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公开(公告)号：US20240036684A1
公开(公告)日：2024-02-01
申请号：US18374569
申请日：2023-09-28
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Jang hui KIM , Sang Chul LEE , Ga Young KIM
CPC classification number: G06F3/044 , G06F3/0416 , G06F3/0412
Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.
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公开(公告)号：US20230266838A1
公开(公告)日：2023-08-24
申请号：US18309745
申请日：2023-04-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jung Hak KIM , Do Ik KIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/04184 , G06F3/044 , G06F3/0443 , G06F3/0445 , G06F3/0446 , G09G3/3225
Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
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公开(公告)号：US20210318779A1
公开(公告)日：2021-10-14
申请号：US17030376
申请日：2020-09-24
Applicant: Samsung Display Co., Ltd.
Inventor： Gwang Bum KO , Ga Young KIM , Sang Hyun LIM
Abstract: A touch sensor includes: a sensing area including a first sensing area positioned in a center portion and a second sensing area positioned outwardly therefrom in an edge portion; first sensor electrodes disposed in the first sensing area; and second sensor electrodes disposed in the second sensing area, the second sensor electrodes being configured to be separately activated from the first sensor electrodes. The first sensor electrodes are drivable to detect a touch input generated in the first sensing area in a first mode and the second sensor electrodes are drivable to detect a touch input generated in the second sensing area in a second mode.
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公开(公告)号：US20210294475A1
公开(公告)日：2021-09-23
申请号：US17263705
申请日：2018-12-20
Applicant: Samsung Display Co., Ltd.
Inventor： Choon Hyop LEE , Sang Chul LEE , Ga Young KIM , Kang Won LEE , Seung Hwan CHUNG , Do Ik KIM
IPC: G06F3/041
Abstract: A display device comprises: a display panel; a window; and a first pressure sensor. The display panel comprises: a planar portion; a first curved portion connected to one side of the planar portion; and a first side portion connected to one side of the first curved portion. The window is on the display panel. The first pressure sensor overlaps with the first side portion. Here, the first side portion is in a plane different from each of the planar portion and the first curved portion.
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公开(公告)号：US20210278930A1
公开(公告)日：2021-09-09
申请号：US17188481
申请日：2021-03-01
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hul KIM , Ga Young KIM , A Ra JO
Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.
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Patent Agency Ranking
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：US20190302962A1
公开(公告)日：2019-10-03
申请号：US16446717
申请日：2019-06-20
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Sang Hyun LIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
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公开(公告)号：US20190102017A1
公开(公告)日：2019-04-04
申请号：US16110226
申请日：2018-08-23
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hak KIM , Do Ik KIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
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公开(公告)号：US20180321793A1
公开(公告)日：2018-11-08
申请号：US15914281
申请日：2018-03-07
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik KIM , Sang Hyun LIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
CPC classification number: G06F3/0418 , G06F3/044 , G06F2203/04111
Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
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公开(公告)号：US20250013327A1
公开(公告)日：2025-01-09
申请号：US18893943
申请日：2024-09-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Do Ik KIM , Ga Young KIM , Sang Hyun LIM , Young Sik KIM , Sang Chul LEE , Hwan Hee JEONG
IPC: G06F3/041 , G06F3/044 , G06F3/047 , G09G3/3208 , H10K59/40
Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
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