公开(公告)号：US12135845B2

公开(公告)日：2024-11-05

申请号：US17399304

申请日：2021-08-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaehyun Park ,  Min-Hong Kim ,  Jungmok Park ,  Jiyeong Lee ,  Hyun-Wook Cho

IPC: G06F3/041 ,  G01R31/28 ,  H10K50/842 ,  H10K59/40 ,  G06F3/044

Abstract: An electronic device includes a display panel, an input sensor disposed on the display panel and including a sensing electrode, a first signal line connected to the sensing electrode, and a second signal line connected to the sensing electrode, and a circuit board electrically connected to the input sensor. The circuit board includes a first group signal line electrically connected to the first signal line, a second group signal line electrically connected to the first group signal line and to the second signal line, a first inspection signal line electrically connected to the first group signal line, and a second inspection signal line electrically connected to the second group signal line.

公开(公告)号：US11880221B2

公开(公告)日：2024-01-23

申请号：US18091397

申请日：2022-12-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jungmok Park

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

CPC classification number: G06F3/0445 ,  G06F3/0412 ,  H10K59/40

Abstract: An input sensor includes a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of first sensing lines, a plurality of second sensing lines, a first connection line, and a second connection line. The plurality of first sensing lines are electrically connected to the plurality of first sensing electrodes, respectively. The plurality of second sensing lines are electrically connected to the plurality of second sensing electrodes, respectively. The first connection line electrically connects a pair of first sensing electrodes of the plurality of first sensing electrodes. The second connection line electrically connects a pair of second sensing electrodes of the plurality of second sensing electrodes.

公开(公告)号：US20230022093A1

公开(公告)日：2023-01-26

申请号：US17717315

申请日：2022-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwoo Park ,  Taejoon Kim ,  Jungmok Park ,  Il Ho Lee ,  Wankee Jun ,  Hyun-Wook Cho

IPC: G06F3/041 ,  H01L27/32

Abstract: A display device including: a display panel configured to display an image in units of a frame; an input sensor disposed on the display panel, and configured to sense an external input; a panel driver configured to control driving of the display panel in response to a synchronization signal; and a sensor controller configured to control driving of the input sensor, wherein the sensor controller receives the synchronization signal from the panel driver and outputs a plurality of transmission signals to the input sensor, and the plurality of transmission signals are varyingly generated based on the synchronization signal.

公开(公告)号：US11360615B2

公开(公告)日：2022-06-14

申请号：US17180191

申请日：2021-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun-Wook Cho ,  Min-Hong Kim ,  Taejoon Kim ,  Jungmok Park

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

Abstract: An electronic device may include a display panel, and an input sensor, in which a first region, a second region enclosing the first region, and a third region enclosing the second region are defined, on the display panel and including sensing electrodes including a first electrode including a first main electrode and a first subsidiary electrode, and a second electrode adjacent the first electrode, and including a second main electrode and a second subsidiary electrode between the first main electrode and the first subsidiary electrode in the first region.

公开(公告)号：US11068087B2

公开(公告)日：2021-07-20

申请号：US16788939

申请日：2020-02-12

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongkyu Jeon ,  Hyungchul Kim ,  Jungmok Park ,  Heewoong Park

IPC: G06F3/041

Abstract: An electronic device including a base member having a touch area defined inside a first closed-shape, the first closed-shape being a first imaginary line, and a peripheral area disposed adjacent to the touch area and defined outside the first closed-shape, and a touch sensor including a plurality of patterns disposed in the touch area to sense a touch from outside and a driving line disposed in the peripheral area and connected to a pattern disposed adjacent to the first closed-shape. The touch area includes a first area defined inside a second closed-shape being a second imaginary line defined in the touch area, and a second area defined outside the second closed-shape and surrounded by the first closed-shape, and an edge pattern disposed in the second area having an area substantially equal to or greater than approximately one-half of an area of a center pattern disposed in the first area.

公开(公告)号：US10949009B2

公开(公告)日：2021-03-16

申请号：US16354023

申请日：2019-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongkyu Jeon ,  Jungmok Park ,  Heewoong Park ,  Jeongheon Lee ,  Heeyeon Choi

IPC: G06F3/041 ,  G06F3/0488

Abstract: An electronic apparatus includes a display unit including a display panel and a display circuit board connected to the display panel. An input sensing unit includes a touch panel which includes an active area and a peripheral area adjacent to the active area and includes sensor patterns disposed in the active area, and a touch circuit board connected to the peripheral area of the touch panel. A polarizing film is disposed on the input sensing unit and is configured to polarize incident light. A step-difference compensation member is disposed between the polarizing film and the input sensing unit and includes a main portion overlapping the active area and a plurality of slit portions disposed between the main portion and the touch circuit board.

公开(公告)号：US12074427B2

公开(公告)日：2024-08-27

申请号：US17865422

申请日：2022-07-15

Applicant: Samsung Display Co., Ltd.

Inventor： Min-Hong Kim ,  Taejoon Kim ,  Jungmok Park ,  Hyun-Wook Cho ,  Jaewoo Choi

IPC: H02H3/24 ,  G01R27/02 ,  G01R31/28 ,  G01R31/50

CPC classification number: H02H3/24 ,  G01R27/025 ,  G01R31/2837 ,  G01R31/50

Abstract: An input sensor short-circuit inspection method including: setting an inspection frequency for detecting a short-circuit of an input sensor comprising a plurality of electrodes; driving the input sensor in an inspection mode at the set inspection frequency; and detecting the short-circuit of the input sensor based on a capacitance charged between adjacent electrodes among the plurality of electrodes of the input sensor in the inspection mode.

公开(公告)号：US11762492B2

公开(公告)日：2023-09-19

申请号：US17966949

申请日：2022-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jungmok Park ,  Tae Yong Eom ,  Hyun-Wook Cho ,  Dongjin Moon ,  Yeri Jeong

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/04164

Abstract: An electronic device including: a display layer; and a sensor layer that includes: first electrodes in a sensing area and having different lengths; second electrodes in the sensing area; first cross electrodes in the sensing area; second cross electrodes in the sensing area and having different lengths; pads in a peripheral area; first lines extended from the first electrodes at a first side of the sensing area towards the pads; second lines extended from the second electrodes at a second side of the sensing area towards the pads; first cross lines extending from the first cross electrodes towards the pads; and second cross lines extending from the second cross electrodes towards the pads, the first lines being different from the second lines in number, and the first cross lines being different from the second cross lines in number.

公开(公告)号：US11675455B2

公开(公告)日：2023-06-13

申请号：US17394479

申请日：2021-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwoo Park ,  Taejoon Kim ,  Jungmok Park ,  Bo-Hwan Lee ,  Hyun-Wook Cho

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H10K59/40

CPC classification number: G06F3/04166 ,  G06F3/0418 ,  G06F3/0443 ,  G06F3/0446 ,  H01L27/323 ,  G06F3/0412 ,  G06F2203/04111

Abstract: An electronic device includes: a sensor layer including a first area and a second area adjacent to the first area; a first driving circuit providing a first driving signal to the sensor layer and receiving first data output from the first area of the sensor layer; and a second driving circuit providing a second driving signal to the sensor layer and receiving second data output from the second area of the sensor layer. The second driving circuit provides intermediate data to the first driving circuit. The intermediate data is obtained based on the second data, and the first driving circuit generates result data based on the first data and the intermediate data.

公开(公告)号：US11579738B2

公开(公告)日：2023-02-14

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.