Display Driving Control Circuitry Patents (Class 345/204)
  • Patent number: 11277160
    Abstract: Technologies for dynamic wireless noise mitigation include a computing device having a wireless modem and one or more antennas. The computing device activates one or more components of the computing device, monitors platform activity, and measures wireless noise received by the antennas. The computing device trains a noise prediction model based on the platform activity and the measured noise. The computing device may monitor platform activity and predict a noise prediction with the noise prediction model based on the monitored activity. The computing device may mitigate wireless noise received by the wireless antennas based on the noise prediction. The computing device may provide the noise prediction to the wireless modem. Other embodiments are described and claimed.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: March 15, 2022
    Assignee: Intel Corporation
    Inventors: Shahrnaz Azizi, Vinod Kristem, Jie Gao, Eduardo Alban, Kae-an Liu, Janardhan Koratikere Narayan, Xintian Lin, Ulun Karacaoglu, Atsuo Kuwahara, Timothy F. Cox, Vallabhajosyula Srinivasa Somayazulu, Maruti Gupta Hyde
  • Patent number: 11270659
    Abstract: A liquid crystal display apparatus includes: a liquid crystal display panel having a first substrate, a second substrate, and a vertical alignment type liquid crystal layer; and a control circuit configured to generate a display signal voltage. The first substrate has pixel electrodes to which the display signal voltage is applied, and a first alignment film. The second substrate has a counter electrode to which a common voltage is applied, and a second alignment film. Each pixel has liquid crystal domains having different reference alignment directions defined by the first and second alignment films. The pixel electrode has slits. The control circuit is configured to generate, as the display signal voltage, a voltage obtained by adding a predetermined offset voltage to an original voltage corresponding to a gray level. The offset voltage is substantially the same for gray levels higher than or equal to a predetermined intermediate gray level.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 8, 2022
    Assignees: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHA
    Inventors: Ichiro Takada, Kentaroh Irie, Mitsuaki Hirata, Fumikazu Shimoshikiryoh
  • Patent number: 11271070
    Abstract: One embodiment of the present invention provides a highly reliable display device. In particular, a display device to which a signal or a power supply potential can be supplied stably is provided. Further, a bendable display device to which a signal or a power supply potential can be supplied stably is provided. The display device includes, over a flexible substrate, a display portion, a plurality of connection terminals to which a signal from an outside can be input, and a plurality of wirings. One of the plurality of wirings electrically connects one of the plurality of connection terminals to the display portion. The one of the plurality of wirings includes a first portion including a plurality of separate lines and a second portion in which the plurality of lines converge.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: March 8, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kensuke Yoshizumi
  • Patent number: 11271014
    Abstract: A photosensitive device comprising a first oxide thin film transistor and a second oxide thin film transistor. Wherein, a drain of the first oxide thin film transistor is electrically connected to a gate of the second oxide thin film transistor. The photosensitive device according to the present application adopts oxide thin film transistors arranged in a plurality of layers, which greatly improves the response amplitude to ambient light and breaks through the limitations of the single thin film transistor's low light response which makes it impossible to be used as a visible light detecting component. Therefore, the photosensitive device according to the present application can realize detection of ambient light and can expand the scope in which it can be applied.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: March 8, 2022
    Inventors: Macai Lu, Nian Liu
  • Patent number: 11267793
    Abstract: Methods and systems are disclosed relating to a lens system that allows for simultaneous focus of near and far-away images with one pair of glasses, heads-up-displays (HUDs), and the like, without the need to move the user's eyes. This lens system may be used in a HUD application, for example, where the user may focus on a display lens that may be approximately one inch from the eye to view computer-generated information such as altitude, temperature, directions, and the like, and simultaneously view the individual's surroundings. The lens system may include a liquid lens that when modulated may vary from a near-focus state to a far-focus state rapidly by using an electrowetting or piezoelectric hydraulic actuator. This variable rate lens may be multiplexed at a rate that allows both near and far-away images to appear in focus simultaneously through the advantageous use of a user's persistence of vision.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: March 8, 2022
    Assignee: Valve Corporation
    Inventor: Benjamin David Krasnow
  • Patent number: 11270644
    Abstract: A pixel driving circuit in each of the pixels includes: a first switching circuit that is turned on in response to the (n?2)th scan signal to provide a V1 voltage to a first node, provide a V3 voltage to a third node, and provide a V2 voltage to an anode of the light-emitting element; a second switching circuit turned on in response to the nth scan signal to electrically connect the first node to a second node, provide a V5 voltage to the third node, and provide a data voltage to a fourth node; and an emission control circuit turned on in response to the nth emission signal to electrically connect a second node to the anode and provide a reference voltage to the fourth node.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 8, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: Sung Wook Chang
