公开(公告)号：US20220173080A1

公开(公告)日：2022-06-02

申请号：US17526306

申请日：2021-11-15

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  Sang Min KIM ,  Seongchan PARK ,  Yeonkyu PARK ,  Jae Hee LIM

IPC: H01L25/075 ,  H01L33/46 ,  H01L33/58 ,  H01L33/62

Abstract: A unit pixel and a displaying apparatus including the unit pixel are provided. The unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, a light blocking layer disposed between the transparent substrate and the light emitting devices, and having at least one window, and a semi-transmissive layer disposed between at least one of the plurality of light emitting devices and the transparent substrate to overlap with the window at least partially.

公开(公告)号：US20210384388A1

公开(公告)日：2021-12-09

申请号：US17339379

申请日：2021-06-04

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  Sang Min KIM ,  Jae Hee LIM

IPC: H01L33/54 ,  H01L33/62 ,  H01L27/15

Abstract: A unit pixel according includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an adhesive layer disposed between the light emitting devices and the transparent substrate to bond the light emitting devices. The adhesive layer is sealed inside the unit pixel.

公开(公告)号：US20250022856A1

公开(公告)日：2025-01-16

申请号：US18897449

申请日：2024-09-26

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  Sang Min KIM ,  Seongchan PARK ,  Yeonkyu PARK ,  Jae Hee LIM

IPC: H01L25/075 ,  H01L33/10 ,  H01L33/46 ,  H01L33/58 ,  H01L33/60 ,  H01L33/62

Abstract: A unit pixel and a displaying apparatus including the unit pixel are provided. The unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, a light blocking layer disposed between the transparent substrate and the light emitting devices, and having at least one window, and a semi-transmissive layer disposed between at least one of the plurality of light emitting devices and the transparent substrate to overlap with the window at least partially.

公开(公告)号：US20210343782A1

公开(公告)日：2021-11-04

申请号：US17242911

申请日：2021-04-28

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  Sang Min KIM ,  Jae Hee LIM

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/62 ,  H01L27/02

Abstract: A unit pixel includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an electrostatic discharge (ESD) protector disposed on the transparent substrate and protecting at least one of the light emitting devices from electrostatic discharge.

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：US20240222564A1

公开(公告)日：2024-07-04

申请号：US18608508

申请日：2024-03-18

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Min JANG ,  Chae Hon KIM ,  Chang Youn KIM ,  Jae Hee LIM

IPC: H01L33/40 ,  H01L23/00 ,  H01L33/00 ,  H01L33/10 ,  H01L33/20 ,  H01L33/22 ,  H01L33/32 ,  H01L33/46 ,  H01L33/60

CPC classification number: H01L33/405 ,  H01L24/13 ,  H01L33/10 ,  H01L33/32 ,  H01L33/60 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/20 ,  H01L33/22 ,  H01L33/46 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting diode including a side reflection layer. The light emitting diode includes: a semiconductor stack and a light exit surface having a roughened surface through which light generated from an active layer is emitted; side surfaces defining the light exit surface; and a side reflection layer covering at least part of the side surfaces. The light exit surface is disposed over a first conductivity type semiconductor layer opposite to the ohmic reflection layer, all layers from the active layer to the light exit surface are formed of gallium nitride-based semiconductors, and a distance from the active layer to the light exit surface is 50 μm or more.

公开(公告)号：US20210367124A1

公开(公告)日：2021-11-25

申请号：US17322129

申请日：2021-05-17

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  Sang Min KIM ,  Seongchan PARK ,  Yeonkyu PARK ,  Jae Hee LIM ,  Jinkyu JANG

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/22 ,  H01L33/58 ,  H01L33/54 ,  H01L33/46

Abstract: A unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, connection layers electrically connected to the light emitting devices, and bonding pads disposed over the connection layers and electrically connected to the connection layers. The bonding pads are partially overlapped with at least one of the light emitting devices in a vertical direction, respectively.

公开(公告)号：US20180151780A1

公开(公告)日：2018-05-31

申请号：US15816201

申请日：2017-11-17

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Min JANG ,  Chang Yeon KIM ,  Jae Hee LIM

IPC: H01L33/46 ,  H01L33/24 ,  H01L33/10 ,  H01L33/62 ,  H01L33/22

CPC classification number: H01L33/46 ,  H01L33/10 ,  H01L33/20 ,  H01L33/22 ,  H01L33/24 ,  H01L33/382 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0025 ,  H01L2933/0033

Abstract: A light emitting diode including a light blocking layer is disclosed. The light emitting diode includes: a substrate including an upper surface and side surfaces; a semiconductor stack disposed under the substrate and including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer interposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer; and a light blocking layer covering the upper surface and the side surfaces of the substrate to define a light emitting surface on the upper surface of the substrate. The size of a light emitting surface of the light emitting diode can be easily controlled using the light blocking layer.

公开(公告)号：US20240258362A1

公开(公告)日：2024-08-01

申请号：US18633673

申请日：2024-04-12

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Namgoo CHA ,  San Min KIM ,  Jae Hee LIM

IPC: H01L27/15 ,  H01L25/075 ,  H01L27/02 ,  H01L33/62

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L27/0255 ,  H01L33/62

Abstract: A unit pixel includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an electrostatic discharge (ESD) protector disposed on the transparent substrate and protecting at least one of the light emitting devices from electrostatic discharge.

公开(公告)号：US20240079534A1

公开(公告)日：2024-03-07

申请号：US18503590

申请日：2023-11-07

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chung Hoon LEE ,  Sung Su SON ,  Jong Ik LEE ,  Jae Hee LIM ,  Motonobu TAKEYA ,  Seung Sik HONG

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/504 ,  H01L25/0753 ,  H01L33/62

Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 μm.