Including Impedance Detection Patents (Class 345/174)
  • Patent number: 11782554
    Abstract: An electronic device obtains an included angle between a touchscreen (a curved screen with a radian on a side edge) and a horizontal plane; starts a camera in response to the included angle between the touchscreen and the horizontal plane falling within a first preset angle range; obtains a distance between the electronic device and a user and a face yaw degree of the user in response to the camera collecting a face image; and performs anti-mistouch processing on a preset mistouch operation of the user on the touchscreen in response to the distance between the electronic device and the user being less than a first distance threshold and the face yaw degree falling within a second preset angle range.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: October 10, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lanhao Chen, Shikun Xu, Jianwei Cui, Fei Yu
  • Patent number: 11782547
    Abstract: The present disclosure provides a display substrate and a manufacturing method therefor, and a display device. The display substrate includes: a substrate base, including a first region and a second region; a plurality of sub-pixels, at least one sub-pixel including a light-emitting element including a first electrode, a light-emitting layer, and a second electrode; a plurality of first power lines electrically connected to the first electrode; a first power bus electrically connected to the plurality of first power lines; a second power line electrically connected to the second electrode and including a first portion and a second portion, a gap existing between the second portion of the second power line and the first power bus; a first insulating layer covering the first power bus, the second power line, and the gap; a conductive layer on the first insulating layer; and a plurality of touch electrode lines.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: October 10, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Jun Yan
  • Patent number: 11782561
    Abstract: A display panel, a touch control structure and a display device are provided. The display panel includes a touch control structure layer including a plurality of mesh pattern units which are polygons formed by metal wires. The touch control structure layer includes a bridge layer, an insulating layer and a touch control layer. The touch control layer includes a plurality of first touch control electrodes and first connecting parts arranged along a first extending direction and a plurality of second touch control electrodes arranged along a second extending direction. The plurality of first touch control electrodes and first connecting parts are alternately arranged and serially coupled, and the second touch control electrodes are arranged at intervals.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: October 10, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xuefei Sun, Jaegeon You, Liyan Liu, Xinxing Wang
  • Patent number: 11775123
    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.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 11778912
    Abstract: The present disclosure provides a manufacturing method for a piezoelectric ceramic chip, a piezoelectric ceramic chip assembly and a display device. The manufacturing method includes: transferring a piezoelectric ceramic layer and a bottom electrode covering the piezoelectric ceramic layer formed on a substrate to a base plate, forming an insulating layer with an opening on the base plate, so that edges of the piezoelectric ceramic layer and the bottom electrode are covered by the insulating layer, and the piezoelectric ceramic layer is exposed from the opening; etching the base plate by immersing the base plate in an etching solution for etching a material of the bottom electrode; and forming a top electrode in the opening of the insulating layer, so that the top electrode is spaced apart from the insulating layer.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: October 3, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yuju Chen
  • Patent number: 11775117
    Abstract: A method of operating a display includes performing a non-synchronized touch scan pattern on a display with a controller coupled to the display. The non-synchronized touch scan pattern schedules touch scans independent of a refresh rate of the display. Upon the controller detecting a first synchronization pulse from a display controller coupled to the controller and the display, a first pulse-checking timer is started. Upon detecting a second synchronization pulse from the display controller and before the first pulse-checking timer expires, a first display refresh rate for the display is obtained from an interval between the first synchronization pulse and the second synchronization pulse. A synchronized touch scan pattern is performed with the controller, and is scheduled to avoid touch scans coinciding with refreshes of the display performed at the first display refresh rate.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: October 3, 2023
    Assignees: STMicroelectronics (Beijing) R&D Co., Ltd., STMicroelectronics Ltd.