  • Patent number: 11270095
    Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 8, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
  • Patent number: 11271049
    Abstract: The present disclosure provides an array substrate, a preparation method thereof and a related device. The array substrate includes a plurality of sub-pixel areas, each of the plurality of sub-pixel areas includes a pixel drive circuit and a photo compensation circuit arranged above a substrate, the pixel drive circuit includes a pixel storage capacitor coupled with a drive transistor, and the photo compensation circuit includes a photosensitive storage capacitor coupled with a photosensitive device; and the pixel storage capacitor and the photosensitive storage capacitor are arranged in a laminated manner, and the pixel storage capacitor and the photosensitive storage capacitor share a same electrode plate.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 11272149
    Abstract: The luminance atmosphere that the creator intends is excellently reproduced on the receiving end. The transmission video data is obtained by applying a predetermined opto-electrical transfer function to the input video data. The transmission video data is transmitted together with the luminance conversion acceptable range information about a set region in the screen. For example, a transmitting unit transmits a video stream obtained by encoding the transmission video data while inserting the luminance conversion acceptable range information into a layer of the video stream. The receiving end obtains display video data by applying an electro-optical transfer function corresponding to the predetermined opto-electrical transfer function to the transmission video data, and performing a luminance conversion process in each of the set regions independently in accordance with the luminance conversion acceptable range information.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 8, 2022
    Assignee: SONY CORPORATION
    Inventor: Ikuo Tsukagoshi
  • Patent number: 11270636
    Abstract: A pixel circuit and a driving method are provided. The pixel circuit includes a switching transistor, a driving transistor, a storage capacitor, a light emitting device, and a reset module. The reset module is configured to output a reset signal to a gate of the driving transistor according to a reset control signal in a reset signal writing and reset stage, to neutralize bias stress on the driving transistor in a data signal writing and light emitting stage. This suppresses further drift of a threshold voltage and ensures stability of light emitting brightness of a light emitting device.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 8, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Longqiang Shi
  • Patent number: 11269902
    Abstract: This application discloses a time series data management method, device, and apparatus. A device receives a data query request, wherein the data query request includes an identifier of the first object. The device obtains first time series data corresponding to the first object in a target data table according to the identifier of the first object. The device determines a second storage location that is in a location index table and that is stored in a first storage location corresponding to the first object. Further, the device obtains second time series data of the first object and a third storage location corresponding to the second time series data that are stored in the second storage location, The device also obtains other time series data corresponding to the first object according to the third storage location.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 8, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weijie Ou, Zhibiao Chen
  • Patent number: 11270645
    Abstract: The present disclosure provides an organic light emitting display device capable of sensing changes in characteristics due to a heat of an analogue-to-digital converting portion to convert sensing voltages corresponding to the threshold values into digital values with the threshold voltages when the threshold voltages of the driving transistors of an organic light emitting display panel are sensed in each horizontal line unit.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: March 8, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mangyu Park, Zonggun Oh, Miso Kim
  • Patent number: 11263969
    Abstract: A pixel circuit, a parameter detection method, a display panel and a display device are provided. The pixel circuit includes a data writing-in circuit, a driving circuit, a reset control circuit, a detection control circuit, and a light emitting element. The detection control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the sensing line under the control of a detection control signal provided by the detection control line. The reset control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the second electrode of the light emitting element under the control of a reset control signal provided by the reset control line.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fei Yang, Song Meng, Xiaolong Wei
  • Patent number: 11263979
    Abstract: The present invention provides a method of driving a display panel and a driving device. The present invention determines sub-pixels shared by sub-pixel rendering technology through comparing differences of the color components, and the sub-pixels shared by the display image are not fixed. Since the sub-pixels with the smallest absolute value of the color component difference are selected for sharing, a contrast of an edge region of an image is improved, and distortion of an edge region of an image is reduced.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: March 1, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bo Yang
