Patents Examined by Sanjiv D Patel
  • Patent number: 11915663
    Abstract: A common voltage driving circuit, a display device, and an electronic device are provided. The common voltage driving circuit includes multiple scan lines and multiple common-voltage signal lines, and further includes multiple common electrode units arranged in an array. The multiple scan lines extend in a first direction and are arranged at intervals in sequence in a second direction perpendicular to the first direction. The multiple common-voltage signal lines extend in the second direction and are arranged at intervals in sequence in the first direction. The multiple common electrode units are disposed at intersections of the multiple scan lines and the multiple common-voltage signal lines respectively. Common electrode units in a same column are all electrically coupled with a same common-voltage signal line. Common electrode units in a same row are all electrically coupled with a same second scan line.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Yuanping Zhang, Rongrong Li
  • Patent number: 11915650
    Abstract: A sensing circuit of a display device includes a sensing line initialization circuit which substantially simultaneously initializes a first sensing line and a second sensing line in a first sub-sensing period of a sensing period, a first line selection switch which couples the first sensing line to a sensing channel in the first sub-sensing period, a second line selection switch which couples the second sensing line to the sensing channel in a second sub-sensing period of the sensing period, and the sensing channel which samples a first sensing voltage of the first sensing line in a first sampling period of the first sub-sensing period, and samples a second sensing voltage of the second sensing line in a second sampling period of the second sub-sensing period. The second sensing line is not initialized during a period from the first sampling period to the second sampling period.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hayong Jung, Jung-Taek Kim, Joonsuk Baik, Jaehoon Shin, Wook Lee
  • Patent number: 11907453
    Abstract: A display driver includes a driver circuit and a sensing controller. The driver circuit is configured to drive a display panel according to display information. The display panel defines a sensing region. The sensing controller interface circuit is configured to transmit an output vertical sync signal to a proximity sensing controller. The proximity sensing controller is configured to generate positional information of an input object based at least in part on a resulting signal received from a sensor electrode disposed in the sensing region. The output vertical sync signal comprises encoding the display information in the output vertical sync signal.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: February 20, 2024
    Assignee: Synaptics Incorporated
    Inventors: Makoto Takeuchi, Hirokazu Hatayama, Masaaki Shiomura, Nobukazu Tanaka, Daisuke Ito, Takayuki Noto, Takashi Miyamoto
  • Patent number: 11907519
    Abstract: A method is performed by an electronic device with a display and a touch-sensitive surface. The method includes: displaying a progress icon that indicates a current position within a first piece of content; displaying a multi-purpose content navigation icon; while providing the first piece of content: detecting a first contact at a first location that corresponds to the multi-purpose content navigation icon; while continuing to detect the contact at the first location, moving the current position within the first piece of content at a predefined scrubbing rate; and, in response to detecting movement of the contact that includes a first component of movement in a direction that corresponds to movement on the display parallel to the first predefined direction, moving the current position within the first piece of content at a variable scrubbing rate that varies monotonically as the first component of movement increases.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: February 20, 2024
    Assignee: Apple Inc.
    Inventors: Imran Chaudhri, Elizabeth Caroline Furches Cranfill, Michael J. Matas, Lucas C. Newman, Marcel Van Os
  • Patent number: 11899890
    Abstract: A display device including a beam emitter and a display panel is provided. The beam emitter emits a first beam; the display panel includes a display screen body and a light control layer. The light control layer includes photosensitive devices that outputs a sensing signal according to a sensing result, a control module for controlling turning on and turning off of the photosensitive devices, and a reading module for reading the sensing signal output by the photosensitive devices and determining a projection position of the first beam on the display panel according to the sensing signal.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: February 13, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Miao Jiang, Lixuan Chen, Xin Zhang, Lei Wen, Bao Zha
  • Patent number: 11899301
    Abstract: A photosensitive color-changing touch control display device includes a display panel, a photosensitive color-changing touch control panel, a driving chip, and a central processing unit. The photosensitive color-changing touch control panel includes a plurality of touch control electrodes and a plurality of photoresistors. When a resistance of the photoresistor changes, the driving chip transmits the obtained current change signal to the central processing unit, and the central processing unit controls the display panel corresponding to a region where a current change occurs to change color.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: February 13, 2024
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongchen Huang, Chingyuan Cheng
  • Patent number: 11903296
    Abstract: A display device including a display panel including pixels that emit light on a frame basis. An input sensing unit includes driving electrodes and sensing electrodes. A driving signal generator is configured to provide driving signals to the driving electrodes. Analog front-ends are configured to receive sensing signals depending on the driving signals from the sensing electrodes. A signal processor is configured to detect touch input, based on differential output values of the analog front-ends. The driving signal generator provides the driving signals to the driving electrodes while avoiding a period in which a pulse of a vertical synchronization signal defining start of the frame is generated.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: In Nam Lee, Jang Hui Kim, Choon Hyop Lee
  • Patent number: 11893188
    Abstract: A touch sensor system includes a sensing area having a periphery and a plurality of light sources and a plurality of analog optical detectors arranged about the periphery of the sensing area. The system further includes addressing circuitry that selectively drives each of the plurality of light sources with a modulated signal and selectively activates the plurality of analog optical detectors, and a controller that receives a collective detector output from the plurality of analog optical detectors. The outputs from the analog optical detectors may be a time multiplexed to provide the collective detector output. Each optical detector may include a photodiode; a first transistor coupled to the photodiode in a current amplifier configuration that generates an amplified current output as a function of a photodiode current; and enable circuitry to enable and disable the optical detector as a function of an enable input signal.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: February 6, 2024
    Assignee: 1004335 ONTARIO INC.
