公开(公告)号：US20220140037A1

公开(公告)日：2022-05-05

申请号：US17368832

申请日：2021-07-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunae PARK ,  Sunghwan Kim ,  Daehyun Kim

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display apparatus, which may prevent a defect of a pixel due to external electrostatic discharge, includes: a first pixel including a first node; a second pixel neighboring the first pixel and including a second node; and an always-off thin-film transistor including a first electrode, a second electrode, and a gate electrode, the first electrode being connected to the first node of the first pixel, the second electrode being connected to the second node of the second pixel, in which a turn-off voltage is applied to the gate electrode.

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：US20240324286A1

公开(公告)日：2024-09-26

申请号：US18437105

申请日：2024-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyun Kim ,  Sunghwan Kim ,  Heyjin Shin ,  Hwansoo Jang ,  Changkyu Jin ,  Wonkyu Kwak

IPC: H10K59/121 ,  H01L27/12 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/131 ,  H01L27/1222

Abstract: A display apparatus including a display area and a peripheral area includes: a first thin-film transistor in the peripheral area, and including a silicon semiconductor layer; a second thin-film transistor in the display area, and including an oxide semiconductor layer over the silicon semiconductor layer; and a semiconductor pattern in the display area at the same layer as that of the silicon semiconductor layer of the first thin-film transistor.

公开(公告)号：US20240242676A1

公开(公告)日：2024-07-18

申请号：US18408564

申请日：2024-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Daehyun Kim ,  Kyoungjin Park

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3258 ,  G09G3/2007 ,  G09G3/3233 ,  H10K59/131 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0242

Abstract: Provided are a pixel and a display apparatus including the same. The pixel includes a driving circuit connected to a gate line and a data line and including a driving transistor, a light-emitting diode connected to the driving circuit, and an initialization circuit connected between an initialization voltage line and a node to which the driving circuit and the light-emitting diode are connected. The initialization circuit is configured to transmit a second initialization voltage, obtained by subtracting a certain voltage from a first initialization voltage supplied through the initialization voltage line, to the node.

公开(公告)号：US20240099065A1

公开(公告)日：2024-03-21

申请号：US18354810

申请日：2023-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sujin Kim ,  Minjoo Kim ,  Daehyun Kim ,  Kyoungjin Park ,  Junghoon Shim ,  Seoni Jeong

IPC: H10K59/121 ,  G09G3/3233

CPC classification number: H10K59/1216 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861

Abstract: A display apparatus includes a first electrode and a second electrode that are disposed apart from each other on a substrate, a first insulating layer disposed on the substrate and overlapping the first electrode and the second electrode, a third electrode disposed on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer disposed on the first insulating layer and overlapping the third electrode, a fourth electrode disposed on the second insulating layer, overlapping the third electrode, and electrically connected to the first electrode, a third insulating layer disposed on the second insulating layer and overlapping the fourth electrode, and a fifth electrode disposed on the third insulating layer, overlapping the fourth electrode, and electrically connected to the third 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.

公开(公告)号：US11424229B2

公开(公告)日：2022-08-23

申请号：US16299735

申请日：2019-03-12

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.

公开(公告)号：US10943947B2

公开(公告)日：2021-03-09

申请号：US16282122

申请日：2019-02-21

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L29/18 ,  H01L27/15 ,  G09G3/32 ,  H01L25/075 ,  H01L33/62

Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.