Patents Examined by Patrick F Marinelli
  • Patent number: 11380256
    Abstract: A pixel driving circuit may include a first switch circuit, a second switch circuit, a first initialization circuit, a drive circuit, a second initialization circuit, a compensation circuit, an isolation circuit, and an energy storage circuit.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: July 5, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xiaohai Chen
  • Patent number: 11361711
    Abstract: A pixel circuit, comprising: a compensation sub-circuit (30), and a storage sub-circuit (40). The compensation sub-circuit (30) is configured to adjust a potential of a second node (P2) based on a potential of a first node (P1) in response to a first control signal from a first control signal terminal (S1), and to adjust a potential of the control node (P3) based on a potential of a first terminal of a driving transistor (M0) in response to a second control signal from a second control signal terminal (S2). The storage sub-circuit (40) is configured to adjust the potential of the control node (P3) based on the potential of the second node (P2). The driving transistor (M0) is a N-type transistor.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: June 14, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Patent number: 11361581
    Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: June 14, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: SangJin Park, Cha-Dong Kim, Heena Kim, Inkyung Yoo, SungBae Ju, Taehyeok Choi
  • Patent number: 11335256
    Abstract: A pixel circuit, a display panel and a method for improving low gray-level uniformity for a display panel are provided. A feedthrough effect can be effectively reduced by increasing resistance value of a resistor line between a source of a switching thin-film transistor and a gate of a driving thin-film transistor. Low gray-level uniformity of the display panel is improved. Quality of the display panel is enhanced.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: May 17, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shuai Zhou, Yan Xue, Baixiang Han
  • Patent number: 11331588
    Abstract: An example virtual reality headset stand includes a base, a stem, and a docking station. The stem, which extends from the base, is angled toward the base. The docking station, which is attached to the stem, is angled away from the stem. The docking station is contoured to hold a virtual reality headset. The docking station includes a lip connected to the stem, a body portion connected to the lip, and a clip connected to the body portion.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 17, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hiroshi Horii, Kevin Smathers, Ian N. Robinson, Alex Thayer
  • Patent number: 11322116
    Abstract: A display device is disclosed. The display device comprises: a storage configured to store output brightness information for each gradation according to brightness information of an image; and a processor configured to acquire target brightness corresponding to brightness information of an input image on the basis of the information stored in the storage, acquire a target light amount on the basis of a light amount of the input image, acquire a plurality of correction effects corresponding to a plurality of correction images by applying a plurality of gradation adjustment curves to the input image, acquire a gradation adjustment curve corresponding to the maximum correction effect among the plurality of correction effects, and adjust and output a gradation for each pixel of the input image on the basis of the acquired gradation adjustment curve.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaemoon Lim, Joseph Kim, Younghoon Jeong, Chun Zhao
  • Patent number: 11320947
    Abstract: The invention relates to a control and processing unit for a touch-sensitive screen and comprises a communication unit and a memory. The control and processing unit is configured for receiving first sensor data which is generated by way of capacitive sensors of the touch-sensitive screen, for receiving second sensor data which is transferred from an input unit to the control and processing unit, wherein the second sensor data comprises data of a sensor of the input unit, said sensor being designed to detect a putting-down of the input unit, and for examining, on the basis of a temporal sequence of the first and second sensor data, whether a putting-down of the input unit has been detected simultaneously with the placing of an object with a conductive structure onto the touch-sensitive screen, in order to ascertain whether the input unit has been put down on the touch-sensitive screen. The invention further relates to a system with such a control and processing unit, as well as to a method for use.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 3, 2022
    Assignee: Interactive Scape GmbH
    Inventors: Günter Paul Peters, Philipp Ewerling, Ulrich Mangold, Hauke Helmer
  • Patent number: 11322106
    Abstract: Embodiments of the present disclosure provide a method and a device for controlling a timing sequence, a drive circuit, a display panel, and an electronic apparatus. In this method, a frame scan timing sequence for a display signal may be set according to a frame rate of the display signal, wherein the frame scan timing sequence includes an active period and a blanking period. The frame scan timing sequence may be arranged to increase the active period as the frame rate of the display signal decreases.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: May 3, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shounian Chen, Dayu Zhang, Zhuo Zhang
