Patents Examined by Sejoon Ahn
  • Patent number: 11862053
    Abstract: A display method is provided. The display method includes: obtaining information of a target display array on a display device, the target display array including a first number of display units arranged; obtaining target pulse sequences that characterize dynamic spatiotemporal information; determining display state information of each display unit in the first number of display units from a spatiotemporal relationship between the target pulse sequences and the target display array; and causing visualization of pulse signals in the target pulse sequences on the display device based on the display state information of each display unit in the first number of display units.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: January 2, 2024
    Assignee: SPIKE VISION (BEIJING) TECHNOLOGY CO., LTD.
    Inventors: Tiejun Huang, Lei Ma
  • Patent number: 11864434
    Abstract: In an organic EL display device including a proximity sensor, deterioration in display quality due to irradiation with IR light is suppressed. In the organic EL display device including the proximity sensor is provided with a light shielding unit that prevents a channel layer of a first initialization transistor from being irradiated with IR light, the first initialization transistor being provided in a pixel circuit in order to initialize a voltage that is applied to a control terminal of a drive transistor. The first initialization transistor preferably has a dual-gate structure. The first initialization transistor may have a LDD structure (including a one-side LDD structure).
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: January 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Shigetsugu Yamanaka
  • Patent number: 11862096
    Abstract: Disclosed is a display device including a display panel including a plurality of pixels and a voltage generator providing an anode initialization voltage to the pixels. The display panel is divided into a first display area operating at a first operating frequency and a second display area operating at a second operating frequency. While pixels, which correspond to the first display area, from among the plurality of pixels are driven, the anode initialization voltage has a first voltage level. While pixels in the second display area from among the plurality of pixels are driven, the anode initialization voltage has a second voltage level different from the first voltage level.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Dong Kim, Taehoon Kim, Jin-Wook Yang, Eun Sil Yun, Changnoh Yoon
  • Patent number: 11854453
    Abstract: A display driving circuit includes a clock signal generator which generates a clock signal at a frequency in response to a frequency control signal, a frequency variation determiner which adaptively changes a frequency variation of the clock signal, based on a magnitude of a deviation between the frequency of the clock signal and a target frequency calculated based on a reference clock signal supplied from the outside, and a frequency controller which generates the frequency control signal which updates the frequency of the clock signal, based on the frequency variation, and provides the frequency control signal to the clock signal generator.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Chang Kim, Se Byung Chae
  • Patent number: 11847948
    Abstract: A driver includes first to Mth stages, where a first input signal and a second input signal are input to each of the first to Mth stages, and each of the first to Mth stages outputs a stage output signal, a first carry signal, and a second carry signal, where M is a natural number greater than or equal to 2. The first carry signal and the second carry signal output from a kth stage are the first input signal and the second input signal, which are input to a (k+1)th stage, respectively, where k is a natural number greater than or equal to 1 and less than M, and the first input signal and the second input signal, which are input to a first stage, are a first start signal and a second start signal which are alternately changed for predetermined frame times, respectively.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: December 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hai-Jung In
  • Patent number: 11837132
    Abstract: An output buffer is disclosed that includes: a buffer circuit that outputs an output signal to an output terminal based on a first input signal provided to a first input terminal and a second input signal provided to a second input terminal; and a current supply circuit that is connected in parallel to the buffer circuit, and provides an auxiliary current to the output terminal based on the first input signal and the second input signal.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: December 5, 2023
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seong Joo Lee, Seok Tae Koh, Gyeong Gu Kang, Oh Jo Kwon, Hyun Sik Kim, Gyu Wan Lim, Keum Dong Jung
  • Patent number: 11837136
    Abstract: Provided are a display panel and display device. The display panel includes a driver circuit comprising a shift register that is N-stage cascaded; wherein the shift register comprises: a third control unit configured to receive a first voltage signal and generate an output signal in response to a signal of a third node, or receive a second voltage signal and generate an output signal in response to a signal of a second node; and a fourth control comprising a first capacitor and a first transistor, wherein a second plate of the first capacitor is connected to a drain of the first transistor, a first plate of the first capacitor and a gate of the first transistor are connected to a same node; and/or a first plate of the first capacitor and a gate of the first transistor receive a same signal.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: December 5, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11837152
