Patents Examined by Liliana Cerullo
  • Patent number: 11906834
    Abstract: A touch panel and a display device are disclosed. The touch panel includes a first area and a second area, and further includes: a plurality of first electrodes located in the first area and a plurality of second electrodes located in the second area. An arrangement density of the first electrodes is greater than an arrangement density of the plurality of second electrodes.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: February 20, 2024
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongchen Huang, Chingyuan Cheng
  • Patent number: 11874983
    Abstract: A touch panel and a driving method thereof, and a display device are provided. The touch panel includes a first substrate and a second substrate; the first substrate includes a first electrode pattern layer, and the first electrode pattern layer includes first electrode blocks insulated from each other; the second substrate includes a second electrode pattern layer, touch lead lines, and a third electrode pattern layer; the second electrode pattern layer includes second electrode blocks insulated from each other; the second electrode blocks correspond to and are electrically connected with the first electrode blocks, respectively, and the second electrode blocks are respectively electrically connected with the touch lead lines to process an electrical signal of a touch operation; and the third electrode pattern layer includes third electrode blocks insulated from each other, and the second electrode blocks are insulated from the third electrode blocks to form touch capacitors, respectively.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 16, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yao Bi, Hongliang Yuan, Qi Zheng, Xiaojuan Wu, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang
  • Patent number: 11874982
    Abstract: According to an aspect, a sensor-equipped display device includes: an array substrate; a counter substrate; a first sensor configured to detect a first detection-target object close to the counter substrate; and a second sensor configured to detect a second detection-target object close to the array substrate. A first background of the array substrate is viewed from outside the counter substrate, and a second background of the counter substrate is viewed from outside the array substrate.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: January 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Naoki Takada, Kentaro Okuyama
  • Patent number: 11868564
    Abstract: Embodiments of the present disclosure relate to a touch controller, a touch sensing system, and a touch display device. Among data communication periods between the touch controller and a touch driving circuit, during the data communication period included in a period in which a system clock signal is not output, a level of a communication control signal is changed a plurality of times, thereby allowing the touch driving circuit to recognize an address start time point. Therefore, it is possible to reduce power consumption of the touch sensing system by reducing a period in which the system clock signal is output and to improve the efficiency of data communication of the touch sensing system by enabling normal data communication in a period in which the system clock signal is not output.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: January 9, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Sojung Jung, Youngwoo Jo
  • Patent number: 11860468
    Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on an upper layer with respect to the first substrate and including a green color filter, a transmitter electrode formed on an upper layer with respect to the plurality of color filters, a receiver electrode formed on a lower layer with respect to the plurality of color filters, and a second substrate including a pixel electrode disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping the receiver electrode in a plan view and in a portion overlapping the green color filter in a plan view.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: January 2, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Kazutoshi Kida, Kiyoshi Minoura, Takashi Satoh, Shunsuke Noichi, Yasuhiro Sugita, Chiaki Minari
  • Patent number: 11853511
    Abstract: The present application provides a touch display device and time control method thereof that make a data signal jumps within an effective time period of a row synchronization signal and keep constant within in a non-effective time period of the row synchronization signal, and simultaneously, make a charge time period of a touch signal within the non-effective time period of the row synchronization signal. As such, the data signal in a jump variation time period would not suffer crosstalk due to charging of the touch signal, and would not form a phenomenon such as interfering horizontal mura due to crosstalk on the data line resulting from charging of the touch electrode.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: December 26, 2023
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jian Ye
  • Patent number: 11842017
    Abstract: A keyboard for physically handicapped persons, including a translucent surface, a capacitive layer underneath the translucent surface, enabling detection of touch location and pressure on the translucent surface, a projection system dynamically projecting a plurality of visual layouts of keys of a keyboard on the translucent surface, wherein each visual layout includes ASCII character keys or graphical buttons, and a dynamic keyboard layout generator configured to receive user input in conformance with a currently projected layout of keys from a physically handicapped user, and to generate therefrom a time series of ASCII characters or button selections for input to the computing device, to dynamically adjust pressure sensitivity of the keyboard to avoid spurious user input, and to dynamically adjust key sizes and positions in a current virtual layout of keys, to reduce the amount of hand motion required by the user and the amount of discomfort experienced by the user.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: December 12, 2023
    Inventors: Jordan A Berger, John V. Monaco
  • Patent number: 11842009
    Abstract: A method for operating an electronic device includes detecting, by a touchscreen controller, a touch point on a touchscreen; determining, by the touchscreen controller, coordinates of the touch point; scaling, by the touchscreen controller, up the coordinates of the touch point to obtain scaled up coordinates by overwriting a reserved portion of a touch event protocol with additional information corresponding to the coordinates of the touch point; reporting, by the touchscreen controller, the scaled up coordinates of the touch point to an application processor; and determining, by the application processor, the coordinates of the touch point with an increased resolution by converting the scaled up coordinates into a floating point value.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: December 12, 2023
    Assignees: STMICROELECTRONICS (BEIJING) R&D CO., LTD, STMicroelectronics (Shenzhen) R&D Co., Ltd.