  • Patent number: 11315476
    Abstract: The present disclosure proposes a power management chip, a driving method, and a driving system. The power management chip includes a register, a signal receiving circuit configured to receive a second voltage data, and a processing circuit configured to examine the first voltage data and the second voltage data and write the second voltage data into the register when the first voltage data and the second voltage data are different. After the signal receiving circuit receives the second voltage data, the processing circuit examines the first voltage data and the second voltage data to prevent the first voltage data from being modified. This prevents the abnormality of the display and solves the above-mentioned problem of a conventional power management chip, whose data may be modified such that the display panel abnormally displays.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: April 26, 2022
    Inventors: Wenfang Li, Dan Cao
  • Patent number: 11308917
    Abstract: The amount of calculation related to correction of an image signal in a display device is suppressed. A liquid crystal display device includes a backlight luminance distribution calculation unit configured to calculate an intensity of illumination light from a backlight in a pixel of interest, and the backlight luminance distribution calculation unit calculates the intensity of illumination light with reference to a one-dimensional lookup table indicating a relationship between a distance from one of control areas included in the backlight to the pixel of interest and the intensity of illumination light at the distance.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Aya Okamoto, Naoko Goto
  • Patent number: 11308851
    Abstract: The present disclosure allows reducing the variation of the luminance depending on the types of images and improving image quality by calculating a plurality of representative values, representing the luminance of pixels so that the types of images can be distinguished, calculating a weight using such representative values, and compensating image data according to the weight.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: April 19, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Young Jun Jun, Hee Yeol Lee, Young Seo Yoon
  • Patent number: 11307682
    Abstract: A method of controlling a watch-type mobile terminal having a touch bezel includes performing communication with an external device via a wireless communication unit; executing a first contact application stored in a memory; displaying a contact list on a display unit while executing the first contact application; sensing a drag touch input on the display unit while executing the first contact application; scrolling the contact list in response to sensing the drag touch input on the display unit while executing the first contact application; sensing a rotation touch input on a touch bezel located on an edge of the watch-type mobile terminal while executing the first contact application, wherein a direction of the drag touch input is different from a direction of the rotation touch input; displaying a quick scroll pop-up screen on the display unit when a speed of the rotation touch input on the touch bezel located on the edge of the watch-type mobile terminal is faster than a predetermined speed while executin
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: April 19, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Yung Kim, Jonghwan Kim
  • Patent number: 11295670
    Abstract: An apparatus includes a display screen, an ambient light sensor disposed behind the display screen, and an electronic control unit. An integration time of the ambient light sensor is unsynchronized to a frame rate of the display screen. The electronic control unit is operable to control a brightness of the display screen based on a duty cycle of a PWM blanking signal, wherein at least one OFF time of the PWM blanking signal occurs fully within a first integration period of the ambient light sensor, and wherein at least one other integration period ON time of the PWM blanking signal occurs fully during an ON time of the PWM blanking signal. The electronic control unit is further operable to acquire samples of an output of the ambient light sensor, to identify a highest value and a lowest value from among a consecutive group of the samples, and to estimate a magnitude of an ambient light signal based at least in part on the highest value and the lowest value.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: April 5, 2022
    Assignee: AMS AG
    Inventors: George Richard Kelly, David Harlow Sin
  • Patent number: 11289050
    Abstract: Disclosed is a display device including a display panel having a plurality of pixels, the display panel including a first display area having first resolution and a second display area having second resolution, the second resolution being lower than the first resolution, and a controller configured to generate border information of pixels provided in a border area located within a predetermined range from the border between the first display area and the second display area, to correct an image that is displayed in the border area based on the border information, and to perform control such that the corrected image is displayed on the display panel.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: March 29, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Dae Hee Bae, Bo Sung Kim, Jun Hun Park, Ji Hong Yuk, Sung Woo Han, Ji Hoon Choi
