Including Impedance Detection Patents (Class 345/174)
  • Patent number: 11550437
    Abstract: A display device including a display panel and an input sensor disposed on the display panel and including signal line groups arranged in a wiring region, and first and second sensing electrodes disposed in a sensing region, each of the first and second sensing electrodes having one end electrically connected to a corresponding signal line, in which the second sensing electrodes have a greater length than the first sensing electrodes, the signal line groups include first and second signal line groups electrically connected to the first and second sensing electrodes, respectively, each of the first sensing electrodes includes first bridge patterns overlapping the second sensing electrodes and disposed on a different layer from the second sensing electrodes, and one of the first sensing electrodes or the second sensing electrodes are configured to receive a sinusoidal signal.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunwoong Kim, Kwang-min Kim, Kiwook Kim, Yangwan Kim, Jisu Na
  • Patent number: 11550424
    Abstract: The present invention discloses an OLED touch control display device and driving method thereof. The OLED touch control device of the present disclosure sets a transparent touch control electrode and a second thin film transistor in the pixels, a gate of the second thin film transistor is connected to a scanning line corresponding to the pixels, a source is coupled to the touch control lines, a drain is coupled to the touch control electrode. During driving state, a scanning signal is sequentially transmitted to the plurality of scanning lines in each frame period, and a touch control chip used to charge the plurality of touch control lines in one of two adjacent frame periods, and receive a touch control signal transmitted by the plurality of touch control lines in the other of any two adjacent frame periods, thereby achieving high-sensitivity touch sensing, high module yield, and low product cost.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: January 10, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wei Lu
  • Patent number: 11550439
    Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jin Yang, Ki Cheol Kim, Sung Hee Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho, Min Ho Chae
  • Patent number: 11543906
    Abstract: A touch sensing device employed in an electronic device having a housing including a plurality of touch members, includes a touch sensing unit disposed in the housing and including a plurality of touch sensors configured to perform touch sensing based on a touch applied to any one or any two or more of the plurality of touch members; an oscillation circuit unit configured to generate a plurality of touch sensing signals based on the touch sensing; and a signal processor configured to perform a slide mode, when any one of the plurality of touch sensing signals is a slide mode start touch, to determine whether a slide touch pattern input based on the plurality of touch sensing signals is a preset slide touch pattern.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: January 3, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gye Won Lee, Hee Sun Oh, Chang Ju Lee, Jong Yun Kim, Hong Seok Lee
  • Patent number: 11543907
    Abstract: An electronic device includes: a display panel configured to display an image; an input sensor comprising transmission electrodes on the display panel and reception electrodes that insulately cross the transmission electrodes; and a sensor controller configured to operate in a first mode or a second mode different from the first mode, wherein, in the first mode, the sensor controller is configured to transmit an uplink signal to an input device through the input sensor and to receive a downlink signal from the input device through the input sensor, wherein an input sensing frame, in which the sensor controller operates in the first mode, comprises an uplink period for which the uplink signal is provided to the input sensor, and the sensor controller is configured to not apply the uplink signal to at least a portion of the transmission electrodes during the uplink period.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongchun Lee, Jinwoo Kim, Byeongkyu Jeon
  • Patent number: 11543901
    Abstract: A touch control device and a stylus are provided. The stylus includes a transceiver and a controller. The controller generates a plurality of data items based on a request signal received by the transceiver, and generates at least one status data signal in each data item according to at least one operation status of the stylus. In particular, the controller makes the transceiver select at least one selected time period in a plurality of first time periods to transmit the at least one status data signal to a host and transmit at least one normal data signal in at least one other time period other than the at least one selected time period. In particular, a frequency of the at least one status data signal is different from a frequency of the at least one normal data signal.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: January 3, 2023
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Yifan Lin, Chia-Yu Hung
  • Patent number: 11543903
    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a base substrate; and a touch function layer on the base substrate, wherein the display panel includes a plurality of light transmitting regions and a plurality of pixel cell regions, a plurality of traces are connected between adjacent pixel cell regions, and there are slits between adjacent traces, and wherein an orthographic projection of the touch function layer on the base substrate covers an orthographic projection of the slits on the base substrate.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 3, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Longhui Xue, Yue Long, Wei Zhang, Xingliang Xiao
  • Patent number: 11543910