    Inventors: Guy Michael Amyon Farquharson Duxbury, Robert Donald McCulloch, Albert M. David, Gueorgui Pavlov
  • Patent number: 11895899
    Abstract: The present application discloses a display panel and a photosensitive display device. The display panel includes a photosensitive array, an acquisition module, and a process module. The process module acquires target frame photosensitive data according to a difference result between a current frame photosensitive data and a previous frame photosensitive data, and deducts influence of background light or ambient light to the current frame photosensitive data, and then determines a current frame display coordinate of an external light source based on the target frame photosensitive data, which can improve accuracy of the current frame display coordinate.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: February 6, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yang Rao, Leli Peng
  • Patent number: 11893195
    Abstract: A detection device includes a shield layer provided with a shield electrode and a shield electrode connection wiring connected to the shield electrode, and a sensor layer located over the shield layer and provided with a sensor electrode and a sensor electrode connection wiring connected to the sensor electrode. The shield electrode has the same planar pattern as the sensor electrode and overlaps the sensor electrode. The shield electrode connection wiring has the same planar pattern as the sensor electrode connection wiring and overlaps the sensor electrode connection wiring.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: February 6, 2024
    Assignee: Japan Display Inc.
    Inventors: Fumihoru Nakano, Hiroshi Yamaguchi
  • Patent number: 11886658
    Abstract: In a touch display device, an electrode pattern is arranged on an area overlapping a touch electrode and a touch routing line which are disposed on an active area. Thus a touch sensor structure can be implemented while improving visibility of a display panel.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: January 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: JiHyun Jung, DeukSu Lee, SuChang An, JaeGyun Lee, Ruda Rhe, Hyangmyoung Gwon
  • Patent number: 11881171
    Abstract: An electronic device including a substrate and a pixel circuit is provided. The substrate includes an active area and a peripheral area. The peripheral area is adjacent to the active area. The pixel circuit is disposed in the active area on the substrate. The pixel circuit includes an amplifier circuit and a tunable element. The amplifier circuit includes a non-inverting input terminal, an inverting input terminal, and an output terminal. The output terminal is electrically connected to the inverting input terminal, so that the amplifier circuit is a negative feedback circuit. The tunable element is electrically connected to the output terminal of the amplifier circuit.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: January 23, 2024
    Assignee: Innolux Corporation
    Inventors: Ming-Chun Tseng, Kung-Chen Kuo, Lien-Hsiang Chen, Yong-Zhi Liu, Po-Syun Chen
  • Patent number: 11874984
    Abstract: A touch display panel and a manufacturing method therefor, and a touch display device. The touch display panel comprises a touch display region and a peripheral region. The touch display region comprises a through hole, a through hole detection region surrounding the through hole, and a transition connection region located between the through hole detection region and the peripheral region. The through hole detection region comprises an annular crack detection line and an annular isolation line. The transition connection region comprises a transition crack detection line and a transition isolation line. The peripheral region comprises an edge crack detection line and an edge isolation line.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: January 16, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanyuan Chai, Yangpeng Wang
  • Patent number: 11875083
    Abstract: A method for operating an electronic shelf label system, wherein the system comprises shelf labels fastened to shelf edge strips, wherein the shelf labels are designed such that they can be supplied with energy in a contactless manner, and the shelf edge strip comprises a supply device for contactlessly supplying energy to the shelf labels fastened on it, and the shelf edge strip comprises at least one conductor loop, wherein the conductor loop is a constituent of the supply device of the shelf edge strip and the conductor loop is used for emitting a signal, which can be generated by the supply device, for the purpose of the said supply of energy of shelf labels positioned on the shelf edge strip in a manner corresponding to the conductor loop, wherein according to the method, the said signal is generated with the aid of the supply device and emitted via the conductor loop and the respective shelf label positioned corresponding to the conductor loop stores electrical energy, which is transmitted with the aid
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: January 16, 2024
    Assignee: SES-IMAGOTAG GmbH
    Inventor: Andreas Rössl
  • Patent number: 11874705
    Abstract: A display device according to an example embodiment of the present disclosure may include a stretchable lower substrate; a lower pattern layer disposed on the lower substrate and including a plurality of lower plate patterns and a plurality of lower line patterns; a plurality of pixel circuits disposed on each of the plurality of lower plate patterns; a plurality of lower stretched lines disposed on each of the plurality of lower line patterns; an upper pattern layer disposed on the lower pattern layer and including a plurality of upper plate patterns and a plurality of upper line patterns; a plurality of light emitting elements disposed on each of the plurality of upper plate patterns; and a plurality of upper stretched lines disposed on each of the plurality of upper line patterns, so that a uniform power may be supplied.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: January 16, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Mose Lee, Yongmin Jeong, Dongho Choi