  • Patent number: 11263958
    Abstract: A pixel driving circuit and a driving method thereof, a display panel and a display device are provided. A second light emitting control device controls, in a case that a first light emitting control device controls a floating signal to be transmitted to a gate of a drive transistor for a first predetermined time period, a driving current to be transmitted to a light emitting element, and the light emitting element can emit light. In this way, the light emitting element can be driven to emit light after a fluctuation period of a voltage of the gate of the drive transistor during which the floating signal is initially inputted to the gate of the drive transistor is passed, improving the stability of the pixel driving circuit in driving the light emitting element.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: March 1, 2022
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yingteng Zhai, Chenhang Sheng
  • Patent number: 11257457
    Abstract: A display device operating at high speed is provided. The display device includes a pixel provided with a first memory circuit, a second memory circuit, and a display unit, in which the first memory circuit and the second memory circuit are electrically connected to one electrode of the display unit. The operation of the display device includes a first period of writing first image data to the first memory circuit and writing second image data to the second memory circuit, a second period of supplying a first potential to the first memory circuit, a third period of displaying a first image corresponding to the first image data, a fourth period of setting a potential of the one electrode of the display unit to a second potential, a fifth period of supplying the first potential to the second memory circuit, and a sixth period of displaying a second image corresponding to the second image data.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: February 22, 2022
    Inventors: Susumu Kawashima, Kouhei Toyotaka, Koji Kusunoki, Kei Takahashi, Kentaro Hayashi
  • Patent number: 11257881
    Abstract: The present invention provides a pixel arrangement structure, a vapor deposition mask and an irregular-shaped display screen. The pixel arrangement structure is used for irregular-shaped display of an irregular-shaped display screen, the pixel arrangement structure is provided with several rows and/or several columns of pixel display units, wherein neighboring rows and/or neighboring columns of the pixel display units are arranged in parallel within an irregular-shaped display region (105). By arranging the pixel display units within the irregular-shaped display region (105) in such a way that the neighboring rows and/or neighboring columns of the pixel display units are parallel rows or columns, a confusion phenomenon at the interface between an irregular-shaped display region (105) and a non-display region (107) on an edge of the irregular-shaped display region (105) can be eliminated.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: February 22, 2022
    Assignees: Kunshan New Flat Panel Display Technology Center Co., Ltd., Kunshan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Wang Zhixiang, Hu Siming, Zhang Tingting, Zhu Hui
  • Patent number: 11257860
    Abstract: A micro LED display panel includes a display area, a plurality of micro light-emitting elements and a plurality of micro control elements. The plurality of micro light-emitting elements is disposed in the display area and include a plurality of first color micro LEDs and a plurality of second color micro LEDs. A light wavelength of each of the first color micro LEDs is different from a light wavelength of each of the second color micro LEDs. The plurality of micro control elements is disposed in the display area, and include a plurality of first color micro circuit-chips and a plurality of second color micro circuit-chips. The plurality of first color micro circuit-chips control the plurality of first color micro LEDs, and the plurality of second color micro circuit-chips control the plurality of second color micro LEDs.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: February 22, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Ying-Tsang Liu, Yu-Chu Li, Tzu-Yang Lin, Yu-Hung Lai
  • Patent number: 11257446
    Abstract: A plurality of pieces of serial data are supplied to a liquid crystal display device from an outside. An SI signal selection circuit switches processing target data to be captured between one piece of serial data included in the plurality of pieces of serial data and the plurality of pieces of serial data in accordance with a serial data selection signal. The processing target data captured by the SI signal selection circuit is converted into parallel data by a data conversion circuit. In accordance with one clock pulse of a serial clock, serial-parallel conversion processing is performed in parallel on a plurality pieces of serial data.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: February 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takahiro Yamaguchi, Shuji Nishi, Shige Furuta, Hiroyuki Adachi, Nami Nagira
  • Patent number: 11249595
    Abstract: Provided are a shift register unit of a gate driving circuit (GOA), a gate driving circuit and a driving method. The shift register unit includes an input sub-circuit, configured to output an input signal to a first node; a pull-up control sub-circuit, configured to charge a pull-up node through a first power supply terminal under the control of a potential of the first node; an output sub-circuit, configured to output a clock signal of a clock signal terminal to an output terminal under the control of a potential of the pull-up node; a first touch control sub-circuit configured to pull down levels of the pull-up node and the output terminal to a second potential through the second power supply terminal under the control of a touch control keeping signal of the touch control keeping signal terminal.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: February 15, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Xue, Silin Feng, Zhifu Dong