    Abstract: A display device includes: a display panel; a touch unit that overlaps the display panel; a window that overlaps the display panel and the touch unit; an optical adhesive layer disposed between the touch unit and the window; and a blocking layer disposed between the touch unit and the window and next to the optical adhesive layer. The blocking layer has a thickness that increases with increasing distance from the optical adhesive layer.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In-Su Baek, Gyun Soo Kim, Min Ki Kim, Ah-Ram Lee
  • Patent number: 11543935
    Abstract: An information processing method includes: in cases where at least one application program icon is displayed in a first display area, and an interface of a first application program is displayed in a second display area, receiving an input by a user for an icon of a second application program among the at least one application program icon; and in response to the input, performing a target operation in the second display area based on a display feature of the first application program. The at least one application program icon includes the icon of the second application program. The target operation is associated with the second application program.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: January 3, 2023
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Chengrui Sun
  • Patent number: 11537231
    Abstract: A display device is provided and includes a first substrate; a second substrate opposed to the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of detection electrodes, the second substrate being located between the detection electrodes and the liquid crystal layer; a shield electrode apart from the detection electrodes in a plane view, the second substrate being located between the shield electrode and the liquid crystal layer; and a resistive layer overlapping the detection electrodes and the shield electrode, the detection electrodes and the shield electrode located between the resistive layer and the second substrate.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: December 27, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Koji Ishizaki, Kohei Azumi
  • Patent number: 11537253
    Abstract: A touch substrate and a manufacturing method thereof, a touch display substrate and a touch display device are provided. The touch substrate includes: a touch structure, a first ground line, and at least one second ground line. The touch structure includes a sensor pattern and a touch line, the sensor pattern includes a plurality of first sensor patterns and a plurality of second sensor patterns, and the touch line includes a plurality of first touch lines and a plurality of second touch lines, the first sensor patterns is connected with the first touch line, and the second sensor pattern is connected with the second touch line. The first ground line is located at a periphery of the touch structure. The at least one second ground line is located at a side of the first ground line facing away from the touch structure.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: December 27, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jun Yan, Xiangdan Dong, Fan He, Lingran Wang, Bo Cheng, Mengmeng Du, Bo Zhang
  • Patent number: 11537248
    Abstract: A touch sensor panel according to the present invention includes: a plurality of first electrodes and a plurality of second electrodes, in which a touch window area includes a first number of consecutive first electrodes in a first direction among the plurality of first electrodes and a second number of consecutive second electrodes in a second direction with respect to at least one of the first number of first electrodes to correspond to each other, and a value acquired by multiplying the number of unit cells constituting at least one first electrode connected to a first trace among the first electrodes included in the touch window area and the number of unit cells constituting at least one second electrode connected to a second trace among the second electrodes included in the touch window area is less than a predetermined value.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: December 27, 2022
    Inventors: Seyeob Kim, Bonkee Kim, Jongsik Kim, Sein Lee
  • Patent number: 11538386
    Abstract: A reference voltage generation circuit is provided. The reference voltage generation circuit reduces a potential difference between a reference voltage less than a first data driving voltage and a data driving voltage, namely, the potential difference between a lower reference voltage and the data driving voltage is reduced. Therefore, the power loss of a voltage dividing module is reduced to prevent the problems of reduced reliability and reduced service life of a drive circuit board due to excessive internal temperature.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: December 27, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haoran Li, Jianfeng Xiao
  • Patent number: 11537244
    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.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: December 27, 2022
    Inventors: Do Ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
  • Patent number: 11537249
    Abstract: A detection value acquirer acquires a plurality of detection values that are based on capacitance of each of a plurality of common electrodes arranged in a matrix. A detection value calculator calculates detection values in a plurality of block regions each containing two or more common electrodes out of the plurality of common electrodes based on the plurality of detection values. A touch detector detects a touch by a conductor on the display screen of a display device based on the detection value of each of the plurality of block regions. The detection value calculator calculates the detection value of each of the plurality of block regions in the display screen based on the detection value of each of the two or more common electrodes included in each of the plurality of block regions.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: December 27, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Takashi Hatano
