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公开(公告)号：US20180211077A1
公开(公告)日：2018-07-26
申请号：US15868166
申请日：2018-01-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Byung Han Yoo , Ki Seo Kim , Jae Kyoung Kim , Kyung Tea Park , Won Sang Park , Jong In Baek , Byeong Hee Won
CPC classification number: G06K9/001 , A01K5/0142 , A01K5/0233 , A01K29/005 , G06F3/044 , G06F2203/04105 , G06K9/0002
Abstract: A security device includes a door handle unit disposed on a door body, a cover layer including a touch sensor and covering the door handle unit, a door locking unit which controls a locking of the door body. The touch sensor may include a plurality of sensor pixels, each including a sensor electrode which forms a second capacitor with a hand of a user when a touch occurs thereon by the user. The touch sensor may generate touch information based on a change in capacitance of the second capacitor corresponding to the touch.
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公开(公告)号：US20180210578A1
公开(公告)日：2018-07-26
申请号：US15879387
申请日：2018-01-24
Applicant: Samsung Display Co., Ltd.
Inventor： Byeong Hee Won , Mu Gyeom Kim , Kyung Tea Park , Eun Jin Sung
IPC: G06F3/044 , G06F3/0354
CPC classification number: G06F3/044 , G06F3/03543 , G06F3/03544 , G06F3/0416 , G06K9/0002
Abstract: A touch sensor includes a substrate, a base layer, and sensor pixels. The base layer has first patterns arranged on the substrate and second patterns coupled between the first patterns. The sensor pixels are disposed on the first patterns and configured to sense a touch of a user depending on a change in capacitance associated with a corresponding sensor pixel. A computer mouse incorporating touch sensors also is disclosed.
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公开(公告)号：US11978382B2
公开(公告)日：2024-05-07
申请号：US18064797
申请日：2022-12-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyung Tea Park , Jong Hyun Lee , Kang Bin Jo , Go Eun Cha
CPC classification number: G09G3/2092 , G06F3/0412 , G06F3/0414 , G06F3/04164 , G09G2310/0267
Abstract: An input sensing device includes sensor pixels initialized in response to a reset signal provided through a reset line, and output a sensing signal to a read-out line in response to a scan signal provided through a scan line. A controller generates at least one start signal and clock signals. A selector selectively provides the at least one start signal and the clock signals to first control lines or second control lines. A reset driver connected to the first control lines, and supplying reset signals to at least some of the reset lines based on the at least one start signal and the clock signals provided through the first control lines. A scan driver is connected to the second control lines, and supplies scan signals to at least some of the scan lines based on the at least one start signal and the clock signals.
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公开(公告)号：US11868560B2
公开(公告)日：2024-01-09
申请号：US17809091
申请日：2022-06-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong Jung , Ji Woong Kim , Hyung Gun Ma , Kyung Tea Park , Moon Jae Jeong , Sang Hyun Heo
CPC classification number: G06F3/04166 , G06F3/0446 , G06F3/0412 , G06F3/0448 , G06F2203/04112
Abstract: A sensor device of the present invention includes first sensors; second sensors forming capacitance with the first sensors; a multi-frequency generator generating a first frequency signal and a second frequency signal having different frequencies; a sensor transmitter supplying first driving signals based on the first frequency signal to first sensors of a first group among the first sensors, supplying second driving signals based on the second frequency signal to first sensors of a second group among the first sensors, and simultaneously supplying the first driving signals and the second driving signals; and a sensor receiver simultaneously receiving sensing signals from the second sensors.
