Patents Examined by Hong Zhou
  • Patent number: 11604542
    Abstract: In a display system, a display device includes a plurality of gate lines, a plurality of source lines and a plurality of common electrodes used for both image display and touch detection. A first acquirer acquires a specific frequency to be avoided. A second acquirer acquires a frequency of a control signal used to control the display device. When the specific frequency and the frequency of the control signal satisfy a changing condition, a changing unit changes the frequency of the control signal.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: March 14, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Atsushi Hirai
  • Patent number: 11604528
    Abstract: A display device includes: a panel including a display region and a touch region; and a circuit board, and including a first conductive layer, a second conductive layer and a first insulating layer between the first conductive layer and the second conductive layer. The circuit board includes: a plurality of data lines electrically connected with a plurality of data signal lines; a plurality of touch lines electrically connected with a plurality of touch electrodes; and a first ground line disposed between at least two or more of the plurality of data lines and the plurality of touch lines. The first ground line includes a first part of the first conductive layer, a first part of the second conductive layer, and a first via passing through the first insulating layer and connecting the first part of the first conductive layer with the first part of the second conductive layer.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hee Lee, Hyo Chul Lee
  • Patent number: 11592941
    Abstract: Electronic equipment includes a pressed body as either a housing or a display, a pressure-sensitive sensor, a support configured to support the pressure-sensitive sensor such that the pressure-sensitive sensor is opposed to the pressed body, and a filler provided between the pressed body and the pressure-sensitive sensor. The filler has a thickness that changes with distance between the pressed body and the pressure-sensitive sensor.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 28, 2023
    Assignee: SONY CORPORATION
    Inventors: Akira Ebisui, Ken Kobayashi, Hayato Hasegawa, Yoshiaki Sakakura, Manami Miyawaki
  • Patent number: 11594200
    Abstract: This disclosure relates to techniques for a driving apparatus including a reordering circuit and a source driving circuit. The reordering circuit can be configured to reorder a plurality of sub-pixel data of an input data string to generate a reordered data string so as to reduce a color switching number associated with a target data line. The source driving circuit can be coupled to the reordering circuit to receive the reordered data string. The source driving circuit can be configured to drive the target data line of a display panel according to the reordered data string.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 28, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Hung-Hsiang Chen, Tso-Hua Chien, Huang-Chin Tang
  • Patent number: 11586288
    Abstract: A controller for sensing interior motion includes a sensor structure having transmitting conductors and receiving conductors. The controller comprises circuitry to drive and sense signals on interacting pairs of conductors (the transmitting conductor or receiving conductor can act as the drive side, or as the sense side). Signals are processed to analyze changes in measured signal and analyzed to determine interior movement. When the controller is deployed proximate to human skin, movement of muscles, tendons and bones within the skin are reflected in the measured signals.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: February 21, 2023
    Assignee: Meta Platforms Technologies, LLC
    Inventor: David Holman
  • Patent number: 11579728
    Abstract: A touch display device of the present disclosure may include a display panel on which a plurality of touch electrodes are electrically connected to a plurality of touch lines; a gate driving circuit for supplying scan signals to the display panel through a plurality of gate lines; a touch driving circuit for sensing a touch by detecting a touch signal from the plurality of touch electrodes and supplying a common voltage to the touch electrodes through the touch lines; a common voltage feedback line electrically connected to the plurality of touch lines or disposed to overlap with the plurality of gate lines in a non-display area of the display panel; and a common voltage compensation circuit for supplying a compensated common voltage based on a distortion in the common voltage.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: February 14, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jinseong Kim, JuHan Kim, Haewon Lee