    Abstract: The present disclosure discloses a driving circuit and a display panel. The driving circuit includes: a first wire; a second wire; and a plurality of third wires, spaced apart from each other, wherein one end of each third wire is electrically connected to the first wire, and an other end of the each third wire is electrically connected to the second wire. A current adjustment unit and at least one light-emitting unit are disposed on the each third wire. Each current adjustment unit has a different resistance value. The current adjustment unit on the each third wire that is farther away from a first signal input terminal of the first wire has a smaller resistance value.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: December 5, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Daobing Hu
  • Patent number: 11837135
    Abstract: Provided are a display panel and display device. The display panel includes a driver circuit comprising a shift register that is N-stage cascaded; wherein the shift register comprises: a third control unit configured to receive a first voltage signal and generate an output signal in response to a signal of a third node, or receive a second voltage signal and generate an output signal in response to a signal of a second node; and a fourth control comprising a first capacitor and a first transistor, wherein a second plate of the first capacitor is connected to a drain of the first transistor, a source of the first transistor receives a first control signal, and a gate of the first transistor receives a second control signal.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: December 5, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yong Yuan
  • Patent number: 11830394
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to manage display luminance, for the purpose of power efficiency, halo reduction, and flicker prevention. An example apparatus includes a backlight analyzer to determine a first baseline luminance level associated with a first segment of a backlight of a screen of a display device based on pixel data defining a frame of content to be displayed via the screen and to determine a second baseline luminance level associated with a second segment of the backlight different than the first segment based on the pixel data, a segment-pair ratio analyzer to determine a segment-pair luminance ratio between the first and second segments based on the first and second baseline luminance levels, and a luminance controller to adjust an amount of power provided to at least one of the first segment of the backlight or the second segment of the backlight when the segment-pair luminance ratio satisfies a threshold.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: November 28, 2023
    Assignee: Intel Corporation
    Inventors: Roland Wooster, Perazhi Sameer Kalathil
  • Patent number: 11830399
    Abstract: A multi-channel voltage sensing circuit for pixel compensation includes a plurality of channel circuits arranged for multiple channels; and a first dummy channel circuit and a second dummy channel circuit disposed among the plurality of channel circuits with some channel circuits interposed therebetween, wherein the first dummy channel circuit and the second dummy channel circuit receive a first reference voltage of a fixed level, and provide electrical coupling to adjacent channel circuits.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: November 28, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Taiming Piao, Won Kim, Seong Geon Kim, Young Ho Shin, Byeon Cheol Lee
  • Patent number: 11829530
    Abstract: An electronic device performs control to display a GUI on a display surface of a display device that is able to be attached to and detached from a head of a user; detects a gaze position of the user based on an image acquired by capturing an eye of the user; detects a pupil position of the user from the image of the eye; detects a motion of the head or a neck of the user; determines whether or not the user has an intention of operating a GUI in vicinity of the gaze position, based on the detected gaze position, the detected motion, and a change in the pupil position during the motion; and executes processing corresponding to the GUI in the vicinity of the gaze position in a case where it is determined that the user has the intention of operating the GUI.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: November 28, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masaaki Uenishi
  • Patent number: 11807487
    Abstract: A flexible touch panel including a flexible substrate bent in a first direction, and a touch sensor unit disposed on the flexible substrate, the touch sensor unit including a bridge extending in a second direction intersecting the first direction.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Chul Kim, Jung Mok Park
  • Patent number: 11810492
    Abstract: The embodiments of the disclosure provide a method for determining an ambient light luminance, a host, and a computer readable storage medium. The method includes: obtaining a first frame and a second frame, wherein the first frame comprises a plurality of first regions of interest (ROI), the second frame comprises a plurality of second ROIs, and the first ROIs respectively correspond to the second ROIs; in response to determining that the first ROIs comprise at least one specific ROI satisfying a predetermined condition and at least one first candidate ROI, obtaining at least one second candidate ROI among the second ROIs, wherein the at least one second candidate ROI respectively correspond to the at least one specific ROI; and determining the ambient light luminance based on the at least one first candidate ROI and the at least one second candidate ROI.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: November 7, 2023