    Inventors: Pengcheng Wen, Yuan Yun Wang
  • Patent number: 11775092
    Abstract: A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: October 3, 2023
    Assignee: Synaptics Incorporated
    Inventors: Wei-Lung Lee, Chih-Chien Chou, Lin-Hsiang Hsieh
  • Patent number: 11775104
    Abstract: A display device includes: a display unit; and a sensor unit overlapping with the display unit, and including first sensors, and second sensors crossing the first sensors. During a first frame period, the first sensors are to transmit an uplink signal, and the second sensors are to not transmit the uplink signal, and during a second frame period after the first frame period, the second sensors are to transmit the uplink signal, and the first sensors are to not transmit the uplink signal.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Heon Lee, Kyo Won Ku, Jung Hak Kim, Jin Woo Kim, Dong Chun Lee, Byeong Kyu Jeon
  • Patent number: 11775125
    Abstract: A touch electrode structure, a touch screen and a touch display device. The touch electrode structure includes: a plurality of touch electrode blocks electrically insulated from each other, wherein each of the plurality of touch electrode blocks includes a main body portion and a sawtooth portion electrically connected to the main body portion, and the sawtooth portions opposite to each other in adjacent touch electrode blocks are nested with each other.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: October 3, 2023
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongshan Wu, Jiandong Guo, Yan Liu
  • Patent number: 11775097
    Abstract: A flexible display input device includes a flexible display layer and a keyswitch layer. The keyswitch layer is disposed under the flexible display layer and includes a first elastic film, a first electrode, a second elastic film, and a second electrode. The first electrode is disposed on a side of the first elastic film facing toward the flexible display layer. The second elastic film is located between the flexible display layer and the first elastic film. The second electrode is disposed on a side of the second elastic film facing toward the first elastic film and is opposite to the first electrode.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: October 3, 2023
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Wei Yi Lin, Chia Te Cho, Zhi Juan Lin, Ching-Kai Cho, Ming-Hsien Ko
  • Patent number: 11775109
    Abstract: The use of multiple stimulation signals having one or more frequencies and one or more phases to generate an image of touch on a touch sensor panel is disclosed. Each of a plurality of sense channels can be coupled to a column in a touch sensor panel and can have one or more mixers. Each mixer in the sense channel can utilize a circuit capable generating a demodulation frequency of a particular frequency. At each of multiple steps, various phases of one or more selected frequencies can be used to simultaneously stimulate the rows of the touch sensor panel, and the one or more mixers in each sense channel can be configured to demodulate the signal received from the column connected to each sense channel using the one or more selected frequencies. After all steps have been completed, the demodulated signals from the one or more mixers can be used in calculations to determine an image of touch for the touch sensor panel at each of the one or more frequencies.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 3, 2023
    Assignee: Apple Inc.
    Inventors: Christoph Horst Krah, Steven Porter Hotelling, Sean Erik O'Connor, Wayne Carl Westerman
  • Patent number: 11768553
    Abstract: An input device has an operative member on which switches are arranged to receive a pushing force. The input device has a control unit which is configured to store both a first correction coefficient and a second correction coefficient. The first correction coefficient may correct variations in displacement caused by differences in pushing positions on the operative member. The second correction coefficient may correct differences in sensitivity among a plurality of sensors. The control unit is configured to perform: correcting a plurality of displacements by the first correction coefficient and the second correction coefficient; and determining whether presence or absence of a push operation by comparing a summation of corrected values with a predetermined threshold value.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: September 26, 2023
    Assignee: DENSO CORPORATION
    Inventors: Masahiro Ito, Kazuteru Itou
  • Patent number: 11768564
    Abstract: An apparatus includes a global baseliner circuit coupled with sensing channels of a sensing device. The global baseliner circuit has a signal generator to generate a rectified sinusoidal signal and a square wave having a frequency matching that of an excitation sinusoidal signal, and is to use the square wave to modulate the excitation sinusoidal signal provided at an output of the global baseliner circuit. A channel baseliner circuit is coupled between the global baseliner circuit and a sensing channel and that includes a switched capacitor coupled between the output of the global baseliner circuit and the sensing channel; a sigma-delta modulator coupled with the signal generator and to generate, from the rectified sinusoidal signal, a density-modulated bit stream; and a pair of AND gates to use the density-modulated bit stream and non-overlapping clock signals to generate outputs including density-modulated clock signals sent to switches of the switched capacitor.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: September 26, 2023
    Assignee: Cypress Semiconductor Corporation
    Inventors: Viktor Kremin, Oleksandr Pirogov, Vadym Grygorenko, Jens Weber
  • Patent number: 11768565
    Abstract: A cover film used together with a pen sensor including a plurality of sensor electrodes, and a sensor controller which detects a position of an active pen in reference to a distribution of signal levels each corresponding to an amount of electric charge induced in an individual one of the plurality of sensor electrodes by a pen signal transmitted from a pen tip electrode disposed at a tip of the active pen. The cover film includes a conductive resin that covers an effective area formed by the sensor electrodes for detection of the position of the active pen and that includes a substantially uniform resistance component at least within a range of the effective area. The cover film is arranged, without via a cover glass, on an upper surface of a sensor electrode group including the plurality of sensor electrodes.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: September 26, 2023
    Assignee: Wacom Co., Ltd.