    Inventors: Bowei Chen, Yue Ding, Guodong Sun
  • Patent number: 11836283
    Abstract: A method of operating a head mounted augmented reality display system includes producing an electromagnetic field using an electromagnetic emitter, positioned in a handheld controller and reflecting the electromagnetic field using a first electromagnetic reflector, positioned adjacent to the electromagnetic emitter, to form a modified electromagnetic field. The method also includes reflecting a portion of the modified electromagnetic field using a second electromagnetic reflector positioned in a headset and detecting the reflected portion of the modified electromagnetic field by an electromagnetic sensor positioned adjacent to the second electromagnetic reflector.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: December 5, 2023
    Assignee: Magic Leap, Inc.
    Inventor: Richmond B. Chan
  • Patent number: 11822740
    Abstract: An electronic device including a substrate, a conductive line and an insulating layer is provided. The conductive line is disposed on the substrate. The insulating layer is disposed between the substrate and a portion of the conductive line. In a top view of the electronic device, the conductive line comprises a first section, a second section and connection section connected between the first section and the second section, and an extending direction of the first section, an extending direction of the second section and an extending direction of the connection section are respectively different.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: November 21, 2023
    Assignee: Innolux Corporation
    Inventors: Yuan-Lin Wu, Jui-Jen Yueh, Hsiao-Lang Lin
  • Patent number: 11823626
    Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hee Kim, Soo Yeon Lee
  • Patent number: 11816281
    Abstract: An input sensor includes a base layer, a sensing electrode disposed on the base layer, a sensing line electrically connected to the sensing electrode, a sensing pad electrically connected to the sensing line, an alignment pad spaced apart from the sensing pad and receiving a ground voltage, and a ground line electrically connected to the alignment pad. The alignment pad includes a pad portion connected to the ground line, an extension portion extending from the pad portion in a first direction, and a protrusion portion protruding from the extension portion in a second direction crossing the first direction.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hwa Kim, Hwan-hee Jeong, Kyungsu Lee, Jeongyun Han
  • Patent number: 11809655
    Abstract: A touch control method is provided. The method includes: providing a touch device with multiple touch electrodes; determining whether an object is located in a sensing distance; detecting a sensing group sensing the object if the determination is yes; determining whether an electrode amount in the electrode group is between a first value and a second value; determining whether a sensing time of a predetermined proportion of the touch electrodes in the sensing group is equal to or greater than a predetermined time; executing a fingerprint recognition mode if the electrode amount is between the first value and the second value, and the sensing time is equal to or greater than the predetermined time; executing a touch operation mode if the electrode amount is less than the first value or greater than the second value, or the sensing time is less than the predetermined time.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: November 7, 2023
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Patent number: 11809671
    Abstract: The present disclosure provides a pressure-sensitive writing board and a pressure-sensitive writing device. The pressure-sensitive writing board includes a pressure-sensitive writing panel and a writing monitoring unit. The writing monitoring unit is configured to determine position information about a writing tool at a writing region of the pressure-sensitive writing panel, convert the position information into writing trajectory information, and store the writing trajectory information.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: November 7, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Zifeng Wang
  • Patent number: 11803279
    Abstract: Disclosed are a touch substrate and a preparation method thereof, and a touch apparatus. The touch substrate includes an electrostatic transmission layer, a first insulating layer, a first conductive layer, a second insulating layer, and a second conductive layer which are sequentially stacked, wherein the first conductive layer includes a first touch electrode, the second conductive layer includes a second touch electrode and a second dummy electrode which are insulated from each other, and the second dummy electrode is electrically connected to the electrostatic transmission layer by means of a via penetrating the first insulating layer and the second insulating layer; and/or, the first conductive layer further includes a plurality of first dummy electrodes insulated from one another, and the first dummy electrode and the first touch electrode are insulated from each other.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: October 31, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Huayu Sang, Tianyu Zhang, Xue Zhao, Tengfei Zhong, Xinxiu Zhang, Wenjie Xu, Xiaodong Xie, Min He