  • Patent number: 11249365
    Abstract: Various embodiments set forth liquid crystal (LC) patterning control systems in which LCs are aligned using locally applied magnetic fields. The index of refraction experienced by light propagating through an anisotropic LC is dependent on orientation. As a result, a phase difference may be imparted to an optical beam that is passed through, or reflected from, an array of LCs whose orientations are controlled via locally applied magnetic fields. In some embodiments, the locally applied magnetic fields may be generated by driving currents through wires that intersect at micro or nanomagnetic particles or at magnetic domains, or by applying voltages to micro or nanocoils wrapped around high-permeability cores, among other things.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: February 15, 2022
    Assignee: FACEBOOK TECHNOLOGIES, LLC
    Inventors: Erik Shipton, Oleg Yaroshchuk
  • Patent number: 11250796
    Abstract: A display driving circuit and a liquid crystal display panel are provided. The display driving circuit includes: a control board used to provide a control signal; a plurality of display chips electrically connected to the control board and providing a driving signal according to the control signal; a plurality of equalizing resistors corresponding to the display chips, wherein an end of the equalizing resistors is connected to the control board, and other end of the equalizing resistors is connected to the display chips, and they are used to equalize an impedance the display driving circuit; a plurality of fan-out routes, wherein each of the fan-out routes is connected to the two adjacent display chips; and a pixel bus connected to the plurality of fan-out routes and used to transmit the driving signal to each of pixel units. The present disclosure effectively improves display effect by that mentioned above.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 15, 2022
    Assignee: SHENZEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Daijin Liu
  • Patent number: 11244594
    Abstract: The present application discloses a gate driver control circuit including an encoder configured to encode instruction information to obtain a coded instruction and to transmit the coded instruction. The gate driver control circuit further includes a decoder coupled to the encoder and configured to decode the coded instruction to obtain the instruction information. Additionally, the gate driver circuit includes at least one multiplexer coupled to the decoder. Each multiplexer is configured to receive a first set of multiple timing-control signals and the instruction information, to adjust the first set of multiple timing-control signals to a second set of multiple timing-control signals based on the instruction information, and to output the second set of multiple timing-control signals. The gate driver control circuit further includes at least one gate-array sub-circuit.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 8, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Hsinchung Lo, Ming Chen, Jieqiong Wang
  • Patent number: 11244134
    Abstract: Provided are a display panel and display device. The display panel includes a display region and a border region. The border region is provided with a display cascade scanning circuit and a fingerprint-identification cascade scanning circuit. The display region is provided with multiple display scanning lines and multiple fingerprint scanning lines. The display cascade scanning circuit is electrically connected to the multiple display scanning lines and configured to output display scanning signals to the multiple display scanning lines respectively. The fingerprint-identification cascade scanning circuit is electrically connected to the multiple fingerprint scanning lines and configured to generate and output fingerprint scanning signals to the multiple fingerprint scanning lines respectively.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: February 8, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiai Xu, Xiaoxiao Wu, Bozhi Liu, Min Huang
  • Patent number: 11244598
    Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: February 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Can Zhang, Can Wang, Ming Yang, Ning Cong
  • Patent number: 11238769
    Abstract: The present disclosure provides a shift register unit, including an input sub-circuitry, a pull-up node control sub-circuitry, a pull-down node control sub-circuitry, a gate driving output sub-circuitry and a carry signal output sub-circuitry. The input sub-circuitry is connected to an input end, a second clock signal input end and a pull-up node. The pull-up node control sub-circuitry is connected to the pull-up node, a pull-down node, a first clock signal input end and a first voltage input end. The pull-down node control sub-circuitry is connected to the pull-down node, the pull-up node, the first clock signal input end, the first voltage input end and a second voltage input end.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: February 1, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Wang, Hongmin Li, Dong Wang, Fengjing Tang
  • Patent number: 11238803
    Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: February 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Tieshi Wang, Zhiqiang Xu, Shengnan Li, Wanpeng Teng, Chunfang Zhang, Xiaolong Li, Wei Qin, Kai Guo, Kuanjun Peng
  • Patent number: 11239436
    Abstract: Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: February 1, 2022
    Assignee: JOLED INC.