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公开(公告)号：US11735103B2
公开(公告)日：2023-08-22
申请号：US17721465
申请日：2022-04-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyung Tea Park , Ji Woong Kim , Hyung Gun Ma , Seong An Park , Seong Joo Lee , Tae Hun Lee , Sang Hyun Heo
CPC classification number: G09G3/32 , H03F3/70 , G09G2310/0291 , G09G2310/0297
Abstract: An analog front-end includes a (1-1)-th charge amplifier configured to differentially amplify a first and second sensing signals provided to a (1-1)-th input terminal and a (1-2)-th input terminal, respectively, and output a (1-1)-th differential signal. A (1-2)-th charge amplifier is configured to differentially amplify the second sensing signal and a third sensing signal provided to a (1-3)-th input terminal and a (1-4)-th input terminal, respectively, and output a (1-2)-th differential signal. A second charge amplifier is configured to differentially amplify the (1-1)-th differential signal and the (1-2)-th differential signal provided to a (2-1)-th input terminal and a (2-2)-th input terminal, respectively, and output a (2-1)-th differential signal and a (2-2)-th differential signal. A demodulation circuit is configured to filter the (2-1)-th differential signal and the (2-2)-th differential signal and output demodulated differential signals. An analog-to-digital converter is configured to output a sensing value based on the demodulated differential signals.
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Patent Agency Ranking
公开(公告)号：US11314356B2
公开(公告)日：2022-04-26
申请号：US17149259
申请日：2021-01-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Il Nam Kim , Byeong Hee Won , Kyung Tea Park , Won Sang Park
Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.
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公开(公告)号：US10908744B2
公开(公告)日：2021-02-02
申请号：US15870523
申请日：2018-01-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Il Nam Kim , Byeong Hee Won , Kyung Tea Park , Won Sang Park
Abstract: A touch sensor includes: a substrate that includes active and non-active regions; driving cells disposed on the active region that extend in a first direction; sensing cells disposed on the active region that extend in a second direction that intersects the first direction; a first connection pattern that connects adjacent driving cells; a second connection pattern that connects adjacent sensing cells; and a touch driver disposed on the non-active region that includes thin film transistors that transmit a driving signal to each of the driving cells. The thin film transistor includes: a semiconductor layer; a gate electrode disposed on the semiconductor layer with a first insulating layer interposed therebetween; and source and drain electrodes connected to the semiconductor layer and spaced apart from each other. The first connection pattern is disposed in the same layer as at least one of the source or drain electrodes or the gate electrode.
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公开(公告)号：US20200065541A1
公开(公告)日：2020-02-27
申请号：US16545180
申请日：2019-08-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong Jung , Il Nam Kim , Kyung Tea Park , Jin Oh Kwag , Won Sang Park , Sung Chan Jo
IPC: G06K9/00
Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
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公开(公告)号：US10380404B2
公开(公告)日：2019-08-13
申请号：US15682077
申请日：2017-08-21
Applicant: Samsung Display Co., Ltd.
Inventor： Young Chan Kim , Il Nam Kim , Kyung Tea Park , Byung Han Yoo , Tae Hee Lee
IPC: G06K9/00 , A61B5/1172
Abstract: A display device includes a substrate, display elements, a window, and a photo sensor array. The substrate includes a display area and a non-display area. The display elements overlap the display area. The window is disposed on the substrate. The photo sensor array is disposed between the substrate and the window. The photo sensor array is configured to sense three-dimensional pattern information (e.g., epidermal ridge information) of a user via light reflected from a touch input of the user. One or more of the display elements is configured to illuminate a contact area of the touch input with the light.
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公开(公告)号：US20190138123A1
公开(公告)日：2019-05-09
申请号：US16004447
申请日：2018-06-11
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Ki Seo Kim , II Nam Kim , Kyung Tea Park , Yun Ho Kim , Jae Kyoung Kim , Won Sang Park , Jong In Baek
Abstract: A fingerprint sensor including first, second, and third lines, and a unit sensor coupled to the first, the second, and the third lines. The unit sensor includes a pixel electrode coupled between the first line and the second line, a first capacitance element coupled between the first line and the pixel electrode, a second capacitance element coupled between the second line and the pixel electrode, a switching element coupled between the pixel electrode and one of the first line, the second line, a first line of an adjacent unit sensor, and a second line of the adjacent unit sensor, and including a control electrode coupled to the third line, and a third capacitance element coupled between the third line and the pixel electrode, in which at least one of the first and the second capacitance elements includes a variable capacitance element.
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