Patents Examined by Lin Li
  • Patent number: 12295219
    Abstract: An organic light-emitting display device includes a base substrate, a pixel array, a first power voltage wiring and a second power voltage wiring. The base substrate includes a pixel area and a peripheral area. The pixel array is disposed in the pixel area. The first power voltage wiring is disposed in the peripheral area and includes a first lower power voltage line and a first upper power voltage line. The first upper power voltage line is disposed on and contacts the first lower power voltage line. The second power voltage wiring is disposed in the peripheral area and includes a second lower power voltage line and a second upper power voltage line. The second upper power voltage line is disposed on and contacts the second lower power voltage line. The first upper power voltage line overlaps the second lower power voltage line in a plan view.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: May 6, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoonsun Choi, Seong Ryong Lee, Hyun Chul Kim, Seongjun Lee, Eunae Jung
  • Patent number: 12293719
    Abstract: The present disclosure provides a shift register including a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first capacitor and an impedance transistor; the second transistor has a first electrode coupled to a second node; the third transistor has a first electrode coupled to a first power terminal and a second electrode coupled to the second node; the fifth transistor has a control electrode coupled to a third node; and the impedance transistor has a control electrode coupled to the first power terminal, a first electrode coupled to the second node, and a second electrode coupled to the third node.
    Type: Grant
    Filed: March 15, 2024
    Date of Patent: May 6, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunsheng Xiao, Haigang Qing
  • Patent number: 12284898
    Abstract: A touch display device comprises a substrate; planarization film disposed over the substrate; an anode electrode and a touch metal disposed on the planarization film; a bank disposed over the planarization film on which the anode electrode and the touch metal are disposed, and the bank including a first cavity exposing the anode electrode and a second cavity exposing the touch metal; an organic light emitting layer disposed in the first cavity and disposed over the anode electrode; and a cathode electrode disposed over the organic light emitting layer and the bank, wherein the cathode electrode includes a first cathode electrode and a second cathode electrode, which are separated from each other, and a part of the first cathode electrode is disposed in the second cavity and connected to the touch metal in the second cavity.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 22, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Cheolse Kim, Juhan Kim
  • Patent number: 12277893
    Abstract: A shift register includes: an input circuit for transmitting an input signal to a first node under control of a first clock signal, and for transmitting the first clock signal to the second node under control of a level of the first node; a control circuit for transmitting a second power supply signal to the first node under control of a level of the second node and a second clock signal, for transmitting the second clock signal to the third node under control of a level of the fourth node and/or the first; a pull-down control circuit; and an output circuit for transmitting the fourth power supply signal or the third power supply signal to the signal output terminal. The pull-down control circuit controls a level of the fifth node regardless of the first clock signal.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 15, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo Han, Haoliang Zheng, Minghua Xuan
  • Patent number: 12272293
    Abstract: A display apparatus can include a display panel configured to display an image, a driver configured to drive the display panel, a controller configured to control driver, and a memory controlled by the controller. The controller performs a calibration operation during an idle period of the memory.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: April 8, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young Il Choi, Dae Hyeon Park
  • Patent number: 12272335
    Abstract: A method includes: a processor that obtains several lines of data in to-be-displayed display data to generate a data block; generates a synchronization flag corresponding to the data block; encapsulates the data block and the synchronization flag corresponding to the data block to obtain a data packet corresponding to the data block; and sends all data packets corresponding to the display data to the display system. The display system sequentially parses all the data packets sent by the processor to obtain a synchronization flag associated with each data packet, and determines a display location of each data block on a display panel based on the synchronization flag to display the display data.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: April 8, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Weiwei Fan, Ming Chang, Hongli Wang, Xiaowen Cao, Wenhao Jiang, Siqing Du
  • Patent number: 12254844
    Abstract: A display driving circuit is provided. The circuit drives a display panel that includes data lines, sensing lines, and sub-pixels connected to the data lines and the sensing lines. The display driving circuit includes a data driver integrated circuit that drives the data lines. The data driver integrated circuit includes a driving block and a sensing block. The driving block includes plural digital-analog converters (DACs) each performing digital-analog conversion with respect to received sub-pixel data to generate output voltages and provide the output voltages of the DACs to the data lines. The sensing block measures grayscale voltages output from the DACs in a first operation mode and measures pixel voltages of the sub-pixels received from the sensing lines in a second operation mode.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jiyong Jeong, Yongjoo Song, Jeongah Ahn, Hajun Lee, Youngsub Jin