  • Patent number: 11580917
    Abstract: A light source apparatus includes a plurality of light source gate lines extending in a first direction, a plurality of light source data lines extending in a second direction crossing the first direction, a plurality of light source emission lines, a plurality of feedback lines and a plurality of light source blocks. At least one of the light source blocks is connected to the light source gate line, the light source data line, the light source emission line and the feedback line.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihyun Pyun, Moonshik Kang, Dae-Sik Lee, Jun Pyo Lee, Min-Soo Choi, Songyi Han
  • Patent number: 11568815
    Abstract: The present disclosure provides a pixel driving circuit, a manufacturing method thereof, and a display device. In the pixel driving circuit, a first terminal of a coupling sub-circuit is electrically connected to a control terminal of a driving sub-circuit; a second compensation sub-circuit is electrically connected to a first control terminal, a second terminal of the coupling sub-circuit and a first level signal input terminal, respectively; the pixel driving circuit is configured to control the connection or disconnection between the second terminal of the coupling sub-circuit and the first level signal input terminal under the control of the first control terminal.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: January 31, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang Yu, Zheng Liu
  • Patent number: 11561647
    Abstract: A touch sensor panel is disclosed. In some examples, the touch sensor panel comprises a plurality of touch node electrodes. In some examples, the touch sensor panel comprises a touch controller configured to drive and sense the plurality of touch node electrodes in a fully bootstrapped configuration to obtain a fully bootstrapped touch image, drive and sense the plurality of touch node electrodes in a second configuration, different from the fully bootstrapped configuration, to obtain a second touch image, the second touch image including an effect of water on the touch sensor panel, and determine a final touch image based on the fully bootstrapped touch image and the second touch image, the final touch image not including the effect of the water on the touch sensor panel. In some examples, the second configuration comprises a mutual capacitance configuration. In some examples, the second configuration comprises a partially bootstrapped configuration.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: January 24, 2023
    Assignee: Apple Inc.
    Inventors: Yingxuan Li, Weijun Yao, Vivek Pant, Martin Paul Grunthaner, Marduke Yousefpor, Sumant Ranganathan
  • Patent number: 11561661
    Abstract: A transform is used to transform raw sensor data from the time domain to the frequency or sequency domain. The transformed data falls into several signal bins. The transformed data in at least one of the signal bins is analyzed to determine whether a touch event or release event has occurred.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: January 24, 2023
    Assignee: TOUCHSENSOR TECHNOLOGIES, LLC
    Inventor: James W. Citta
  • Patent number: 11556245
    Abstract: There is provided an information processing device including a detection unit for detecting a state of a manipulating body in a manipulation area, a state judgment unit for judging whether the manipulating body is in an input state in which a given input manipulation process is executed according to input information input by the manipulating body or in a standby state in which the input manipulation process is not executed, based on the detection result of the detection unit, and an execution process determination unit for determining a process to be executed from a plurality of processes including the input manipulation process based on the state judged by the state judgment unit or a change of the state.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: January 17, 2023
    Assignee: SONY CORPORATION
    Inventors: Yusuke Miyazawa, Ikuo Yamano, Fuminori Homma
  • Patent number: 11556210
    Abstract: The present disclosure relates to a technology for supplying an auxiliary signal to a panel, which allows maximizing an effect of removing parasitic capacitances by correcting an auxiliary signal such that characteristics of the auxiliary signal conform with those of a touch driving signal.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: January 17, 2023
    Assignee: LX Semicon Co., Ltd.