    Inventors: Tetsuo Minami, Katsuhide Uchino
  • Patent number: 11231617
    Abstract: A backlight unit includes a central area and a peripheral area disposed outside the central area, the backlight unit includes a bottom chassis, a plurality of light sources disposed on a surface of the bottom chassis, a reflective layer disposed on the surface of the bottom chassis, where a plurality of light source insertion holes and a plurality of opening patterns are defined through the reflective layer, and a light correction material layer disposed between the bottom chassis and the reflective layer in the peripheral area, where the light source insertion holes expose the light sources, respectively, and the opening patterns are disposed in the peripheral area to expose at least a portion of the light correction material layer in a thickness direction.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Eun Nam, Do Hun Kim, Ju Youn Son, Young Keun Lee
  • Patent number: 11234127
    Abstract: A non-transitory computer readable medium contains computer readable codes as a program to execute a method of a mobile device configured to generate an object image from an object disposed to face the mobile device, the method including sensing a motion of the mobile device by using a sensor in a motion detection process, activating a user identification process of photographing the object to generate the object image and determining that the object image represents an authorized user, in response to the sensed motion of the mobile device, and unlocking the mobile device to access a normal mode of the mobile device according to a password input in a security check process of a security mode or according to the determination of the user identification process.
    Type: Grant
    Filed: November 9, 2019
    Date of Patent: January 25, 2022
    Inventor: Seungman Kim
  • Patent number: 11232745
    Abstract: A flat-panel display device and method to unify response times for all possible grey level transitions in a flat-panel display or an augmented reality display. A pixel drive compensator compares the current frame from a graphics processing unit and two previous frames to compensate for grey-level changes at a pixel level.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: January 25, 2022
    Assignee: APPLE INC.
    Inventors: Aaron L. Holsteen, Xiaokai Li
  • Patent number: 11233104
    Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Ho Park, Yeon Hong Kim, Jin Yeong Kim, Jin Taek Kim, Soo hyun Moon, Mi Jin Park, Tae Hoon Yang, Sung-Jin Lee, Jin Woo Lee, Kwang Taek Hong
  • Patent number: 11233999
    Abstract: A method implemented in a Virtual or Augmented Reality (VR/AR) system having a display device (112) associated with a user (110) and a central control device (116) involves capturing a video feed from a camera (126) associated with the user (110) or the display device (112), the video feed recording changes in the position of the user (110) in a physical space, compressing the video feed from the camera (126), and transmitting the compressed video feed to the central control device (116) to enable the central control device (116) to determine movement of the user (110) within the physical space.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 25, 2022
    Assignee: DISPLAYLINK (UK) LIMITED
    Inventor: Richard Akester
  • Patent number: 11227550
    Abstract: An electronic panel, a display device, and a driving method are disclosed. In the electronic panel, each sub-pixel unit includes a light emitting unit, a pixel driving circuit for driving the light emitting unit to emit light, and a sensing circuit for sensing the pixel driving circuit; the gate driving circuit includes N+1 output terminals, and is configured to output gate scanning signals that turn on the N rows of the plurality of sub-pixel units row by row; the pixel driving circuits of the sub-pixel units in a j-th row are connected to a j-th output terminal of the gate driving circuit to receive the gate scanning signal as a scanning driving signal, and the sensing circuits of the sub-pixel units in the j-th row are connected to a (j+1)-th output terminal of the gate driving circuit to receive the gate scanning signal as a sensing driving signal.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: January 18, 2022
    Assignees: HEFEI BOEJO INTTECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li, Zhidong Yuan, Can Yuan
  • Patent number: 11227527
    Abstract: A display panel and a display device are disclosed. The display panel includes a number of sub-pixels formed in a display region. Each sub-pixel includes a light-emitting unit and a drive switch. Each light-emitting unit includes a first electrode, and the drive switch is electrically connected to the first electrode. The light-emitting units in the multiple sub-pixels form a pixel array including a number of pixel columns, and light-emitting units in at least one pixel column of the pixel array correspond to sub-pixels of at least two different colors. The drive switches in the multiple sub-pixels form a drive array including a number of drive columns. The drive array includes two drive columns in which, the drive switches electrically connected to light-emitting units of a same color are connected to a same data line.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: January 18, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventor: Jianlong Wu
  • Patent number: 11223797
    Abstract: A video device includes at least one of an input connector and an output connector connectible with a video-signal cable, wherein the input connector is connected to a first resistor coupled with a predetermined potential and oppositely connected to a first signal line of the video-signal cable connected to a second resistor of a second video device, and wherein the output connector is connected to a third resistor coupled with a ground potential and oppositely connected to a second signal line of the video-signal cable connected to a fourth resistor of a third video device; and a connection determination part configured to determine a normal connection of the video-signal cable connected to the input connector based on a potential of the first signal line or to determine a normal connection of the video-signal cable connected to the output connector based on a potential of the second signal line.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: January 11, 2022
    Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Nobutaka Yamamoto
  • Patent number: 11222572
    Abstract: Disclosed is a driving apparatus for a display, which drives pixels using a double rate driving (DRD) method. The driving apparatus includes a first latch circuit storing first pixel data, a second latch circuit storing second pixel data, a first selection circuit selecting one of the first pixel data and the second pixel data and outputting selection data, and a second selection circuit selecting one of the selection data of a pair of adjacent first selection units and outputting source data.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: January 11, 2022
    Assignee: Silicon Works Co., Ltd.
