Patents Examined by Maheen I Javed
  • Patent number: 11011127
    Abstract: A display apparatus includes a substrate having a display area for displaying an image and a non-display area surrounding the display area; a first clock line portion in the non-display area, the first clock line portion having a plurality of gate shift clock lines; a second clock line portion in the non-display area between the first clock line portion and the display area, the second clock line portion having a gate start signal line; and a gate driving built-in circuit in the non-display area between the first clock line portion and the second clock line portion, and connected with the plurality of gate shift clock lines and the gate start signal line.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 18, 2021
    Assignee: LG Display Co., Ltd.
    Inventor: Taehwi Kim
  • Patent number: 11003226
    Abstract: A touchscreen display may include display chassis, a touchscreen sensor, and filters. The touchscreen sensor may include row conductors and column conductors spanning a display surface. Each of the filters may be coupled to one of the row conductors or the column conductors such that the row conductors and the column conductors are coupled to the filters. Each of the filters may be grounded to the display chassis. Each of the plurality of filters may be configured to allow a touchscreen sensor frequency band of interest to pass through said filter such that the touchscreen sensor is configured to detect touches. Each of the filters may be configured to filter out electromagnetic interference (EMI) on frequencies other than the touchscreen sensor frequency band of interest and to ground the EMI to the display chassis. The touchscreen sensor and the filters may form an EMI shield across the display surface.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: May 11, 2021
    Assignee: Rockwell Collins, Inc.
    Inventors: Todd M. Brown, Jeremy D. Iverson
  • Patent number: 11004392
    Abstract: A method for driving a display device includes stopping a display operation of a display based on a presence or absence of a signal indicating an off operation of a main power switch of the display. The method further includes applying a recovery voltage across a gate and source of a driving transistor in the display based on a threshold voltage shift of the driving transistor. The threshold voltage shift is determined during a stopped state of the display operation of the display. The stopped state of the display operation of the display occurs prior to starting the display operation of the display.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: May 11, 2021
    Assignee: JOLED INC.
    Inventors: Hiroshi Hayashi, Shinya Ono
  • Patent number: 10971088
    Abstract: A sub-pixel rendering method, comprising the following steps: acquiring a second pixel array corresponding to an original image, each sub-pixel of the second pixel array corresponding to a greyscale value; mapping the second pixel array of the original image onto a first pixel array; respectively finding the central positions of the sub-pixels of the first pixel array and of the second pixel array, determining sub-pixels of the second pixel array positioned in every sub-pixel preset region in the first pixel array and of the same colour as said sub-pixels in the first pixel array, and measuring the distance of same from the central position of said sub-pixels of the first pixel array; on the basis of the distance, calculating the proportional coefficient occupied by the sub-pixels of the second pixel array in the sub-pixels of the first pixel array, and on the basis of the proportional coefficient and the greyscale value of the sub-pixels of the second pixel array, calculating the greyscale value correspondin
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: April 6, 2021
    Assignee: TRULY (HUIZHOU) SMART DISPLAY LIMITED
    Inventors: Guoliang Wu, Xiaojin Song, Wu Zheng, Yuewen Wang, Tianyou Chen, Junwen Hu, Junhai Su, Jianhua Li
  • Patent number: 10957269
    Abstract: Disclosed is a display device for decreasing a load of a clock line. The display device comprises: a display panel including a plurality of data lines and a plurality of gate lines, and a plurality of pixels in a display area, a gate driver disposed in a non-display area of the display panel and supplying gate signals to the plurality of gate lines, and a gate control line for supplying a gate control signal to the gate driver. The gate control line includes a first gate control line and a second gate control line overlapping the first gate control line with an insulation layer therebetween, the second gate control line being connected to the first gate control line through a first contact hole passing through the insulation layer.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: March 23, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Jongchan Park, JinHwan Kim, Hyunchul Um
  • Patent number: 10928917
    Abstract: Methods, systems and computer program products for speech and gesture interaction of multiple users with devices using voice activated interfaces are provided herein. A computer-implemented method includes transmitting a pilot signal from a device comprising a voice activated interface, the pilot signal having a frequency, detecting motion of at least one user around the device, associating the detected motion with a gesture, and performing a function in response to the gesture. Detecting the motion includes receiving a reflected signal of the pilot signal caused by the motion of the at least one user, and detecting a shift in the reflected signal from the pilot signal, wherein detecting the shift comprises determining one or more differences between a waveform corresponding to the pilot signal and a waveform corresponding to the reflected signal.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: February 23, 2021
    Assignee: International Business Machines Corporation
    Inventors: Mohit Jain, Pratyush Kumar, Anup Agarwal
  • Patent number: 10923026