  • Patent number: 11537163
    Abstract: An information display apparatus according to an embodiment includes a first display unit configured to display information, a placement part including a noncontact charging unit configured to charge the placed portable terminal apparatus, an orientation determination unit configured to determine an orientation of the placed portable terminal apparatus, a first display control unit, and a charging control unit. The charging control unit controls the noncontact charging unit so as to perform a process for charging the portable terminal apparatus when the portable terminal apparatus is placed on the placement part. The first display control unit displays information to be displayed in the first display unit while changing the information according to whether the orientation of the portable terminal apparatus determined by the orientation determination unit is a first orientation or a second orientation different from the first orientation.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 27, 2022
    Assignee: JVCKENWOOD Corporation
    Inventor: Shigetoshi Kanda
  • Patent number: 11531420
    Abstract: A display module, a manufacturing method thereof, and a touch display device are provided. The display module includes: a display panel; a touch panel, including a plurality of wirings, the touch panel being located on a display side of the display panel; and a bonding component between the display panel and the touch panel, and configured to bond the display panel and the touch panel. A maximum space between two adjacent wirings of the plurality of wirings of the touch panel is not greater than 10?, and ? is the wavelength of light emitted by the display panel.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: December 20, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Kaimin Wang, Zhiyong Yang, Dexiong Song, Shihua Huang, Ming Li, Jie Xiang, Gong Chen, Shuzhen Yang
  • Patent number: 11531423
    Abstract: A touch display device comprises a display panel in which a plurality of touch electrodes including a plurality of X-touch electrodes extending to a first direction and a plurality of Y-touch electrodes extending to a second direction, and a plurality of subpixels are disposed; and a touch driving circuit supplying a touch driving signal to the display panel, sensing a touch by detecting a touch sensing signal, and overlapping with a turn-off section of a first switch transmitting the touch sensing signal and a turn-on section of a second switch resetting the touch sensing signal transmitted through the first switch.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 20, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Wooram Oh, KyungSu Ha
  • Patent number: 11531427
    Abstract: A display device, including: a touch screen panel including a touch panel and a display panel stacked under the touch panel; a touch driving circuit; and one or more rollers on which at least a portion of the touch screen panel is rolled. The touch panel may include receiving electrodes extending in a first axis direction and arranged in parallel in a second axis direction perpendicular to the first axis direction and driving electrodes extending in the second axis direction and arranged in parallel in the first axis direction. The display panel may include gate lines and source lines intersecting with the gate lines. The touch driving circuit may be configured to apply driving signals to the driving electrodes. The touch screen panel rolled on the one or more rollers may be unfolded as the one or more rollers slide in the first axis direction.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: December 20, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinbong Kim, Youngtae Son, Bumsoo Kim, Heejin Lee, Wongab Jung
  • Patent number: 11531422
    Abstract: Disclosed are touch display panel, method for driving touch display panel, and display device. The touch display panel includes display region including plurality of touch driver electrodes and plurality of touch sensing electrodes both arranged in array, and non-display region surrounding display region and including touch auxiliary circuit and touch driver circuit. When refresh frequency is first frequency, touch driver circuit configured to provide touch drive signal for each touch driver electrode in touch stage, and receive touch sensing signal returned by each touch sensing electrode to determine touch position according to touch sensing signal. When refresh frequency is the first frequency, touch auxiliary circuit configured to provide first voltage signal for each touch driver electrode in touch stage; and voltage of first voltage signal greater than voltage of touch drive signal. The present disclosure can increase report rate, and satisfy touch and display requirements for high refresh frequency.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: December 20, 2022
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Houfu Gong, Miao Chen, Chuan Liu, Jun Li, Zhihua Yu
  • Patent number: 11531435
    Abstract: Technology directed to low-emissions touch controller in in-cell touch display systems is described. One in-cell touch controller includes a signal generator circuit that is configured to generate a sense signal according to a sensing function, the sense signal including a windowed sinusoidal waveform. The controller generates a transition signal to transition the in-cell touch display between a display function and the sensing function. The controller drives the sense signal and the transition signal on common voltage (VCOM) layer of electrodes during a touch scanning interval. During a display function interval an integrated display driver is configured to drive a first signal on the VCOM layer of electrodes during a display function interval.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: December 20, 2022
