Patents Examined by Ke Xiao
  • Patent number: 11967273
    Abstract: A control circuit, a drive device, and a display. The control circuit includes: a control unit and a detection unit. The detection unit is connected with a plurality of output voltage feedback terminals of a drive chip, and the detection unit is connected with the control unit. The detection unit is configured for providing a first voltage to the control unit when a voltage of at least one output voltage feedback terminal in the plurality of output voltage feedback terminals is detected, the first voltage being greater than a second voltage received by the control unit. The control unit is configured for controlling the drive chip to restart when the first voltage is greater than the second voltage.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: April 23, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Peiyang Lin, Honghai Liu, Xiaowei Han, Rongrong Li
  • Patent number: 11961492
    Abstract: A pixel circuit, a display panel, a display device and a driving method. The pixel circuit includes: a first control module, a latch module, a second control module, a first input module and a second input module. The first control module provides a signal on a data line to a first node under control of a signal of first gate line. The latch module latches signals of the first node and a second node. The second control module provides signal on the data line to a third node under control of a signal on a second gate line. The first input module provides a signal of a reference signal terminal to a pixel electrode under control of signal of the first node. The second input module provides a signal of the third node to the pixel electrode under control of signal of the second node.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: April 16, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiguo Wang, Jun Fan
  • Patent number: 11955095
    Abstract: The disclosure provides an output circuit, a display driver including the output circuit and a display device. The disclosure includes a PMOS transistor switch that outputs a positive voltage signal from an output terminal when it is turned on, an NMOS transistor switch that outputs a negative voltage signal from the output terminal when it is turned on, and a voltage control circuit that supplies a voltage obtained by shifting the level of a voltage of a source or a drain when the PMOS transistor switch is turned on to a high potential side to a back gate of the PMOS transistor switch and supplies a voltage obtained by shifting the level of a voltage of a source or a drain when the NMOS transistor switch is turned on to a low potential side to a back gate of the NMOS transistor switch.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: April 9, 2024
    Assignee: LAPIS Technology Co., Ltd.
    Inventor: Hiroshi Tsuchi
  • Patent number: 11943970
    Abstract: A light emitting device comprising a plurality of pixels is provided. Each of the plurality of pixels includes a light emitting element, a first transistor having a drain region connected to the light emitting element, and a second transistor having a drain region connected to a gate electrode of the first transistor. The plurality of pixels include a first pixel and a second pixel, which are adjacent to each other in a first direction. A source region of the second transistor of the first pixel and a source region of the second transistor of the second pixel share one diffusion region, and a source region, a gate electrode, and the drain region of the first transistor of the first and second pixels are sequentially arranged in one of a positive direction and a negative direction in the first direction.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: March 26, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiromasa Tsuboi
  • Patent number: 11934593
    Abstract: A magneto-electrophoretic medium that can be globally and locally addressed and erased. The medium provides a writeable display with no perceivable lag and the ability to write and erase with only minimal power requirements. In particular, the magneto-electrophoretic medium can be erased by providing a subthreshold electric stimulus and supplementing a second non-electric stimulus that disturbs the written state and allows the magneto-electrophoretic particles to return to their original state.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: March 19, 2024
    Assignee: E Ink Corporation
    Inventors: Crystal Nguyen, Evan Griffith, Seth J. Bishop, Stephen J. Telfer, Kosta Ladavac, Andrew A. Drabek, Sunil Krishna Sainis, Richard J. Paolini, Jr., Samantha Morrill
  • Patent number: 11900865
    Abstract: A light-emitting diode (LED) driving circuit for driving an LED channel including a plurality of LED elements includes a switch-capacitor amplifier circuit configured to sample received input current and amplify an input voltage corresponding to the input current, a replica circuit configured to connect to the switch-capacitor amplifier circuit in a first period to define a first feedback loop, and an output circuit configured to connect to the switch-capacitor amplifier in a second period to define a second feedback loop. The second period is after the first period, and the output circuit is configured to generate output current according to an output voltage of the switch-capacitor amplifier circuit and provide the output current to the LED.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yongsik Kwak, Sunkwon Kim, Yongil Kwon, Uijong Song, Moonsuk Jeong, Youngkil Choi
  • Patent number: 11893952
    Abstract: A display panel and a driving method thereof, and a display device are provided. The display panel includes a first display region, a second display region, and a control device. The first display region is on a side of the second display region, and the second display region includes N display sub-regions; and the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in i time intervals within one frame period, and sequentially control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval, wherein 1?i?N, and N is a positive integer greater than or equal to 3.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: February 6, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liye Duan, Zongmin Liu, Long Wang, Mengjun Hou, Yao Lu
  • Patent number: 11893955
    Abstract: The present disclosure provides common voltage compensation method and device for display panel, a display panel, and a display device. The display panel includes a common electrode, a common voltage compensation unit, and common electrode lines. The common electrode lines are sequentially numbered according to a distance from the common voltage compensation unit, a number of the common electrode lines is n, and n is an integer greater than 8. The method includes: the common voltage compensation unit providing common voltage to the common electrode; the common voltage compensation unit detecting actual common voltage on one of N1-th common electrode line to N2-th common electrode line, N1 being a value rounded down from n/8, and N2 being a value rounded down from n/4; the common voltage compensation unit compensating the common voltage of the common electrode according to the detected actual common voltage.
