-Chun Yeh , An-Ju Lin , Chien-Fu Shen , Chen Ou
CPC classification number: H01L33/387 , H01L33/06 , H01L33/14 , H01L33/22 , H01L33/382 , H01L33/42 , H01L33/44 , H01L2924/0002 , H01L2924/00
Abstract: An optoelectronic semiconductor device comprises a substrate; a semiconductor system including a first conductivity layer, a second conductivity layer, and a conversion unit between the first conductivity layer and the second conductivity layer, wherein the first conductivity layer is closer to the substrate than the second conductivity layer is to the substrate, and the second conductivity layer comprises a top surface perpendicular to a thickness direction of the semiconductor system, and in a top view of the semiconductor system, an outline of the first conductivity layer surrounds an outline of the second conductivity layer; a first electrical connector on the first conductivity layer of the semiconductor system; a second electrical connector comprising a shape formed on the second conductivity layer of the semiconductor system; and a contact layer formed on the top surface of the second conductivity layer and having an outer perimeter at an inner side of the outline of the second conductivity layer in the top view of the semiconductor system, wherein the contact layer comprises a discontinuous region exposing the top surface of the second conductivity layer, the discontinuous region is formed along the shape of the second electrical connector.
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公开(公告)号:US09876052B2
公开(公告)日:2018-01-23
申请号:US14553446
申请日:2014-11-25
Applicant: EPISTAR CORPORATION
Inventor: Hui-Chun Yeh
CPC classification number: H01L27/156 , H01L25/0753 , H01L33/08 , H01L33/38 , H01L33/62 , H01L2224/18 , H01L2224/32225 , H01L2224/48091 , H01L2224/48227 , H01L2224/49107 , H01L2224/73265 , H01L2224/73267 , H01L2924/00014 , H01L2924/00
Abstract: A light-emitting diode device includes a substrate; a plurality of light-emitting units formed on the substrate, wherein the light-emitting units form a serially-connected array, including n adjacent light-emitting unit rows, wherein n≧5, and the light-emitting units in the same rows connect vertically and/or the light-emitting units in the same columns connect horizontally, and a connecting direction of at least three light-emitting units in two adjacent rows are the same; a plurality of conductive connecting structures connecting the plurality of light-emitting units; a first contact light-emitting unit formed on the substrate and in the first light-emitting unit row; and a second contact light-emitting unit formed on the substrate and in the nth light-emitting unit row; at least three light-emitting units in the first light-emitting unit row have a 1st area, and at least three light-emitting units in the nth light-emitting unit row have a 2nd area, wherein the 1st area and the 2nd area are not equal.
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公开(公告)号:USD797065S1
公开(公告)日:2017-09-12
申请号:US29578539
申请日:2016-09-22
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Jhih-Yong Yang , Chien-Fu Shen , Tsun-Kai Ko
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公开(公告)号:USD795206S1
公开(公告)日:2017-08-22
申请号:US29564987
申请日:2016-05-17
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Jhih-Yong Yang , Chien-Fu Shen , Tsun-Kai Ko
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公开(公告)号:USD773410S1
公开(公告)日:2016-12-06
申请号:US29507206
申请日:2014-10-24
Applicant: EPISTAR CORPORATION
Designer: Hui-Chun Yeh , Chien-Fu Shen , Tsun-Kai Ko
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