    Assignee: Cypress Semiconductor Corporation
    Inventors: Viktor Kremin, Oleksandr Pirogov, Jens Weber, Yarsolav Lek, Daniel O'Keeffe, Brendan Lawton, Khosrov D Sadeghipour, Gaurav Panchanan, Andrew Kinane
  • Patent number: 11527584
    Abstract: A flexible touch panel apparatus includes a series of first electrodes extending along a first direction, at least one second electrode extending along a second direction and defining a bending axis of the flexible touch panel. An elastomeric layer is located between the series of first electrodes at least second electrode. A series of third electrodes are extending along the second direction parallel to the bending axis, and an insulator layer is located between at least one second electrode and the series of third electrodes. At least one second electrode is capacitively coupled to at least one of the series of first electrodes for bend sensing in the flexible touch panel along the bending axis, and the third electrodes are capacitively coupled to the first electrodes for touch sensing on the flexible touch panel.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: December 13, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jean Mugiraneza, Andrew Kay
  • Patent number: 11525971
    Abstract: An incorrect insertion and removal prevention system that can prevent an operator from incorrectly selecting a port to be operated without sacrificing the port mounting density is described. An optical transmission device 100 of the incorrect insertion and removal prevention system includes a plurality of ports 101 for transmitting and receiving an external signal, a touch sensor 102 installed in each of the ports 101 to detect a contact of the human body, a control unit 110 for causing a display unit 130 to display information about the port 101 corresponding to the touch sensor 102 detecting the contact of the human body, a storage unit 120 for storing information for distinguishing each port 101, and the display unit 130 for displaying the information for distinguishing each port 101.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: December 13, 2022
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Yuichiro Ikuma, Takeshi Seki, Takafumi Fukatani
  • Patent number: 11526240
    Abstract: An input device such as a stylus for providing input to a touch-sensitive surface with reduced sensitivity to leakage current variations over temperature is disclosed. A passive stylus may include one or more diodes in parallel with one or more bleed resistors. The non-linear load of the diode and resistor network can be operative to provide a stylus electric field in response to a stimulation signal from an electronic device that can be capacitively coupled to, and sensed by, the electronic device. The signal sensed by the electronic device can be a function of the total leakage current, which can vary greatly as a function of temperature and frequency. In order to improve performance, the diode and resistor network, including the bleed resistor(s) and diodes within that network, can be selected and/or designed to provide a reduced variation in the leakage current and more accurate stylus detection.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: December 13, 2022
    Assignee: Apple Inc.
    Inventors: Daniel Jacob Benjamin Bechstein, Ullas Chandra Sekhar Pazhayaveetil, Jason Chueh-Ren Hu, Robert Ubo Liu, Rexford J. Garland, John Stephen Smith, Blake R. Marshall
  • Patent number: 11526229
    Abstract: A sensing device having a hover mode is provided. The sensing device includes a substrate; and a plurality of sensing electrodes, disposed on the substrate, and defined as a plurality of hovering units in the hover mode, wherein the plurality of hovering units comprise a first hovering unit, and sensing electrodes with signals in the first hovering unit form a first identification pattern.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: December 13, 2022
    Assignee: InnoLux Corporation
    Inventor: Tsan-Po Weng
  • Patent number: 11526237
    Abstract: A touch sensing apparatus includes a coordinate calculator configured to count a current number of touches and calculate an estimated number of touches, by the unit of touch group, by using touch data including touch coordinates of a plurality of touch electrodes, and detect a discontinuous touch corresponding to a touch group in which the current number of touches and the estimated number of touches are not the same; and a touch data generator configured to generate the touch data including corrected coordinate data.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: December 13, 2022
    Assignee: LX Semicon Co., Ltd
    Inventor: Yang Been Lim
  • Patent number: 11520557
    Abstract: An assortment of Cognitive Load Reduction (CLR) systems is disclosed. The systems are worn by a user, rather than appearing on displays in front of the user. This arrangement allows the systems to be movable and less confining. This in turn results in the wearer employing the CLR systems in a wider variety of environments than earlier mechanisms.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: December 6, 2022
    Assignee: Advanced Cognitive Concepts
    Inventor: Andy Bevilacqua
  • Patent number: 11520437
    Abstract: Embodiments of this disclosure provide a touch device, a touch system and a control method thereof. The touch device includes: a touch screen including: a plurality of touch electrodes, and a plurality of switch circuits corresponding to the plurality of touch electrodes respectively; and a drive chip bound and connected with the touch screen. The touch electrodes are coupled to the drive chip through the corresponding switch circuits. The drive chip is configured to: determine that the touch screen is contacted by an interference object and determine an interference area, according to capacitance values of the touch electrodes during a time period when a stylus is interacting with the touch screen, and disconnect touch electrodes in the interference area from the drive chip through corresponding switch circuits.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 6, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zhixiang Fang, Guanglei Yang