    Assignee: HTC Corporation
    Inventors: Chia-Wei Yu, Ping-Chang Hsieh, Chin-Yu Chang
  • Patent number: 11804161
    Abstract: Display panel and display device are provided. The display panel includes a first light-transmitting group, a first non-display area, and a display area; and a plurality of pixel driving circuits and a plurality of drive signal lines. The first non-display area surrounds the first light-transmitting group, the display area surrounds the first non-display area, and the first light-transmitting group includes at least two first light-transmitting areas arranged along a first direction. The plurality of pixel driving circuits is in the display area, a pixel driving circuit of the plurality of pixel driving circuits includes a data writing module, and a drive signal line of the plurality of drive signal lines is electrically connected to a control terminal of the data writing module.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: October 31, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Yana Gao, Xingyao Zhou, Gaojun Huang
  • Patent number: 11804159
    Abstract: A timing controller, a clock reset method, and a display panel are provided. When an abnormal working condition occurs in a transition stage of recovering a reset control signal from a jumping state to an initial state, the problem that a clock of the timing controller cannot be synchronized can be avoided when a processing module cannot normally output a clock reset pulse signal and a clock data recovering module cannot normally recover the clock of the timing controller because the reset control signal is in the jumping state. Reliability of the timing controller is increased.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: October 31, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jinfeng Liu
  • Patent number: 11798140
    Abstract: A head-up display installed in a movable body includes an image acquisition unit that acquires an image including a graphic, a vibration information acquisition unit that acquires vibration information indicating vibration of the moving body, an image correction unit that generates a corrected image by performing, on the image, a blurring correction for blurring a contour of the graphic in the image based on the vibration information, and a display unit that displays the corrected image in a space as a virtual image.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: October 24, 2023
    Assignee: LAPIS TECHNOLOGY CO., LTD.
    Inventor: Yuki Imatoh
  • Patent number: 11790822
    Abstract: A display apparatus is provided. The display apparatus includes a display panel and a plurality of flexible printed circuit boards. The display panel has a fan-out area and a display area. The flexible printed circuit boards are coupled to the display panel. A first side of each flexible printed circuit board is configured with a plurality of first traces for transmitting a first group of clock signals among a plurality of clock signals, and a second side of each flexible printed circuit board opposite to the first side is configured with a plurality of second traces for transmitting a second group of clock signals among the clock signals. The first group of clock signals of one of the flexible printed circuit boards and the second group of clock signals of the adjacent flexible printed circuit board are transmitted to the display area through the fan-out area together.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: October 17, 2023
    Assignee: AUO Corporation
    Inventors: Yen-Wei Yeh, Wei-Li Lin
  • Patent number: 11783747
    Abstract: A display device includes readout line, first circuit, second circuit, and third circuit. Readout line includes first side and second side. First side is opposite to the second side. Each of first circuit, second circuit, and third circuit is coupled to readout line. Each of first circuit and third circuit is located at first side of readout line. First circuit resets according to first scan signal at first stage. Second circuit is located at second side of readout line. Second circuit and first circuit are arranged in dislocation manner. Second circuit reads first light sensing signal to output to readout line according to first scan signal at first stage. Third circuit and second circuit are arranged in dislocation manner, and third circuit is directly adjacent to first circuit. Third circuit senses light so as to generate second light sensing signal according to second scan signal at first stage.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: October 10, 2023
    Assignee: AUO CORPORATION
    Inventors: Po-Chun Lai, Ling-Ying Chien, Li-Wei Shih, Ching-Sheng Cheng, Chih-Lung Lin, Chia-Lun Lee
  • Patent number: 11783744
    Abstract: A gate driving circuit, a method for driving the gate driving circuit, and a display panel. The gate driving circuit includes N-stages of cascaded shift registers divided into at least one group of K-stages in which a clock signal terminal of a k-th stage of shift register is connected to receive a k-th clock signal, where N, k and K are positive integers, and 1?k?K?N; and an input signal terminal of a n-th stage of shift register is connected to an output signal terminal of a (n?i)-th stage of shift register, and reset signal terminals of the n-th and (n+1)-th stages of shift registers are connected to an output signal terminal of a (n+j)-th stage of shift register, wherein the n is one of an odd number and an even number, where i and j are positive integers, 1<n<N, (K?2)/2?i?K/2, and K/2<j?K?2.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: October 10, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiujie Su, Zhihua Sun, Yingmeng Miao, Yinlong Zhang, Feng Qu, Seungmin Lee, Yanping Liao, Xibin Shao