    Inventor: Jun Kadowaki
  • Patent number: 11768570
    Abstract: An input sensing unit including: a first sensing electrode, a second sensing electrode insulated from the first sensing electrode, a first sensing line connected to one end of the first sensing electrode, a second sensing line connected to the other end of the first sensing electrode, a third sensing line connected to one end of the second sensing electrode, a first bridge pattern connecting the first sensing line and the second sensing line, a second bridge pattern substantially parallel to the first bridge pattern, and a pad connected to the second bridge pattern. The first bridge pattern extends in a first direction and overlaps the first sensing electrode in the first direction, and the pad is disposed closer to the second bridge pattern than the first bridge pattern. Thus, the input sensing unit has improved reliability.
    Type: Grant
    Filed: May 30, 2022
    Date of Patent: September 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hwa Kim, Wonkyu Kwak, Jeongyun Han, Kyungsu Lee
  • Patent number: 11762244
    Abstract: The displacement between a TFT substrate and a counter substrate and the cut of an alignment film caused by a columnar spacer are prevented. A liquid crystal display device includes: a TFT substrate including a scanning line extending in a first direction, a picture signal line extending in a second direction, a pixel electrode formed in a region surrounded by the scanning line and the picture signal line, and a common electrode formed as opposed to the pixel electrode through an insulating film; a counter substrate disposed as opposed to the TFT substrate and having a spacer; and a liquid crystal sandwiched between the substrates. A common metal interconnection is formed to cover the picture signal line or the scanning line, and stacked on the common electrode. A through hole is formed on the common metal interconnection. The tip end of the spacer is disposed inside the through hole.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: September 19, 2023
    Assignee: Japan Display Inc
    Inventors: Masateru Morimoto, Saori Sugiyama, Motoharu Miyamoto
  • Patent number: 11762519
    Abstract: Provided are a flexible touch substrate, a flexible touch panel, and a flexible touch apparatus. The flexible touch substrate includes: a flexible base, a plurality of light-emitting devices, a touch electrode layer, and a shielding layer. The light-emitting devices are located on the flexible base; the touch electrode layer is located on the side of the light-emitting devices distant from the flexible base; the shielding layer is located between the light-emitting devices and the touch electrode layer; the shielding layer is insulated from the light-emitting devices and the touch electrode layer, the shielding layer comprises a plurality of openings; and light emitted by the light-emitting device can pass through the openings.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: September 19, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zewen Bo, Tawei Kuo, Baofeng Sun
  • Patent number: 11762499
    Abstract: A drive-sense circuit coupled to a variable voltage load. The drive-sense circuit includes a current reference circuit operable to generate a current reference signal. The drive-sense circuit further includes a regulated impedance source circuit operable to generate a regulated impedance signal based on an analog regulation signal, where the regulated impedance signal is provided on a line to the variable voltage load to keep a load current on the line substantially matching the current reference signal, and where a voltage of the variable voltage load effects the regulated impedance signal. The drive-sense circuit further includes a impedance loop correction circuit operable to generate a comparison signal based on the current reference signal and the load current, where the comparison signal represents the voltage, and where the analog regulation signal is representative of the comparison signal.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: September 19, 2023
    Assignee: SIGMASENSE, LLC.
    Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
  • Patent number: 11762512
    Abstract: An electronic device such as a speaker device may have a curved housing characterized by a vertical longitudinal axis. A layer of fabric may cover the curved housing. A touch sensor may be used to detect touch input on the layer of fabric. The touch sensor may include capacitive touch sensor electrodes including drive lines and sense lines. In some arrangements, the touch sensor is formed from conductive strands in the layer of fabric. In other arrangements, the touch sensor is formed from conductive traces on a substrate. The substrate may be formed from portions of the curved housing or may be formed from a layer that is separate from the housing. Light-emitting components and/or fabric with different visual characteristics may be used to mark where the touch-sensitive regions of the fabric are located. The touch-sensitive regions may be shaped as media control symbols.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: September 19, 2023
    Assignee: Apple Inc.
    Inventors: Zhengyu Li, Elvis M. Kibiti, Ming Gao, Qiliang Xu, Chen Zhang
  • Patent number: 11762489
    Abstract: An array substrate includes a base substrate; a common electrode layer including a plurality of common electrodes, arranged in an array, a part of which being also used as first touch electrodes and another part of which being also used as second touch electrodes; a first conductive layer including a plurality of electrode connecting lines, each row of first touch electrodes being coupled serially by at least one electrode connecting line; and a second conductive layer including a plurality of first touch signal lines and a plurality of second touch signal lines, each row of first touch electrodes being coupled to at least one first touch signal line which is configured to transmit a first touch signal; each second touch electrode or each column of second touch electrodes being coupled to at least one second touch signal line which is configured to transmit a second touch signal.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: September 19, 2023
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhixuan Guo, Fengguo Wang, Yezhou Fang, Xinguo Wu, Hong Liu, Shiyu Zhang, Lei Li
  • Patent number: 11762500
    Abstract: Sensors capable of detection of user objects within different detection zones can be used to reduce power consumption of a touch screen interface of an electronic device, even while the device is in a suspended or sleep state. At least one object sensor, such as a capacitive sensor, has a detection zone or range exceeding the range of a touch screen sensor, so the touch screen sensor can be placed into a low power state until the object sensor detects a user object in a position approaching the touch screen. The object sensor(s) are positioned around or within the perimeter of the interaction area of the touch screen. The object sensor(s) can have less power consumption than the touch screen sensors, so the electronic device can have extended standby battery life or other more energy efficient operation. Object sensors are also used to detect gestures or user object positioning.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: September 19, 2023
    Assignee: APPLE INC.
    Inventor: Tavys Q. Ashcroft
  • Patent number: 11755133
    Abstract: Disclosed are an array substrate, a manufacturing method thereof, and a display device. The array substrate includes: a base substrate; an electrode layer, located on the base substrate and including a first electrode and a second electrode which are spaced apart from each other; a touch electrode, located on the base substrate, and a touch wire, connected to the touch electrode; the touch electrode and the first electrode are insulated from each other, the touch electrode and the second electrode are insulated from each other, the touch wire is at one side of the touch electrode away from the base substrate, and the electrode layer is at one side of the touch electrode close to the base substrate.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: September 12, 2023
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd
    Inventors: Yaxiong Cao, Zhiqiang Wang, Xinchao Cui, Dongdong Zhang, Jianfei Tian, Peng Luo
  • Patent number: 11752316
    Abstract: An intra-cavity circulation heat perfusion apparatus, comprising a casing, an electromagnetic induction heating means, and a controller. The electromagnetic induction heating means comprises a tray and an electromagnetic induction coil; the tray is used for bearing a heating tank; a master control unit of the controller controls the electromagnetic induction coil to be electrified to heat the heating tank, so as to indirectly heat a medicinal liquid in a liquid storage chamber; a data acquisition unit is used for acquiring medicinal liquid temperature values of the heating tank, a liquid outlet pipeline, and a liquid return pipeline and transferring same to the master control unit; the master control unit controls a power control unit according to the medicinal liquid temperature values to control a heating power of the electromagnetic induction coil.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 12, 2023
    Assignee: GUANGZHOU BRIGHT MEDICAL TECHNOLOGY CO., LTD.
