公开(公告)号：US20230282797A1

公开(公告)日：2023-09-07

申请号：US18197729

申请日：2023-05-16

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Min JANG ,  Sung Hyun LEE ,  Chang Yeon KIM

IPC: H01L33/62 ,  H01L33/40 ,  H01L33/48 ,  H01L27/15 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/382 ,  H01L33/40 ,  H01L33/486

Abstract: A light emitting device including a first light emitting stack, a second light emitting stack disposed under the first light emitting stack, a third light emitting stack disposed under the second light emitting stack, first, second, third, and fourth connection electrodes disposed over the first light emitting stack, and electrically connected to the first, second, and third light emitting stacks, and bonding metal layers disposed on upper surfaces of the first, second, third, and fourth connection electrodes, in which each of the first, second, third, and fourth connection electrodes includes a groove on an upper surface thereof, and the bonding metal layers cover the grooves of the first, second, third, and fourth connection electrodes, respectively.

公开(公告)号：US20230143510A1

公开(公告)日：2023-05-11

申请号：US18079789

申请日：2022-12-12

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Hyeon CHAE ,  Chung Hoon LEE ,  Chang Yeon KIM ,  Seong Gyu JANG ,  Ho Joon LEE ,  Jong Min JANG

IPC: H01L25/13 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L25/13 ,  H01L25/0756 ,  H01L33/62 ,  H01L33/0093 ,  H01L25/0753 ,  H01L33/38

Abstract: A light emitting device for a display including a transparent member laterally extending in a first direction and having a first region and a second region surrounding the first region, first to third light emission regions disposed on the transparent member, a support substrate, first to fourth electrode pads disposed between the transparent member and the support substrate, and vias electrically connecting the electrode pads to the light emission regions, respectively, in which the fourth electrode pad is electrically connected to at least one of the vias, each light emission region is disposed in the first region and does not overlap the second region in a second direction, and the fourth electrode pad overlaps one of the vias and one of the light emission regions in the second direction, and the one of the vias and the one of the light emission regions are separated from each other.

公开(公告)号：US20220393063A1

公开(公告)日：2022-12-08

申请号：US17847122

申请日：2022-06-22

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chang Yeon KIM ,  Jong Hyeon CHAE ,  Chung Hoon LEE ,  Seong Gyu JANG ,  Jong Min JANG ,  Ho Joon LEE

IPC: H01L33/08 ,  H01L33/38 ,  H01L25/075 ,  H01L33/24 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/62

Abstract: A light emitting chip including a light emitting structure including first, second, and third light emitting sub-units to emit light of a first color, a second color, and a third color and vertically stacked on each other, and having at least one mesa structure and at least one sidewall having a stepped structure; a plurality of vias electrically connected to the light emitting sub-units, each via has a top surface exposed from the light emitting structure and a bottom surface contacting the light emitting structure, a part of the bottom surfaces of the vias disposed on substantially the same level; and a first passivation layer covering at least a part of the light emitting structure, in which the first passivation layer has a bottom surface exposing the light emitting structure to permit light from the first, second, and third sub-units to be emitted from the light emitting chip.

公开(公告)号：US20200185363A1

公开(公告)日：2020-06-11

申请号：US16789877

申请日：2020-02-13

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon CHAE ,  Jong Min JANG ,  Ho Joon LEE ,  Seong Gyu JANG

IPC: H01L25/075 ,  H01L33/62 ,  G02B5/26 ,  H01L33/42 ,  H01L33/40 ,  H01L33/38 ,  H01L33/22 ,  H01L33/08

Abstract: A light emitting device for a display including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed below the first LED sub-unit, and a filler disposed between the electrode pads, in which the electrode pads include a common electrode pad electrically connected in common to the first, second, and third LED sub-units, and first, second, and third electrode pads connected to the first, second, and third LED sub-units, respectively, the first, second, and third LED sub-units are independently drivable, light generated in the first LED sub-unit is configured to be emitted to the outside of the light emitting device through the second and third LED sub-units, and light generated in the second LED sub-unit is configured to be emitted to the outside through the third LED sub-unit.