  • Patent number: 11520449
    Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Hyeon Jeong, Taejoon Kim, Hyun-Wook Cho, Jaewoo Choi
  • Patent number: 11520426
    Abstract: A detection apparatus is provided and includes touch detection surface serving as detection region having two dimensions; first electrodes arranged in first and second directions in the two dimensions; and connection lines connected to first electrodes in one-to-one manner and connected to signal output unit, base electrode opposed to first electrodes with predetermined gap there between, electrode driver configured to provide drive signal and force signal to first electrodes, wherein signal output unit is configured to output first signal indicating position where touch operation has been performed when drive signal is provided to first electrodes, first signal being represented by self-capacitances of first electrodes, and to output second signal indicating force that is applied to detection region when force signal is provided to first electrodes and that brings first electrodes close to base electrode, second signal is signal based on electrostatic capacitances obtained by individual detection, and indivi
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: December 6, 2022
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Yasuyuki Teranishi
  • Patent number: 11520452
    Abstract: The present invention discloses a noise reduction touch light adjustment device including a light adjustment film, a capacitive touch panel, a noise reduction film, a glass substrate, a control circuit module, and an alternating current (AC) transformer. The noise reduction film is disposed between the light adjustment film and the capacitive touch panel to lower noise inputted from the AC transformer into the light adjustment film such that the capacitive touch panel is ensured to be operated precisely.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: December 6, 2022
    Assignee: Silicon Integrated Systems Corp.
    Inventors: Yi-Feng Chiang, Cheng-Yi Huang
  • Patent number: 11513652
    Abstract: A display device includes a display layer on which a display area and a non-display area adjacent to the display area are defined and a sensor layer on which a plurality of sensor units are defined. The plurality of sensor units includes a first sensor unit overlapping the display area and a second sensor unit overlapping the display area and the non-display area. The second sensor unit includes a first portion and a second portion expanded from the first portion, and the first portion has a shape that is the same as a shape of which a portion is removed from the first sensor unit, and a width of the second sensor unit in a first direction is greater than a width of the first sensor unit in the first direction.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongyun Han, Jong-Hwa Kim, Kyungsu Lee
  • Patent number: 11511605
    Abstract: An operation input device includes a resistance element to generate a capacitance between an operating medium and the resistance element in response to an approach of the operating medium to the resistance element, and a power source to supply electric charge to one end and the other end of the resistance element. A first electric unit measures a first electric charge transfer amount supplied to the one end of the resistance element in response to generation of the capacitance. A second unit measures a second electric charge transfer amount supplied to the other end of the resistance element in response to generation of the capacitance. A controller is connected to the first and second units, and detects a position of the operating medium in a direction perpendicular to a surface of the resistance element based on a sum of the first and second electric charge transfer amounts.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: November 29, 2022
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Tatsumi Fujiyoshi, Hiroshi Shigetaka, Daisuke Takai
  • Patent number: 11513641
    Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: SangHyuck Bae, BuYeol Lee, SeungRok Shin, CheolSe Kim, DeukSu Lee, Hyunwoo Jang, Jaeseung Kim, YoungGyu Kim, Hyunsuk Cho
  • Patent number: 11513626
    Abstract: Embodiments of the present disclosure may provide a display device including a touch sensor and a manufacturing method thereof including a first touch signal line and a second touch signal line disposed on a first insulating layer, a second insulating layer disposed on the first touch signal line and the second touch signal line, a first via connected to the first touch signal line and a second via connected to the second touch signal line through a first contact hole and a second contact hole respectively included in the second insulating layer, and a common electrode disposed on the second insulating layer, wherein the first via is connected to the common electrode and the second via is not connected to the common electrode.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: November 29, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Duha Kim, Jinho Cho
  • Patent number: 11515366
    Abstract: A display device includes a display panel comprising a through hole and a pixel area, the pixel area surrounding the through hole and including pixels for displaying an image; a force sensor at a first surface of the display panel and configured to sense force applied from an outside; and a light sensor overlapping the through hole of the display panel in a thickness direction of the display panel, the light sensor being configured to sense light incident on the light sensor through the through hole.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, So Hee Park, Hee Seomoon, Hyeon Jun Lee
