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公开(公告)号：US20160343909A1
公开(公告)日：2016-11-24
申请号：US15228529
申请日：2016-08-04
Applicant: EPISTAR CORPORATION
Inventor： Chien-Kai CHUNG , Po-Shun CHIU , Hsin-Ying WANG , De-Shan KUO , Tsun-Kai KO , Yu-Ting HUANG
CPC classification number: H01L33/22 , H01L33/145 , H01L33/20 , H01L33/38 , H01L33/382
Abstract: A light-emitting device includes: a light-emitting stack including a first side, a second side opposite to the first side, a third side connecting the first side and the second side, and an upper surface between the first side and the second side; a first electrode pad formed on the upper surface; a second electrode pad formed on the upper surface, wherein the first electrode pad is closer to the first side than the second electrode pad; and a first extension electrode including a first section extended from the first electrode pad in a direction away from the third side, and a second section connecting to the first section and perpendicular to the first side; wherein a distance between the first electrode pad and the third side is smaller than a distance between the second electrode pad and the third side.
Abstract translation: 发光装置包括：发光堆叠，包括第一侧，与第一侧相对的第二侧，连接第一侧和第二侧的第三侧以及第一侧和第二侧之间的上表面 ; 形成在上表面上的第一电极焊盘; 形成在所述上表面上的第二电极焊盘，其中所述第一电极焊盘比所述第二电极焊盘更靠近所述第一侧; 以及第一延伸电极，其包括从远离所述第三侧的方向从所述第一电极焊盘延伸的第一部分，以及连接到所述第一部分并垂直于所述第一侧的第二部分; 其中所述第一电极焊盘和所述第三侧之间的距离小于所述第二电极焊盘和所述第三侧之间的距离。
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公开(公告)号：US20180315889A1
公开(公告)日：2018-11-01
申请号：US16030437
申请日：2018-07-09
Applicant: EPISTAR CORPORATION
Inventor： Chien-Kai CHUNG , Po-Shun CHIU , Hsin-Ying WANG , De-Shan KUO , Tsun-Kai KO , Yu-Ting HUANG
CPC classification number: H01L33/22 , H01L33/145 , H01L33/20 , H01L33/38 , H01L33/382
Abstract: A light-emitting device includes: a rectangular shape with a first side, a second side opposite to the first side, and a third side connecting the first side and the second side; a light-emitting stack, comprising a lower semiconductor layer, an upper semiconductor layer, and an active layer between the lower semiconductor layer and the upper semiconductor layer; a first electrode formed on the lower semiconductor layer, comprising a first electrode pad and a first extension electrode; a second electrode formed on the upper semiconductor layer, comprising a second electrode pad and a second extension electrode; and a first current blocking layer formed between the lower semiconductor layer and the first electrode pad, wherein the first current blocking layer comprises a top surface and side surfaces; wherein the first electrode pad covers the top surface and the side surfaces of the first current blocking layer and contacts the lower semiconductor layer.
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公开(公告)号：US20170365741A1
公开(公告)日：2017-12-21
申请号：US15692759
申请日：2017-08-31
Applicant: EPISTAR CORPORATION
Inventor： Chien-Kai CHUNG , Po-Shun CHIU , Hsin-Ying WANG , De-Shan KUO , Tsun-Kai KO , Yu-Ting HUANG
CPC classification number: H01L33/22 , H01L33/145 , H01L33/20 , H01L33/38 , H01L33/382
Abstract: A light-emitting device includes: a rectangular shape with a 1st side, a 2nd side opposite to the 1st side, and a 3rd side connecting the 1st and the 2nd sides; a first electrode pad formed adjacent to the 3rd side; a second electrode pad formed adjacent to the 2nd side; a first extension electrode, extending from the first electrode pad in a direction away from the 3rd side and bended toward the 2nd side; and a second extension electrode, including a first and a second branches respectively extending from the second electrode pad; wherein a distance between the first electrode pad and the 3rd side is smaller than a distance between the second electrode pad and the 3rd side; wherein an end portion of the first branch includes a first arc bending to the 3rd side and a minimum distance between the first branch and the 1st side is smaller than a minimum distance between the second branch and the 1st side.
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