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公开(公告)号：US11681405B2
公开(公告)日：2023-06-20
申请号：US17963982
申请日：2022-10-11
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui Kim , Ga Young Kim , A Ra Jo
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0418 , G06F2203/04105
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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公开(公告)号：US20230030613A1
公开(公告)日：2023-02-02
申请号：US17963982
申请日：2022-10-11
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui 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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公开(公告)号：US11537244B2
公开(公告)日：2022-12-27
申请号：US17555983
申请日：2021-12-20
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Jang hui Kim , Sang Chul Lee , Ga Young Kim
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：US11520421B2
公开(公告)日：2022-12-06
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
IPC: G06F3/041 , G06F3/044 , 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：US11487394B2
公开(公告)日：2022-11-01
申请号：US17188481
申请日：2021-03-01
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui 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：US20220291760A1
公开(公告)日：2022-09-15
申请号：US17503826
申请日：2021-10-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Jee Jeon , Ga Young Kim , Young Min Park , Sang Hyun Lim
IPC: G06F3/0354 , G06F3/041 , G06F3/044 , H02J7/00 , H02J50/10
Abstract: A display device including: a display panel including an active area for displaying an image and a non-active area adjacent to the active area; and a metal sheet layer on the display panel, wherein the metal sheet layer includes: a heat dissipator overlapping the active area; and a coil surrounding the heat dissipator and overlapping the non-active area.
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公开(公告)号：US11429237B2
公开(公告)日：2022-08-30
申请号：US16584518
申请日：2019-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Ga Young Kim , 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, each first electrode members including a first opening and first touch electrodes, second electrode members arranged on the base layer in the second direction and spaced apart from one another in the first direction, each second electrode members including a second opening and second touch electrodes, a first strain gauge disposed in a first electrode row, a second strain gauge disposed in a first row, a first signal line connected to the first strain gauge, a second signal line connected to the first strain gauge, a third signal line connected to the second strain gauge and the second signal line, and a fourth signal line connected to the second strain gauge.
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公开(公告)号：US11372508B2
公开(公告)日：2022-06-28
申请号：US16848694
申请日：2020-04-14
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：US11307699B2
公开(公告)日：2022-04-19
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：US11182005B2
公开(公告)日：2021-11-23
申请号：US16945086
申请日：2020-07-31
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 , G09G3/3208 , G06F3/047 , G06F3/044 , H01L27/32
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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