Patents Examined by Ivelisse Martinez Quiles
  • Patent number: 11127366
    Abstract: A source driver including a decoder configured to receive image data and an activation signal, determine a target voltage based on the image data, and select at least one gamma line for generating the target voltage from among a plurality of gamma lines, which are configured to transmit different gamma voltages, respectively, and a buffer circuit including a plurality of input terminals and configured to be connected to the selected at least one gamma line and generate an output voltage based on at least one gamma voltage obtained from the selected at least one gamma line may be provided. The decoder may be further configured to select a gamma line group including the selected at least one gamma line to be connected to the plurality of input terminals of the buffer circuit during a slew period of the buffer circuit in accordance with the activation signal.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: September 21, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha Jun Lee, Jun Ho Song, Jeong Ah Ahn, Eun Jong Jang
  • Patent number: 11119600
    Abstract: A pressure sensor for a display device, includes: a plurality of touch cells having a plurality of driving electrodes disposed on a first substrate, a plurality of sensing electrodes disposed on a second substrate overlapping the first substrate, and a pressure sensing layer interposed between the plurality of driving electrodes and the plurality of sensing electrodes, the driving electrodes and sensing electrodes overlapping each other; and a touch driver to drive the plurality of touch cells and to detect touch pressure of the plurality of touch cells; wherein, when a plurality of touch areas including at least one touch cell are detected, the touch driver is configured to compare magnitude of touch pressures of the plurality of touch areas and to ignore at least one touch input in at least one touch area.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: September 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Won Ki Hong, So Hee Park, Hyeon Jun Lee
  • Patent number: 11099694
    Abstract: A flexible display screen system (100) includes a flexible display screen (10), a sensor (30) and a processor (50), in which the flexible display screen (10) is formed with a first display region (11), the sensor (30) is configured to generate a bending signal when the flexible display screen (10) is bent, and the processor (50) is configured to control the flexible display screen (10) to form a second display region (13) according to the bending signal and the display content of the first display region (11) and control the second display region (13) to display the display content. The flexible display screen system (100) realizes control over the flexible display screen (10) by bending, and may form another display area which facilitates sharing the content of the original display area with others, and is easy and convenient to operate.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: August 24, 2021
    Assignee: SHENZHEN ROYOLE TECHNOLOGIES CO., LTD.
    Inventor: Jinxin Li
  • Patent number: 11093082
    Abstract: An apparatus (73) for processing signals from a touch panel (10) is described. The touch panel (10) includes a layer of piezoelectric material (16) disposed between a number of sensing electrodes (14, 20) and at least one common electrode (15). The apparatus (73) includes a capacitive touch controller (69) for connection to the sensing electrodes (14, 20). The apparatus (73) also includes a switch network (74) including a number of inputs for connection to some or all of the sensing electrodes (14, 20), and an output connected to system ground or a common mode voltage (VCM). The apparatus (73) also includes a second circuit (24, 44) for connection to the at least one common electrode (15) and configured to generate, based on signals received from the at least one common electrode, a second pressure signal (30) indicative of a total pressure applied to the touch panel (10).
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: August 17, 2021
    Assignee: Cambridge Touch Technologies Ltd.
    Inventors: Michael Astley, Babak Bastani, Riccardo Micci, Arokia Nathan, Paul Routley, Xiang Cheng, Jiahao Li
  • Patent number: 11082042
    Abstract: A material-discerning sensing device includes an antenna, a capacitive proximity sensor, and a control circuit. The antenna includes multiple conductive loops and is configured to radiate a wireless signal. The antenna defines an interior region devoid of the conductive loops and an exterior region outside the conductive loops. The capacitive proximity sensor includes a conductive pattern provided within the interior region or within a projection of the interior region, as well as a conductive bar. The control circuit is configured to detect a change in a characteristic of an electrical signal from the capacitive sensor. The conductive pattern includes a longitudinal portion, a first plurality of parallel conductors extending away from the longitudinal portion in a first direction and orthogonal to the longitudinal portion, and a second plurality of parallel conductors extending away from the longitudinal portion in a second direction opposite the first direction.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: August 3, 2021