    Inventors: Shuzhong Cui, Diwen Huang, Hongsheng Tang, Bin Wang, Qiang Ruan, Jing Li
  • Patent number: 11755160
    Abstract: Electronic equipment includes a touch sensor including a plurality of electrodes arranged in a plane shape and separated from each other in an array direction, a differential amplifier that amplifies a difference between a positive-side signal and a negative-side signal selectively output from the plurality of electrodes and that outputs the difference, a position detection unit that detects a touch position in a sensor area that is formed by the touch sensor, based on an output signal from the differential amplifier, and a conductive part that is a part made of a conductive material or contains a conductive material and that is arranged to partially overlap the sensor area in plan view. The conductive part is arranged such that an outermost end point thereof in the array direction is positioned on one of the plurality of electrodes.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: September 12, 2023
    Assignee: Wacom Co., Ltd.
    Inventor: Jun Kadowaki
  • Patent number: 11755145
    Abstract: An interface device includes an electronic device and an input device configured to communicate with the electronic device. The electronic device includes a display layer and a sensing layer disposed under the display layer. The sensing layer transmits a first driving signal to the input device and sensing an input generated by the input device. The input device includes a resonance circuit unit in which a first magnetic field is generated based on the first driving signal, a control unit configured to control the resonance circuit unit, and a power supply unit providing power to the control unit. A second magnetic field is generated by the supply in the resonance circuit unit. The sensing layer senses the input based on the second magnetic field.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sanghyun Lim
  • Patent number: 11755167
    Abstract: A touch display device can include a plurality of light-emitting elements disposed on a substrate, each light-emitting element including an emission area having a plurality of vertices. The touch display device can further include an encapsulation unit disposed on the plurality of light-emitting elements, and a plurality of touch electrodes disposed on the encapsulation unit so as to surround the emission area. Each of the plurality of touch electrodes can have a mesh structure configured to surround the emission area, and surfaces of the each of the plurality of touch electrodes facing the plurality of vertices of the emission area can be formed in a rounded shape. A distance from a peripheral edge of the emission area to a corresponding touch electrode can be substantially same in each of the plurality of light-emitting elements.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: September 12, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Sung-Jin Park
  • Patent number: 11755141
    Abstract: A display device includes: a display panel configured to display an image; an input sensor on the display panel and configured to operate in a first sensing mode or a second sensing mode different from the first sensing mode; and a sensor controller configured to drive the input sensor, wherein the sensor controller is configured to drive the input sensor under a first driving condition different from a driving condition of the first sensing mode in response to the second sensing mode being entered, and the sensor controller is configured to change the first driving condition to a second driving condition different from the first driving condition according to a specific event which occurs after entering the second sensing mode.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soongyu Lee, Hoeung Lee, Yongjin Jee
  • Patent number: 11755155
    Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee
  • Patent number: 11758375
    Abstract: The present disclosure has an object to provide an information processing apparatus that can easily grasp a passenger during a driver's driving. A controller included in an information processing apparatus according to the present disclosure executes: acquiring first information that is information related to an appearance of a passenger having requested a ride in a vehicle being driven by a driver and is image information taken; and generating information related to the passenger by converting the first information into second information representing a predetermined characteristic part of the appearance of the passenger.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 12, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yeonseo Kim, Shin Sakurada, Daisuke Tanabe, Ayana Takeshita, Hiroyuki Tokita, Koichi Asamoto
  • Patent number: 11755156
    Abstract: Various embodiments provide a thin and lightweight organic light-emitting display device having a touch sensor. The organic light-emitting display device having a touch sensor includes a touch-sensing line and a touch-driving line disposed on an encapsulation stack so as to overlap each other. The touch-sensing line and the touch-driving line overlap each other in a location in which an organic touch dielectric film and an inorganic touch dielectric film are disposed therebetween, thereby preventing the generation of spots in the event of degeneration of the organic touch dielectric film and preventing damage to the organic touch dielectric film.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: September 12, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong-Gi Yun, Go-Eun Lim
  • Patent number: 11755159