  • Patent number: 11868557
    Abstract: The present disclosure provides a touch substrate and a manufacturing method thereof. The touch substrate includes a base substrate and a touch electrode structure in a display area of the base substrate, and further includes a conductive structure and a wiring structure, wherein the conductive structure is in a peripheral area of the base substrate outside the display area, and includes a one-piece layer which is configured to form a lead electrically connected to a driving circuit for the touch electrode structure; and the wiring structure is in a wiring area between the display area and the peripheral area of the base substrate and is configured to electrically connect the conductive structure to the touch electrode structure. With the touch substrate and the manufacturing method of the touch substrate, problems of poor alignment and lapping, increased contact impedance, insufficient adhesive force and the like can be solved.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: January 9, 2024
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Tian, Xiaohui Yang, Jie Lei, Zouming Xu, Xiaofeng Yin
  • Patent number: 11869428
    Abstract: A display apparatus capable of image capturing with high sensitivity is provided. The display apparatus is configured to include first to third switches, a first transistor, a second transistor, and a light-emitting/receiving element. The first switch is electrically connected to a gate of the first transistor. The second switch is positioned between one of a source and a drain of the first transistor and one electrode of the light-emitting/receiving element. The third switch is positioned between the one electrode of the light-emitting/receiving element and a gate of the second transistor. The other of the source and the drain of the first transistor is supplied with a first potential. The other electrode of the light-emitting/receiving element is supplied with a second potential. The light-emitting/receiving element has a function of emitting light of a first color and a function of receiving light of a second color.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: January 9, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe
  • Patent number: 11861081
    Abstract: An electronic device according to various embodiments may comprise: a panel configured to identify the position of a stylus pen; a communication module configured to transmit/receive a communication signal with the stylus pen; at least one containing space coil disposed in a position corresponding to the position of a containing space capable of containing the stylus pen; and at least one processor. The at least one processor may be configured to control the communication module so as to apply, according to a first communication scheme, a signal having a pattern for controlling the stylus pen to the containing space coil on the basis of confirming that the stylus pen is inserted into the containing space, and to transmit, according to a second communication scheme, a communication signal including information for controlling the stylus pen to the stylus pen on the basis of confirming that the stylus pen is removed from the containing space. Various other embodiments are possible.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: January 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changbyung Park, Byunghoon Kang, Joohoon Lee, Hyunsuk Choi
  • Patent number: 11861121
    Abstract: The disclosure relates to an electronic device comprising a metal mesh touch electrode. The electronic device may include: a display panel comprising an active area in which data is displayed, and an edge area formed along the outer peripheral surface of the active area; a substrate positioned on the display panel, the substrate comprising a first area corresponding to the active area and a second area corresponding to the edge area; a metal mesh electrode pattern formed in the first area and the second area; and multiple trace wires positioned on the substrate and electrically connected to the metal mesh electrode pattern. The metal mesh electrode pattern may comprise a first electrode pattern having a lattice structure, and a second electrode pattern having a lattice structure, the second electrode pattern being positioned on top of the first electrode pattern and disposed so as to crisscross the first electrode pattern.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: January 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minuk Kim, Jihwan Kim, Hoondo Heo
  • Patent number: 11861124
    Abstract: Disclosed are a touch-control panel and a preparation method therefor, and a display apparatus. The touch-control panel comprises: a substrate, a plurality of first touch-control electrodes which are arranged on the substrate at intervals and extend in a first direction, and a plurality of second touch-control electrodes which are arranged on the substrate at intervals and extend in the first direction, wherein the first touch-control electrodes and the second touch-control electrodes are insulated from each other; the first touch-control electrodes and the second touch-control electrodes cross to form a first interdigital structure; and first bending parts extending towards the outer sides of the first touch-control electrodes are formed on side parts of the first touch-control electrodes, or, second bending parts extending towards the outer sides of the second touch-control electrodes are formed on side parts of the second touch-control electrodes.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: January 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dalin Xiang, Zewen Bo