  • Patent number: 12219836
    Abstract: An array substrate is provided. The array substrate includes a node connecting line in a same layer as a respective one of the plurality of voltage supply lines, connected to a first capacitor electrode through a first via, and connected to a semiconductor material layer through a second via; and an interference preventing block in a same layer as the second capacitor electrode. Along the first direction, a portion of the node connecting line at a position connecting to the semiconductor material layer through the second via is spaced apart from a first adjacent data line by a first arm, and is spaced apart from a second adjacent data line by a second arm. An orthographic projection of a respective one of the plurality of voltage supply lines on the base substrate substantially covers at least 30% of an orthographic projection of the second arm on the base substrate.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: February 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Maoying Liao, Yang Zhou, Xin Zhang, Huijuan Yang
  • Patent number: 12211459
    Abstract: A driving method for a liquid crystal display apparatus includes generating and sending, by a system unit according to image data, respective ones of dimming data groups sequentially; and responding, by a backlight driver, to respective ones of the dimming data groups sequentially; where responding, by the backlight driver, to any one of the dimming data groups comprises: receiving the dimming data group, and sending driving configuration information to each of the signal channels according to the dimming data group. The driving configuration information of any one of the signal channels includes driving data and address related information of a selected microchip in the signal channel, and the selected microchip is the microchip that controls the light emitting zone corresponding to the dimming data in the dimming data group. The method further includes acquiring, by the selected microchip, the driving data according to the driving configuration information.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: January 28, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventor: Zhitao Zhang
  • Patent number: 12211445
    Abstract: A driving device includes: an output unit configured to supply a first voltage, or a second voltage lower than the first voltage, to an output terminal in response to a voltage of a first node and a voltage of a second node; a first driver configured to control the voltage of the second node in response to a signal of a first input terminal and a signal of a second input terminal; a second driver configured to control the voltage of the first node in response to a voltage of a third input terminal and the voltage of the second node; and a first transistor configured to apply a third voltage lower than the first voltage to the first node or the second node.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jin Lee, Hui Nam, Se Hyuk Park
  • Patent number: 12213357
    Abstract: A display device includes a display panel having a display area and a non-display area. The display panel includes a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected with the light emitting element, a sensor disposed in the display area and including a photo sensing element and a sensor driving circuit electrically connected with the photo sensing element, a data line electrically connected with the pixel and extended along a first direction, a scan line electrically connected with the pixel and extended along a second direction intersecting the first direction, and a readout line including a first readout portion in the display area. The first readout portion is electrically connected with the sensor and extended along the second direction in the display area.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeonsik Kim, Gun Hee Kim, Sangwoo Kim, Taekyung Ahn, Dae-Young Lee
  • Patent number: 12205524
    Abstract: A display device comprises a first substrate including a first contact hole, a first barrier insulating layer disposed on the first substrate and including a second contact hole, a fan-out line disposed in a first metal layer on the first barrier insulating layer, the fan-out line including a protruding part inserted in the second contact hole to protrude from below the first barrier insulating layer, and a recessed part formed by the second contact hole, an etching electrode disposed in the recessed part of the fan-out line, a second substrate disposed on the fan-out line and the etching electrode and including a third contact hole, a display layer disposed on the second substrate, and a flexible film disposed below the first substrate and inserted in the first contact hole to be electrically connected to the protruding part of the fan-out line.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: January 21, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Sung Lee, Byung Hoon Kim, Tae Oh Kim, So Chan Park
  • Patent number: 12185601
    Abstract: A display device including a transmission area, a display area at least partially surrounding the transmission area, and a non-display area between the transmission area and the display area, in which the display device includes a driving voltage line extending in a first direction and arranged in the display area, a data line extending in the first direction and arranged in the display area, an auxiliary data line connected to the data line and extending along an edge of the transmission area in the non-display area, and a conductive pattern arranged in the non-display area and connected to the driving voltage line.
