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公开(公告)号：US11903294B2
公开(公告)日：2024-02-13
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
CPC classification number: H10K59/40 , G06F3/0412 , G06F3/0445
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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公开(公告)号：US11875001B2
公开(公告)日：2024-01-16
申请号：US16714775
申请日：2019-12-15
Applicant: Samsung Display Co., LTD.
Inventor： Choon Hyop Lee , Kang Won Lee , Sang Chul Lee , Seung Hwan Chung
IPC: G06F3/044 , G06F3/0354 , G06F3/041
CPC classification number: G06F3/044 , G06F3/03547 , G06F3/0414 , G06F2203/04103
Abstract: A touch sensor includes: a base layer; a plurality of first touch electrodes arranged on the base layer in a first direction; and at least one strain gauge disposed between the plurality of first touch electrodes, the at least one strain gauge configured to sense a pressure, wherein the plurality of first touch electrodes and the strain gauge are arranged on the same layer.
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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：US11437442B2
公开(公告)日：2022-09-06
申请号：US16895768
申请日：2020-06-08
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：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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公开(公告)号：US10936106B2
公开(公告)日：2021-03-02
申请号：US16361153
申请日：2019-03-21
Applicant: Samsung Display Co., Ltd.
Inventor： Kang Won Lee , Sang Chul Lee , Seung Hwan Chung , Young Sik Kim , Choon Hyop Lee , Yeon Sung Jung
IPC: G06F3/041
Abstract: A display device includes: a display panel including a display area in which an image is displayed and a non-display area surrounding the display area; an input sensor disposed on the display panel; and a pressure sensor sensing a pressure, wherein the input sensor includes a sensing base substrate extending in a first extending direction, the sensing base substrate including a first bending area bent along an outer edge of the sensing base substrate, wherein the pressure sensor is disposed on the first bending area of the sensing base substrate, and overlaps with the display area.
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公开(公告)号：US11829564B2
公开(公告)日：2023-11-28
申请号：US18072412
申请日：2022-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Jang hui Kim , Sang Chul Lee , Ga Young Kim
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416
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：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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