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公开(公告)号：US20220113822A1
公开(公告)日：2022-04-14
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：US11294502B2
公开(公告)日：2022-04-05
申请号：US15949585
申请日：2018-04-10
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Ga Young Kim , Young Sik Kim , Sang Chul Lee
Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.
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公开(公告)号：US11231825B2
公开(公告)日：2022-01-25
申请号：US16835784
申请日：2020-03-31
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui Kim , Ga Young Kim , Do Ik Kim , Sang Chul Lee , A Ra Jo
IPC: G06F3/045
Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.
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公开(公告)号：US10969911B2
公开(公告)日：2021-04-06
申请号：US16525561
申请日：2019-07-29
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：US10824269B2
公开(公告)日：2020-11-03
申请号：US16583840
申请日：2019-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Ga Young Kim , In Young Han
Abstract: A touch sensor including a base layer, a first touch electrode member including first touch electrodes disposed on the base layer, arranged along a first direction, electrically connected to each other, and each including a first opening, a second touch electrode member including second touch electrodes disposed on the base layer, arranged along a second direction, and electrically connected to each other, a conductive member including conductive patterns electrically connected to each other along the first direction and respectively disposed in the first openings, a contact electrode connected to one end of the first touch electrode member and including lower and upper contact electrodes, and a connection pattern connected to an outermost first conductive pattern, the connection pattern including the same conductive layer as the upper contact electrode, in which the upper contact electrode includes an electrode opening, and a portion of the connection pattern is disposed therein.
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Patent Agency Ranking
公开(公告)号：US10656742B2
公开(公告)日：2020-05-19
申请号：US15841214
申请日：2017-12-13
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Sang Hyun Lim , Ga Young Kim
Abstract: A touch sensor including a substrate including an active area and a non-active area, a plurality of first electrodes extending in first direction on the active area, a plurality of second electrodes extending in a second direction crossing the first direction on the active area, a plurality of third electrodes including electrode portions disposed in the first electrodes, respectively, being separated from the first electrodes, and extending in the first direction on the active area, and a sensing circuit including a plurality of signal receivers receiving sensing signals from the first electrodes, respectively, in which each of the signal receivers includes first and second input terminals connected to a pair of first and third electrodes corresponding to each other, respectively, and outputs a signal corresponding to a voltage difference between the first and second input terminals.
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公开(公告)号：US20180224984A1
公开(公告)日：2018-08-09
申请号：US15841214
申请日：2017-12-13
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Sang Hyun Lim , Ga Young Kim
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04103 , G06F2203/04111
Abstract: A touch sensor including a substrate including an active area and a non-active area, a plurality of first electrodes extending in first direction on the active area, a plurality of second electrodes extending in a second direction crossing the first direction on the active area, a plurality of third electrodes including electrode portions disposed in the first electrodes, respectively, being separated from the first electrodes, and extending in the first direction on the active area, and a sensing circuit including a plurality of signal receivers receiving sensing signals from the first electrodes, respectively, in which each of the signal receivers includes first and second input terminals connected to a pair of first and third electrodes corresponding to each other, respectively, and outputs a signal corresponding to a voltage difference between the first and second input terminals.
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公开(公告)号：US12282636B2
公开(公告)日：2025-04-22
申请号：US17875909
申请日：2022-07-28
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 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：US11947755B2
公开(公告)日：2024-04-02
申请号：US17545452
申请日：2021-12-08
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Hyun Lim , Ga Young Kim , Young Min Park , Hyun Jee Jeon
CPC classification number: G06F3/04166 , G06F3/0412 , G06F3/04164 , G06F3/0446 , G06F3/046
Abstract: A display device includes a display unit having pixels, a touch sensing unit including touch electrodes disposed on the display unit, and a touch driver configured to supply a touch driving signal to the plurality of touch electrodes and receive a touch sensing signal from the touch electrodes. The touch driver supplies a first touch driving signal having a first phase to one or more first touch electrodes, and supplies a second touch driving signal having a second phase opposite to the first phase to one or more second touch electrodes, at least a part of which is disposed across a specific point from the first touch electrodes. The touch driver receives a first touch sensing signal having the first phase from at least one of the first touch electrodes, and receives a second touch sensing signal having the second phase from at least one of the second touch electrodes.
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公开(公告)号：US20230384901A1
公开(公告)日：2023-11-30
申请号：US18200535
申请日：2023-05-22
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui Kim , Ga Young Kim , A Ra Jo
CPC classification number: G06F3/0446 , G06F3/0418 , G06F3/0412 , 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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