公开(公告)号：US20230037108A1

公开(公告)日：2023-02-02

申请号：US17841206

申请日：2022-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Soyoung Koo ,  Eoksu Kim ,  Hyungjun Kim ,  Yunyong Nam ,  Junhyung Lim ,  Kyungjin Jeon

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

Abstract: A display apparatus is disclosed that includes contact holes formed to expose at least a portion of a conductive layer or a semiconductor layer without damage to the surface of the conductive layer or the semiconductor layer, and a method of manufacturing the display apparatus. The display apparatus includes a substrate, a conductive mound arranged on the substrate, a first insulating mound arranged on the substrate, and a semiconductor layer including a first region arranged on the conductive mound, and a second region arranged on the first insulating mound. The second region of the semiconductor layer substantially covers an upper surface of the first insulating mound.

公开(公告)号：US11495650B2

公开(公告)日：2022-11-08

申请号：US17081342

申请日：2020-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kyungjin Jeon ,  Soyoung Koo ,  Eoksu Kim ,  Junhyung Lim

IPC: H01L27/14 ,  H01L27/32 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H01L21/02

Abstract: A display apparatus includes a thin film transistor facing a substrate with a buffer layer therebetween and including a semiconductor layer, a channel region, a source region, a drain region, and a gate electrode; a conductive pattern between the substrate and the semiconductor layer and connected to the semiconductor layer, the conductive pattern facing the semiconductor layer with the buffer layer therebetween; a contact hole in the buffer layer and exposing the conductive pattern to outside the buffer layer; and a display element which is electrically connected to the thin film transistor. The source region or the drain region extends through the contact hole in the buffer layer, to contact the conductive pattern and connect the semiconductor layer to the conductive pattern.

公开(公告)号：US20210280667A1

公开(公告)日：2021-09-09

申请号：US17328026

申请日：2021-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyungjin Jeon ,  Joonseok Park ,  Soyoung Koo ,  Myounghwa Kim ,  Eoksu Kim ,  Taesang Kim ,  Hyungjun Kim ,  Yeonkeon Moon ,  Geunchul Park ,  Sangwoo Sohn ,  Junhyung Lim ,  Hyelim Choi

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

Abstract: A display device includes: a substrate; a first thin film transistor and a second thin film transistor arranged over the substrate; a display element connected to the first thin film transistor; a wiring connected to the second thin film transistor and including a first wiring layer and a second wiring layer; a pattern insulating layer arranged between the first wiring layer and the second wiring layer; a planarization layer covering the wiring; and a connection electrode arranged on the planarization layer and connected to the first wiring layer and the second wiring layer respectively through a first contact hole and a second contact hole.

公开(公告)号：US10367012B2

公开(公告)日：2019-07-30

申请号：US15657508

申请日：2017-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jihun Lim ,  Jaybum Kim ,  Joonseok Park ,  Kyoungseok Son ,  Junhyung Lim

IPC: H01L29/49 ,  H01L29/788 ,  H01L29/786 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/66

Abstract: A transistor includes a semiconductor layer comprising a channel portion, a first contact portion and a second contact portion, a gate electrode facing the floating gate, and a floating gate disposed between the semiconductor layer and the gate electrode, the floating gate being insulated from the semiconductor layer and the gate electrode. The floating gate comprises an oxide semiconductor.

公开(公告)号：US20240128421A1

公开(公告)日：2024-04-18

申请号：US18364399

申请日：2023-08-02

Applicant: Samsung Display Co., Ltd. ,  Postech Research And Business Development Foundation

Inventor： Hyungjun Kim ,  Yongyoung Noh ,  Junhyung Lim ,  Ao Liu

IPC: H01L33/62 ,  H01L25/16 ,  H01L29/18 ,  H01L29/417 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L29/185 ,  H01L29/41733 ,  H01L29/66742 ,  H01L29/78696 ,  H01L2933/0066

Abstract: A display device includes: a substrate; a thin-film transistor on the substrate; and a light-emitting diode electrically connected to the thin-film transistor, wherein the thin-film transistor includes: a semiconductor layer in which a source region, a drain region, and a channel region are defined; a gate electrode insulated from the semiconductor layer and overlapping the semiconductor layer; a source electrode electrically connected to the source region; and a drain electrode electrically connected to the drain region, wherein the semiconductor layer includes a crystallized metal chalcogenide including a transition metal and a chalcogen element and has a layered structure.

