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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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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：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：US11099699B2
公开(公告)日：2021-08-24
申请号：US16870443
申请日：2020-05-08
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：US20200285339A1
公开(公告)日：2020-09-10
申请号：US16809061
申请日：2020-03-04
Applicant: Samsung Display Co., Ltd.
Inventor： Do Ik Kim , Jang-Hui Kim , Ga Young Kim , A Ra Jo
Abstract: A touch sensor and a display device, in which the touch sensor includes: a base layer including a first region which is a flat portion, and a second region which is a curved portion extending from the first region; touch electrodes arranged on the base layer and each including an opening; a strain gauge disposed in the first region; and a temperature compensation pattern disposed in the second region.
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Patent Agency Ranking
公开(公告)号：US20200272270A1
公开(公告)日：2020-08-27
申请号：US16870443
申请日：2020-05-08
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：US10380403B2
公开(公告)日：2019-08-13
申请号：US15968646
申请日：2018-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Gwang Bum Ko , Do Ik Kim , Seung Hwan Chung , Sung Hwan Kim
IPC: H01L27/00 , G06K9/00 , G02B19/00 , H01L31/0232 , H01L27/15 , H01L31/153 , F21V8/00 , H01L27/32 , G02B6/08 , G02B3/00 , G02B5/00
Abstract: A display device with a display panel including a display area and a plurality of pixels arranged in the display area, a photosensor layer including a sensing area overlapping the display area and a plurality of photosensors arranged in the sensing area, a light-guiding layer arranged between the display panel and the photosensor layer and configured to include a plurality of light-transmission holes corresponding to the photosensors, respectively, and a light-condensing layer arranged between the display panel and the photosensor layer to overlap the light-guiding layer.
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公开(公告)号：US12147632B2
公开(公告)日：2024-11-19
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
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：US12105925B2
公开(公告)日：2024-10-01
申请号：US18238578
申请日：2023-08-28
Applicant: Samsung Display Co., Ltd.
Inventor： Jang Hui Kim , Ga Young Kim , Do Ik Kim , Sang Chul Lee , A Ra Jo
IPC: G06F3/045
CPC classification number: G06F3/045 , G06F2203/04105
Abstract: A 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 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 first touch electrodes and the second touch electrodes.
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公开(公告)号：US12079411B2
公开(公告)日：2024-09-03
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
IPC: G06F3/041 , G06F3/044 , G09G3/3225
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/04184 , G06F3/044 , G06F3/0443 , G06F3/0445 , G06F3/0446 , G06F2203/04111 , 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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