公开(公告)号：US20240377909A1

公开(公告)日：2024-11-14

申请号：US18419386

申请日：2024-01-22

Applicant: Samsung Display Co., LTD.

Inventor： Keum Dong JUNG ,  Jang Hui KIM ,  Ji Hoon KIM ,  Bo Hwan LEE

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044

Abstract: A display device includes a display panel including a plurality of pixels, a display driver configured to display an image on the display panel in a frame period unit, to display the image on the display panel in a display period of the frame period, and to not display the image in a blank period of the frame period, a touch panel including touch electrodes, and a touch driver configured to sense a touch adjacent to the touch panel via the touch electrodes, and to transmit an uplink signal to an external device through the touch electrodes in a first time period, the first time period being in the blank period.

公开(公告)号：US20240411396A1

公开(公告)日：2024-12-12

申请号：US18589620

申请日：2024-02-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keum Dong JUNG ,  Jang Hui KIM ,  Bo Hwan LEE

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044

Abstract: A display device including: a touch array including a plurality of touch electrodes; and a touch driver configured to sense a touch adjacent to the touch array, wherein the touch driver transmits, to an external device, uplink signals in which different position information are included through at least some of the touch electrodes in a first time period, and receives, from the external device, position information of the external device on the touch array in a second time period after the first time period, and wherein the position information of the external device is calculated by the external device, using the uplink signals.

公开(公告)号：US20240370115A1

公开(公告)日：2024-11-07

申请号：US18508163

申请日：2023-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Keum Dong JUNG ,  Jang Hui KIM ,  Sang Hun PARK ,  Yong Sub SO ,  Da Eun YI ,  Bo Hwan LEE ,  Byeong Kyu JEON

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044 ,  H04W4/80 ,  H04W72/21 ,  H04W72/23

Abstract: A touch device includes a touch panel including touch electrodes, and a touch driver adjacent to the touch panel, configured to sense a touch of a user, configured to transmit uplink signals including position information of the touch electrodes to an active pen through at least some of the touch electrodes in a first touch period, and configured to receive a sensing signal including position information of the active pen, which is calculated using the uplink signals, from the active pen in a second touch period after the first touch period.

公开(公告)号：US20250061850A1

公开(公告)日：2025-02-20

申请号：US18624412

申请日：2024-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Bo Hwan LEE ,  Sang Hun PARK ,  Yong Sub SO ,  Da Eun YI

IPC: G09G3/3225 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a display unit including a plurality of pixels connected to an initialization line and a first power source line, a sensor unit provided on the display unit and including a plurality of driving electrodes, a sensor driver providing a touch driving voltage to a plurality of driving lines connected to the plurality of driving electrodes, a power supply providing an initialization voltage to the initialization line and providing a first power source voltage to the first power source line, and a compensation circuit compensating for the initialization voltage.

公开(公告)号：US20240310949A1

公开(公告)日：2024-09-19

申请号：US18495545

申请日：2023-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Keum Dong JUNG ,  Sang Hun PARK ,  Yong Sub SO ,  Da Eun YI ,  Bo Hwan LEE ,  Byeong Kyu JEON

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04166 ,  G06F3/044

Abstract: A display device includes: a touch sensing unit on a front surface of an image display area and configured to sense a location of a touch; a display driver circuit configured to select one of first to third temperature sensing modes during a predetermined temperature sensing period and to generate at least one of first to third mode sensing control signals according to the selected temperature sensing mode; and a touch driver circuit configured to generate at least one of first to third temperature sensing map data in response to at least one of the first to third mode sensing control signals, wherein the display driver circuit is configured to compensate for image data based on at least one of the first to third temperature sensing map data and to display an image according to the compensated image data in the display area.