公开(公告)号：US12074175B2

公开(公告)日：2024-08-27

申请号：US17822751

申请日：2022-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungwon Cho ,  Yu-Gwang Jeong ,  Daewon Choi ,  Seon-Il Kim ,  Subin Bae ,  Yun Jong Yeo

IPC: H01L27/14 ,  H01L27/12 ,  H01L29/786

CPC classification number: H01L27/1255 ,  H01L27/124 ,  H01L27/1259 ,  H01L29/78648

Abstract: A display substrate includes a substrate, a first gate electrode on the substrate, a first gate insulating layer on the first gate electrode, an active layer on the first gate insulating layer, a second gate insulating layer on the active layer, a second gate electrode on the second gate insulating layer, an interlayer insulating layer on the second gate electrode, a first electrode on the interlayer insulating layer to contact a top surface, a side wall, and a bottom surface of the active layer via a first contact hole through the interlayer insulating layer, the second gate insulating layer, the active layer, and a portion of the first gate insulating layer, and a second electrode on the interlayer insulating layer to contact the first gate electrode via a second contact hole through the interlayer insulating layer, the second gate insulating layer, and the first gate insulating layer.

公开(公告)号：US11678528B2

公开(公告)日：2023-06-13

申请号：US16953188

申请日：2020-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Gab Kim ,  Hyunmin Cho ,  Taesung Kim ,  Subin Bae ,  Yu-Gwang Jeong ,  Jinseock Kim

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00 ,  H01L27/12

CPC classification number: H01L27/3258 ,  H01L27/3248 ,  H01L27/3276 ,  H01L51/5218 ,  H01L51/56 ,  H01L27/1288 ,  H01L51/0018 ,  H01L2227/323 ,  H01L2251/558

Abstract: A method of manufacturing a display substrate may include the following steps: forming a drain electrode on a pixel area of a substrate; forming a pad electrode on a pad area of the substrate; forming an inorganic insulation layer that covers the drain electrode and the pad electrode; forming an organic insulation member that has a first thickness at the pixel area of the substrate, has a second thickness less than the first thickness at the pad area of the substrate, exposes a first portion of the inorganic insulation layer on the drain electrode, and exposes a second portion of the inorganic insulation layer on the pad electrode; removing the first portion of the inorganic insulation layer and the second portion of the inorganic insulation layer; and partially removing the organic insulation member.

公开(公告)号：US11462574B2

公开(公告)日：2022-10-04

申请号：US16896146

申请日：2020-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungwon Cho ,  Yu-Gwang Jeong ,  Daewon Choi ,  Seon-Il Kim ,  Subin Bae ,  Yun Jong Yeo

IPC: H01L27/14 ,  H01L27/12 ,  H01L29/786

Abstract: A display substrate includes a substrate, a first gate electrode on the substrate, a first gate insulating layer on the first gate electrode, an active layer on the first gate insulating layer, a second gate insulating layer on the active layer, a second gate electrode on the second gate insulating layer, an interlayer insulating layer on the second gate electrode, a first electrode on the interlayer insulating layer to contact a top surface, a side wall, and a bottom surface of the active layer via a first contact hole through the interlayer insulating layer, the second gate insulating layer, the active layer, and a portion of the first gate insulating layer, and a second electrode on the interlayer insulating layer to contact the first gate electrode via a second contact hole through the interlayer insulating layer, the second gate insulating layer, and the first gate insulating layer.

公开(公告)号：US11211441B2

公开(公告)日：2021-12-28

申请号：US16199226

申请日：2018-11-26

Applicant: Samsung Display Co., LTD.

Inventor： Yu-Gwang Jeong ,  Subin Bae ,  Joongeol Lee ,  Sanggab Kim

IPC: H01L27/32 ,  H01L51/50

Abstract: An OLED device includes a substrate, a first active layer, a first gate electrode, a second gate electrode, first source and first drain electrodes, a first high dielectric constant (high-k) insulation structure, and a light emitting structure. The substrate has a first region and a second region. The first active layer is disposed in the first region on the substrate. The first gate electrode is disposed on the first active layer, and has a first thickness. The second gate electrode is disposed on the first gate electrode. The first source electrode and first drain electrode are disposed on the second gate electrode, and constitutes a first semiconductor element together with the first active layer and the first gate electrode. The first high-k insulation structure is disposed between the first gate electrode and the second gate electrode, and is spaced apart from the first source electrode and first drain electrode.

公开(公告)号：US11211534B2

公开(公告)日：2021-12-28

申请号：US16698834

申请日：2019-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Subin Bae ,  Sungwon Cho ,  Yu-gwang Jeong ,  Sanggab Kim

IPC: H01L33/62 ,  H01L33/40 ,  H01L33/00 ,  H01L25/075

Abstract: A display device includes: a pixel circuit disposed on a base layer; an insulating layer disposed on the base layer covering the pixel circuit; a first electrode disposed on the insulating layer; a second electrode disposed on the insulating layer, the second electrode being spaced apart from the first electrode in a first direction; a light-emitting element disposed between the first electrode and the second electrode; a connection electrode connecting the first electrode and the light-emitting element and connecting the second electrode and the light-emitting element; a first auxiliary insulating layer disposed on the light-emitting element; and a second auxiliary insulating layer disposed on the first auxiliary insulating layer. The second auxiliary insulating layer includes a first insulating portion overlapped with the first auxiliary insulating layer, and a second insulating portion disposed outwardly from the first insulating portion and not overlapping the first auxiliary insulating layer.

