公开(公告)号：US20190245005A1

公开(公告)日：2019-08-08

申请号：US16389200

申请日：2019-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  F21K9/68 ,  H01L33/40 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  H01L33/60 ,  H01L33/62

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20190173034A1

公开(公告)日：2019-06-06

申请号：US16273694

申请日：2019-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L51/50 ,  H01L25/075 ,  H01L51/52 ,  H01L51/05

CPC classification number: H01L51/502 ,  F21Y2107/00 ,  H01L25/0753 ,  H01L25/0756 ,  H01L27/32 ,  H01L33/62 ,  H01L51/0512 ,  H01L51/5203 ,  H01L51/5271 ,  H01L51/5296 ,  H01L2933/0033

Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.

公开(公告)号：US20180019426A1

公开(公告)日：2018-01-18

申请号：US15650083

申请日：2017-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L51/50 ,  H01L51/05 ,  H01L51/52

CPC classification number: H01L51/502 ,  H01L25/0753 ,  H01L25/0756 ,  H01L27/32 ,  H01L33/62 ,  H01L51/0512 ,  H01L51/5203 ,  H01L51/5271 ,  H01L51/5296 ,  H01L2933/0033

Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.

公开(公告)号：US20240421180A1

公开(公告)日：2024-12-19

申请号：US18657486

申请日：2024-05-07

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Su SO ,  Moon Jung AN ,  Joo Yeol LEE

IPC: H01L27/15 ,  H01L25/18

Abstract: A light emitting element array includes: a base substrate; a plurality of light emitting elements on the base substrate; an insulating layer on side surfaces and one surface of each of the plurality of the light emitting elements and having an opening on the one surface; and a plurality of connection electrodes, each of the connection electrodes being at the opening in the one surface of the insulating layer of a corresponding one of the plurality of light emitting elements, the connection electrodes of neighboring light emitting elements of the plurality of light emitting elements have a different sizes, and connection electrodes of the plurality of light emitting elements are arranged on the base substrate in a repeating pattern.

公开(公告)号：US20240063359A1

公开(公告)日：2024-02-22

申请号：US18497954

申请日：2023-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Hyun Deok IM ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Joo Yeol LEE ,  Bek Hyun LIM ,  SUNG-CHAN JO

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1259 ,  H01L33/38 ,  H01L33/24

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.

公开(公告)号：US20230231000A1

公开(公告)日：2023-07-20

申请号：US18123429

申请日：2023-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68 ,  H01L33/62 ,  H01L33/60

CPC classification number: H01L27/15 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  F21K9/68 ,  H01L33/62 ,  H01L33/60

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20210265529A1

公开(公告)日：2021-08-26

申请号：US17315855

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Jong Hyuk KANG ,  Joo Yeol LEE ,  Hyun Deok IM ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L33/24 ,  H01L33/00 ,  H01L33/16 ,  H01L27/15 ,  H01L33/32 ,  H01L33/38 ,  H01L33/44

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US20190296200A1

公开(公告)日：2019-09-26

申请号：US16440906

申请日：2019-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Min CHO

IPC: H01L33/52 ,  H01L33/48 ,  H01L33/56 ,  H01L33/58 ,  H01L25/075

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US20180175104A1

公开(公告)日：2018-06-21

申请号：US15701455

申请日：2017-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  F21K9/68 ,  H01L33/40 ,  H01L33/00

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L33/005 ,  H01L33/405

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20180019377A1

公开(公告)日：2018-01-18

申请号：US15648578

申请日：2017-07-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Hyun KIM ,  Jong Hyuk KANG ,  Joo Yeol LEE ,  Hyun Deok IM ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L33/24 ,  H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/00 ,  H01L33/32 ,  H01L27/12 ,  G09G3/32

CPC classification number: H01L33/24 ,  G09G3/32 ,  G09G2300/0452 ,  G09G2310/0278 ,  H01L25/0753 ,  H01L27/1214 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/16 ,  H01L33/325 ,  H01L33/38 ,  H01L33/44 ,  H01L2224/95085 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.