    Type: Grant
    Filed: October 25, 2023
    Date of Patent: December 31, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sukyoung Kim, Yujin Jeon, Wonkyu Kwak, Changsoo Pyon, Wonse Lee, Donghyeon Jang
  • Patent number: 12183301
    Abstract: It is an object to suppress deterioration of characteristics of a transistor in a driver circuit. A first switch for controlling whether to set a potential state of an output signal by being turned on and off in accordance with the first input signal, and a second switch for controlling whether to set a potential state of an output signal by being turned on and off in accordance with the second input signal are included. A first wiring and a second wiring are brought into electrical continuity by turning on and off of the first switch or the second switch.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: December 31, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Atsushi Umezaki
  • Patent number: 12175899
    Abstract: A display device includes a display panel including a display area and a non-display area, first and second wiring circuit units located in a first, a second, and a third non-display area, and a panel pad portion located in a fourth non-display area, the panel pad portion having a left panel pad portion and a right panel pad portion, in which the first/second wiring circuit unit has a wiring start point and a wiring end point located at a point close to the left/right panel pad portion, and the wiring start point/end point of the first wiring circuit unit is electrically connected to a pad portion included in the left/right panel pad portion, thus an effect of simplifying the circuit can be achieved by unifying the crack measurement circuit of the display panel and the bonding resistance measurement circuit between the display panel and the flexible circuit board into one integrated measurement circuit.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: December 24, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Si Hyeong Lyou, Jang Hoon Lee
  • Patent number: 12174390
    Abstract: A support arm assembly for a head-worn device includes a metal support arm configured to form a rear face, a bottom face, and a top face of an enclosure for a projector, thermally coupled to the projector to act as a heatsink, configured to structurally attach to a rear structural element of the head-worn device, and configured to structurally attach to an optical element holder of the head-worn device, such that the metal support arm forms a structural support joining the optical element holder to the rear structural element without placing mechanical load on the projector.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: December 24, 2024
    Assignee: Snap Inc.
    Inventors: Andrea Chantal Ashwood, Stephen Andrew Steger
  • Patent number: 12154524
    Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: November 26, 2024
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Xiuzhu Tang, Hailong Wu, Jianfeng Yuan, Zhi Zhang, Xuebo Liang, Qian Wang, Qiyuan Wei, Qi Li
  • Patent number: 12140758
    Abstract: Head wearable display (HWD) systems and methods of display reliability verification with respect to the HWD operated by a user are provided, which comprise tracking a position and orientation (P&O) of the HWD relative to hardware element(s) at known position(s), which are selected from a surroundings of the user and are visible to the user through the HWD, calculating position(s) of the hardware element(s) with respect to the HWD, and displaying, in the HWD and according to the calculated position(s), verification symbol(s) that correspond to the hardware element(s). Display reliability verification may be carried out automatically using a camera and an image processing module, optionally with an additional illuminator, which compares the element(s)'s captured locations with the element (s)'s expected location according to the tracking, and indicates possible discrepancies. Discrepancy identification may be used to initiate a correction process or to indicate the presented symbology to be unreliable.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: November 12, 2024
    Assignee: Elbit Systems Ltd.
    Inventors: Yaniv Roimi, Rani Ben-Yishai
  • Patent number: 12135913
    Abstract: Disclosed is a display apparatus. The display apparatus includes: display modules, each of which includes: a display panel composed of inorganic light emitting elements arranged in row lines, and sub-pixel circuits respectively corresponding to the inorganic light emitting elements; and a driver configured to drive the sub-pixel circuits in an order of the row lines based on a start signal provided from a timing controller. The timing controller is configured to: provide a first start signal to the driver of a first display module to control the inorganic light emitting elements to sequentially emit light from a first row line to a last row line, and provide a second start signal to the driver of a second display module to control the inorganic light emitting elements to sequentially emit light following an emission order of the inorganic light emitting elements included in the last row line of the first display module.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: November 5, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Jongsu Oh, Eun Ho Kim, Seungran Park, Sara Hong, Donggun Oh
  • Patent number: 12111995
    Abstract: A method performed by a device (e.g., touch controller) includes deriving a pen position, and transmitting a report indicating the derived pen position to a host computer. The report includes a first area storing position data indicating the derived position and a second area storing non-position data different from the position data. The method includes securing a buffer area for retaining a plurality of the reports in a memory, deriving the pen position at each determined scanning time, and generating a report including the position data indicating the derived position. The method includes storing the report in the buffer area and, in response to obtaining the non-position data, writing the non-position data in the second area of each of one or more of the reports stored in the buffer area. The method includes transmitting the plurality of the reports stored in the buffer area to the host computer.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: October 8, 2024
    Assignee: Wacom Co., Ltd.
    Inventors: Sadao Yamamoto, Yoshio Nomura