公开(公告)号：US11812647B2

公开(公告)日：2023-11-07

申请号：US17841206

申请日：2022-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Soyoung Koo ,  Eoksu Kim ,  Hyungjun Kim ,  Yunyong Nam ,  Junhyung Lim ,  Kyungjin Jeon

IPC: H10K59/131 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/122 ,  H10K59/12

CPC classification number: H10K59/131 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/122 ,  G09G2300/0426 ,  H10K59/1201

Abstract: A display apparatus is disclosed that includes contact holes formed to expose at least a portion of a conductive layer or a semiconductor layer without damage to the surface of the conductive layer or the semiconductor layer, and a method of manufacturing the display apparatus. The display apparatus includes a substrate, a conductive mound arranged on the substrate, a first insulating mound arranged on the substrate, and a semiconductor layer including a first region arranged on the conductive mound, and a second region arranged on the first insulating mound. The second region of the semiconductor layer substantially covers an upper surface of the first insulating mound.

公开(公告)号：US11751434B2

公开(公告)日：2023-09-05

申请号：US17453522

申请日：2021-11-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyoungseok Son ,  Dohyun Kwon ,  Jonghan Jeong ,  Jonghyun Choi ,  Eoksu Kim ,  Jaybum Kim ,  Junhyung Lim ,  Jihun Lim

IPC: H10K59/121 ,  G09G3/3225 ,  H10K59/124 ,  G09G3/3233 ,  H10K59/126 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H01L29/786

CPC classification number: H10K59/1213 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/1216 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/08 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/1251 ,  H01L27/1255 ,  H01L29/7869 ,  H01L29/78633 ,  H01L29/78675 ,  H10K59/126

Abstract: A semiconductor device includes a base substrate, a first transistor disposed on the base substrate, the first transistor including a first input electrode, a first output electrode, a first control electrode, and a first semiconductor pattern including a crystalline semiconductor, a second transistor disposed on the base substrate, the second transistor including a second input electrode, a second output electrode, a second control electrode, and a second semiconductor pattern including an oxide semiconductor, a plurality of insulating layers disposed on the base substrate, and an upper electrode disposed on the first control electrode with at least one insulating layer of the plurality of insulating layers interposed between the upper electrode and the first control electrode. The upper electrode overlaps the first control electrode and forms a capacitor with the first control electrode.

公开(公告)号：US11723244B2

公开(公告)日：2023-08-08

申请号：US17152249

申请日：2021-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyelim Choi ,  Joonseok Park ,  Myounghwa Kim ,  Taesang Kim ,  Yeonkeon Moon ,  Geunchul Park ,  Sangwoo Sohn ,  Junhyung Lim

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/122 ,  H10K59/1201

Abstract: A display device includes: a substrate including a first region and a second region; a first active layer located on the first region and including a first channel region, a first source region at one side of the first channel region, a first drain region at the other side of the first channel region, and a first extension region extending in a direction from the first source region to the second region; a first gate electrode located above the first active layer and overlapping the first channel region; a driving voltage line located on the first active layer, overlapping the first source region, and extending along the first extension region; a first connection electrode located on the first drain region; and a pixel electrode located above the first gate electrode and connected to the first connection electrode.

公开(公告)号：US20220059634A1

公开(公告)日：2022-02-24

申请号：US17453522

申请日：2021-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungseok Son ,  Dohyun Kwon ,  Jonghan Jeong ,  Jonghyun Choi ,  Eoksu Kim ,  Jaybum Kim ,  Junhyung Lim ,  Jihn Lim

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233

Abstract: A semiconductor device includes a base substrate, a first transistor disposed on the base substrate, the first transistor including a first input electrode, a first output electrode, a first control electrode, and a first semiconductor pattern including a crystalline semiconductor, a second transistor disposed on the base substrate, the second transistor including a second input electrode, a second output electrode, a second control electrode, and a second semiconductor pattern including an oxide semiconductor, a plurality of insulating layers disposed on the base substrate, and an upper electrode disposed on the first control electrode with at least one insulating layer of the plurality of insulating layers interposed between the upper electrode and the first control electrode. The upper electrode overlaps the first control electrode and forms a capacitor with the first control electrode.

公开(公告)号：US20220037456A1

公开(公告)日：2022-02-03

申请号：US17368721

申请日：2021-07-06

Applicant: Samsung Display Co., Ltd.

Inventor： Geunchul Park ,  Joonseok Park ,  Myounghwa Kim ,  Taesang Kim ,  Yeonkeon Moon ,  Sangwoo Sohn ,  Junhyung Lim ,  Hyelim Choi

IPC: H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes a substrate, a first pixel, a second pixel, a first wire set, and a second wire set. The first pixel and the second pixel overlap the substrate and neighbor each other in a first direction. The first wire set extends in a second direction, includes a first conduction line and a first transmission line, and may transfer a first data signal. The first conduction line is positioned between the substrate and the first transmission line and is connected through the first transmission line to the first pixel. The second wire set extends in the second direction, includes a second conduction line and a second transmission line, and may transfer a second data signal. The second conduction line is positioned between the substrate and the second transmission line and electrically connects the second transmission line to the second pixel.