公开(公告)号：US20200066690A1

公开(公告)日：2020-02-27

申请号：US16673114

申请日：2019-11-04

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon CHAE ,  Chang Yeon KIM ,  Seong Gyu JANG ,  Ho Joon LEE ,  Jong Min JANG ,  Dae Sung CHO

IPC: H01L25/075 ,  H01L33/50 ,  H01L33/08 ,  H01L33/38

Abstract: A light emitting device for a display including a plurality of pixel regions defined between at least one separation region disposed between the pixel regions, and a barrier disposed in the separation region, in which each of the pixel regions includes a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and electrode pads electrically connected to the first, second, and third LED stacks, the electrode pads comprising a common electrode pad, a first electrode pad, a second electrode pad, and a third electrode pad, the common electrode pad is connected to the first, second, and third LED stacks, the first, second, and third electrode pads are connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.

公开(公告)号：US20200058825A1

公开(公告)日：2020-02-20

申请号：US16536691

申请日：2019-08-09

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Min JANG ,  Chang Yeon KIM

IPC: H01L33/00 ,  H01L33/14 ,  H01L33/38 ,  H01L33/52 ,  H01L27/15

Abstract: A light emitting device including first, second, and third light emitting parts disposed one over another and each including an n-type semiconductor layer, an active layer, a p-type semiconductor layer, a first adhesion layer disposed between the first and second light emitting parts and including first coupling patterns that are adhesive and conductive, and a second adhesion layer disposed between the second and third light emitting parts and including second coupling patterns that are adhesive and conductive, in which the third light emitting part has a mesa structure exposing a portion of the second coupling patterns of the second adhesion layer.

公开(公告)号：US20190214373A1

公开(公告)日：2019-07-11

申请号：US16207881

申请日：2018-12-03

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon CHAE ,  Jong Min JANG ,  Ho Joon LEE ,  Seong Gyu JANG

IPC: H01L25/075 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/62 ,  H01L33/64 ,  G02B5/26

Abstract: A light emitting device for a display includes a substrate and first, second, and third LED sub-units, a first transparent electrode between the first and second LED sub-units and in ohmic contact with the first LED sub-unit, a second transparent electrode between the second and third LED sub-units and in ohmic contact with the second LED sub-unit, a third transparent electrode between the second transparent electrode and the third LED sub-unit and in ohmic contact with the third LED sub-unit, at least one current spreader connected to at least one of the first, second, and third LED sub-units, electrode pads disposed on the substrate, and through-hole vias formed through the substrate, in which at least one of the through-hole vias is formed through the substrate and the first and second LED sub-units.

公开(公告)号：US20180351042A1

公开(公告)日：2018-12-06

申请号：US16100783

申请日：2018-08-10

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Min JANG ,  Seon Min BAE ,  Jae Hee LIM ,  Chang Yeon KIM ,  Chae Hon KIM

IPC: H01L33/32 ,  H01L33/20 ,  H01L33/06 ,  H01L33/40 ,  H01L33/62 ,  H01L33/64

Abstract: A light-emitting diode includes: a gallium nitride substrate; a first semiconductor layer disposed thereon; a mesa including a second semiconductor layer disposed on the first semiconductor layer and an intervening active layer; a first contact layer including an outer contact part in contact with the first semiconductor layer near an edge of the substrate and an inner contact part in contact with the first semiconductor layer within a region encompassed by the outer contact part; a second contact layer disposed on the mesa in contact with the second semiconductor layer; an upper insulation layer having first and second opening parts overlapping the first and second contact layers; and first and second electrode pads electrically connected to the first and second contact layers through the first and second opening parts, wherein the LED can be driven at 150 A/cm2 or more and has a maximum junction temperature of 180° C. or more.

