公开(公告)号：US20240339561A1

公开(公告)日：2024-10-10

申请号：US18604563

申请日：2024-03-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Song CHAE ,  Dae Hyun KIM ,  Sang Ho PARK ,  Jae Woong YOO ,  Chul Jong YOO ,  Sang Hoon LEE ,  Joo Hee LEE ,  Jin Hyuk JANG ,  Sang Ho JEON ,  Seon Hong CHOI

IPC: H01L33/02 ,  H01L25/16 ,  H01L33/00 ,  H01L33/44

CPC classification number: H01L33/025 ,  H01L25/167 ,  H01L33/0066 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light emitting element may include a semiconductor stack structure including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer disposed on a side portion of the semiconductor stack structure. The semiconductor stack structure may include a fluorinated area disposed adjacent to the insulating layer.

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：US20240038943A1

公开(公告)日：2024-02-01

申请号：US18020148

申请日：2021-07-01

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Tae Jin KONG ,  Ock Soo SON ,  Hyun Min CHO ,  Chang Il TAE

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

CPC classification number: H01L33/505 ,  H01L25/0753 ,  H01L33/382

Abstract: A display device includes: a first substrate including sub-pixels including light emitting areas; first electrodes and second electrodes disposed on the first substrate and spaced apart from each other; light emitting elements disposed on the first substrate and disposed on the first electrodes and the second electrodes in the light emitting areas of the sub-pixels; a color control member disposed on the light emitting elements and including light transmitting layers and wavelength conversion layers; a second substrate facing the first substrate and including light transmitting areas overlapping the sub-pixels; color filter layers disposed on a surface of the second substrate facing the first substrate; and a base layer disposed between the first substrate and the second substrate and disposed between at least the wavelength conversion layers and the color filter layers.

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：US20220278173A1

公开(公告)日：2022-09-01

申请号：US17624673

申请日：2020-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Su Mi MOON ,  Xinxing LI ,  Hee Keun LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device may include a first sub-pixel including a first light emitting element disposed in a first sub-pixel area of a substrate, a second sub-pixel including a second light emitting element disposed in a second sub-pixel area located in a first direction with respect to the first sub-pixel area of the substrate, a bank layer disposed between the first and second sub-pixels, a first color filter pattern disposed on the first sub-pixel and the bank layer, and a second color filter pattern disposed on the second sub-pixel and the bank layer. The first light emitting element may emit light having a first color. The second light emitting element may emit light having a second color. The first color filter pattern and the second color filter pattern may at least partially overlap each other on the bank layer.

公开(公告)号：US20210359165A1

公开(公告)日：2021-11-18

申请号：US17284345

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Hyun Min CHO ,  Dong Hyun KIM

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

Abstract: A light emitting device may include at least one first electrode and at least one second electrode disposed on different layers on a substrate; a first insulating layer disposed between the first electrode and the second electrode; and at least one light emitting diode electrically connected between the at least one first electrode and the second electrode.

公开(公告)号：US20210296538A1

公开(公告)日：2021-09-23

申请号：US17258419

申请日：2018-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Xinxing LI ,  Dae Hyun KIM ,  Veidhes BASRUR ,  Hee Keun LEE ,  Chang Il TAE

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

Abstract: The present application relates to a light emitting device, manufacturing method thereof, and a display device provided therewith. The light emitting device may include: a substrate; a first electrode provided on the substrate, and a second electrode disposed on a plane identical with a plane of the first electrode at a position spaced apart from the first electrode; at least one light emitting element provided on the substrate, and including a first end and a second end with respect to a longitudinal direction; a bridge pattern provided on the light emitting element, and coupled to the second end of the light emitting element; a first contact electrode provided on the substrate, and coupling the first electrode with the first end of the light emitting element; and a second contact electrode provided on the substrate, and coupling the bridge pattern with the second electrode.

公开(公告)号：US20210280746A1

公开(公告)日：2021-09-09

申请号：US17257756

申请日：2019-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Sung Chan JO

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

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.

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：US20210167124A1

公开(公告)日：2021-06-03

申请号：US17265799

申请日：2019-01-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Hyun Min CHO ,  Dong Uk KIM ,  Dong Eon LEE ,  Seung A LEE ,  Hyung Rae CHA

IPC: H01L27/15 ,  H01L33/12 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/00

Abstract: Provided are a light-emitting element, a manufacturing method thereof, and a display device comprising the light-emitting element. The method for manufacturing the light-emitting element comprises the steps of: preparing a lower substrate including a substrate and a buffer material layer formed on the substrate, forming a separating layer disposed on the lower substrate and including at least one graphene layer, forming an element deposition structure by depositing a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, forming an element rod by etching the element deposition structure and the separating layer in a vertical direction; and separating the element rod from the lower substrate to form a light emitting element.