  • Patent number: 11275467
    Abstract: In some implementations, a control system may receive touch sensor signals from a touch sensor system indicating a camera area touch, the camera area touch corresponding to a target object touching a transparent cover in a camera area. The control system may control, responsive to the camera area touch, a light source system to provide light to the target object. The control system may receive, from the camera, image data corresponding to light reflected and/or scattered from the target object. The control system may perform a fingerprint authentication process based, at least in part, on the image data.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: March 15, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Russell Wayne Gruhlke, Naga Chandan Babu Gudivada
  • Patent number: 11270094
    Abstract: The disclosure is provided with a touch panel and driving control method thereof, and a touch display device. The touch panel includes: a first electrode, a second electrode, and a third electrode. The first electrode, the second electrode, and the third electrode are insulated from each other. The first electrode and the second electrode are crosswise arranged to form a touch film layer, and the second electrode and the third electrode are crosswise arranged to form a fingerprint identification film layer.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: March 8, 2022
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventor: Lei An
  • Patent number: 11263426
    Abstract: A fingerprint identification device, a driving method thereof, and a display device are disclosed. The fingerprint identification device includes: a receiving electrode layer, a piezoelectric material layer, and a drive electrode layer. The piezoelectric material layer is between the receiving electrode layer and the drive electrode layer, the piezoelectric material layer is configured to emit ultrasonic waves under an excitation of at least a drive voltage, and is further configured to convert ultrasonic waves, which are emitted by the piezoelectric material layer and reflected by a fingerprint to be detected, into electrical signals; the drive electrode layer is configured to receive the drive voltage and a first fixed voltage simultaneously, and the receiving electrode layer is configured to output the electrical signals while receiving a second fixed voltage; the electrical signals are used for obtaining a fingerprint image.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: March 1, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yingming Liu, Haisheng Wang, Xiaoliang Ding, Lei Wang, Pengpeng Wang, Changfeng Li
  • Patent number: 11262850
    Abstract: Via no-handed inputs to a smartwatch, an end-user can initiate various smartwatch operations when either or both hands of the end-user are occupied. The smartwatch includes a suite of sensors for capturing inertial, acoustic, and optical data. The smartwatch also interfaces with a handheld mobile computing device and/or a shoe-mounted pedometry device to capture additional sensor data. A control engine executing on the smartwatch processes captured sensor data and identifies no-handed inputs performed by the end-user. The control engine maps these no-handed inputs to specific commands that can be executed on the smartwatch to initiate smartwatch operations.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: March 1, 2022
    Assignee: AUTODESK, INC.
    Inventors: Seongkook Heo, George Fitzmaurice, Benjamin Lafreniere, Tovi Grossman
  • Patent number: 11250783
    Abstract: A gate-driver-on-array (GOA) circuit includes N GOA units cascaded in series to generate N sets of driving signals. Each n-th GOA unit includes a first terminal configured to receive a high-level voltage, a second terminal configured to receive a low-level voltage, and a clock signal terminal configured to receive a clock signal, an input terminal and a reset terminal respectively configured to receive internal signals from two alternative GOA units in the series, a first output terminal configured to output a gate-driving signal, and a second output terminal configured to output a node voltage signal. Each n-th set of the N sets of driving signals includes a first driving signal being a gate-driving signal from a (n?1)th GOA unit, a second driving signal being a gate-driving signal from a n-th GOA unit, and a third driving signal being a node voltage signal from the n-th GOA unit for driving an AMOLED pixel circuit.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: February 15, 2022
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Zuquan Hu, Xiping Wang
  • Patent number: 11209922
    Abstract: A display apparatus includes: a display panel including a display device to generate a visible ray; an optical functional layer on a surface of the display panel where a visible ray is generated; a circuit on the display panel such that the circuit overlaps with at least an area of an edge of the display panel; and a reinforcement on a surface of the display panel that faces the optical functional layer, to abut the display panel without overlapping with the circuit.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: December 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Taeeun Kim