    Abstract: In an example implementation according to aspects of the present disclosure, a method may include determining when a keyboard for a computing device is on a display surface of the computing device and, upon making the determination, using a portion of the display surface covered by the keyboard to provide a configurable backlight for the keyboard.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 16, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Robert E. Krancher, Kent E. Biggs, Steven L. Sinclair, Jason Lee Warkentin
  • Patent number: 10891006
    Abstract: The present invention provides a panel driving device: supplying a first signal to a first sensor electrode by using a first amplifier, so as to detect a change in the capacitance of the first sensor electrode; supplying a second signal, having the same waveform as that of the first signal, to a second sensor electrode adjacent to the first sensor electrode by using a second amplifier; and detecting the proximity or a touch of an external object toward the sensor electrodes according to the change in the capacitance of the first sensor electrode.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: January 12, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Yong Sung Ahn
  • Patent number: 10879333
    Abstract: An organic light emitting display device includes a display unit including a first pixel column and a first data line connected to the first pixel column, a first pad unit including first and second signal pads, a test unit including a first switching element which is connected between the first data line and the first signal pad, and includes a control electrode connected to the second signal pad, a first conductive pattern provided in a different layer from that of the first signal pad and connected to the first signal pad, and a second conductive pattern provided in a different layer from that of the second signal pad and connected to the second signal pad, where the first and second conductive patterns are spaced apart from each other in the same layer, and a width of the first conductive pattern is greater than that of the second conductive pattern.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hyun Ka, Tae Hoon Kwon, Yang Wan Kim, Min Ku Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Patent number: 10871862
    Abstract: The present disclosure provides a touch force detecting method and apparatus, a touch panel and a display apparatus. The touch force detecting method comprises: Step S1, obtaining the number N of touch points on a panel to be detected, where N is an integer greater than or equal to 1; Step S2, selecting M test positions arbitrarily on the panel to be detected, where M is an integer greater than or equal to N, and obtaining an amount of capacitance change at each of the test positions; Step S3, obtaining a panel deformation amount at each of the test positions according to the amount of capacitance change at each of the test positions; and Step S4, calculating a touch force at the touch point according to a correspondence between the panel deformation amount and the touch force.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xueyou Cao
  • Patent number: 10872566
    Abstract: The present disclosure relates to an OLED pixel circuit, a method for driving the same and a display device. The OLED pixel circuit includes: a data writing and compensating circuit configured to make compensation to a threshold voltage of the first driver; the first driver configured to drive the light emitting device after the threshold voltage is compensated; the second driver configured to drive the light emitting device; the light emitting controller connected to the light emitting device and a second signal terminal, and configured to connect the first driver and the second driver to the light emitting device; and the light emitting device emitting light by joint driving of the first driver and the second driver.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: December 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Qu, Wenjun Liao, Linxuan Li, Taoran Zhang, Qiao Feng, Da Zhou, Zailong Mo, Cailong Zhou
  • Patent number: 10831319
    Abstract: A sensor for detecting and distinguishing between increasing and decreasing proximity of a pointing element, touch by a pointing element, pressure applied by a pointing element, stretching (and/or other deformation) of the sensor, and any of the above while stretching and/or otherwise deforming the sensor. The sensor may comprise a cluster sensor unit having a first sensor and a second sensor wherein the first sensor has a higher ratio of distal flux to proximate flux as compared to the second sensor. With this flux characteristic, the first sensor is relatively more sensitive (as compared to the second sensor) to proximity of a pointing element, while the second sensor is relatively more sensitive (as compared to the first sensor) to force and/or pressure applied by the pointing element.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: November 10, 2020
    Assignee: The University of British Columbia
    Inventors: John D. W. Madden, Mirza S. Sarwar
  • Patent number: 10810939
    Abstract: A display device related to one embodiment of the present invention includes a plurality of pixel circuits each connected to a scanning signal line, initialization control signal line, light emitting control signal line and video signal line, wherein each of the plurality of pixel circuits includes a first transistor connected to the scanning signal line and the video signal line, a second transistor connected to a first node and the first transistor, a third transistor connected to the first node and a scanning signal line, a fourth transistor connected to the second transistor and the light emitting control signal line, and a fifth transistor connected to the second transistor, a power supply voltage line, and the light emitting control signal line.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 20, 2020
    Assignee: Japan Display Inc.
