公开(公告)号：US12223140B2

公开(公告)日：2025-02-11

申请号：US18095906

申请日：2023-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim ,  Jaehyun Park ,  Jiyeong Lee

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/40

Abstract: Provided is a display device comprising a display panel, an input sensor including a first sensing area having a first sub-area and a second sub-area, and a first sensor controller configured to drive the first sensing area. Here, the input sensor includes first sensing electrodes disposed in the first sub-area to receive a first transmission signal from the first sensor controller, second sensing electrodes disposed in the first sub-area and intersected with the first sensing electrodes, third sensing electrodes disposed in the second sub-area to receive a second transmission signal having a phase inverted from that of the first transmission signal from the first sensor controller, and fourth sensing electrodes disposed in the second sub-area and intersected with the third sensing electrodes.

公开(公告)号：US12073045B2

公开(公告)日：2024-08-27

申请号：US18155041

申请日：2023-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim

IPC: G06F3/041 ,  H10K59/40 ,  H10K59/80 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/04164 ,  H10K59/40 ,  H10K59/873 ,  G06F3/0446 ,  G06F2203/04107 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: A display device includes a display panel, and an input sensing part disposed on the display panel and in which an active region and a non-active region around the active region are defined. The input sensing part includes a plurality of sensing electrodes dispose in the active region, a plurality of sensing lines electrically connected to the sensing electrodes and disposed in the non-active region, and a guard line, a ground line, and an electromagnetic attenuating line spaced apart from the sensing lines and disposed in the non-active region. The guard line, the ground line, and the electromagnetic attenuating line are disposed at an outside of the sensing lines.

公开(公告)号：US20230185414A1

公开(公告)日：2023-06-15

申请号：US18054939

申请日：2022-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim ,  Jaehyun Park ,  Jiyeong Lee

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0412

Abstract: A display device includes a display panel and an input sensing panel. The input sensing panel includes pluralities of first and second sensing electrodes and electrostatic induction patterns, each of which is connected to a sensing electrode from one of the pluralities of sensing electrodes and overlaps another sensing electrode from the other one of the pluralities of sensing electrodes. The input sensing panel includes a first area where deviations of mutual capacitances between the first and second sensing electrodes are small and a second area where the deviations are large. The electrostatic induction patterns include first electrostatic induction patterns disposed in the first area and second electrostatic induction patterns disposed in the second area, the second electrostatic induction patterns having a different area from the first electrostatic induction patterns, or the number of second electrostatic induction patterns being different from the number of first electrostatic induction patterns.

公开(公告)号：US11995265B2

公开(公告)日：2024-05-28

申请号：US17955794

申请日：2022-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyeong Lee ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim ,  Hyungbae Kim ,  Jaehyun Park

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/12

CPC classification number: G06F3/04166 ,  G06F3/0412 ,  G06F3/0446 ,  H10K59/12

Abstract: A display device includes a display panel that displays an image, an input sensor that senses an external input, and a sensing controller that controls the driving of the input sensor. The input sensor includes a plurality of scanning electrodes and a plurality of sensing electrodes. The sensing controller simultaneously transmits input scanning signals to at least two scanning electrodes of the plurality of scanning electrodes during a group scanning period. The group scanning period includes a plurality of scanning periods. The sensing controller transmits a compensating signal having a phase different from a phase of at least one of the input scanning signals to at least one sensing electrode of the plurality of sensing electrodes during at least one scanning period of the plurality of scanning periods.

公开(公告)号：US11797142B2

公开(公告)日：2023-10-24

申请号：US18054939

申请日：2022-11-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim ,  Jaehyun Park ,  Jiyeong Lee

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0412

Abstract: A display device includes a display panel and an input sensing panel. The input sensing panel includes pluralities of first and second sensing electrodes and electrostatic induction patterns, each of which is connected to a sensing electrode from one of the pluralities of sensing electrodes and overlaps another sensing electrode from the other one of the pluralities of sensing electrodes. The input sensing panel includes a first area where deviations of mutual capacitances between the first and second sensing electrodes are small and a second area where the deviations are large. The electrostatic induction patterns include first electrostatic induction patterns disposed in the first area and second electrostatic induction patterns disposed in the second area, the second electrostatic induction patterns having a different area from the first electrostatic induction patterns, or the number of second electrostatic induction patterns being different from the number of first electrostatic induction patterns.

