Patents Examined by Sejoon Ahn
  • Patent number: 11508280
    Abstract: An operational amplifier has a first input terminal and an output terminal connected to a second input terminal of the operational amplifier, and output nodes connected to the source lines of a display panel. During a failure inspection mode, the connection between the output node and the output terminal of the operational amplifier included in another output circuit among one output circuit and the other output circuit is disconnected and the output node instead of the output terminal is connected to the second input terminal of the operational amplifier. A pair of source lines connected to the output nodes of the one output circuit and the other output circuit are linked to each other, and signals attained by acquiring and binarizing voltages outputted from the operational amplifier in the other output circuit as a monitor voltage at different timings are acquired as first and second failure determination signals.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: November 22, 2022
    Assignee: LAPIS TECHNOLOGY CO., LTD.
    Inventor: Hiroyoshi Ichikura
  • Patent number: 11507213
    Abstract: A touch display device includes a substrate, a plurality of scan lines, a plurality of thin film transistors and a plurality of touch electrodes. The scan lines and the thin film transistors are disposed on the substrate, and each of the thin film transistors is electrically connected to a corresponding scan line of the scan lines. The scan lines include a first scan line. The touch electrodes are disposed on the substrate, the touch electrodes include a first touch electrode and a second touch electrode, the first touch electrode is adjacent to the second touch electrode, the first scan line is disposed between the first touch electrode and the second touch electrode, and the first scan line is partially covered by the first touch electrode.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: November 22, 2022
    Assignee: HANNSTAR DISPLAY CORPORATION
    Inventors: I-Hsuan Chen, Mu-Kai Kang, Cheng-Yen Yeh
  • Patent number: 11501677
    Abstract: The present application provides a display module, a driving method thereof, and a display device. The display module comprises: a display panel comprising at least two display areas; a detection module configured to detect a fold state of the display panel; and a driving chip module comprising one-to-one correspondence with the display area and drive its display drive chip; a gating module configured to control connection or disconnection of a line where the gating module is located; a control platform configured to output control instructions. Alleviate the problem of excessive power consumption in existing folding display devices.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 15, 2022
    Inventors: Zengjian Jin, Fuchih Chang, Qibing Dai
  • Patent number: 11493767
    Abstract: The disclosed projector device may include (1) a first monochromatic emitter array having a plurality of emitters of a first color disposed in a two-dimensional configuration and (2) a second monochromatic emitter array having a plurality of emitters of a second color disposed in a two-dimensional configuration. The first and second monochromatic emitter arrays may be configured to emit images of the first and second colors into a waveguide configuration, and the first color may be different than the second color. Associated display systems and methods are also provided.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: November 8, 2022
    Assignee: Meta Platforms Technologies, LLC
    Inventors: Nicholas Daniel Trail, James Ronald Bonar, Gareth Valentine
  • Patent number: 11488507
    Abstract: The present disclosure provides a power management device, including an initial voltage input terminal, a power management circuit, and a plurality of gamma correction circuits. The initial voltage input terminal is configured to provide an initial voltage; the power management circuit includes at least one follower amplifier sub-circuit, each follower amplifier sub-circuit is configured to output a corresponding target operating voltage according to the initial voltage, a reference voltage, and a target operating voltage setting parameter; and each gamma correction circuit is configured to output a corresponding gamma correction voltage according to the initial voltage, the reference voltage, and a corresponding gamma parameter. The present disclosure further provides a display device.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 1, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Yinlong Zhang, Zhihua Sun, Shulin Yao, Wenpeng Ma, Pengfei Hu, Liangliang Zhao
  • Patent number: 11481067
    Abstract: A shift register unit includes a first pull-up node control circuit, a second pull-up node control circuit, a pull-down node control circuit, an output pull-up circuit and an output pull-down circuit. The first pull-up node control circuit is configured to control a first pull-up node to be electrically connected to a second voltage end under the control of an input signal, and control the first pull-up node to be electrically connected to a first voltage end under the control of a resetting signal. The second pull-up node control circuit is configured to control the second pull-up node to be electrically connected to the second voltage end under the control of the input signal applied to the input end, and control the second pull-up node to be electrically connected to the first voltage end under the control of the resetting signal from the resetting end.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 25, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Qiujie Su
  • Patent number: 11482163
    Abstract: A display device includes scan lines disposed in a first direction; data lines disposed in a second direction substantially perpendicular to the first direction; and unit pixel regions adjacent to the scan lines and the data lines, each unit pixel region including sub-pixels. A portion of an opening region of at least one of the sub-pixels overlaps a unit pixel region adjacent to a unit pixel region corresponding to the at least one of the sub-pixels, and a side of the opening region of the at least one of the sub-pixels extends in a third direction inclined with respect to each of the first direction and the second direction.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Koo Chung, Dong Soo Kim, Taek Ju Jung, Seong Min Kim, Kyung Soo Jang, Kwang Chul Jung, Kyung Hyun Choi
  • Patent number: 11474626
    Abstract: Button functionalities for user interfaces, e.g., for use with a portable multifunction device, are disclosed. Exemplary button functionalities are described for an electronic device with a display, a rotatable and depressible input mechanism, and/or a button. Different device features may be accessed, depending on whether the rotatable and depressible input mechanism or the button is activated, and further depending on whether the activation represents a single press, a double press, or an extended press on the rotatable and depressible input mechanism or the button.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: October 18, 2022
    Assignee: Apple Inc.