    Abstract: A touch control structure is provided. The touch control structure includes a corner row including a plurality of row mesh blocks electrically connected along a row direction; and a plurality of residual portions in a corner region, and electrically connected to the plurality of row mesh blocks. The touch control structure includes a corner column including a plurality of column mesh blocks electrically connected along a column direction; and a corner column mesh block at least partially in the corner region. The corner column mesh block includes a main portion and a plurality of protrusion portions along an edge of the main portion. The plurality of residual portions and the plurality of protrusion portions are alternately arranged along a direction substantially parallel to the edge of the main portion. The touch control structure further includes a residual connecting conductive plate electrically connecting the plurality of residual portions together.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: September 12, 2023
    Assignees: Cheagdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shun Zhang, Ping Wen, Yuanqi Zhang, Yi Zhang, Tingliang Liu, Chang Luo, Wei Wang, Yu Wang, Yang Zeng
  • Patent number: 11755163
    Abstract: Provided is a touch panel. The touch panel includes a back plate and a touch electrode layer disposed on a side of the back plate, wherein the touch electrode layer has a circular touch region and includes a plurality of touch electrodes, the plurality of touch electrodes are distributed in the touch region, and any touch electrode distal from a periphery of the touch region has three side edges sequentially connected end to end.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: September 12, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shun Zhang, Yuanqi Zhang, Yi Zhang, Chang Luo
  • Patent number: 11747925
    Abstract: An electronic circuit adapted to drive a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit and a switch circuit. The first circuit is configured to generate display driving signals for driving data lines of the display panel. The second circuit is configured to receive fingerprint sensing signals corresponding to a fingerprint image from fingerprint sensing lines of the display panel. The switch circuit includes a plurality of first terminals and a plurality of second terminals. The first terminals are coupled to the first circuit and the second circuit. The second terminals are configurable to be coupled to the display panel via a plurality of first pins of the electronic circuit. Each of the first pins is configurable to be coupled to a corresponding data line and a corresponding fingerprint sensing line of the display panel.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: September 5, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Feng-Jung Kuo, Jung-Chung Lee, Chiu-Huang Huang, Ting-Hsuan Hung
  • Patent number: 11747945
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chui Kim, Hye-Seok Na, Soojung Lee
  • Patent number: 11747922
    Abstract: An interface device includes an electronic device and an input device for communicating with the electronic device. The electronic device includes a display layer, a sensor layer, and a controller for outputting a first uplink signal and a second uplink signal to the sensor layer. The input device includes a communication unit for receiving an uplink signal from the sensor layer, a memory for storing first information and second information, a signal determination unit for determining whether the uplink signal is the first uplink signal or the second uplink signal, based on the first information and the second information, and a signal conversion unit for outputting conversion data in response to the uplink signal being the second uplink signal.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jina Kang, Soongyu Lee, Byeongkyu Jeon, Kyowon Ku, Jinwoo Kim, Dongchun Lee
  • Patent number: 11740731
    Abstract: A computing device includes signal generation circuitry and also includes a location on the computing device that is operative to couple a signal generated by the signal generation circuitry into a user. For example, the computing device includes signal generation circuitry that generates a signal that includes information corresponding to a user and/or an application that is operative within the computing device. The signal generation circuitry couples the signal into the user from a location on the computing device based on a bodily portion of the user being in contact with or within sufficient proximity to the location on the computing device that facilitates coupling of the signal into the user. Also, the signal may be coupled via the user to another computing device that includes a touchscreen display that is operative to detect and receive the signal.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: August 29, 2023
    Assignee: SIGMASENSE, LLC.
    Inventors: Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Shayne X. Short, Timothy W. Markison
  • Patent number: 11740749
    Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: August 29, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
  • Patent number: 11740730
    Abstract: An active pen communicates with a sensor controller using a series of time slots, to receive uplink signals from and transmit downlink signals to the sensor controller. The series of time slots are determined based on the reception timing, by the active pen, of an uplink signal used as a reference time. The active pen determines whether or not the uplink signal is received and, if yes, the active pen transmits a first downlink signal using a time within the series of time slots. If no, the active pen transmits a second downlink signal using both a time within the series of time slots and a time outside the series of time slots. The second downlink signal is formed by repeating a unit signal that is shorter in duration than each of the series of time slots, to ensure reception by the sensor controller of at least one unit signal.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: August 29, 2023
    Assignee: Wacom Co., Ltd.
