公开(公告)号：US10854672B2

公开(公告)日：2020-12-01

申请号：US16219707

申请日：2018-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Yonghan Park ,  Sungchul Kim ,  Hyeyong Chu ,  Daehyun Kim ,  Keunkyu Song ,  Jooyeol Lee ,  Bekhyun Lim

IPC: H01L27/15 ,  H01L27/32 ,  H01L33/58 ,  H01L33/32 ,  H01L33/50 ,  H01L33/40 ,  H01L33/46 ,  G09G3/32

Abstract: A display device is capable of improving luminous efficiency and display quality and includes: a substrate; a thin film transistor on the substrate; a first electrode on the substrate and connected to the thin film transistor; a second electrode on the substrate and spaced apart from the first electrode; a plurality of light emitting elements between the first and second electrodes and electrically connected to each of the first and second electrodes; an insulating layer on the plurality of light emitting elements; and a reflective layer on the insulating layer. Each of the plurality of light emitting elements includes: a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer.

公开(公告)号：US10551671B2

公开(公告)日：2020-02-04

申请号：US15073849

申请日：2016-03-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jaebyung Park ,  Hyunmin Cho ,  Sung-jin Hong ,  Jaewoong Kang ,  Jooyeol Lee

IPC: G02F1/1335 ,  G02F1/1333

Abstract: A display device includes a display panel including a first display substrate and a backlight unit. The first display substrate includes a base substrate in which a groove is recessed from a first surface thereof, a light converting layer in the groove, and a protection layer overlapping the light converting layer in the groove and the first surface of the base substrate.

公开(公告)号：US20210020819A1

公开(公告)日：2021-01-21

申请号：US17061144

申请日：2020-10-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L33/62 ,  H01L33/06 ,  H01L33/08 ,  H01L25/075 ,  H05K1/02 ,  H05K1/11 ,  H01L33/38 ,  H01L33/20

Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

公开(公告)号：US12094863B2

公开(公告)日：2024-09-17

申请号：US17821462

申请日：2022-08-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Hyundeok Im ,  Jonghyuk Kang ,  Jaebyung Park ,  Jooyeol Lee ,  Chio Cho ,  Sungjin Hong

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15

CPC classification number: H01L25/167 ,  H01L33/20 ,  H01L33/38 ,  H01L25/0753 ,  H01L27/1214 ,  H01L27/156 ,  H01L2933/0016

Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.

公开(公告)号：US20230066918A1

公开(公告)日：2023-03-02

申请号：US18049967

申请日：2022-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L33/62 ,  H01L33/06 ,  H01L33/08 ,  H01L25/075 ,  H05K1/02 ,  H05K1/11 ,  H01L33/38 ,  H01L33/20

Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

公开(公告)号：US10797212B2

公开(公告)日：2020-10-06

申请号：US16154856

申请日：2018-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L33/62 ,  H01L33/06 ,  H01L33/08 ,  H01L25/075 ,  H05K1/02 ,  H05K1/11 ,  H01L33/38 ,  H01L33/20

Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

公开(公告)号：US10672946B2

公开(公告)日：2020-06-02

申请号：US15646590

申请日：2017-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Sungchul Kim ,  Jonghyuk Kang ,  Keunkyu Song ,  Jooyeol Lee ,  Hyundeok Im ,  Chio Cho ,  Hyeyong Chu ,  Sungjin Hong

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/00 ,  H01L25/075 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/40 ,  H01L33/44 ,  H05K1/11 ,  H05K1/18

Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.

公开(公告)号：US11798975B2

公开(公告)日：2023-10-24

申请号：US17108304

申请日：2020-12-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Yonghan Park ,  Sungchul Kim ,  Hyeyong Chu ,  Daehyun Kim ,  Keunkyu Song ,  Jooyeol Lee ,  Bekhyun Lim

IPC: H01L27/15 ,  G09G3/32 ,  H10K59/131 ,  H10K59/121 ,  H01L33/32 ,  H01L33/50 ,  H01L33/40 ,  H01L33/46 ,  H01L33/58

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/325 ,  H01L33/40 ,  H01L33/46 ,  H01L33/502 ,  H01L33/58 ,  H10K59/131 ,  G09G2310/08 ,  G09G2320/0233 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display device is capable of improving luminous efficiency and display quality and includes: a substrate; a thin film transistor on the substrate; a first electrode on the substrate and connected to the thin film transistor; a second electrode on the substrate and spaced apart from the first electrode; a plurality of light emitting elements between the first and second electrodes and electrically connected to each of the first and second electrodes; an insulating layer on the plurality of light emitting elements; and a reflective layer on the insulating layer. Each of the plurality of light emitting elements includes: a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer.

公开(公告)号：US11495717B2

公开(公告)日：2022-11-08

申请号：US17061144

申请日：2020-10-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L33/62 ,  H01L33/06 ,  H01L33/08 ,  H01L25/075 ,  H05K1/02 ,  H05K1/11 ,  H01L33/38 ,  H01L33/20

Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

公开(公告)号：US11424230B2

公开(公告)日：2022-08-23

申请号：US16507388

申请日：2019-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Hyundeok Im ,  Jonghyuk Kang ,  Jaebyung Park ,  Jooyeol Lee ,  Chio Cho ,  Sungjin Hong

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H01L25/075 ,  H01L27/15 ,  H01L27/12

Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.