    Assignee: Texas Instruments Incorporated
    Inventor: Thomas Almholt
  • Patent number: 11076080
    Abstract: A method for eye tracking is disclosed. The method may include receiving a first image captured by a first camera based at least in part on reflections of light emitted by a light source. The reflections may be partially occluded by an electronic display disposed in front of the first camera. The method may further include detecting an eye of a user in the partially occluded first image and determining a position or orientation of the eye relative to the electronic display.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: July 27, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Kio Kim, Boyan Ivanov Bonev, Andrew Lek
  • Patent number: 11068101
    Abstract: An electronic device includes: a top panel having an operation surface; a position detection circuit configured to detect a position of an operational input performed on the operation surface; a vibrating element mounted to the top panel and configured to generate vibration in the operation surface; and a drive control circuit configured to drive the vibrating element by a drive signal for generating natural vibration in an ultrasonic band in the operation surface, and configured to drive the vibrating element such that intensity of the natural vibration changes according to the position of the operational input on the operation surface and a degree of temporal change of the position.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: July 20, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Yuichi Kamata, Akinori Miyamoto, Yoshihiro Mizuno
  • Patent number: 11056056
    Abstract: A pixel unit circuit, a method of driving the same, a pixel circuit and a display device are provided. A pixel unit circuit includes a light-emitting component, a driving transistor, a data writing circuit and a storage capacitor circuit. The data writing circuit is coupled to a data line, a gate line and a gate electrode of the driving transistor, and configured to, under a control of the gate line, enable a connection between the data line and the gate electrode of the driving transistor to be turned on or off. A first end of the storage capacitor circuit is coupled to the gate electrode of the driving transistor, and a second end of the storage capacitor circuit is coupled to a reference voltage input terminal. A second end of the light-emitting component is coupled to a low-level input terminal.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: July 6, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Xiaochuan Chen, Shengji Yang
  • Patent number: 11054953
    Abstract: A display device includes: a display panel including a display area in which a plurality of pixels are arranged to display images and a non-display area around the display area. A flexible printed circuit board is connected to the display panel and a driving integrated circuit is arranged on the flexible printed circuit board. A home integrated circuit is arranged on the driving integrated circuit and overlapping the driving integrated circuit.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Geunjeong Park, Yongjun Jang, Byungsun Kim, Ahyoung Son
  • Patent number: 11056069
    Abstract: A method for driving a liquid crystal display (LCD) panel includes sequentially buffering each row of pixel data of a first display image in a corresponding pixel row of the LCD panel. The method also includes activating a backlight of the LCD panel after the last row of pixel data of the first display image has been buffered at the last pixel row of the LCD panel but before liquid crystal settling of the last pixel row of the LCD panel has completed. The method also may include initiating sequential buffering of each row of pixel data of a second display image in a corresponding pixel row of the LCD panel prior to the liquid crystal settling of the last pixel row of the LCD panel completing, wherein activating the backlight of the LCD panel comprises activating the backlight while at least one pixel row of the LCD panel buffers a corresponding row of pixel data from the second display image and other pixel rows of the LCD panel buffer corresponding rows of pixel data from the first display image.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: July 6, 2021
    Assignee: Google LLC
    Inventors: Jonathan Huang, Gaurav Shah
  • Patent number: 11037505
    Abstract: Disclosed herein is a flat panel display device capable of reducing switching noise and electromagnetic interference noise caused by driving of a multiplexer and stabilizing a common voltage in an in-cell touch flat panel display device. Discloses is a multiplexer controlled by k MUX control signals and k pseudo MUX control signals to selectively supply the data signal supplied from each output channel of the data driving circuit to k data lines. The multiplexer includes k pairs of switching transistors. Each pair of switching transistors include a first switching transistor controlled by one of the k MUX control signals to supply a data signal output from the one output channel of the data driving circuit to one data line, and a second switching transistor controlled by one of the k pseudo MUX control signals having a phase opposite to that of the one of the k MUX control signals.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: June 15, 2021
    Assignee: LG Display Co., Ltd.
