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：US20230251748A1

公开(公告)日：2023-08-10

申请号：US18186923

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SIYOUNG CHOI ,  CHANGBUM KIM ,  TAEJOON KIM ,  SANGWOOK YOO

IPC: G06F3/044 ,  H10K50/86 ,  H10K50/84 ,  H10K59/12 ,  H10K59/40 ,  H10K71/00

CPC classification number: G06F3/0443 ,  G06F3/0446 ,  H10K50/86 ,  H10K50/841 ,  H10K59/12 ,  H10K59/40 ,  H10K71/00 ,  G06F3/04164 ,  G06F2203/04103 ,  G06F2203/04111

Abstract: A display device includes: a display panel configured to display an image; an input sensing substrate on the display panel; a flexible circuit film coupled to one side of an upper surface of the input sensing substrate; a step compensation film spaced apart from the flexible circuit film on the upper surface of the input sensing substrate; and an anti-reflection film on the flexible circuit film and the step compensation film, wherein the step compensation film comprises: a compensation layer on the upper surface of the input sensing substrate, and an overcoat layer between the compensation layer and the input sensing substrate.

公开(公告)号：US20240349569A1

公开(公告)日：2024-10-17

申请号：US18754489

申请日：2024-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNGBAE KIM ,  TAEJOON KIM ,  JAEWOO CHOI

IPC: H10K59/40 ,  G06F3/044 ,  H10K50/844 ,  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：US20230409140A1

公开(公告)日：2023-12-21

申请号：US18132326

申请日：2023-04-07

Applicant: Samsung Display Co., Ltd

Inventor： HYUN-WOOK CHO ,  YOUNGSIK KIM ,  SANGKOOK KIM ,  TAEJOON KIM

IPC: G06F3/041 ,  G06F3/042 ,  H10K59/131 ,  H10K59/88 ,  H10K59/40

CPC classification number: G06F3/04164 ,  G06F3/0421 ,  G06F3/0412 ,  G06F2203/04102 ,  H10K59/88 ,  H10K59/40 ,  H10K59/131

Abstract: A display device, includes: a display panel including an active region and a peripheral region which are adjacent to each other; and an input-sensing panel on the display panel, the input-sensing panel comprising a first region, a second region, and a third region, which are overlapped with the active region and are sequentially arranged, and a fourth region, which is overlapped with the peripheral region, wherein the input-sensing panel comprises: a sensing electrode in the first and second regions and includes a plurality of conductive lines; and a trace line in the third and fourth regions and connected to the sensing electrode, wherein a density per unit area of the conductive lines is higher in the second region than in the first region.

公开(公告)号：US20230176676A1

公开(公告)日：2023-06-08

申请号：US18053509

申请日：2022-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： EUNGKWAN LEE ,  HYUN-WOOK CHO ,  SANGKOOK KIM ,  TAEJOON KIM ,  JEONGHEON LEE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0446

Abstract: An electronic device includes a display layer, a sensor layer, and a sensor driver that receives a sensitivity value from a node defined in an area where one electrode intersects one cross electrode, and calculates an input coordinate based on the sensitivity value. When the sensitivity value received from the node is equal to or greater than a first threshold value, the sensor driver calculates the input coordinate based on the sensitivity value. When each of a plurality of sensitivity values received from the node and a plurality of peripheral nodes adjacent to the node is less than the first threshold value and greater than or equal to a second threshold value, the sensor driver calculates the input coordinate based on the plurality of sensitivity values.

公开(公告)号：US20230161436A1

公开(公告)日：2023-05-25

申请号：US18095530

申请日：2023-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： HYUN-WOOK CHO ,  MIN-HONG KIM ,  TAEJOON KIM ,  JUNGMOK PARK

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04162 ,  G06F3/0446 ,  G06F2203/04107 ,  G06F3/0412

Abstract: A display device includes: a display panel; and an input sensor disposed on the display panel, wherein the input sensor includes: a plurality of sensing electrodes; a plurality of sensing wirings electrically connected to the plurality of sensing electrodes, respectively; and a conductive part covering the plurality of sensing wirings, wherein the conductive part is configured to be floated or to receive a substantially constant voltage, and wherein the conductive part has a single, contiguous shape.

公开(公告)号：US20220236830A1

公开(公告)日：2022-07-28

申请号：US17531846

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： HYUN-WOOK CHO ,  MIN-HONG KIM ,  SANGKOOK KIM ,  TAEJOON KIM ,  JUNGMOK PARK

IPC: G06F3/044 ,  G06F3/041

Abstract: A circuit board including: a body part including a driving chip; a pad part including a plurality of pads connected to a plurality of lines, wherein the pad part extends in a first direction from the body part; and a line part including a first line of the lines, wherein the first line is electrically connected to the driving chip, the line part extends in the first direction from the body part, and the line part is bendable with respect to a bending line.

公开(公告)号：US20220057895A1

公开(公告)日：2022-02-24

申请号：US17350946

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： SIYOUNG CHOI ,  CHANGBUM KIM ,  TAEJOON KIM ,  SANGWOOK YOO

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

Abstract: A display device includes: a display panel configured to display an image; an input sensing substrate on the display panel; a flexible circuit film coupled to one side of an upper surface of the input sensing substrate; a step compensation film spaced apart from the flexible circuit film on the upper surface of the input sensing substrate; and an anti-reflection film on the flexible circuit film and the step compensation film, wherein the step compensation film comprises: a compensation layer on the upper surface of the input sensing substrate, and an overcoat layer between the compensation layer and the input sensing substrate.

公开(公告)号：US20240393904A1

公开(公告)日：2024-11-28

申请号：US18794658

申请日：2024-08-05

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

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：US20240053392A1

公开(公告)日：2024-02-15

申请号：US18340678

申请日：2023-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： EUNSOL SEO ,  HYUN-WOOK CHO ,  SANGKOOK KIM ,  TAEJOON KIM ,  EUNGKWAN LEE ,  JAEWOO CHOI

IPC: G01R27/26 ,  G06F3/041 ,  G06F3/044

CPC classification number: G01R27/2605 ,  G06F3/04166 ,  G06F3/0446 ,  G06F3/0443

Abstract: In a method for testing an electronic device, the method includes: providing an electronic device including a display layer and a sensor layer on the display layer and configured to operate at a touch drive frequency, the sensor layer including a plurality of first electrodes and a plurality of second electrodes insulatively intersecting the plurality of first electrodes; providing a test signal having a test frequency higher than the touch drive frequency to the plurality of first electrodes; measuring mutual capacitance with the plurality of first electrodes through the plurality of second electrodes; and determining whether or not the sensor layer is defective, based on the mutual capacitance.