    Inventors: Chan Ho Chun, Dong Min Won, Ho Jin Kang
  • Patent number: 11543914
    Abstract: An input sensing device includes driving electrodes and sensing electrodes, and an analog front-end which processes sensing signals from the sensing electrodes to output a differential output value. The analog front-end includes a first charge amplifier which differentially amplifies first and second sensing signals from two sensing electrodes to first and second input terminals, thus outputting first and second differential signals through first and second output terminals, a second charge amplifier which differentially amplifies the first and second differential signals, thus outputting third and fourth differential signals, a first demodulation circuit which filters the first and second differential signals in a first mode and filters each of the third and fourth differential signals in a second mode, and a first analog-to-digital converter which outputs a first sensing value based on at least one output signal of the first demodulation circuit.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon Hyop Lee, Jang Hui Kim, Jae Won Kim, In Nam Lee
  • Patent number: 11543915
    Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 3, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhaohui Meng, Wei Sun, Lin Cong
  • Patent number: 11545087
    Abstract: A display device including: a plurality of sub-pixels arranged in a matrix, each including an electro-optical element having a structure in which a display functional layer is sandwiched between an upper electrode and a lower electrode; and an auxiliary interconnect contact in a pixel area in which the plurality of sub-pixels are arranged in a matrix and electrically connecting the upper electrode to an auxiliary interconnect, wherein m (m is an integer equal to or larger than two) sub-pixels adjacent to each other along an arrangement direction of the sub-pixels are regarded as one group, and n (n is a natural number smaller than m) auxiliary interconnect contacts are formed for each group.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: January 3, 2023
    Assignee: SONY CORPORATION
    Inventors: Junichi Yamashita, Katsuhide Uchino
  • Patent number: 11520436
    Abstract: A correction unit for use in a sensor system, the sensor system comprising a force sensor configured to output a sensor signal indicative of a temporary mechanical distortion of a material under an applied force, the correction unit configured, based on the sensor signal, to: estimate an effect of the applied force on how the material will return towards an undistorted form upon a substantial reduction or removal of the applied force; and generate a corrected signal based on the estimation.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: December 6, 2022
    Assignee: Cirrus Logic, Inc.
    Inventors: Josh Sanz-Robinson, Siddharth Maru, Tejasvi Das
  • Patent number: 11520151
    Abstract: An optical device includes variable optical material that alters at least one of: incident ambient light, spectral content of incident ambient light or direction of incident ambient light through the optical device in response to a stimulus provided by the device. The device can sense intensity and/or spectral characteristics of ambient light and provide appropriate stimulus to various portions of the optical device to activate the variable optical material and alter at least one of: incident ambient light, spectral content of incident ambient light or direction of incident ambient light.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: December 6, 2022
    Assignee: Magic Leap, Inc.
    Inventors: Eric Baerenrodt, Nastasja U. Robaina, Nicole Elizabeth Samec, Christopher M. Harrises, Mark Baerenrodt
  • Patent number: 11513639
    Abstract: An input detection system includes a plurality of drive electrodes and a plurality of detection electrodes aligned in a detection region, an input device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to another end side of the LC circuit, the input support device being disposed on the detection region, and a control circuit configured to detect the input support device based on detection signals that are output from the detection electrodes.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: November 29, 2022
    Assignee: Japan Display Inc.
    Inventors: Takaaki Kono, Yuto Kakinoki, Makoto Hayashi
  • Patent number: 11507230
    Abstract: Disclosed herein are a hybrid sensor and a method of operating the same. The hybrid sensor includes: a first sensing element located on the outer side of the hybrid sensor; a second sensing element disposed to face the first sensing element; a deformable intermediate part disposed between the first sensing element and the second sensing element; a first resonant circuit electrically connected to the second sensing element; a second resonant circuit; and a detection circuit configured to receive a first electrical signal formed in the first resonant circuit and the second sensing element, and a second electrical signal formed in the second resonant circuit. The detection circuit generates sensing information. It is determined whether the sensing information is caused based on the displacement of the first sensing element attributable to a user motion.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: November 22, 2022
    Assignee: DAMOATECH CO., LTD.
    Inventor: Hu Min Jung
  • Patent number: 11507212
    Abstract: A display device includes a switching element that switches, based on data held by a memory circuit, between a state in which a pixel electrode and a first wiring line are connected to each other and a state in which the pixel electrode and a second wiring line are connected to each other, a power source circuit for white color that supplies a first signal having the opposite phase to a phase of a drive signal, to the first wiring line provided at a pixel in which a Tx electrode is disposed, and a power source circuit for black color that supplies, to the second wiring line, a second signal having the same phase as the phase of the drive signal.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: November 22, 2022
    Assignee: Sharp Display Technology Corporation
    Inventors: Kazutoshi Kida, Yasuhiro Sugita