Patents Examined by Ricardo Osorio
  • Display device including touch sensor
    Patent number: 10845935
    Abstract: A display device includes a display panel including pixels, an active area on which an image is configured to be displayed, and a black matrix area on which an image is not configured to be displayed, touch sensor electrodes configured to detect a touch of an external object, the touch sensor electrodes disposed in the active area, and detection input electrodes configured to generate mutual capacitance with the touch sensor electrodes, the detection input electrodes disposed in an edge area of the display panel that overlaps the black matrix area.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Ho Lee, Seung-Hee Lee, Seoung Bum Pyoun, Young-Jin Kim
  • Method for signal transmission, method for signal reception and apparatuses
    Patent number: 10838522
    Abstract: The present application provides a method and apparatus for signal transmission, and a method and apparatus for signal reception, where the method for signal transmission is applied to an active stylus, including: phase encoding information to be transmitted using a preset phase signal, to obtain an encoded signal; and transmitting a stylus tip signal, where the stylus tip signal comprises the encoded signal. The present application can increase amount of information transmitted between the active stylus and a touch control screen in a limited duration.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: November 17, 2020
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Hong Jiang, Guanjun Zhang
  • Input sensing device and display device including the same
    Patent number: 10831329
    Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction. A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 10, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Hui Kim, Hyung Chul Kim, A Ra Jo
  • User interface systems for head-worn computers
    Patent number: 10824253
    Abstract: Aspects of the present disclosure relates to user interface systems and methods for use in head-worn computing systems.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: November 3, 2020
    Assignee: Mentor Acquisition One, LLC
    Inventor: Ralph F. Osterhout
  • Deactivating a display of a smart display device based on a sound-based mechanism
    Patent number: 10817246
    Abstract: A signal corresponding to sound associated with the smart display device is received from a sound capture device. A machine learning model analyzes characteristics of the signal received from the sound capture device to determine whether to deactivate a display of the smart display device. In response to determining to deactivate the display of the smart display device based on the analysis, the display of the smart display device is deactivated.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: October 27, 2020
    Assignee: BAIDU USA LLC
    Inventor: Xuchen Yao
  • Robust convergence signal
    Patent number: 10809800
    Abstract: A method and a corresponding eye tracking system for providing an approximate gaze convergence distance of a user in an eye tracking system are disclosed. The method comprises determining calibration data in relation to interpupillary distance between a pupil of a left eye and a pupil of a right eye of a user, determining, based on the determined calibration data, a gaze convergence function providing an approximate gaze convergence distance of the user based on a determined interpupillary distance of the user. The method further comprises receiving, from one or more imaging devices, one or more images of the left eye and the right eye of the user, determining a current interpupillary distance of the user based on the one or more images and determining a current approximate gaze convergence distance based on the current interpupillary distance and the gaze convergence function.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 20, 2020
    Assignee: Tobii AB
    Inventors: Andreas Klingström, Per Fogelström
  • Phase locked multi-display synchronization
    Patent number: 10789911
    Abstract: Systems, apparatuses, and methods are described herein for phase locked multi-display synchronization. In a slave display device, a first tearing effect signal is received that indicates rendering of a first image frame portion of a first image frame by a master display device has at least been initiated. In response to receiving the first tearing effect signal, a second image frame portion of a first image frame is retrieved from a frame buffer and is rendered to a display screen of a slave display device. In response to rendering the retrieved second image frame portion, a second tearing effect signal is generated for receipt by a host device to trigger the host device to transmit a second image frame portion of a second image frame to the slave display device.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 29, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Wenfeng Liu, Kari Jussi Ropo