  • Patent number: 11513635
    Abstract: A processing system for an input device comprises sensor circuitry. The sensor circuitry is configured to operate sensor electrodes for input sensing during a first sensing frame. During a first period of the first sensing frame the sensor circuitry is configured to drive a first portion of the sensor electrodes with a sensing signal, drive a second portion of the sensor electrodes with a guarding signal, and drive a third portion of the sensor electrodes with a reference signal. The guarding signal and the sensing signal have at least one characteristic in common selected from the group consisting of amplitude, phase and frequency. The third portion of the sensor electrodes overlaps a first gate line of a display panel selected for updating during the first period.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: November 29, 2022
    Assignee: Synaptics Incorporated
    Inventors: Daisuke Ito, Hiroshi Takeyama, Jonathan Losh
  • Patent number: 11507232
    Abstract: A sensor module includes a base layer including a fingerprint sensing area, first touch electrode members arranged on the base layer along a first direction, and including a plurality of first touch electrodes connected to one another along the first direction, where each first touch electrode includes a first opening, second touch electrode members arranged on the base layer along a second direction crossing the first direction, and including a plurality of second touch electrodes connected to one another along the second direction, a first fingerprint electrode member disposed on the fingerprint sensing area, and including a plurality of first fingerprint electrodes connected to one another, and a second fingerprint electrode member disposed on the fingerprint sensing area, and including a plurality of second fingerprint electrodes connected to one another. The plurality of first fingerprint electrodes and the plurality of second fingerprint electrodes are disposed in the first opening.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sung Hyun Park
  • Patent number: 11507234
    Abstract: A touch substrate, a manufacturing method thereof, and a display device. The touch substrate includes: a basal substrate; a first touch electrode, a black matrix, and a second touch electrode located on a first surface of the basal substrate; an orthographic projection of the first touch electrode on the basal substrate and an orthographic projection of the second touch electrode on the basal substrate at least partially overlap with each other; the first touch electrode and the second touch electrode are insulated from each other; in an overlapping area of the first touch electrode and the second touch electrode, the black matrix is located between the first touch electrode and the second touch electrode.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: November 22, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Fuwei Zou, Ming Zhang, Zhanqi Xu, Ting Zeng, Tsungchieh Kuo
  • Patent number: 11507221
    Abstract: An analog front-end circuit for a touch controller and an operating method thereof are provided. The analog front-end circuit includes an analog front-end, a first switch and a second switch. The analog front-end includes an input terminal and an output terminal. The first switch includes a first terminal and a second terminal. The first terminal of the first switch is coupled to the input terminal of the analog front-end, and the second terminal of the first switch is coupled to a panel routing. The second switch includes a first terminal and a second terminal. The first terminal of the second switch is coupled to the second terminal of the first switch, and the second terminal of the second switch is coupled to a reference voltage.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: November 22, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Hung-Kai Chen, Yu-Huang Chen, Feng-Lin Chan
  • Patent number: 11507267
    Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 22, 2022
    Assignee: Cirrus Logic, Inc.
    Inventors: Hamid Sepehr, Pablo Peso Parada, Willem Zwart, Tom Birchall, Michael Allen Kost, Tejasvi Das, Siddharth Maru, Matthew Beardsworth, Bruce E. Duewer
  • Patent number: 11507237
    Abstract: A display device includes a display panel including non-folding areas arranged along a first direction and a folding area between the non-folding areas, a first electrode on the display panel and extending in the first direction, and a second electrode on the display panel, insulated from the first electrode, and extending in a second direction crossing the first direction. Openings overlapping the folding area are in the first electrode.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: November 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soowon Kim, Hyungchul Kim
  • Patent number: 11508790
    Abstract: A display device including a window, a display panel, and an input detection sensor disposed therebetween and including a first electrode extending in a first direction, a second electrode extending in the first direction, a third electrode intersecting with the first and second electrodes while insulated therefrom, a first signal line electrically connected to an end of the first electrode, a second signal line electrically connected to an end of the second electrode, and a third signal line and a fourth signal line electrically connected to a first end and a second end of the third electrode, respectively, in which each of the first and second signal lines includes a first part and a second part extending in the first direction and disposed between the first part of the first signal line and the second part of the first signal line in a second direction crossing the first direction.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-hwa Kim, Kyungsu Lee, Jeongyun Han
  • Patent number: 11502159
    Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first substrate and a second substrate disposed opposite to the first substrate. In a non-display area, multiple first conductive structures and multiple metal wires are configured on one side of the first substrate facing to the second substrate, and multiple second conductive structures are configured on one side of the second substrate facing to the first substrate. Each first conductive structure is electrically connected to a respective second conductive structure. Each first conductive structure includes a first transmit electrode and a first gasket structure that is disposed between the first transmit electrode and the first substrate. The first transmit electrode is electrically connected to a metal wire and the respective one second conductive structure. The first gasket structure includes multiple first recessed portions.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: November 15, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhuan Gao, Xinzhao Liu
  • Patent number: 11500467
    Abstract: A method for providing haptic feedback. Haptic feedback may be provided to a user through a touch-sensitive input device configured to provide input to a touch-sensitive computing device. The method includes determining a haptic perception factor based at least in part on one or more of a set of input device inputs received from sensors of the touch-sensitive input device and a set of computing device inputs received from sensors of the touch-sensitive computing device. A haptic response profile is determined based at least in part on the haptic perception factor. Haptic devices of the touch-sensitive input device are then actuated based at least in part on the determined haptic response profile.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: November 15, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Uri Ron, Vadim Mishalov, Shoham Dekel, Arie Yehuda Gur
  • Patent number: 11500505
    Abstract: Embodiments of the present disclosure provide a touch substrate and a touch display device. In the touch substrate, the first touch control electrodes are provided with the shadow elimination structures at the first intersections, and the orthographic projections of the shadow elimination structures on the base substrate cover the orthographic projections of the connection through holes on the base substrate, so that shadows of the connection through holes can be shielded by the shadow elimination structures, when the user watches the touch substrate from the side, away from the signal line layer, of the base substrate, and thus the ghosting shadow problem of the connection through holes can be resolved.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 15, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xiaodong Xie, Min He, Jing Wang, Bin Pang, Xinxiu Zhang, Xue Zhao
  • Patent number: 11502271
    Abstract: An electronic device including a window having a front surface and a rear surface, a display panel disposed on the rear surface of the window, the display panel having a front surface and a rear surface, and a sensory button set disposed on the rear surface of the display panel. The sensory button set includes a sensor unit, and a pusher disposed between the sensor unit and the display panel configured to transfer an external force applied to a predetermined area of the window to the sensor unit.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Na Kim, Jung Hun Noh, Jae Been Lee, Yi Joon Ahn
  • Patent number: 11500484
    Abstract: A display device includes a display substrate in which a plurality of sub-pixel areas is defined, a light-emitting diode (“LED”) on the display substrate, a touch sensor electrode on the display substrate and including at least one touch electrode, and a bank separating the plurality of the sub-pixel areas, where each of the plurality of the sub-pixel areas may include a first area in which the LED is disposed and a second area in which the touch sensor electrode is disposed.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seunglyong Bok, Mugyeom Kim
  • Patent number: 11495165
    Abstract: A display device is described including a display panel for displaying an image and an input sensing unit disposed on the display panel for sensing a user input. The input sensing unit includes: an electrode unit including first electrodes and second electrodes which intersect each other and a control unit for determining the proximity of an object or the shape of the object, based on capacitance change values of the first electrodes and the second electrodes. In a first mode the input sensing unit is driven using a self-capacitance method. The control unit may merge the capacitance change values, and determine the proximity of the object based on the merged value. In a second mode based on mutual capacitance, the control unit may determine the shape of the object.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Woo Choi, Tae Joon Kim, Eun Sol Seo, Hyun Wook Cho
  • Patent number: 11494073
    Abstract: Systems and methods for interactive objects including conductive lines are provided. An interactive object may comprise a capacitive touch sensor comprising two or more non-crossing conductive lines that form at least a first conductive line pattern. The first conductive line pattern may comprise a first, second, and third sequence of the two or more non-crossing conductive lines relative to a respective first, second, and third input direction. The interactive object may be configured to detect touch input to the capacitive touch sensor based on a change in capacitance associated with the two or more non-crossing conductive lines, identify at least one of the first, second, or third line sequence based on the touch input to the capacitive touch sensor, and determine a respective gesture corresponding to the first, second, or third sequence of two or more non-crossing conductive lines.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: November 8, 2022
    Assignee: GOOGLE LLC
    Inventor: Tong Wu