    Inventor: Cheon-Kee Shin
  • Patent number: 11032922
    Abstract: A foldable device includes a first housing portion, a second housing portion, and a hinge structure joined therebetween to permit the foldable device to be folded along an axis between an open mode and a closed mode. Touch sensors are disposed along one or more of the first housing portion or the second housing portion. The device includes a module implemented at least partially in hardware and configured to: determine touch sensor physical proximity; responsive to the touch sensor physical proximity not being less than a threshold, determine that the foldable device is in the open mode and cause the foldable device to be operated in a single sensor mode; and responsive to the touch sensor physical proximity being less than the threshold, determine that the foldable device is in a closed mode and cause the foldable device to be operated in a cumulative sensor mode.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 8, 2021
    Assignee: Motorola Mobility LLC
    Inventors: Vivek Kumar Tyagi, Scott Patrick DeBates, Douglas Alfred Lautner
  • Patent number: 10996470
    Abstract: A head-up display (HUD) system for a vehicle comprises a windshield, a projector adapted to project an image onto an inner surface of the windshield, a HUD glare trap lens positioned between the projector and the windshield, the HUD glare trap lens adapted to allow the projected image to pass through the HUD glare trap lens to the inner surface of the windshield, and to reflect sunlight that passes through the windshield to the HUD glare trap lens, and a light trap adapted to deflect sunlight that passes through the windshield and is reflected by the HUD glare trap lens, to prevent the reflected sunlight from interfering with the HUD image projected onto the windshield.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: May 4, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Kai-Han Chang, Thomas A. Seder
  • Patent number: 10983638
    Abstract: A multi-stage capacitive sensor is provided having a layered structure, including a user-contact surface, a first capacitive sensor for the user-contact surface, a second capacitive sensor which is spaced apart from the first capacitive sensor in a direction away from the user-contact surface, and a conductive member. The conductive member is positioned between the first and second capacitive sensors, and is engaged with the first circuit substrate and spaced apart from the second capacitive sensor. In a preferred embodiment, under the application of a force at the user-contact surface, the conductive member is deflected relative to the second capacitive sensor to alter a distance therebetween to create a detectable change in a capacitance at the second capacitive sensor.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: April 20, 2021
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Alan Roger Morey, Alex James Cowcher
  • Patent number: 10983680
    Abstract: A display device includes: a first display unit that displays a first image at a remote position; a second display unit that displays a second image at a position different from the position of the first image; a detection unit that detects an operation performed by a user with respect to the first image; and a display control unit that adjusts a display mode for at least either one of; the first image displayed by the first display unit and the second image displayed by the second display unit, based upon the operation detected by the detection unit.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: April 20, 2021
    Assignee: NIKON CORPORATION
    Inventor: Hidenori Kuribayashi
  • Patent number: 10983347
    Abstract: Disclosed is an AR device which has a thin thickness and a wide FOV and displays an image obtained by mixing a virtual object with the real world. The AR device includes a display unit displaying an augmented image, a reflector reflecting the augmented image displayed by the display unit, and an augmentation unit displaying the augmented image reflected by the reflector along with a real image. The display unit is disposed in an upper boundary of a front viewing angle range of a user, the reflector is disposed at a first angle with respect to the display unit, and the augmentation unit is disposed within the front viewing angle range of the user.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 20, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HanSeok Kim, SungMin Jung, Keongjin Lee
  • Patent number: 10965922
    Abstract: A projector includes: a projection unit having a light modulation device and displaying a projection image via the light modulation device; a time measuring unit measuring a projection time for which the projection unit displays the projection image; a decision unit deciding an elimination execution time for which an elimination function to eliminate burn-in on the light modulation device is executed, based on the projection time; and a processing unit executing the elimination function.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 30, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yoshiyuki Furumi
  • Patent number: 10964265
    Abstract: The present disclosure provides a pixel circuit, a pixel array, a display device, and a driving method. The pixel circuit includes a pre-storage sub-circuit, a driving sub-circuit, a first reset sub-circuit, and a light emitting control sub-circuit. The pre-storage sub-circuit is used to maintain and provide a data voltage of a current frame image, and pre-store a data voltage of a next frame image. The driving sub-circuit is used to drive a light emitting device to emit light. The first reset sub-circuit is used to be turned on during the reset phase to transmit the reference voltage to the driving sub-circuit and turned off during a time period other than the reset phase. The light emitting control sub-circuit is used to control that the driving sub-circuit is coupled to or decoupled from the light emitting device.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 30, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Yingsong Xu
  • Patent number: 10955955
    Abstract: A controller for use in a device which comprises at least two force sensors in a given arrangement, the controller operable, based on input sensor signals derived from the force sensors, to carry out an arrangement-related operation in which an output sensor signal is generated based on at least two said input sensor signals and the arrangement of the force sensors in the device so that the output sensor signal is dependent on said arrangement.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 23, 2021
    Assignee: Cirrus Logic, Inc.
    Inventors: Pablo Peso Parada, Tom Birchall, Hamid Sepehr
  • Patent number: 10953749
    Abstract: The vehicular display device includes: a touchscreen disposed substantially at a center position in a vehicle width direction in front of a cockpit of a vehicle; a reception section at least partially provided to the touchscreen and configured to receive operation input from a user; and a display control section configured to display, on a display screen of the touchscreen, a first screen corresponding to a first function and a second screen corresponding to a second function such that the first screen and the second screen are arrayed in a left-right direction, the display control section being configured to perform, in accordance with a predetermined first instruction operation received by the reception section, switching control in which a display position of the first screen and a display position of at least a part of display content on the second screen are switched in the display screen.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 23, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hitoshi Kumon, Hironori Nagata