  • Cursor control system and control method thereof
    Patent number: 10775909
    Abstract: A cursor control system including a plurality of electronic devices is provided. Each of the electronic devices includes a display screen to display a data frame and a cursor. The cursor control system includes a first electronic device, a second electronic device, a mouse and a displacement detection unit. The mouse controls a movement and a direction of the cursor on the first electronic device or the second electronic device. The data frame is dragged to another position or into another data frame on the display screen when the data frame is clicked by the mouse. The displacement detection unit detects whether the cursor moves to a boundary of the first electronic device or a boundary of the second electronic device. The displacement detection unit detects whether the data frame moves to the boundary of the first electronic device or the boundary of the second electronic device.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 15, 2020
    Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATION
    Inventors: Ho-Lung Lu, Yuan-Jung Chang
  • Display device and vehicle head-up display apparatus
    Patent number: 10768417
    Abstract: A display device and a vehicle head-up display apparatus of the present disclosure include a substrate, light source devices, a transmission-type display panel, and an illumination optical system. The light source devices are disposed on the substrate. The illumination optical system guides illumination light from the light source devices to the display panel. The illumination optical system includes a first reflector, a quarter-wave plate, and a reflective polarizer. The first reflector is disposed at a different position on the substrate than the light source devices. The quarter-wave plate is disposed between the first reflector and the display panel. The reflective polarizer is disposed between the quarter-wave plate and the display panel.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: September 8, 2020
    Assignee: KYOCERA Corporation
    Inventors: Kaoru Kusafuka, Yusuke Hayashi, Satoshi Kawaji
  • Haptic feedback device and method for providing haptic sensation based on video
    Patent number: 10754429
    Abstract: A haptic feedback device for providing haptic sensation comprises a haptic feedback interface that includes a plurality of haptic elements. The haptic feedback device detects a plurality of different motion associated with a plurality of objects in an upcoming scene of a video based on a look-ahead buffer of the video played on an external display device or the haptic feedback device. A haptic feedback is determined for the upcoming scene of the video based on the look-ahead buffer of the video and the detected plurality of different motion associated with the plurality of objects. One or more movable haptic cues are generated on the haptic feedback interface using the plurality of haptic elements in synchronization with a current scene played on the external display device or the haptic feedback device, based on the determined haptic feedback.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: August 25, 2020
    Inventor: Alex Hamid Mani
  • Active shield portion serving as serial keypad
    Patent number: 10740499
    Abstract: An apparatus includes an electronic circuit, a keypad and an active-shield layer. The keypad includes one or more keys for entering data to the electronic circuit by a user. The active-shield layer is placed between the electronic circuit and the keypad, and includes one or more electrical conductors laid in a pattern that shields at least a portion of the electronic circuit. In a specified region, the one or more electrical conductors of the active-shield layer are shaped to form contacts for sensing the one or more keys.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 11, 2020
    Assignee: NUVOTON TECHNOLOGY CORPORATION
    Inventor: Ziv Hershman
  • Touch sensor
    Patent number: 10725569
    Abstract: An improved touch sensor comprising a difference in optical characteristics between an electrode region where the transparent electrode is formed and an inter-electrode region where the transparent electrode is not formed, resulting in the prevention of a transparent electrode from being visible to a user. The improved touch sensor further results in the prevention of a reduction in light transmittance caused by the transparent electrode and the prevention a reduction in optical quality due to a moiré phenomenon.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 28, 2020
    Assignee: Dongwoo Fine-Chem Co., Ltd.