    Inventor: Masayuki Miyamoto
  • Patent number: 11740750
    Abstract: An input sensing circuit includes a base film. A plurality of first sensors are disposed on the base film. A plurality of second sensors are disposed on the base film. An input sensing driver is configured to sense a capacitance value between a first sensor of the plurality of first sensors and a second sensor of the plurality of second sensors. A pressure sensing part is in contact with the first sensor and the second sensor and includes a synthetic resin and a conductive material.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Minsoo Kim
  • Patent number: 11740747
    Abstract: Display device is provided and includes display part including first and second substrates, first and second polarizing plates, display area that includes pixel electrodes, a common electrode and display functional layer each of which is arranged between first and second substrates, display image formed by applying display voltage between pixel electrodes and common electrode in display period, input part including third substrate having back surface facing front surface of display part, detection electrodes formed on back surface of third substrate, and conductive layer provided between back surface of third substrate and front surface of display part, wherein conductive layer overlaps third substrate without through detection electrodes outside display area, and part of detection electrodes is uncovered by conductive layer outside display area.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: August 29, 2023
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Kohei Azumi, Koji Ishizaki, Hideki Kaneko, Tsutomu Harada
  • Patent number: 11740735
    Abstract: An electronic device including: a display layer configured to display images; a sensor layer disposed on the display layer and including a plurality of first electrodes and a plurality of second electrodes; and a sensor driver configured to drive the sensor layer, wherein the sensor driver is configured to sequentially provide a first driving signal to the plurality of first electrodes and, when the display layer displays a predetermined image, the sensor driver is configured to provide a second driving signal having a frequency different from that of the first driving signal to the plurality of first electrodes.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Soongyu Lee
  • Patent number: 11740736
    Abstract: Techniques for implementing and/or operating an electronic device including a display pixel layer, which writes a display image during an active period and continues displaying the display image during a blanking period, and a touch sense layer, which generates a first touch image during the active period and a second touch image during the blanking period. The electronic device further includes a controller that determines a first noise metric indicative of display-to-touch noise resulting during the active period based on the first touch image, determines a second noise metric indicative of display-to-touch noise resulting during the blanking period based on the second touch image, and instructs the touch sense layer to not generate a third touch image during a subsequent active period in response to the first noise metric being greater than a noise threshold and the second noise metric not being greater than the noise threshold.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: August 29, 2023
    Assignee: Apple Inc.
    Inventors: Anshi Liang, He Yi, Yang Xu, Paolo Sacchetto, Jun Li, Jingyu Huang, Marc Joseph DeVincentis, Yue Jack Chu
  • Patent number: 11740701
    Abstract: This application provides a haptics structure and a method for fabricating the same, a touch display panel and a touch display device. The haptics structure includes: a base substrate; a platelike deformer on the base substrate; and a strain gauge structure. The deformer includes a first transparent electrode, a second transparent electrode and an electrostrictive material layer between the first transparent electrode and the second transparent electrode, and the electrostrictive material layer is deformed when a voltage is applied between the first transparent electrode and the second transparent electrode. The strain gauge structure is located on a side of the deformer away from the base substrate, and is configured to measure a deformation amount of the deformer.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: August 29, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Yuju Chen
  • Patent number: 11744133
    Abstract: A display panel includes a plurality of emission areas disposed in a first display area and a second display area at least partially surrounded by the first display area. A transmission area is disposed between two adjacent emission areas in the second display area. An encapsulation layer is disposed on the emission areas. An input sensing layer is disposed on the encapsulation layer and includes touch electrodes. A reflection prevention layer is disposed on the input sensing layer and includes a light blocking layer and a plurality of color filters. The light blocking layer has a plurality of opening portions overlapping the emission areas. The plurality of color filters overlaps the emission areas. Each touch electrode includes a conductive mesh pattern having a plurality of mesh holes, and a particular emission area in the second display area and the transmission area are disposed in a same mesh hole.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeonbum Lee, Seongmin Wang
  • Patent number: 11740710
    Abstract: Systems and methods for capacitive field tuning for detecting touches on objects are disclosed. For example, an identity of an object placed on a touch-sensitive surface is determined and signal impedance characteristics associated with the object are also determined. The signal impedance characteristics may be utilized to determine tuning settings to apply to capacitive sensors such that the capacitive field of the device extends from the touch-sensitive surface to a touch surface of the object.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 29, 2023
    Assignee: Amazon Technologies, Inc.
