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公开(公告)号:US20210334495A1
公开(公告)日:2021-10-28
申请号:US17153069
申请日:2021-01-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Soon Gyu LEE , Jin Woo KIM , Jung Hak KIM , Jae Hyung JO
Abstract: A display device including: a display panel including a display area in which an image is displayed; and a fingerprint sensor disposed on a first surface of the display panel and including a sensing area for sensing a fingerprint of a user, wherein the display device is configured to authenticate the fingerprint of the user by using data for a portion of the sensing area.
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公开(公告)号:US20200293139A1
公开(公告)日:2020-09-17
申请号:US16889079
申请日:2020-06-01
Applicant: Samsung Display Co., Ltd.
Inventor: Jung Hak KIM , Do Ik KIM , Young Sik KIM , Sang Chul LEE
IPC: G06F3/041 , G06F3/044 , G06F3/047 , H01L27/32 , H01L51/52 , G09G3/3266 , G09G3/3275 , G09G3/20
Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.
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公开(公告)号:US20190102015A1
公开(公告)日:2019-04-04
申请号:US16036090
申请日:2018-07-16
Applicant: Samsung Display Co., Ltd.
Inventor: Jung Hak KIM , Do Ik KIM , Young Sik KIM , Sang Chul LEE
IPC: G06F3/041 , G06F3/044 , G06F3/047 , H01L27/32 , H01L51/52 , G09G3/3266 , G09G3/3275
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F3/0443 , G06F3/0446 , G06F3/0448 , G06F3/047 , G06F2203/04106 , G06F2203/04111 , G06F2203/04112 , G09G3/20 , G09G3/3266 , G09G3/3275 , G09G2300/0426 , G09G2310/0267 , G09G2310/0291 , G09G2354/00 , H01L27/323 , H01L27/3262 , H01L27/3265 , H01L27/3276 , H01L51/5221 , H01L51/5237
Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.
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公开(公告)号:US20250085806A1
公开(公告)日:2025-03-13
申请号:US18772415
申请日:2024-07-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jeong Heon LEE , Jung Hak KIM , Yun A MA
Abstract: A touch sensor is provided. The touch sensor including: first touch electrodes; scan lines connected to the first touch electrodes; and a controller that applies a scan signal to each of the scan lines, wherein the scan signal includes a plurality of unit signals in a first time period and a second time period, and includes a gap signal in a gap period between the first time period and the second time period, and an amplitude of each of the plurality of unit signals is greater than an amplitude of the gap signal.
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公开(公告)号:US20250120228A1
公开(公告)日:2025-04-10
申请号:US18774393
申请日:2024-07-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Choon Hyop LEE , Jung Hak KIM , Sang Wook YOO , Jae Uk CHOI
Abstract: A display device includes a display panel including a display area and a non-display area. The display panel includes a substrate, a display layer disposed on the substrate, an encapsulation layer disposed on the display layer, a sensor electrode layer disposed on the encapsulation layer, and a polarizing layer disposed on the sensor electrode layer. The polarizing layer including a polarizing portion corresponding to the display area and an antenna electrode corresponding to the non-display area.
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公开(公告)号:US20240201811A1
公开(公告)日:2024-06-20
申请号:US18364834
申请日:2023-08-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Hak KIM
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/04166 , G06F3/0446 , G06F2203/04111
Abstract: A touch detection device may include a touch area including a plurality of driving electrodes and a plurality of detecting electrodes, a plurality of touch driving integrated circuits (ICs) electrically connected to and supplying driving signals to the driving electrodes, a plurality of touch detecting ICs electrically connected to the detecting electrodes and receiving touch detection signals from the detecting electrodes, and a touch control IC controlling the touch driving ICs and the touch detecting ICs. The touch area may be divided into a plurality of sub-touch areas, the touch driving ICs may be provided to correspond to the plurality of sub-touch areas, respectively, in a one-to-one manner, and the plurality of touch detecting ICs may be provided to correspond to the sub-touch areas, respectively.
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公开(公告)号:US20200333910A1
公开(公告)日:2020-10-22
申请号:US16921764
申请日:2020-07-06
Applicant: Samsung Display Co., Ltd.
Inventor: Jung Hak KIM , Do Ik KIM , Ga Young KIM , Young Sik KIM , Sang Chul LEE
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:US20200272802A1
公开(公告)日:2020-08-27
申请号:US16712875
申请日:2019-12-12
Applicant: Samsung Display Co., Ltd.
Inventor: Jae Hyung JO , Sung Hwan KIM , Jung Hak KIM
Abstract: A display device includes: a display panel including a display area; a fingerprint sensor disposed under the display panel overlapping the display area, the fingerprint sensor including: an optical lens; a lens frame disposed under the optical lens; an image sensor disposed under the lens frame and exposed toward the optical lens through an opening formed in the lens frame; and an adhesive layer disposed between the lens frame and the display panel and surrounding the optical lens in a plan view, and attaching the lens frame and the display panel to each other; and a lens guide disposed between the adhesive layer and the optical lens in the plan view, and configured to maintain a distance between a lower surface of the display panel and an upper surface of the optical lens, the lens guide protruding from an upper surface of the lens frame toward the display panel.
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公开(公告)号:US20230267759A1
公开(公告)日:2023-08-24
申请号:US17391250
申请日:2021-08-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Kyo Won KU , Young Sik KIM , Jung Hak KIM , Jeong Heon LEE , Hee Yeon CHOI
IPC: G06V40/13 , H01L27/146 , G06F21/32 , G06F21/84
CPC classification number: G06V40/1318 , H01L27/14623 , G06F21/32 , G06F21/84
Abstract: A fingerprint sensor including: a substrate; a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer; a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and a light guide unit disposed on the light-blocking conductive layer.
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公开(公告)号:US20230266838A1
公开(公告)日:2023-08-24
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
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/04184 , G06F3/044 , G06F3/0443 , G06F3/0445 , G06F3/0446 , 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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