Patents Examined by Benjamin C. Lee
  • Patent number: 11069301
    Abstract: A display device can include a gate driver configured to drive gate lines of a panel; a data driver configured to drive data lines of the panel; a timing controller configured to control operations of the gate driver and the data driver; and a level shifter integrated circuit (IC) configured to receive a plurality of control signals from the timing controller, and generate and output a plurality gate control signals for controlling driving of the gate driver, in which the plurality of control signals include an on clock and an off clock, and the level shifter IC stores the on clock and the off clock in buffers based on one or more control signals from the timing controller, generates a plurality of scan clocks by logically processing the on clock and the off clock, and outputs the plurality of scan clocks to the gate driver.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 20, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soon-Dong Cho, Jung-Jae Kim, Sang-Uk Lee, Hyung-Jin Choe
  • Patent number: 11061520
    Abstract: A system and method for increasing the proximity sensing distance of a touch and proximity sensitive touch sensor to thereby enable greater distance of detectability of a user in a proximity sensing mode of a touch sensor by driving a time varying voltage or drive signal onto a user who is also holding a touch sensor with at least one hand, and then sensing the drive signal from the user's fingers or thumb on sense electrodes that are on the touch sensor when the fingers are within a proximity sensing distance of sense electrodes in the touch sensor.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 13, 2021
    Assignee: Cirque Corporation
    Inventors: Jared G. Bytheway, David C. Taylor, Jon Alan Bertrand
  • Patent number: 11009994
    Abstract: Disclosed are systems and methods for decreasing latency between an acquisition of touch data and processing of an associated rendering task in a touch sensitive device having a touch sensing system capable of producing touch data at a touch sampling rate and having a display system that displays frames at a refresh rate. In an embodiment, the system estimates at least one of (a) a period of time for sampling touch data from the touch sensing system, (b) a period of time for computing touch event data from sampled touch data, and (c) a period of time for rendering of a frame to a frame buffer. The system determines a period of time Tc for (a) sampling touch data from the touch sensing system, (b) computing touch event data from sampled touch data, and (c) rendering of a frame to a frame buffer, based at least in part on the estimate. The system determines a point in time Tr at which the display system will be refreshed from the frame buffer.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: May 18, 2021
    Assignee: Tactual Labs Co.
    Inventors: Bruno Rodrigues De Araujo, Clifton Forlines, Ricardo Jorge Jota Costa
  • Patent number: 10996770
    Abstract: Disclosed are computer peripheral interface devices (such as computer mice) that include a wheel member configured to rotate around an axis in a plurality of modes, where each of the plurality of modes corresponds to a respective unique friction profile. The plurality of operation modes includes a freewheel mode and at least two additional modes. The at least two additional modes includes two or more different ratchet modes, two or more different constant friction modes, or at least one constant friction mode and at least one ratchet mode. The interface device also includes an actuator assembly configured to set the wheel member to each of the plurality of operation modes.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: May 4, 2021
    Inventors: Padraig McLoughlin, Arnaud Perret-Gentil, Nuno Miguel Pereira dos Anjos Valverde, Jan Stoeckli, Lars Lauridsen, Jean-Claude Dunant
  • Patent number: 10997901
    Abstract: A method of recovering a display having a plurality of pixels, each having a light emitting device and a driving transistor for driving the light emitting device. The driving transistor and the light emitting device are coupled in series between a first power supply and a second power supply. The method illuminates the semiconductor device while negatively biasing the pixel circuit with a recovery voltage different from an image programming voltage. The illuminating may follow a first cycle implementing an image display operation that includes programming the pixel circuit for a valid image and driving the pixel circuit to emit light according to the programming.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: May 4, 2021
    Assignee: Ignis Innovation Inc.
    Inventors: Arokia Nathan, Gholamreza Chaji, Joseph Marcel Dionne
  • Patent number: 10990215
    Abstract: The present disclosure is applied to touch technology, and provides an integrating circuit. The integrating circuit comprises an impedance unit, an amplifier, an integration capacitor, a discharge capacitor, a first switch and a second switch. The amplifier comprises a first input terminal, a second input terminal and an output terminal configured to output an output signal; the integration capacitor is coupled between the first input terminal and the output terminal; the first switch is coupled between the first input terminal of the amplifier and the second terminal of the discharge capacitor; and the second switch is coupled between the first terminal and the second terminal of the discharge capacitor.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: April 27, 2021
    Assignee: Shenzhen Goodix Technology Co., Ltd.
