公开(公告)号：US20200020839A1

公开(公告)日：2020-01-16

申请号：US16579218

申请日：2019-09-23

申请人： EPISTAR CORPORATION

发明人： Li-Ming CHANG ,  Tzung-Shiun YEH ,  Chien-Fu SHEN ,  Yu-Rui LIN ,  Chen OU ,  Hsin-Ying WANG ,  Hui-Chun YEH

IPC分类号： H01L33/62

摘要： A light-emitting device includes a first edge to a fourth edge; a semiconductor stack formed on a substrate, including a first semiconductor layer, a second semiconductor layer and an active layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode; and a second electrode formed on the second semiconductor layer, including a second pad electrode and a second finger electrode; wherein the first finger electrode is disposed at and along the first edge; and the first finger electrode includes a first overlapping portion overlapping the second finger electrode; the second finger electrode includes a second overlapping portion overlapping the first finger electrode and a non-overlapping portion that does not overlap the first finger electrode; and the second overlapping portion is not parallel with the first overlapping portion and the non-overlapping portion is not parallel with the first edge.

公开(公告)号：US20180212123A1

公开(公告)日：2018-07-26

申请号：US15874501

申请日：2018-01-18

申请人： EPISTAR CORPORATION

发明人： Li-Ming CHANG ,  Tzung-Shiun YEH ,  Chien-Fu SHEN ,  Yu-Rui LIN ,  Chen OU ,  Hsin-Ying WANG ,  Hui-Chun YEH

IPC分类号： H01L33/62

CPC分类号： H01L33/62 ,  F21K9/232 ,  F21Y2115/10 ,  H01L23/60 ,  H01L33/0016 ,  H01L33/06 ,  H01L33/14 ,  H01L33/20 ,  H01L33/22 ,  H01L33/30 ,  H01L33/32 ,  H01L33/38

摘要： A light-emitting element, includes a first edge, a second edge, a third edge and a fourth edge; a substrate; a semiconductor stack formed on the substrate, including a first semiconductor layer, a second semiconductor layer and an active layer formed therebetween; a transparent conductive layer, formed on the second semiconductor layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode extending from the first pad electrode; and a second electrode formed on the first second semiconductor layer, including a second pad electrode and a second finger electrode extending from the second pad electrode; wherein the first finger electrode is disposed at and along the first edge; and wherein in top view, an overlapping portions of the first finger electrode and the second finger electrode are non-parallel.

公开(公告)号：US20210020817A1

公开(公告)日：2021-01-21

申请号：US16985945

申请日：2020-08-05

申请人： EPISTAR CORPORATION

发明人： Li-Ming CHANG ,  Tzung-Shiun YEH ,  Chien-Fu SHEN ,  Yu-Rui LIN ,  Chen OU ,  Hsin-Ying WANG ,  Hui-Chun YEH

IPC分类号： H01L33/62 ,  H01L33/20

摘要： A light-emitting device includes: a substrate, including a first edge, a second edge, a third edge and a fourth edge; a semiconductor stack formed on the substrate, comprising a first semiconductor layer, a second semiconductor layer and an active layer; a first electrode formed on the first semiconductor layer, comprising a first pad electrode; and a second electrode formed on the second semiconductor layer, comprising a second pad electrode and a second finger electrode; wherein in a top view, the first pad electrode is adjacent to a corner of the substrate that is intersected by the first and the second edges; the second finger electrode is not parallel with the third and the first edges; and a distance between the second finger electrode and the first edge increases along a direction from an end of the second finger electrode that connects the second pad electrode toward the second edge.