    Inventors: Hyun Woo Jeong, Young Uk Chang, Ju Ho Lee
  • Patent number: 11215860
    Abstract: A display panel and a touch display device are provided. The display panel includes a thin film transistor substrate, a planarization layer, and a through hole. The through hole exposes a source/drain electrode of the thin film transistor substrate. A first intermediate layer, a metal wire layer, a second intermediate layer, a first common electrode layer, a first passivation layer, and a first pixel electrode layer are stacked on each other and arranged corresponding to the source/drain electrode at one side of the through hole. A second common electrode layer, a second passivation layer, and a second pixel electrode layer are stacked on each other at another side of the through hole. The first common electrode layer is electrically connected to the metal wire layer, and the first pixel electrode layer is electrically connected to the second pixel electrode layer through and along the through hole.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: January 4, 2022
    Inventor: Bangrong Li
  • Patent number: 11217143
    Abstract: A display device includes a substrate, gate lines, a driving circuit, and auxiliary gate lines. The substrate has a display area. The gate lines are disposed on the display area, and are in parallel with a first edge of the display area. The gate lines include a first gate line which is farthest from the first edge. The driving circuit is disposed adjacent to the first edge. The auxiliary gate lines substantially perpendicular to the gate lines are connected to the gate lines, and are in parallel with a second edge of the display area. The auxiliary gate lines include a first auxiliary gate line and at least one auxiliary gate line. The first auxiliary gate line is configured to connect the first gate line to the driving circuit. The at least one auxiliary gate line is disposed between the second edge and the first auxiliary gate line.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 4, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Shih-Wei Lin, Chen-Yi Wu
  • Patent number: 11211007
    Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: December 28, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Detao Zhao
  • Patent number: 11211022
    Abstract: The present application provides a GOA circuit, a GOA circuit driving method, a GOA driving circuit and a display device, the GOA circuit includes: a front-end GOA circuit, which is connected to a connection signal input terminal, a reset signal terminal, a first power supply voltage terminal, and a second power supply voltage terminal, a third power supply voltage terminal, a clock signal terminal, and a front-end output terminal, and is configured to output a clock signal at the clock signal terminal to the front-end output terminal when an input signal at the signal input terminal is at an active input level; and a repair circuit, which is connected to the front-end output terminal, a frame start signal, the first power supply voltage terminal, and an output terminal of the GOA circuit.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: December 28, 2021
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Xin Xiong, Xiong Xiong, Hengzhen Liang, Rongcheng Liu
  • Patent number: 11211023
    Abstract: A display method of a display device and the display device are provided. The display method includes: acquiring an abnormality of signal of a front-end system; outputting a normal timing signal and a specified data signal to a display panel, until an end of a current frame.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: December 28, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Siqing Fu, Xinghong Liu, Xu Lu, Shuai Hou
  • Patent number: 11212382
    Abstract: A mobile device includes a photographing unit to photograph an object to generate an object image, a display unit having a panel to display a screen, a sensor configured to sense a motion of the mobile device, and a control unit configured to unlock the mobile device to access the normal mode according to either one of a first unlocking process using a password and a second unlocking process using the sensed motion and the object image in response to the sensed motion.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: December 28, 2021
    Inventor: Seungman Kim
  • Patent number: 11211002
    Abstract: An electrooptical device and apparatus are disclosed. In one example, an electrooptical device includes a scanning line, a signal line, a feed line to which a low potential is supplied, a pixel circuit, a drive circuit for driving the pixel circuit, a level shift block connected to the signal line, a first capacitor on the level shift block, and a second capacitor formed by a parasitic capacitance between the signal line and the feed line. A video signal voltage is written into the pixel circuit by capacitive coupling between the first capacitor and the second capacitor. The signal line is formed of a first metal layer. The feed line is formed of a second metal layer that is approximately equal in width to the first metal layer. The first metal layer and the second metal layer form the first capacitor and the second capacitor.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: December 28, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Naobumi Toyomura
  • Patent number: 11205372