    Inventors: Christopher Patrick Foss, Anton M. Davydov, Dylan Ross Edwards, Imran Chaudhri, Alan C. Dye, Jonathan P. Ive, Stephen O. Lemay, Kevin M. Lynch, Lawrence Y. Yang, Dennis S. Park
  • Patent number: 11475816
    Abstract: Disclosed is an image processor of a display device including a segmentation processing module classifying a background and a text of an image signal and outputting a segmentation signal, a class classification processing module outputting a class signal based on the segmentation signal, a memory storing broadcast information signals, a correction processing module correcting an image signal based on the segmentation signal and a broadcast information signal corresponding to the class signal among the broadcast information signals and outputting a correction segmentation signal, and a data signal output module preventing an afterimage of the image signal based on the correction segmentation signal and outputting a data signal.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: October 18, 2022
    Inventors: Yasuhiko Shinkaji, Kazuhiro Matsumoto, Masahiko Takiguchi
  • Patent number: 11467670
    Abstract: An example method of identifying a touch gesture on a user is provided. The method includes receiving, by one or more transducers of a wearable device, a set of signals that establish a signal pathway to the wearable device. The method also includes, while receiving the set of signals, determining baseline characteristics for the signal pathway, and sensing a change in the baseline characteristics caused by user interaction with an affordance of a user interface projected or perceived on the user's appendage. The method further includes, in accordance with a determination that the sensed change in the baseline characteristics satisfies a contact criterion, reporting a candidate touch event on the user's appendage to a separate electronic device that creates the user interface or is in communication with another electronic device that creates the user interface.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: October 11, 2022
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: Sean Jason Keller, Tristan Thomas Trutna, Hrvoje Benko
  • Patent number: 11468815
    Abstract: A display device includes a display panel including a first display region and a second display region surrounding the first display region, where a first pixel having a first size is disposed in the first display region, and a second pixel having a second size is disposed in the second display region, a gate driver which applies a gate signal to a gate line, a data driver which applies a data voltage to a data line, and a timing controller which controls the gate driver and the data driver. The gate line includes a first gate line connected to both the first pixel and the second pixel, and a second gate line connected only to the second pixel. The data line includes a first data line which does not transmit the data voltage to the second pixel connected to the second gate line, and a second data line which transmits the data voltage to the second pixel connected to the second gate line.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sehyuk Park, Hongsoo Kim, Jaekeun Lim, Jinyoung Roh, Hyojin Lee
  • Patent number: 11455929
    Abstract: The present disclosure discloses a driving method and apparatus of a display panel. When the display panel is driven to display a (2k?1)th image, only display data, corresponding to pixels of one row group, in image data of a kth display frame of a plurality of display frames are transmitted to a driver chip in the display panel, and a data size transmitted may be reduced. When the display panel is driven to display a (2k)th image, display data, corresponding to pixels of another row group, in the image data of the kth display frame are transmitted to the driver chip in the display panel, and the data size transmitted may also be reduced.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: September 27, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zhihua Sun, Yinlong Zhang, Senwang Li, Yanping Liao, Xibin Shao, Feng Qu
  • Patent number: 11455930
    Abstract: A driving system includes a scan driving device. The scan driving device includes a configuration register, a counter, multiple comparators and a driver. The configuration register generates a counting parameter and multiple scan order parameters based on a serial input signal and a clock signal. The counter generates a counting value based on the clock signal, an enable signal and the counting parameter. Each comparator compares the counting value with a respective one of the scan order parameters to generate a comparison result. The driver generates multiple scan driving signals for driving a scan-type display based on the clock signal, on the enable signal and on the comparison results respectively generated by the comparators.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: September 27, 2022
    Assignee: MACROBLOCK, INC.
