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1.发明申请公开(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.
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公开(公告)号：US20220326831A1
公开(公告)日：2022-10-13
申请号：US17708188
申请日：2022-03-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Choon Hyop LEE , Jang Hui KIM , Jae Won KIM , In Nam LEE
Abstract: A touch sensor including: a touch sensing area including driving electrodes and sensing electrodes; a driving signal generator which determines phases of driving signals based on a reference code and supplies the driving signals to the sensing electrodes, wherein the driving signals are sine waves; and a touch processor which receives sensing signals according to the driving signals from the sensing electrodes and determines a touch position based on the sensing signals and the reference code, wherein the driving signal generator controls the phases of the driving signals by updating the reference code at a predetermined time point.
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公开(公告)号：US20220057898A1
公开(公告)日：2022-02-24
申请号：US17217204
申请日：2021-03-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Choon Hyop LEE , Jang Hui KIM , Jae Won KIM , In Nam LEE
Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.
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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
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.
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公开(公告)号：US20220367576A1
公开(公告)日：2022-11-17
申请号：US17863705
申请日：2022-07-13
Applicant: Samsung Display Co., Ltd.
Inventor： Kang Won LEE , Do Ik KIM , Choon Hyop LEE , Jang Hui KIM , Sang Chul LEE
Abstract: A touch detecting unit comprises first sensor electrodes arranged in a first direction and electrically connected with one another; second sensor electrodes arranged in a second direction crossing the first direction, and electrically connected with one another, the second sensor electrodes electrically separated from the first sensor electrodes, and third sensor electrodes electrically separated from the first sensor electrodes and the second sensor electrodes. Amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes are detected in a first mode. Amounts of change in the first capacitances and amounts of change in a second capacitance between the first sensor electrodes and the third sensor electrodes are detected in a second mode.
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Patent Agency Ranking
公开(公告)号：US20220365629A1
公开(公告)日：2022-11-17
申请号：US17875909
申请日：2022-07-28
Applicant: Samsung Display Co., Ltd.
Inventor： Ga Young Ga Young , Do Ik KIM , Jang Hui KIM
Abstract: Provided are a touch sensor and a display device. The touch sensor includes a base layer; first electrode members arranged on the base layer in a first direction and spaced apart from one another in a second direction intersecting the first direction, each of the first electrode members including a first opening and a plurality of first touch electrodes electrically connected to one another in the first direction; second electrode members arranged on the base layer in the second direction and spaced apart from one another in the first direction, each of the second electrode members including a second opening and a plurality of second touch electrodes electrically connected to one another in the second direction intersecting the first direction; a first strain gauge including a portion located in the first opening and disposed in a first electrode row among electrode rows of the first electrode members; a second strain gauge including a portion located in the second opening and disposed in a first row among rows of the second touch electrodes; a first signal line connected to one end of the first strain gauge; a second signal line connected to another end of the first strain gauge and spaced apart from the first signal line; a third signal line connected to one end of the second strain gauge and the second signal line; and a fourth signal line connected to another end of the second strain gauge and spaced apart from the third signal line.
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公开(公告)号：US20210149517A1
公开(公告)日：2021-05-20
申请号：US17161576
申请日：2021-01-28
Applicant: Samsung Display Co., Ltd.
Inventor： Ga Young KIM , Jang Hui KIM , A Ra JO
Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
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公开(公告)号：US20250021195A1
公开(公告)日：2025-01-16
申请号：US18592254
申请日：2024-02-29
Applicant: Samsung Display Co., LTD.
Inventor： Ji Hoon KIM , Keum Dong JUNG , Jang Hui KIM
Abstract: A display device, includes: a display panel including pixels; a display driver configured to operate in a unit of a frame period including an active period and a blank period and to display an image on the display panel in the active period of the frame period, based on image data; a touch array on the display panel and including touch electrodes; a touch driver configured to transmit, in an uplink period, uplink signals including different information to an external device in proximity to the touch array through the touch electrodes, and to receive, from the external device, a sensing signal generated by the external device using at least some of the uplink signals; and a touch controller configured to determine the uplink period based on the image data.
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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.
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公开(公告)号：US20230140300A1
公开(公告)日：2023-05-04
申请号：US18145971
申请日：2022-12-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Choon Hyop LEE , Jang Hui KIM , Jae Won KIM , In Nam LEE
Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.
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