公开(公告)号：US20220149132A1

公开(公告)日：2022-05-12

申请号：US17246989

申请日：2021-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeonkeon Moon ,  Taesang Kim ,  Joonseok Park ,  Sangwoo Sohn ,  Soyoung Koo

IPC: H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes a substrate including a display area and a peripheral area outside the display area, a pixel circuit disposed on the substrate in the display area, where the pixel circuit includes a driving thin film transistor and a switching thin film transistor, and a display element connected to the pixel circuit. The driving thin film transistor includes a driving semiconductor layer having a single layer structure, the switching thin film transistor includes a switching semiconductor layer in which a first layer, a second layer, and a third layer, which are oxide semiconductors, are sequentially stacked one on another, and a conductivity of the second layer of the switching semiconductor layer is greater than respective conductivities of the first layer and the third layer of the switching semiconductor layer.

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：US10892308B2

公开(公告)日：2021-01-12

申请号：US16789107

申请日：2020-02-12

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungseok Son ,  Myounghwa Kim ,  Eoksu Kim ,  Taesang Kim ,  Masataka Kano

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00 ,  H01L27/12 ,  H01L51/50

Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.

公开(公告)号：US11968876B2

公开(公告)日：2024-04-23

申请号：US17283714

申请日：2019-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： Kyungjin Jeon ,  Joon-seok Park ,  Kwang-suk Kim ,  Taesang Kim ,  Yeon-keon Moon ,  Geunchul Park ,  Jun-hyung Lim

IPC: H10K59/38 ,  H10K50/844 ,  H10K50/86 ,  H10K59/121 ,  H10K59/126 ,  H01L27/12 ,  H01L29/786

CPC classification number: H10K59/38 ,  H10K50/844 ,  H10K50/865 ,  H10K59/1213 ,  H10K59/126 ,  H01L27/1225 ,  H01L29/78633 ,  H01L29/7869

Abstract: A display device includes a base substrate including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, first to third thin film transistors on the base substrate and including first to third active patterns, respectively, first to third pixel electrodes electrically connected to the first to third thin film transistors, respectively and in the first to third sub-pixel areas, respectively, a blue light emitting layer on the first to third pixel electrodes and configured to emit a blue light, a first color conversion pattern in the first sub-pixel area on the blue light emitting layer, a second color conversion pattern in the second sub-pixel area on the blue light emitting layer, and a red color filter layer between the blue light emitting layer and the first to third active patterns.

公开(公告)号：US11289588B2

公开(公告)日：2022-03-29

申请号：US16824339

申请日：2020-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaybum Kim ,  Seryeong Kim ,  Junhyung Lim ,  Taesang Kim

IPC: H01L29/786 ,  H01L29/66 ,  H01L27/32 ,  H01L27/146 ,  H01L29/04 ,  H01L27/12

Abstract: A semiconductor device includes a base substrate. A first thin-film transistor is disposed on the base substrate. The first thin-film transistor includes a first input electrode, a first output electrode, a first semiconductor pattern disposed below a first insulating layer, and a first control electrode disposed on the first insulating layer and below a second insulating layer. A second thin-film transistor includes a second input electrode, a second output electrode, a second semiconductor pattern disposed on the second insulating layer, and a second control electrode disposed on an insulating pattern formed on the second semiconductor pattern and exposes a portion of the second semiconductor pattern. The first semiconductor pattern includes a crystalline semiconductor. The second semiconductor pattern includes an oxide semiconductor. The first semiconductor pattern, the first control electrode, the second semiconductor pattern, and the second control electrode are overlapped.

公开(公告)号：US20180233575A1

公开(公告)日：2018-08-16

申请号：US15730475

申请日：2017-10-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaybum Kim ,  Seryeong Kim ,  Junhyung Lim ,  Taesang Kim

IPC: H01L29/66 ,  H01L27/32 ,  H01L27/146 ,  H01L29/04 ,  H01L29/786

CPC classification number: H01L29/6675 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/14692 ,  H01L27/3225 ,  H01L27/3248 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/04 ,  H01L29/66969 ,  H01L29/7869

Abstract: A semiconductor device includes a base substrate. A first thin-film transistor is disposed on the base substrate. The first thin-film transistor includes a first input electrode, a first output electrode, a first semiconductor pattern disposed below a first insulating layer, and a first control electrode disposed on the first insulating layer and below a second insulating layer. A second thin-film transistor includes a second input electrode, a second output electrode, a second semiconductor pattern disposed on the second insulating layer, and a second control electrode disposed on an insulating pattern formed on the second semiconductor pattern and exposes a portion of the second semiconductor pattern. The first semiconductor pattern includes a crystalline semiconductor. The second semiconductor pattern incudes an oxide semiconductor. The first semiconductor pattern, the first control electrode, the second semiconductor pattern, and the second control electrode are overlapped.

公开(公告)号：US12262593B2

公开(公告)日：2025-03-25

申请号：US18412760

申请日：2024-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungseok Son ,  Myounghwa Kim ,  Eoksu Kim ,  Taesang Kim ,  Masataka Kano

IPC: H01L21/78 ,  H01L27/12 ,  H10K50/11 ,  H10K50/844 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K77/10 ,  H10K59/12 ,  H10K102/00

Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.

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：US11696470B2

公开(公告)日：2023-07-04

申请号：US17246989

申请日：2021-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeonkeon Moon ,  Taesang Kim ,  Joonseok Park ,  Sangwoo Sohn ,  Soyoung Koo

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/121 ,  H10K71/00 ,  H01L27/12 ,  H10K59/38 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K71/00 ,  H01L27/1225 ,  H01L27/1251 ,  H10K59/1201 ,  H10K59/38

Abstract: A display apparatus includes a substrate including a display area and a peripheral area outside the display area, a pixel circuit disposed on the substrate in the display area, where the pixel circuit includes a driving thin film transistor and a switching thin film transistor, and a display element connected to the pixel circuit. The driving thin film transistor includes a driving semiconductor layer having a single layer structure, the switching thin film transistor includes a switching semiconductor layer in which a first layer, a second layer, and a third layer, which are oxide semiconductors, are sequentially stacked one on another, and a conductivity of the second layer of the switching semiconductor layer is greater than respective conductivities of the first layer and the third layer of the switching semiconductor layer.

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.