    Inventors: Chih-Hung Lee, Wei-Chung Chen, Wei-Hsiang Cheng
  • Patent number: 11450258
    Abstract: Provided are a display panel and a display device. The display panel includes a driving circuit comprising N stages of cascaded shift registers. Each shift register includes a first control unit, a second control unit, a third control unit, and a fourth control unit. The first control unit is configured to receive an input signal and control a signal of a first node. The second control unit is configured to receive a first voltage signal and control a signal of a second node. The third control unit is configured to receive a signal of a fourth node and control an output signal, or receive a second voltage signal and control the output signal. The fourth control unit is configured to receive the first voltage signal and a third voltage signal and control the signal of the fourth node.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 20, 2022
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Qingjun Lai, Yihua Zhu, Jinjin Yang, Ping An
  • Patent number: 11442537
    Abstract: Methods and apparatus for glint-assisted gaze tracking in a VR/AR head-mounted display (HMD). Images of a user's eyes captured by gaze tracking cameras may be analyzed to detect glints (reflections on the cornea of light sources that illuminate the user's eyes) and the pupil. The glints are matched to particular ones of the light sources. The glint-light source matches are used to determine the cornea center of the eye, and the pupil center is determined. The optical axis of the eye is reconstructed from the cornea center and the pupil center, and the visual axis is then reconstructed from the optical axis and a 3D model of the user's eye. The point of gaze on the display is then determined based on the visual axis and a 3D model of the HMD.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: September 13, 2022
    Assignee: Apple Inc.
    Inventors: Seyed Hesameddin Najafi Shoushtari, Kuen-Han Lin, Yanghai Tsin
  • Patent number: 11443673
    Abstract: An electro-optical device includes an electro-optical panel including first to n-th (n is an integer of 2 or greater) data line blocks with each data line block including a first data line group and a second data line group, a first circuit device, and a second circuit device. The first circuit device drives, in an i-th phase of phase development drive, the first data line group of an i-th data line block of the first to n-th data line blocks, and the second circuit device drives, in the i-th phase of the phase development drive, the second data line group of the i-th data line block of the first to n-th data line blocks.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: September 13, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Nariya Takahashi
  • Patent number: 11430364
    Abstract: In some examples, a computing device can include a processor resource and a non-transitory memory resource storing machine-readable instructions to cause the processor resource to receive a signal from a graphics processing unit, cause, based on the signal, a first portion of image data to be sent to a first pixel on a moving image area of the display panel at a first refresh rate over a plurality of frames in response to a first thin film transistor (TFT) associated with the first pixel being on, and cause, based on the signal, a second portion of the image data to be sent to a second pixel on a static image area of the display panel at a second refresh rate over the plurality of frames.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: August 30, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hsing-Hung Hsieh, Super Liao, Hang Yan Yuen
  • Patent number: 11430409
    Abstract: A display system includes a rendering device and a display device. The rendering device is to render a sequence of frames for display at a frame rate and to set an illumination configuration to be applied by the display device during a frame period for each frame of the sequence of frames based on the frame rate. The illumination configuration controls at least one of an illumination level and a duration for an illumination strobe, and at least one of an illumination level for an illumination fill preceding the illumination strobe in the frame period and an illumination level for an illumination fill following the illumination strobe in the frame period. The display device is to receive a representation of the illumination configuration from the rendering device and apply the illumination configuration during a frame period for each frame of the sequence of frames to display the frame.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: August 30, 2022
    Assignee: ATI TECHNOLOGIES ULC
    Inventors: Ed Callway, David Glen
  • Patent number: 11430365
    Abstract: Provided are a display panel and display device. The display panel includes a driver circuit, where the driver circuit includes an N-stage cascaded shift register which includes a first control unit, a second control unit, a third control unit, and a fourth control unit. The first control unit is configured to receive an input signal and control a signal of a first node in response to a first clock signal. The second control unit is configured to control a signal of a second node. The third control unit is configured to receive the first voltage signal and generate an output signal in response to a signal of a third node, or receive the second voltage signal and generate an output signal in response to the signal of the second node. The fourth control unit is connected to the third node.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: August 30, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yong Yuan
  • Patent number: 11410589
    Abstract: A display device includes a display panel, a first connection film, and a second connection film. The display panel includes first pads and second pads. The first connection film includes a first film, which includes a first region connected to the first pads and having a first width and a second region adjacent to the first region and having a second width different from the first width, and a first driving chip mounted on the first film. The second connection film includes a second film, which includes a third region connected to the second pads and having a third width and a fourth region adjacent to the third region and having a fourth width different from the third width and less than the second width, and a second driving chip mounted on the second film.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Po-Yun Park, Deok-Hwan Kim, Seungjae Kang, Sanghak Yi