    Abstract: A source driving circuit includes a buffer amplifier configured to generate a driving signal from an original driving signal. The buffer amplifier includes a first amplifier and a second amplifier. A high-level terminal of the first amplifier is coupled to the first power signal terminal, a low-level terminal is coupled to the second power signal terminal, and an output terminal is configured to output a positive polarity driving signal. A high-level terminal of the second amplifier is coupled to the third power signal terminal, a low-level terminal is coupled to the fourth power signal terminal, and an output terminal is configured to output a negative polarity driving signal. The voltage of the second power signal terminal is less than the voltage of the third power signal terminal.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: December 21, 2021
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Yang, Chinghua Hung, Rui Liu, Wei Sun, Ming Chen, Qibing Gu, Xiangyi Chen
  • Patent number: 11205396
    Abstract: The present disclosure provides a display panel, a method for driving the display panel, and a display device. In embodiments of the present disclosure, the display panel includes a display area, where pixels arranged in an array are arranged in the display area, each pixel includes a plurality of sub-pixels, and at least some sub-pixels among the sub-pixels included in each pixel have different colors. The driving method includes: driving, polarities of display signals inputted to some sub-pixels among the sub-pixels having the same color in at least one row of sub-pixels to be different.
    Type: Grant
    Filed: December 8, 2019
    Date of Patent: December 21, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhiwei Zheng, Zhijie Wang, Jiaqian Wu
  • Patent number: 11204624
    Abstract: An electronic device is provided, which includes a first housing, a second housing, a hinge structure, a flexible display configured to form a front surface of the first housing and the second housing while the electronic device is in an unfolded state, a first support member disposed between the flexible display and the first housing, a first bimetal member disposed between the flexible display and the first support member, a first magnet disposed between the flexible display and the first bimetal member, and a second magnet disposed between the flexible display and the second housing. The first bimetal member has a first length at a first temperature and a second length longer than the first length at a second temperature higher than the first temperature. The first support member has a reception space having a length greater than or equal to the first length and less than the second length that provides space for the first bimetal member to bend at the second temperature.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 21, 2021
    Inventors: Woosik Cho, Taewon Kim
  • Patent number: 11199707
    Abstract: A head-mounted display device including a display panel including a planar portion and a curved portion extending from the planar portion, a controller to provide, to the display panel, a data signal representing an image to be displayed on the planar portion and the curved portion, and a case part on which the display panel is mounted, in which the controller is configured to provide a data signal representing an image that is reduced at a predetermined ratio to the curved portion, as compared with the planar portion.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: December 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongyong Shin, Jang-Youp Shim
  • Patent number: 11200852
    Abstract: Provided herein may be a display device, which may include a display panel including a pixel column having a first pixel and a second pixel, a first data line coupled to the first pixel, and a second data line coupled to the second pixel, a data driver configured to output a data signal for the pixel column to an output line, a signal distribution circuit configured to receive the data signal through the output line, and to alternately transmit the data signal to the first data line and to the second data line, and a signal transmission circuit coupled between the data driver and the output line, and configured to transmit the data signal to the output line during a first period and a second period, and to block transmission of the data signal during a third period that is between the first period and the second period.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Kwon Shin, Bong Ho Bae, Chong Guk Lee, Myeong Bin Lim, Hyun Ho Lim, Se Hui Jang
  • Patent number: 11201123
    Abstract: A substrate structure includes a glass substrate, a first circuit layer, a second circuit layer, and at least one conductive region. The glass substrate has a first surface and a second surface opposing the first surface. The first circuit layer is disposed on the first surface. The second circuit layer is disposed on the second surface. The conductive region includes a plurality of conductive micro vias. The conductive micro vias penetrate through the glass substrate. The conductive micro vias are electrically connected to the first circuit layer and the second circuit layer, and the conductive micro vias have a via size of 2 ?m to 10 ?m.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 14, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Chun-Hsien Chien, Po-Chen Lin, Wen-Liang Yeh, Chien-Chou Chen