    Inventors: Ya-Nan Wen, Fu-Chiang Yang, Yingsi Liang
  • Patent number: 10984717
    Abstract: An organic light-emitting display device includes a plurality of pixels, each of which is connected to a scan line, a data line, a first power line and a second power line, and includes a light-emitting diode. A voltage applied to an anode of the light-emitting diode is higher than a voltage applied to a cathode in a first operation period, and a voltage applied to the anode of the light-emitting diode is lower than a voltage applied to the cathode in at least a part of a second operation period different from the first operation period.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Wook Lee
  • Patent number: 10976820
    Abstract: Methods and devices for providing a haptic responses to a haptic feedback device may include receiving, by an application providing a virtual environment executing on a computer device, physical movement input based at least on movement of the haptic feedback device that corresponds to a virtual movement interaction with a virtual object in the virtual environment. The methods and devices may include accessing a haptic signature associated with the virtual object. The methods and devices may include determining a haptic response based at least upon the haptic signature to identify the virtual object through the haptic response. The methods and devices may include transmitting the haptic response to the haptic feedback device.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: April 13, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Priya Ganadas, Kenneth Liam Kiemele, Christian Michael Sadak, Adolfo Hernandez Santisteban, Scott Christopher Speirs
  • Patent number: 10963208
    Abstract: An electronic device and a method for operating an electronic device are disclosed. The electronic device may comprise: a communication interface for receiving a first image from a first external electronic device and receiving a second image from a second external electronic device; a display for displaying the first image in a first area and the second image in a second area, and a processor for determining a bit rate of the first image on the basis of the size of the first area, determining a bit rate of the second image on the basis of the size of the second area, transmitting information on the bit rate of the first image to the first external electronic device via the communication interface, and transmitting information on the bit rate of the second image to the second external electronic device.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Chul Jeon, Hyun-Jun Ko
  • Patent number: 10957268
    Abstract: An active-matrix substrate according to an embodiment of the present invention includes a plurality of first TFTs that are arranged within a display area, an inorganic insulating layer that covers the plurality of first TFTs, an organic insulating layer that is provided on the inorganic insulating layer, a plurality of second TFTs that are arranged within a non-display area, and a source and gate metal connection portion that is positioned within the non-display area, a first conductive layer that is formed from an identical conductive film with a gate wiring line and a second conductive layer that is formed from an identical conductive film with a source wiring line being connected to each other at the source and gate metal connection portion. Each of the plurality of first TFTs is an oxide semiconductor TFT. At least one second TFT among the plurality of second TFTs is covered with the organic insulating layer. The source and gate metal connection portion is not covered with the organic insulating layer.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: March 23, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tetsuo Kikuchi, Hajime Imai, Takashi Terauchi, Shinya Ohira, Isao Ogasawara, Satoshi Horiuchi
  • Patent number: 10930232
    Abstract: The present application discloses a method for color shift compensation based on an abnormal image detection and a display device, including storing inputted n numbers of sub-pixel values in a row storage space; judging every spaced two of the sub-pixel values whether are the same or not; initiating a color shift compensation if the spaced two of the sub-pixel values being different; judging every adjacent two of the sub-pixel values whether are different if every spaced two of the sub-pixel values are the same; judging every one of the sub-pixel values in a current row storage space whether is different from a sub-pixel value in a previous row storage space corresponding to the sub-pixel value in the current row storage space; doing not initiate a color shift compensation if every one of the sub-pixel values in the current row storage space is different from that in the previous row.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: February 23, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dekang Zeng
  • Patent number: 10891898
    Abstract: The invention discloses a pixel circuit for top-emitting AMOLED panel and driving method thereof. The pixel circuit comprises: first TFT (T1), connected to first node(G), second node(S) and third node(D); second TFT(T2), connected to scan signal(Scan), first node(G) and data signal(Data1); third TFT(T3), connected to scan signal(Scan), second node(S) and reference voltage(Ref); fourth TFT(T4), connected to scan signal(Scan), third node(D) and high voltage power source(Data2); first capacitor(Cst), connected to first node(G) and second node(S); second capacitor(C), connected respectively to third node(D) and reference voltage(Ref); OLED, connected to second node(S) and low voltage power source(VSS); the voltage difference between high voltage power source(Data2) and low voltage power source(VSS) maintaining unchanged. The invention also provides a corresponding driving method. The invention can effectively relieve the IR voltage drop caused by increased impendence of the transparent cathode.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: January 12, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Baixiang Han
  • Patent number: 10861394