公开(公告)号：US20200176656A1

公开(公告)日：2020-06-04

申请号：US16698834

申请日：2019-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Subin Bae ,  Sungwon Cho ,  Yu-gwang Jeong ,  Sanggab Kim

IPC: H01L33/62 ,  H01L33/40 ,  H01L25/075 ,  H01L33/00

Abstract: A display device includes: a pixel circuit disposed on a base layer; an insulating layer disposed on the base layer covering the pixel circuit; a first electrode disposed on the insulating layer; a second electrode disposed on the insulating layer, the second electrode being spaced apart from the first electrode in a first direction; a light-emitting element disposed between the first electrode and the second electrode; a connection electrode connecting the first electrode and the light-emitting element and connecting the second electrode and the light-emitting element; a first auxiliary insulating layer disposed on the light-emitting element; and a second auxiliary insulating layer disposed on the first auxiliary insulating layer. The second auxiliary insulating layer includes a first insulating portion overlapped with the first auxiliary insulating layer, and a second insulating portion disposed outwardly from the first insulating portion and not overlapping the first auxiliary insulating layer.

公开(公告)号：US20220415994A1

公开(公告)日：2022-12-29

申请号：US17699141

申请日：2022-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jungyun Jo ,  Subin Bae

IPC: H01L27/32

Abstract: A display apparatus includes a first semiconductor layer, a first gate insulating layer, a first conductive layer, an etch stop layer, a second gate insulating layer, a second conductive layer, a first interlayer insulating layer, a second semiconductor layer, a third gate insulating layer, a second interlayer insulating layer, and a first connection electrode layer that are sequentially stacked. The first connection electrode layer includes a first connection electrode contacting the first semiconductor layer via a contact hole defined in the first gate insulating layer, the etch stop layer, the second gate insulating layer, the first interlayer insulating layer, the third gate insulating layer, and the second interlayer insulating layer.

公开(公告)号：US10969889B2

公开(公告)日：2021-04-06

申请号：US16559540

申请日：2019-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Yu-gwang Jeong ,  Sanggab Kim ,  Subin Bae ,  Sungwon Cho

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G06F3/044 ,  H01L51/00

Abstract: Provided is an electronic apparatus. The electronic apparatus includes a base substrate which includes a front surface and a rear surface facing each other, and in which a module hole passing through the front and rear surfaces is defined, a thin film transistor disposed on the base substrate, a light emitting device including a first electrode connected to the thin film transistor, a second electrode disposed on the first electrode, and a light emitting pattern disposed between the first electrode and the second electrode, an encapsulation layer which covers the light emitting device, an input sensing unit disposed on the base substrate and including a plurality of first conductive patterns and second conductive patterns disposed on the first conductive patterns, and an insulation layer disposed between the first conductive patterns and the second conductive patterns. The encapsulation layer is disposed between the first conductive patterns and the second conductive patterns.

公开(公告)号：US20250048853A1

公开(公告)日：2025-02-06

申请号：US18922309

申请日：2024-10-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yugwang Jeong ,  Daesoo Kim ,  Sungwon Cho ,  Subin Bae

IPC: H10K59/123 ,  H01L27/12 ,  H01L29/786 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00

Abstract: A display apparatus includes: a substrate; a first semiconductor layer on the substrate, and including a silicon semiconductor; a second semiconductor layer on the first semiconductor layer, and including an oxide semiconductor; a first conductive layer on the second semiconductor layer; at least one metal layer between the first semiconductor layer and the first conductive layer; and a first contact hole to electrically connect the first semiconductor layer to the first conductive layer. An inner surface of the first contact hole includes a side surface of the at least one metal layer.

公开(公告)号：US12127445B2

公开(公告)日：2024-10-22

申请号：US17451880

申请日：2021-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Yugwang Jeong ,  Daesoo Kim ,  Sungwon Cho ,  Subin Bae

IPC: H01L27/14 ,  H01L27/12 ,  H01L29/786 ,  H10K59/12 ,  H10K59/121 ,  H10K59/123 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/123 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/1255 ,  H01L29/78648 ,  H01L29/78675 ,  H01L29/7869 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  H10K71/00

Abstract: A display apparatus includes: a substrate; a first semiconductor layer on the substrate, and including a silicon semiconductor; a second semiconductor layer on the first semiconductor layer, and including an oxide semiconductor; a first conductive layer on the second semiconductor layer; at least one metal layer between the first semiconductor layer and the first conductive layer; and a first contact hole to electrically connect the first semiconductor layer to the first conductive layer. An inner surface of the first contact hole includes a side surface of the at least one metal layer.