    Inventors: Do Hyoung Kwon, Han Tae Ryu, Jun Gu Lee
  • Display driver, electro-optical device, and electronic apparatus
    Patent number: 10713992
    Abstract: A display driver includes a first D/A converter circuit configured to output a gradation voltage corresponding to upper-bit data of display data, a second D/A converter circuit configured to output a reference voltage corresponding to lower-bit data of the display data, and an inverting amplifier circuit configured to amplify the gradation voltage with reference to the reference voltage, and to drive a data line of an electro-optical panel. The second D/A converter circuit includes a first resistor provided between a node of a high potential-side power source and an output node of the reference voltage, a second resistor provided between the output node and a first node, a reference voltage ladder resistance circuit provided between the first node and a node of a low potential-side power source, and a switch circuit.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: July 14, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Akira Morita
  • Device operational control systems and methods
    Patent number: 10705731
    Abstract: A device operational control system is configured to control operation of a device. The device operational control system includes a motion sensor that is configured to detect motion. The motion sensor is configured to output a motion signal indicative of the motion. An operational control unit is communicatively coupled to the motion sensor. The operational control unit is configured to receive the motion signal from the motion sensor and control at least one operational aspect of the device based on the motion.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: July 7, 2020
    Assignee: THE BOEING COMPANY
    Inventor: Brian David Gilbert
  • Luminance adjustment device, display device and luminance adjustment method
    Patent number: 10699656
    Abstract: A luminance adjustment device is configured to adjust the luminance of a light source of a display by controlling a drive value of the light source of the display. The luminance adjustment device is configured to calculate the luminance corresponding to the used time of the light source according to a predetermined luminance characteristic, to calculate the drive value according to the luminance, to correct and add up the used time of the light source using a cubic value of the drive value, to correct the luminance according to the predetermined luminance characteristic based on a total used time, and to thereby correct the drive value.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 30, 2020
    Assignee: NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Katsuyuki Matsui
  • Display apparatus
    Patent number: 10692417
    Abstract: A display apparatus including an OLED (organic light-emitting device) substrate having a structure in which at least one blue light-emitting unit and at least one green light-emitting unit are stacked, wherein the OLED substrate generates a mixed light of a blue light and a green light; and a color controller provided on the OLED substrate to adjust color of a light generated from the OLED substrate. The color controller includes a first color control element having a plurality of first quantum dots for green conversion; a second color control element having plurality of second quantum dots for red conversion; a third color control element for presenting a blue color; a first color filter provided on the first color control element; and a second color filter provided on the second color control element.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONIC CO., LTD.
    Inventors: Sangyoon Lee, Sunghun Lee, Shinae Jun, Chilhee Chung, Byoungki Choi, Intaek Han
  • User interface systems for head-worn computers
    Patent number: 10684478
    Abstract: Aspects of the present disclosure relates to user interface systems and methods for use in head-worn computing systems.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: June 16, 2020
    Assignee: Mentor Acquisition One, LLC
    Inventor: Ralph F. Osterhout
  • Display device and electronic device
    Patent number: 10680191
    Abstract: A display device includes: an array substrate having a flexible substrate and a pixel circuit over the flexible substrate; a first supporting film under the array substrate; a second supporting film over the array substrate; and a member under the first supporting film with an adhesive layer sandwiched therebetween. The member includes a first film and a second film having a different thermal expansion coefficient respectively. The first film and the second film are respectively a first metal film containing a metal film and a second metal film containing a second metal, and the first metal and the second film are independently selected from copper, nickel, zinc, manganese, iron, cobalt, aluminum, tin, lead, and silver.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: June 9, 2020
    Assignee: Japan Display Inc.
    Inventor: Takashi Sasabayashi
  • Touch sensor system and multiplexer thereof
    Patent number: 10678369
    Abstract: A touch sensor system includes a touch panel, at least one multiplexer and a touch controller. The touch panel includes one or more touch sensing areas. The at least one multiplexer is coupled to the one or more touch sensing areas through one or more connecting wire groups on the touch panel, wherein each of the connecting wire groups includes one or more connecting wires. The touch controller is coupled to the at least one multiplexer via one or more touch control wires and one or more touch sensing wires. Each of the at least one multiplexer includes one or more switch groups each coupled between one of the one or more touch sensing wires and one of the connecting wire groups, and each of the switch groups includes one or more switches respectively controlled by one or more control signals transmitted through the one or more touch control wires.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 9, 2020
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chih-Chang Lai, Chih-Yuan Chang
  • Electronic paper display and method for driving electronic paper display panel
    Patent number: 10679571
    Abstract: An electronic paper display including an electronic paper display panel and a driver circuit is provided. The electronic paper display panel includes a plurality of pixels. The driver circuit is coupled to the electronic paper display panel. The driver circuit drives a target pixel of the pixels to display a color by using a driving signal. The driving signal includes a reset period, an interleaving period, and a display period. A voltage of the driving signal is zero during the interleaving period. In addition, a method for driving an electronic paper display panel is also provided.
    Type: Grant
    Filed: February 11, 2018
    Date of Patent: June 9, 2020
    Assignee: E Ink Holdings Inc.
    Inventors: Chen-Kai Chiu, Hsin-I Wu, Feng-Shou Lin