    Inventor: Ilin Wu
  • Patent number: 10790438
    Abstract: Provided are a touch sensitive element and a manufacturing method thereof. The manufacturing method for the touch sensitive element according to an embodiment of the present disclosure includes forming an electroactive polymer coating layer by applying an electroactive polymer solution on a substrate; forming an electroactive layer by heating and pressurizing the electroactive polymer coating layer using a hot press roller; and forming an electrode on the electroactive layer.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: September 29, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Su Ham, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, MyungJin Lim
  • Patent number: 10788361
    Abstract: An electronic device may have a housing in which a display is mounted. The display may have an active area in which images are displayed by an array of pixels and an inactive area that is free of pixels. A color ambient light sensor may make color and luminance measurements on ambient light received through an ambient light sensor window in the inactive area of the display or elsewhere in the electronic device. The color ambient light sensor may have color ambient light sensor elements of different colors. The ambient light sensor elements may extend in a row along an edge of the display or may have other configurations. Analog-to-digital converter circuitry and switching circuitry may gather color ambient light sensor measurements and measurements indicative of whether or not the color ambient light sensor has been obscured by an external object from the light sensor elements.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: September 29, 2020
    Assignee: Apple Inc.
    Inventors: Tianbo Sun, Brian R. Land, Dong Zheng, Serhan O. Isikman, Venkata Siva Sunil Kumar Reddy Bommu, Zhang Jia
  • Patent number: 10783848
    Abstract: A display device includes a display panel, a data driver, a multiplexer, and a multiplexer controller. First to fourth color subpixels are disposed on the display panel. The data driver outputs a data voltage to be supplied to the first to fourth color subpixels, through output buffers. The multiplexer distributes each of data voltages output by output buffers to four data lines in a time division manner in response to first to fourth control signals. The multiplexer controller sequentially outputs a first control signal to an nth control signal during a first horizontal period, and sequentially outputs the nth control signal to the first control signal during a second horizontal period.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: September 22, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jongbeom Lee, Beumsik Cho, Juyun Lee
  • Patent number: 10726783
    Abstract: A data driver includes a first and second data voltage generator and a third data voltage generator. The first and second data voltage generator generates a first data voltage corresponding to a first grayscale value and a second data voltage corresponding to a second grayscale value lower than the first grayscale value based on a reference voltage. The third data voltage generator generates a third data voltage corresponding to a third grayscale value lower than the second grayscale value based on a voltage level difference between the first data voltage and the second data voltage.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jung Kook Park
  • Patent number: 10699634
    Abstract: A display device includes: a display unit in which light-emitting pixels are disposed in rows and columns; and a control circuit controlling the display unit. The light-emitting pixels each include: a light-emitting element (organic EL element); and a drive transistor which supplies the light-emitting element with a current causing the light-emitting element to emit light, and the control circuit, when display by the display unit is stopped, calculates an amount of shift of a threshold voltage of the drive transistor at a time when a stopped state of the display unit is started, and determines on the basis of the amount of shift, at least one of (i) a recovery voltage which reduces the amount of shift by being applied across a gate and source of the drive transistor while the display by the display unit is stopped, and (ii) an application period during which the recovery voltage is applied.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: June 30, 2020
    Assignee: JOLED INC.
    Inventors: Hiroshi Hayashi, Shinya Ono
  • Patent number: 10671219
    Abstract: A scanning display system includes smart infrared pulsing to detect gestures and touch events with reduced power consumption. Infrared laser light pulses are emitted at a first density in a field of view and reflections are detected. Times of flight of the infrared laser light pulses are measured to determine if an object is in the field of view. The density of the infrared pulses may be increased based on various factors to detect gestures and touch events. Power consumption is reduced by reducing the density of laser pulses when possible.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 2, 2020
    Assignee: Microvision, Inc.
    Inventors: P. Selvan Viswanathan, Jari Honkanen
  • Patent number: 10642386
    Abstract: An apparatus is disclosed which includes a first substrate having an outer touch surface and an inner surface; a touch sensor substrate having a first surface and an opposing second surface; wherein the first substrate and the touch sensor substrate are configured to form a part of a laminated structure; and wherein a first region of the first surface of the touch sensor substrate is configured to have a shape different to an adjacent region of the inner surface of the first substrate.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 5, 2020
    Assignee: Nokia Technologies Oy
    Inventors: Esa Makelainen, Hannu Haapakoski