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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：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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Patent Agency Ranking
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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公开(公告)号：US20220326813A1
公开(公告)日：2022-10-13
申请号：US17850892
申请日：2022-06-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Choon Hyop LEE , Kang Won LEE , Ga Young KIM , Jang Hui KIM , A Ra JO
Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.
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公开(公告)号：US20210263630A1
公开(公告)日：2021-08-26
申请号：US17248878
申请日：2021-02-11
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui KIM , Ga Young KIM , Jung Mok PARK , A Ra JO
IPC: G06F3/041
Abstract: A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.
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公开(公告)号：US20250053264A1
公开(公告)日：2025-02-13
申请号：US18596999
申请日：2024-03-06
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Jang Hui KIM , Ji Hoon KIM
Abstract: A touch system may include a touch array including touch electrodes, a touch driver configured to apply touch driving signals including different codes to the touch electrodes to thereby transmit uplink signals to objects adjacent to the touch array, at least one sub-host connected to at least one object among the objects through a communication channel, and configured to receive, from the at least one object, position information corresponding to the at least one object through the communication channel, and a main host configured to receive the position information corresponding to the at least one object through the at least one sub-host.
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公开(公告)号：US20240264697A1
公开(公告)日：2024-08-08
申请号：US18639005
申请日：2024-04-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Choon Hyop LEE , Jang Hui KIM , Jae Won KIM , In Nam LEE
CPC classification number: G06F3/04166 , G06F3/0418 , G06F3/0446 , G09G3/32
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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