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: February 6, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Wang, Qi Wang, Yan Yan, Xue Wang
  • Patent number: 11811987
    Abstract: An operation input device accepts non-contact operation on an operation image with a pointer. The operation input device includes a display panel and a sensing portion. The sensing portion outputs a first output value and a second output value. If a first operation image, which is an operation image corresponding to the second output value observed when the first output value is equal to a first reference value, and a second operation image, which is an operation image corresponding to the second output value observed when the first output value is equal to a second reference, differ, the display panel displays the first and second operation images with highlighting.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: November 7, 2023
    Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventor: Kenji Takai
  • Patent number: 11783768
    Abstract: A power supply may include a power converter configured to supply a driving voltage to a display panel. The power converter may also include a sub-power unit configured to supply a sub-driving voltage to the display panel when the power converter operates abnormally.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Eun Ryeol Baek
  • Patent number: 11768560
    Abstract: A system and method for mitigating interference within a sensing device. The sensing device may be part of an input device that also includes a display device. The display device may include a display panel having a plurality of display electrodes, and a display driver configured to drive the plurality of display electrodes. The sensing device may include a plurality of sensor electrodes disposed over the display panel, and a sensor driver communicatively coupled to the plurality of sensor electrodes and the display driver. The sensor driver may be configured to acquire sensor data from the plurality of sensor electrodes, receive a display signal from the display driver, and reduce interference within the sensor data at least partially based on the display signal.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 26, 2023
    Assignee: Synaptics Incorporated
    Inventors: Sanjay Mani, Joseph Kurth Reynolds
  • Patent number: 11768376
    Abstract: An electronic device such as a head-mounted display or other display system may have a transparent display. The transparent display may be formed from a transparent display panel or a display device that provides images to a transparent optical coupler. A user may view real-world objects through the transparent display. Control circuitry can direct the transparent display to display computer-generated content over selected portions of the real-world objects. The head-mounted display may have adjustable components through which the user may view the real-world objects. The adjustable components may include an adjustable light modulator, an adjustable color filter, and an adjustable polarizer. The control circuitry may adjust these components based on information from a front-facing camera that captures images of the real-world objects, based on information from a gaze tracking camera, and based on other input.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: September 26, 2023
    Assignee: Apple Inc.
