公开(公告)号：US20230325041A1

公开(公告)日：2023-10-12

申请号：US18156928

申请日：2023-01-19

Applicant: SAMSUNG DISPLAY CO. LTD.

Inventor： HYUNGBAE KIM ,  HYUN-AWOOK CHO ,  SANGKOOK KIM ,  TAEJOON KIM

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

CPC classification number: G06F3/0446 ,  G06F3/0443 ,  G06F3/0412 ,  H10K59/40 ,  G06F2203/04111 ,  G06F2203/04112

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：US20220271096A1

公开(公告)日：2022-08-25

申请号：US17455566

申请日：2021-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNGBAE KIM ,  Taejoon Kim ,  Jaewoo Choi

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

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：US20250156004A1

公开(公告)日：2025-05-15

申请号：US18793645

申请日：2024-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNGBAE KIM ,  GWANG-BUM KO ,  SANGHYUN LIM

IPC: G06F3/041 ,  G06F3/044

Abstract: An electronic device includes: a display panel; a sensor layer on the display panel, the sensor layer having a sensing area corresponding to a display area of the display panel, the sensing area comprising a first area and a second area surrounding the first area; and a sensor driver configured to: drive the sensor layer; receive a sensing signal corresponding to an input device, the sensing signal comprising a first peak value, a second peak value, and a third peak value; and calculate coordinates of the input device at the second area based on the second peak value and the third peak value.

公开(公告)号：US20250138686A1

公开(公告)日：2025-05-01

申请号：US18795649

申请日：2024-08-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： GWANG-BUM KO ,  KYOWON KU ,  HYUNGBAE KIM ,  KANGWON LEE

IPC: G06F3/044 ,  G06F3/041

Abstract: An electronic device includes a display layer, a sensor layer disposed over the display layer, and a lower conductive layer disposed under the display layer. The sensor layer includes a plurality of first electrodes that are arranged in a first direction and extend in a second direction crossing the first direction. A plurality of second electrodes are arranged in the second direction and extend in the first direction. A plurality of third electrodes are arranged in the first direction and extend in the second direction and have first ends that are connected together. The lower conductive layer includes a plurality of fourth electrodes that are arranged in the second direction and extend in the first direction and have first ends that are connected together.

公开(公告)号：US20250053262A1

公开(公告)日：2025-02-13

申请号：US18774129

申请日：2024-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNGBAE KIM ,  SANGHYUN LIM

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/32

Abstract: An electronic device includes a host processor to output a first signal having a first frequency and a second signal having a second frequency higher than the first frequency and containing frame data, a driving controller configured to receive the frame data from the host processor and to generate image data, a display layer to display an image based on the image data, a sensor layer disposed on the display layer and including a plurality of sensing electrodes, and a sensor driver to provide a transmit signal having a third frequency to the plurality of sensing electrodes. The host processor determines the first frequency based on the third frequency.

公开(公告)号：US20250021190A1

公开(公告)日：2025-01-16

申请号：US18740111

申请日：2024-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNGBAE KIM ,  SANGHYUN LIM

IPC: G06F3/041

Abstract: Provided is an electronic device. The electronic device includes a display layer, a sensor layer disposed on the display layer and including a plurality of sensing electrodes, a sensor driving part, a first virtual sensor part including a plurality of virtual electrodes, a first RC circuit electrically connected between the sensor driving part and the first virtual sensor part, and a flexible circuit board which is connected to the display layer and on which the sensor driving part and the first RC circuit are disposed. The sensor driving part may be configured to receive a touch signal from the plurality of sensing electrodes and receive a first noise signal from the plurality of virtual electrodes, the first RC circuit may be configured to control a magnitude of the first noise signal, and the sensor driving part may be configured to subtract the touch signal and the first noise signal.

公开(公告)号：US20240028173A1

公开(公告)日：2024-01-25

申请号：US18478583

申请日：2023-09-29

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.