    Inventors: Martin Aalund, Ali Moayer
  • Patent number: 11744122
    Abstract: A display panel and a display apparatus are provided. The display panel includes a display region and a non-display region surrounding the display region. The non-display region includes a step region, a left border and a right border that are adjacent to the step region, and an upper border arranged opposite to the step region. The left border, the right border, the upper border, and the step region surround the display region. The left border and the right border each include an encapsulation region. The encapsulation region includes a sealant and a reflective metal layer that are at least partially overlapped with each other. The step region includes a ground metal line, and the ground metal line is connected to the reflective metal layer through an electrostatic consumption resistance portion. The electrostatic consumption resistance portion includes a first electrostatic consumption resistance portion located at a gate metal layer.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: August 29, 2023
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Haimin Liu, Zhiyong Xiong, Liujing Fan
  • Patent number: 11740067
    Abstract: A capacitive imaging glove includes electrodes implemented throughout the capacitive imaging glove and drive-sense circuits (DSCs) such that a DSC receives a reference signal generates a signal based thereon. The DSC provides the signal to a first electrode via a single line and simultaneously senses it. Note the signal is coupled from the first electrode to the second electrode via a gap therebetween. The DSC generates a digital signal representative of the electrical characteristic of the first electrode. Processing module(s), when enabled, is/are configured to execute operational instructions (e.g., stored in and/or retrieved from memory) to generate the reference signal, process the digital signal to determine the electrical characteristic of the first electrode, and process the electrical characteristic of the first electrode to determine a distance between the first electrode and the second electrode, and generate capacitive image data representative of a shape of the capacitive imaging glove.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: August 29, 2023
    Assignee: SIGMASENSE, LLC.
    Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Shayne X. Short, Timothy W. Markison
  • Patent number: 11740718
    Abstract: An electronic device includes a display layer comprising emission areas that provide different colored light, respectively, and a non-emission area adjacent thereto. A sensor layer comprises a first sensing insulating layer, a first conductive layer, a second sensing insulating layer, and a second conductive layer and comprising mesh lines extending in first and second directions. The mesh lines comprise a first line extending in the first direction, second and third lines extending in the second direction from opposite sides of the first line, and a fourth line spaced apart from the third line in the first direction and extending in the second direction from the first line. A reinforcing pattern is disposed on inner areas defined by the first line and each of the second to fourth lines, respectively. The reinforcing pattern protrudes from portions of the first to fourth lines that define each inner area of the inner areas.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonjun Choi, Il-Joo Kim, Yeri Jeong
  • Patent number: 11733798
    Abstract: A touch sensing system is provided. The touch sensing system includes a touch panel including touch sensors arranged in a grid along row and column directions; a touch controller including at least one transmission circuit to transmit a signal to the touch sensors and at least one reception circuit to detect a signal from the touch sensors; and a switching circuit to selectively connect each of the touch sensors to the at least one transmission circuit and the at least one reception circuit in accordance with an operation mode. The switching circuit connects each of the touch sensors to the at least one reception circuit in a touch mode and connects a first portion of the touch sensors to the at least one reception circuit and a second portion of the touch sensors to the at least one transmission circuit in a proximity mode.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Minsung Kim, Sanho Byun, Roots Huang, Yao Sheng Liang, Jungmoon Kim, Dongjo Park
  • Patent number: 11737312
    Abstract: A display device includes a display panel; a polarizing film disposed on the display panel; a touch film disposed on the polarizing film; a light control film disposed on the touch film; a barrier film disposed over the polarizing film; and a cover window disposed on the barrier film.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 22, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Jae-Ho Jung