公开(公告)号：US20160365486A1

公开(公告)日：2016-12-15

申请号：US15244744

申请日：2016-08-23

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chang Yeon KIM ,  Sung Su SON ,  Joon Sup LEE ,  Jong Hyeon CHAE

IPC: H01L33/38 ,  H01L33/24 ,  H01L33/06 ,  H01L33/48 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/24 ,  H01L33/486 ,  H01L33/62 ,  H01L33/647 ,  H01L2224/16225 ,  H01L2933/0016

Abstract: A light emitting device includes a light emitting structure including a support structure including a first bulk electrode a second bulk electrode disposed on and electrically connected to the first electrode and the second electrode, respectively. A substrate is disposed adjacent to the support structure, wherein each of the first and second bulk electrodes includes an upper region and a lower region with the upper regions of the first and second bulk electrodes being separated from each other by a first distance. The substrate includes a first interconnection portion and a second interconnection portion electrically connected to the first bulk electrode and the second bulk electrode, respectively, and separated from each other by a second distance. The second distance is greater than the first distance.

Abstract translation: 发光器件包括发光结构，其包括支撑结构，该支撑结构包括分别设置在第一电极和第二电极上并与之电连接的第一体电极和第二体电极。 衬底被布置成与支撑结构相邻，其中第一和第二体电极中的每一个包括上部区域和下部区域，其中第一和第二体电极的上部区域彼此分开第一距离。 衬底包括分别电连接到第一体电极和第二体电极的第一互连部分和第二互连部分，并且彼此分开第二距离。 第二距离大于第一距离。

公开(公告)号：US20150243847A1

公开(公告)日：2015-08-27

申请号：US14694651

申请日：2015-04-23

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chang Yeon KIM ,  Da Hye Kim ,  Hong Chul Lim ,  Joon Hee Lee ,  Jong Kyun You

IPC: H01L33/38 ,  H01L33/20 ,  H01L33/40 ,  H01L33/32

CPC classification number: H01L33/382 ,  H01L33/007 ,  H01L33/0079 ,  H01L33/20 ,  H01L33/22 ,  H01L33/32 ,  H01L33/38 ,  H01L33/40 ,  H01L33/405 ,  H01L33/46 ,  H01L2224/48463 ,  H01L2224/73265

Abstract: Exemplary embodiments of the present invention relate to a high-efficiency light emitting diode (LED). The LED according to an exemplary embodiment includes a substrate, a semiconductor stack arranged on the substrate, wherein the semiconductor stack has a p-type semiconductor layer, an active layer and an n-type semiconductor layer, a first metal layer interposed between the substrate and the semiconductor stack, the first metal layer ohmic-contacted with the semiconductor stack, a first electrode pad arranged on the semiconductor stack, an electrode extension extending from the first electrode pad, wherein the electrode extension has a contact region contacting the n-type semiconductor layer, a first insulating layer interposed between the substrate and the semiconductor stack, wherein the first insulating layer covers a surface region of the p-type semiconductor layer under the contact region of the electrode extension, and a second insulating layer interposed between the first electrode pad and the semiconductor stack.

Abstract translation: 本发明的示例性实施例涉及一种高效率发光二极管（LED）。 根据示例性实施例的LED包括衬底，布置在衬底上的半导体堆叠，其中半导体堆叠具有p型半导体层，有源层和n型半导体层，插入在衬底之间的第一金属层 半导体堆叠，与半导体堆叠欧姆接触的第一金属层，布置在半导体堆叠上的第一电极焊盘，从第一电极焊盘延伸的电极延伸部，其中电极延伸部具有接触n型 半导体层，插入在所述基板和所述半导体堆叠之间的第一绝缘层，其中所述第一绝缘层覆盖所述电极延伸部的接触区域下方的所述p型半导体层的表面区域，以及插入在所述第一绝缘层之间的第二绝缘层 电极焊盘和半导体堆叠。