    Inventors: James E. Pedder, James H. Foster, Julian Hoening, Julian Jaede
  • Patent number: 11314348
    Abstract: A touch panel includes a substrate, scan lines, data lines, sub-pixels, a first conductive line, a second conductive line, and a conductive layer. The sub-pixels are arranged in columns along a first direction and arranged in rows along a second direction. Each of the sub-pixels includes an active element and a pixel electrode electrically connected with the active element. The active element is electrically connected with a corresponding scan line and a corresponding data line. The conductive layer overlaps the sub-pixels. The conductive layer includes a first electrode and a second electrode. The first electrode is electrically connected with the first conductive line. The second electrode is electrically connected with the second conductive line. The second electrode is separated from the first electrode. One of the first electrode and the second electrode is a touch electrode, and another one is a common electrode.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: April 26, 2022
    Assignee: Au Optronics Corporation
    Inventors: Yu-Min Chi, Sung-Yu Su
  • Patent number: 11300784
    Abstract: A device, such as a head-mounted device (HMD), may include a frame and a plurality of mirrors coupled to an interior portion of the frame. An imaging device may be coupled to the frame at a position to capture images of an eye of the wearer reflected from the mirrors. The HMD may also include a mirror angle adjustment device to adjust an angle of one or more of the mirrors relative to the imaging device so that the mirror(s) reflect the eye of the wearer to the imaging device.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: April 12, 2022
    Assignee: FotoNation Limited
    Inventors: Cosmin Nicolae Rotariu, Istvan Andorko
  • Patent number: 11263939
    Abstract: Embodiments of the present application disclose various display control methods and apparatuses and various display devices, wherein one of the display control methods comprises: adjusting display pixel density of at least one display unit in a display array as uneven distribution; and displaying multiple first images respectively via multiple display units in the adjusted display array, to splice and/or superimpose the multiple first images to be displayed as a second image, the multiple display units comprising the at least one display unit. The present application can increase the actual utilization rate of display pixels of the display array, and improve splicing and/or image local display quality.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: March 1, 2022
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventors: Liang Zhou, Lin Du
  • Patent number: 11217139
    Abstract: A gate scanning unit circuit is applied in a display panel including a number of gate lines and a driver configured to output clock signals. The gate scanning unit circuit is configured to scan the number of gate lines. The gate scanning unit circuit includes a flip-flop and at least two output units. The flip-flop is configured to output a trigger signal. Each output unit is connected to the flip-flop and the driver. Each of the at least two output units is connected to the number of gate lines one-to-one. The output unit is configured to output a gate scan signal to the corresponding connected gate line according to the trigger signal and the clock signals.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: January 4, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hideo Sato, Mitsuru Goto, Wei-Cheng Chen, Chun-Jung Shih
  • Patent number: 11170679
    Abstract: Embodiments of the present application disclose time division display control methods and apparatus and display devices, wherein a time division display control method disclosed comprises: displaying a first image by a display device; and changing display pixel distribution of the display device at least once within a preset permitted staying duration of vision of human eyes and displaying the first image by the display device changed each time, to cause the displayed first images to be displayed in human eyes as a second image in an overlapped manner. According to the present application, utilization of display pixels of a display device and a display quality of at least a local part of an image can be improved, thereby better meeting diversified actual application demands of users.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: November 9, 2021
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventors: Liang Zhou, Lin Du
  • Patent number: 11158270
    Abstract: In one embodiment, a computing system may receive a target image with a first number of bits per color. The system may access masks that each includes dots associated with a grayscale range. A subset of the dots associated with each of the masks may be associated with a subrange of the grayscale range. The dots within the subsets of dots associated with the masks may have different positions. The system may generate a number of images based on the target image and the masks. Each of the images may have a second number of bits per color smaller than the first number of bits per color. The system may display the images sequentially on a display for representing the target image.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: October 26, 2021
    Assignee: Facebook Technologies, LLC
    Inventor: Edward Buckley
  • Patent number: 11151960
    Abstract: An electronic apparatus is provided. The electronic apparatus includes a display; an illumination sensor; and a processor. The processor is configured to carry out a predetermined operation based on the illumination value being greater than or equal to a threshold, falling below the threshold for a predetermined time and thereafter being greater than or equal to the threshold. The processor is further configured to turn on the display based on the illumination value being greater than or equal to the threshold, falling below the threshold for the predetermined time and thereafter being greater than or equal to the threshold; or the illumination value being less than or equal to a second threshold, rising above the second threshold for the predetermined time, and thereafter being less than or equal to the second threshold, the second threshold being less than the threshold.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-won Lee
  • Patent number: 11144115
    Abstract: Disclosed herein are related to a system and a method for porting a physical object in a physical space into a virtual reality. In one approach, the method includes detecting an input device in a physical space relative to a user of the input device. In one approach, the method includes presenting, by a display device to the user, a virtual model of the detected input device in a virtual space at a location and an orientation. The location and the orientation of the virtual model in the virtual space may correspond to a location and an orientation of the input device in the physical space relative to the user. In one approach, the method includes visually providing relative to the virtual model in the virtual space, through the display device, spatial feedback on the user's interaction with the input device in the physical space.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 12, 2021
    Assignee: FACEBOOK TECHNOLOGIES, LLC
    Inventors: Jan Herling, Adrian Brian Ratter