公开(公告)号：US12193305B2

公开(公告)日：2025-01-07

申请号：US17456509

申请日：2021-11-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Taejoon Kim ,  Jaewoo Choi

IPC: G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K59/131 ,  H10K59/40

Abstract: A display panel includes a display panel and an input sensor disposed on the display panel. The input sensor includes an active region and an inactive region at least partially surrounding the active region. The input sensor includes a plurality of sensing electrodes disposed in the active region, a plurality of sensing lines disposed in the inactive region and connected to the sensing electrodes, a ground line extending outwardly to a greater extent than the sensing lines in the inactive region, and at least one shield layer extending from the ground line in the inactive region.

公开(公告)号：US12164735B2

公开(公告)日：2024-12-10

申请号：US18156928

申请日：2023-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim

IPC: G09G5/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

Abstract: An input sensing part includes a first sensing electrode, a second sensing electrode that is insulated from the first sensing electrode and crosses the first sensing electrode, a plurality of dummy electrodes that are disposed in dummy areas located between the first and second sensing electrodes, when viewed in a plan view, and a dummy connection pattern that is insulated from the first and second sensing electrodes. The dummy connection pattern crosses the first sensing electrode or the second sensing electrode, when viewed in a plan view, and connects the dummy electrodes.

公开(公告)号：US12048224B2

公开(公告)日：2024-07-23

申请号：US17455566

申请日：2021-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Taejoon Kim ,  Jaewoo Choi

IPC: G06F3/044 ,  H10K50/844 ,  H10K59/40 ,  H10K102/00

CPC classification number: H10K59/40 ,  G06F3/0446 ,  H10K50/844 ,  G06F2203/04111 ,  H10K2102/311

Abstract: A display device includes a display panel and an input sensor disposed on the display panel. The input sensor includes a plurality of first areas repeatedly arranged in a first direction, a plurality of second areas repeatedly arranged in the first direction, an inorganic insulating layer disposed in the first areas, an organic insulating layer disposed in the first areas and the second areas, and a sensing electrode disposed on the organic insulating layer. The first areas are alternately arranged in the first direction with the second areas, and the input sensor includes openings in the second areas that are formed by removing portions of the inorganic insulating layer from the second areas.

公开(公告)号：US20220262866A1

公开(公告)日：2022-08-18

申请号：US17456509

申请日：2021-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungbae Kim ,  Taejoon Kim ,  Jaewoo Choi

IPC: H01L27/32 ,  G06F3/044 ,  H01L51/52

Abstract: A display panel includes a display panel and an input sensor disposed on the display panel. The input sensor includes an active region and an inactive region at least partially surrounding the active region. The input sensor includes a plurality of sensing electrodes disposed in the active region, a plurality of sensing lines disposed in the inactive region and connected to the sensing electrodes, a ground line extending outwardly to a greater extent than the sensing lines in the inactive region, and at least one shield layer extending from the ground line in the inactive region.

公开(公告)号：US10921917B2

公开(公告)日：2021-02-16

申请号：US16730554

申请日：2019-12-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungbae Kim ,  Sunghyun Park ,  Hyun-Wook Cho

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044

Abstract: An input sensing circuit includes a first conductive pattern, a second conductive pattern, and an insulating layer disposed between the first conductive pattern and the second conductive pattern. At least some of wires forming the second conductive pattern overlap some of wires forming the first conductive pattern. The wires of the second conductive pattern overlapping the wires of the first conductive pattern are in a floating state.