  • Patent number: 11803264
    Abstract: A display is provided. A display panel including a first substrate, a second substrate an active element layer disposed on the first substrate, and a sealing member coupling the first substrate and the second substrate, and a touch member disposed on the display panel and including a touch signal line and a touch antistatic line, wherein the touch antistatic line is disposed outside the touch signal line and at least partially overlaps the sealing member, and the touch antistatic line has light transmittance higher than light transmittance of the touch signal line.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Wook Cho, Min Hong Kim, Tae Joon Kim, Jung Mok Park
  • Patent number: 11803269
    Abstract: A touch control structure is provided. The touch control structure includes a plurality of touch electrodes in a touch control area and a plurality of touch signal lines in a peripheral area. A respective one of the plurality of touch signal lines comprises a double-layer structure in a double-layer region and a single-layer structure in a single-layer region. The double-layer region and the single-layer region are in a first sub-area of the peripheral area where the plurality of touch signal lines connect to an integrated circuit. A plurality of adjacent double-laver structures in the double-layer region are respectively connected to a plurality of adjacent single-layer structures in the single-layer region. At least two of the plurality of adjacent single-layer structures are respectively in a first layer and a second layer. The touch control structure further comprises a touch insulating layer between the first layer and the second layer.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 31, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Wang, Erjin Zhao, Yi Zhang, Ping Wen, Wei Wang, Yang Zeng, Yuanqi Zhang, Lingran Wang, Jun Yan
  • Patent number: 11803280
    Abstract: Disclosed are a touch panel and an electronic device, the touch panel is provided with a touch area and a non-touch area surrounding the touch area, a plurality of first touch electrodes and a plurality of second touch electrodes are all located in the touch area, a plurality of connecting portions include a first connecting portion, a second connecting portion, and a third connecting portion sequentially away from the non-touch area in a first direction, and a distance between a center of an orthographic projection of the first connecting portion on a substrate and a center of an orthographic projection of the second connecting portion on the substrate is less than a distance between the center of the orthographic projection of the second connecting portion on the substrate and a center of an orthographic projection of the third connecting portion on the substrate.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongjin Hu, Mingqiang Wang, Jiaxiang Zhang, Chang Wang, Kun Zuo, Cunzhi Li, Fei Li, Yonglin Chen, Xi Bi, Bin Zhang
  • Patent number: 11798922
    Abstract: An electronic device including a driving circuit substrate, a plurality of light emitting units, and a first passivation layer is provided. The driving circuit substrate includes a plurality of active elements, the light emitting units are disposed on the driving circuit substrate, wherein each of the light emitting units is electrically connected to the corresponding active element. The first passivation layer covers the light emitting units. One of the active elements provides a first current to the corresponding light emitting element, such that the lighting efficiency of the light emitting units is ranged from 70% to 100%.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 24, 2023
    Assignee: InnoLux Corporation
    Inventor: Shun-Yuan Hu
  • Patent number: 11793050
    Abstract: A display device includes a display panel that displays an image, an input sensor arranged on the display panel and including transmission electrodes and reception electrodes electrically insulated from the transmission electrodes, and a readout circuit connected to the input sensor, wherein the readout circuit sequentially outputs a transmission signal to a portion of the transmission electrodes corresponding to a body composition sensing region and receives a reception signal from a portion of the reception electrodes corresponding to the body composition sensing region.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yuna Kim, Soojung Lee, Seungwook Chun, Boram Choi