Patents Examined by Stacy Khoo
  • Patent number: 11049454
    Abstract: A pixel circuit for a display device provides enhanced performance by performing drain-side initialization and data programming with respect to the drive transistor. The pixel circuit is operable in an initialization phase, a combined threshold compensation and data programming phase, and an emission phase, the pixel circuit including a drive transistor configured to control an amount of current to a light-emitting device during the emission phase depending upon a voltage applied to a gate of the drive transistor, and the drive transistor having a first terminal and a second terminal with the first terminal being electrically connected during the emission phase to a first voltage supply line that supplies a driving voltage.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: June 29, 2021
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Tong Lu
  • Patent number: 11049442
    Abstract: A display apparatus is provided. The display apparatus includes a display including a plurality of Light Emitting Diode (LED) elements and configured to display an image frame in a scan line; a driver configured to drive the plurality of LED elements in a Passive Matrix (PM) method; and a controller. The controller is configured to control the driver to apply an error detection signal in the scan line, detect whether there is an error in first LED elements among the plurality of LED elements in a first scan line, and detect whether there is an error in second LED elements among the plurality of LED elements in a second scan line.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaehyang Lee, Byeongcheol Hyeon
  • Patent number: 11049453
    Abstract: A pixel circuit, a driving method and a display apparatus are provided. The pixel circuit includes: a signal input sub-circuit, a data input sub-circuit, a light emitting control sub-circuit, a compensation sub-circuit, a capacitor sub-circuit, a driving transistor and a light emitting device. By the cooperation of the above sub-circuits and elements, a threshold voltage of the driving transistor can be compensated, and a voltage of a first power terminal can also be compensated.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: June 29, 2021
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zuwei Weng, Yupeng Huang, Weize Xu, Han Wu
  • Patent number: 11037996
    Abstract: A display device includes a display panel and an input-sensing unit located on the display panel. The input-sensing unit includes a plurality of sensor portions. At least one of the sensor portions is different from the others in terms of area or distance.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Jeong, Sungjae Moon
  • Patent number: 11029524
    Abstract: The present disclosure relates to a display device, including an optical imaging assembly and a neck wearable assembly. The optical imaging assembly is mounted on a head-mounted assembly, and is configured to present a virtual image to a user when the user wears the head-mounted assembly on the user's head. The neck wearable assembly is wearable on the user's neck, and is configured to obtain the virtual image and provide the virtual image to the optical imaging assembly for presenting.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: June 8, 2021
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Hao Jiang
  • Patent number: 11030946
    Abstract: Aspects of the disclosure provide an ambient brightness detection method, an electronic device, a detection apparatus, and a storage medium. The method can be applied to an electronic device including a display array and a light sensing component that is arranged on a back of the display array. The method can include that a detected brightness is obtained through the light sensing component in a display time slot of a target pixel portion covered by a projection in a plane where the display array is located, and a brightness scene is determined according to present display brightness of the display array. The method can also include that a calculation parameter for calculation of ambient brightness is determined according to the brightness scene, a display refresh rate of the display array, and the detected brightness, and the ambient brightness is determined according to the calculation parameter.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: June 8, 2021
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Chaoxi Chen
  • Patent number: 11024259
    Abstract: A pixel compensation method, a pixel compensation apparatus and a pixel compensation system are disclosed. The pixel compensation method includes: sampling pixel values of an image to be displayed on a display screen to obtain target sampling data; transmitting the target sampling data; receiving pixel compensation data, wherein the pixel compensation data is determined according to an aging duration of the display screen which is determined based on the target sampling data; and compensating for the pixel values of the image to be displayed on the display screen based on the pixel compensation data. The pixel compensation method includes: receiving target sampling data obtained by sampling pixel values of an image to be displayed on a display screen; determining an aging duration of the display screen based on the target sampling data; determining pixel compensation data based on the aging duration; and transmitting the pixel compensation data.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: June 1, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mingi Chu, Fei Yang, Yi Chen, Yu Wang, Lirong Wang
  • Patent number: 10996804
    Abstract: An electronic device includes a first electrode, a second electrode, and a third electrode. The first electrode includes a first boundary side extending in a direction. The second electrode includes a second boundary side extending in the direction. The third electrode is disposed between and spaced apart from the first electrode and the second electrode. The third electrode includes a first side facing the first boundary side and a second side facing the second boundary. The first side and the second side have shapes that are asymmetric to each other with respect to a center axis extending in the direction.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: May 4, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Jun, Hwan-hee Jeong, Kicheol Kim, Jaehyun Lee, Hyun-wook Cho