    Abstract: A gate driving circuit and a light emitting display apparatus including the same has a simplified circuit that outputs a stable emission control signal. The gate driving circuit includes an emission control shift register including a plurality of emission control stages that each respectively supply an emission control signal to one of a plurality of emission control lines, each emission control line connected to at least one pixel of a plurality of pixels in a light emitting display panel. For an emission control line, when at least one of first input signal and the second input signal has a first voltage level, an emission control stage outputs the emission control signal having a gate-off voltage level, and when both of the first input signal and the second input signal have a second voltage level, the corresponding emission control signal has a gate-on voltage level.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 8, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: YongHo Jang
  • Patent number: 10831032
    Abstract: Techniques are provided to re-arrange the placement of a photodiode within an illumination system to achieve improved characteristics and reduced form factor. An illumination system includes a laser assembly, a MEMS mirror system, a beam combiner, and a photodiode. The laser assembly includes RGB lasers, and the MEMS mirror system redirects laser light produced by the RGB lasers to illuminate pixels in an image frame. The beam combiner combines the laser light. The photodiode is provided to determine a power output of the laser assembly by receiving and measuring some of the laser light. The photodiode may be beneficially positioned before or after collimating optics and/or the beam combiner.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: November 10, 2020
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Raymond Kirk Price, Rachel N. Ulanch, Joshua Owen Miller
  • Patent number: 10824277
    Abstract: An electrical device providing audible and haptic communication with its user includes a touch screen, an array of piezoelectric elements, a memory, and a processor. The touch screen is divided into touch regions and each touch region carries one piezoelectric element. When receiving touch inputs from a user, the processor uses data and programs stored in the memory to (1) determine which touch region the touch input is located in, (2) determine which piezoelectric element corresponds to the determined touch region, and (3) vibrate the determined piezoelectric element at a predetermined frequency. The electrical device can output sound by (1) obtaining a signal of the sound to be output and (2) vibrating the piezoelectric element, or more than one at different predetermined frequencies, to output an audible sound.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: November 3, 2020
    Assignee: Chiun Mai Communcation Systems, Inc.
    Inventors: Sheng-Hsiung Tsai, Ching-Ming Hung
  • Patent number: 10818256
    Abstract: In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a batch mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: October 27, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Seiko Amano, Hiroyuki Miyake
  • Patent number: 10802544
    Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yeon Kwak, Kyung-a Kang, Hyun-jin Kim, Nipun Kumar, Chang-soo Lee
  • Patent number: 10761640
    Abstract: According to one embodiment, a display device includes first electrodes overlapping a display area, a cover base covering the display area and a frame area, a second electrode arranged in the cover base and overlapping the frame area, a touch detection driver configured to output a drive signal to the second electrode, and a level shifter arranged between the second electrode and the touch detection driver, and configured to increase a signal level of the drive signal and output the drive signal having the increased signal level to the second electrode. The touch detection driver is configured to detect contact or proximity to an object with the frame area based on electrostatic capacitance between the first electrodes and the second electrode.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: September 1, 2020
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Teranishi, Takafumi Suzuki, Michita Kudo
  • Patent number: 10761612
    Abstract: In one or more implementations, a static geometry model is generated, from one or more images of a physical environment captured using a camera, using one or more static objects to model corresponding one or more objects in the physical environment. Interaction of a dynamic object with at least one of the static objects is identified by analyzing at least one image and a gesture is recognized from the identified interaction of the dynamic object with the at least one of the static objects to initiate an operation of the computing device.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: September 1, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: David Kim, Otmar D. Hilliges, Shahram Izadi, Patrick L. Olivier, Jamie Daniel Joseph Shotton, Pushmeet Kohli, David G. Molyneaux, Stephen E. Hodges, Andrew W. Fitzgibbon
  • Patent number: 10761570
    Abstract: An electronic device may have a hollow display cover structure. The hollow display cover structure may be formed from a structure having an inner surface. The structure may be an elongated member having a longitudinal axis. A material such as sapphire, other crystalline materials, or other transparent materials may be used in forming the hollow display cover structure. A flexible display layer such as an organic light-emitting diode display layer or other flexible display structure may be wrapped around the longitudinal axis to cover the interior surface of the hollow display cover structure. The electronic device may have a touch sensor, accelerometer, gyroscope, and other sensors for gathering input such as user input. The electronic device may use one or more sensors to gather information on rotational motion of the device and can display content on the flexible display layer accordingly.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: September 1, 2020
    Assignee: Apple Inc.
    Inventors: Scott A. Myers, Derek Wright, Fletcher R. Rothkopf