  • Patent number: 10997932
    Abstract: A method for driving a pixel matrix is provided, and the pixel matrix includes multiple sub-pixels arranged in a matrix. Voltages applied along any one of data lines change in polarity once every four sub-pixels or every two sub-pixels, any one of the data lines controls voltage inputs of sub-pixel respectively connected to two sides thereof or controls voltage inputs of two sub-pixels both connected to one side thereof. The method includes: receiving an image data and acquiring original pixel data according to the image data; generating a first driving voltage and a second driving voltage according to the original pixel data; and loading the first driving voltage or the second driving voltage to the pixel matrix along any one of the data lines. The invention also provides a display device corresponding to the method. The invention can avoid crosstalk, bright dark lines and improve display effect.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: May 4, 2021
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Zhuo Li, Yuan-Liang Wu, Haiyan Kang, Yusheng Huang, Yuyeh Chen
  • Patent number: 10990236
    Abstract: The disclosure provides methods and apparatuses for detecting two-touch events with a five-wire resistive touch sensor comprising an active layer and a sensing layer. The methods include, while a first voltage gradient is generated across an active layer of the sensor, measuring a first voltage of a sensing layer electrode and a current across the sensor. The methods further include, while the second voltage gradient is generated across the active layer, measuring a second voltage of the sensing layer electrode and a second current across the sensor. The first and second currents are compared to a respective threshold. A two-touch event is detected based on the comparison.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: April 27, 2021
    Assignee: 1004335 ONTARIO INC.
    Inventors: Albert M. David, Robert Donald McCulloch, Guy Michael Amyon Farquharson Duxbury, Gueorgui Pavlov
  • Patent number: 10991302
    Abstract: A display device according to the present disclosure comprises a substrate including a display area and a non-display area, pixel circuits each including at least one n-type transistor and at least one p-type transistor and arranged in the display area, and a gate driving circuit included in the non-display area and outputting a first scan signal for applying a data voltage to driving transistors of the pixel circuits for an initialization time and a second scan signal that represents a same logic voltage as the first scan signal for the initialization time and represents a logic voltage reverse to the first scan signal for a sampling time. A first scan signal generator and a second scan signal generator are integrated using nodes Q/QB of a logic circuit to reduce a bezel size.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: April 27, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hae-Jun Park, Tae-Keun Lee, Min-Su Kim, Se-Hwan Kim, Young-Taek Hong
  • Patent number: 10983605
    Abstract: A hand-held controller and a positional reference device for determining the position and orientation of the hand-held controller within a three-dimensional volume relative to the location of the positional reference device. An input/output subsystem in conjunction with processing and memory subsystems can receive a reference image data captured by a beacon sensing device combined with inertial measurement information from inertial measurement units within the hand-held controller. The position and orientation of the hand-held controller can be computed based on the linear distance between a pair of beacons on the positional reference device and the reference image data and the inertial measurement information.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: April 20, 2021
    Assignee: Marbl Limited
    Inventor: Matthew G. Fonken
  • Patent number: 10985221
    Abstract: Disclosed is a display device capable of reducing moisture permeation, wherein the display device includes a display module including a display area for displaying an image, a non-display area that does not display the image, and a bending portion in the non-display area, the bending portion of the display module configured to bend, and a polarizing film disposed on the display module including a first recess portion at a first side of the polarizing film, the first recess portion indented away from the first side of the polarizing film towards the display area and non-overlapping with the bending portion of the display module to expose the bending portion of the display module.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventor: Yonghee Kim
  • Patent number: 10984715
    Abstract: A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: April 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Toshihiro Sato, Yoshiyuki Kaneko
  • Patent number: 10969956
    Abstract: A smart desk having one or more touch displays is provided. The smart desk can be programmed with one or more touch or touchless gestures for executing computer commands or manipulating content displayed on the one or more touch displays. Touchless gestures can be executed by the smart desk by tracking a user's movements with a motion sensor. The touch gestures can instruct the smart desk to transfer content between the one or more touch displays, expand content on the one or more touch displays, close a tab or a window, minimize a window, and/or switch between applications. The touchless gestures can include copy, paste, scroll, screen shot, page turn, and/or zoom in or out.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 6, 2021
    Assignee: Cemtrex Inc.
    Inventors: Saagar Govil, Joe Novelli, Ankeet Ghosh
  • Patent number: 10971569
    Abstract: Disclosed herein is a display apparatus, including, a panel having a plurality of pixels disposed in a matrix and each including a self-luminous element for emitting light, the panel including first to third conductive layers laminated in order on a supporting substrate, a first contact portion between the first and second conductive layers and a second contact portion between the second and third conductive layers being disposed at the same position in a planar direction.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: April 6, 2021
    Assignee: Sony Corporation
    Inventors: Keisuke Omoto, Masatsugu Tomida
  • Patent number: 10964264
    Abstract: An electroluminescent display panel including a pixel driving circuit that includes a light-emitting element, a first capacitor connected to a first node and a second node, a second capacitor connected to the second node and a high potential voltage line, a driving transistor supplying electric current to the light-emitting element, a first switching circuit controlled by a first scan signal and turned on during the sampling period to compensate for a time-varying characteristic of the driving transistor, a second switching circuit controlled by a second scan signal and turned on during the programming period to apply a data voltage to the second node, and a light emission control circuit controlled by an emission signal and turned on during the initialization period and the emission period to apply the high potential voltage to the driving transistor.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: March 30, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Jung Chul Kim
  • Patent number: 10964255
    Abstract: In one or more embodiments, one or more systems, methods, and/or processes may determine first multiple brightness settings of pixels of a display; may determine an angle of an observation point with respect to a position associated with the display; may determine second multiple brightness settings of the pixels of the display based at least on the first multiple brightness settings and the angle of the observation point; and may display, via the display, an image utilizing the second multiple brightness settings. In one or more embodiments, the one or more systems, methods, and/or processes may further receive information from a tracking device.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: March 30, 2021
    Assignee: Dell Products L.P.
    Inventors: Stefan Peana, Mitch Anthony Markow, Deeder M. Aurongzeb
  • Patent number: 10955943
    Abstract: Embodiments enable forming a friction modified touch sensitive surface on a touch screen panel. In particular, the touch sensitive surface is augmented with two friction modifying materials that are interspersed with one another according to a predetermined pattern on the surface of the touch screen panel as a monomolecular layer. In an embodiment, The materials have indices of refraction that differ from each other by more than 0.10. In another embodiment, the materials have a kinetic coefficient of friction in one or the other range, respectively, of between 0.01 and 0.05, or between 0.06 and 0.1, said kinetic coefficients of friction being measured against printing paper that has a kinetic coefficient of friction of 0.17 with itself. In another embodiment, the materials have a water contact angle of greater than 90 degrees, and an oil contact angle of greater than 30 degrees as measured with n-hexadecane.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: March 23, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Timothy Andrew Large, Siyuan Ma, Neil Emerton
  • Patent number: 10949046
    Abstract: A pressure sensor including: a first conductor; a second conductor spaced apart from the first conductor, and positioned so as to form a capacitance with the first conductor; and an elastic member positioned between the first conductor and the second conductor, in which the capacitance varies according to a pressure applied to one or more of the first conductor and the second conductor, and the first conductor has a shape different from that of the second conductor.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: March 16, 2021
    Inventors: Kyung Su Lee, Jun Young Ko, Yeon Tae Kim, Eun Sol Seo, Jin Young Jeon, In Young Han