Patents Examined by Roy P Rabindranath
  • Patent number: 10580361
    Abstract: Provided are an organic light-emitting display panel and an organic display device, the organic light-emitting display panel includes: a display region and at least one peripheral circuit region; the peripheral circuit region is provided with shift registers cascaded in stages and clock signal lines of at least two different types, the number of clock signal lines in at least one of the different types is not less than 2, clock signals of one type of the clock signal lines are the same, clock signals of different types of the clock signal lines are different; the clock signal lines each is electrically connected to a clock signal input terminal of one of the shift registers, the shift registers each is configured to output a gate driving signal according to the clock signal in the clock signal line electrically connected to the input terminal of one of the shift registers.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: March 3, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10565891
    Abstract: A display apparatus includes: a display unit that displays a first image on a display surface; a control unit that causes the display unit to display the first image on the display surface; an object processing unit that generates a display object; and a storage unit. The control unit generates a second image by combining the display object generated by the object processing unit with the first image displayed on the display surface, and causes the display unit to display the second image. The storage unit stores first display data which represents the first image displayed on the display unit. The storage unit also stores second display data which represents the second image in association with the first display data.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: February 18, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yoshitaka Nakashin
  • Patent number: 10558283
    Abstract: A touch-control photosensitive structure for preventing red light leakage includes a metal substrate, an insulating layer, a photosensitive layer, a third metal layer and a transparent conductive layer. The insulating layer is disposed on the metal substrate. The photosensitive layer is disposed on the insulating layer. The photosensitive layer at least comprises red photosensitive blocks, green photosensitive blocks and blue photosensitive blocks, arranged alternately. A junction region is disposed at the junction of the photosensitive blocks in different colors. The third metal layer is disposed on the junction region. The third metal layer has a lower surface which a light absorption layer is disposed on. The light absorption layer absorbs a reflecting light otherwise reflecting off the metal substrate and the third metal layer and propagating therebetween. The transparent conductive layer is disposed on the third metal layer.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: February 11, 2020
    Assignees: INTERFACE TECHNOLOGY (CHENGDU) CO., LTD., INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITED
    Inventors: Yong Luo, Shang-Yu Huang
  • Patent number: 10559248
    Abstract: A display apparatus includes: a display panel; a gate driver that provides, to a plurality of scanning lines, scanning pulse signals for controlling pixel switches to be ON in a selection period corresponding to a pulse width thereof; a data driver that provides gradation voltage signals to a plurality of data lines; and a display controller that provides a modulated clock signal having a frequency that changes at a predetermined rate in one frame period. The gate driver sequentially provides the scanning pulse signals each having a pulse width reflecting to a clock cycle of the modulated clock signal in a predetermined order corresponding to distances from the data driver to the plurality of scanning lines. The data driver provides the gradation voltage signals in the order of providing the scanning pulse signals for every data period corresponding to the clock cycle of the modulated clock signal.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: February 11, 2020
    Assignee: LAPIS SEMICONDUCTOR CO., LTD.
    Inventors: Hiroshi Tsuchi, Katsunori Ito
  • Patent number: 10559260
    Abstract: The present invention relates to an organic light emitting diode display capable of suppressing voltage distribution inhomogeneity on a display panel so as to realize a brightness homogeneity of a display screen. The organic light emitting diode display comprises a substrate, an active region disposed on the substrate, and an annular wiring similarly formed on the substrate and surrounding the periphery of the active region to form a closed pattern, the supply voltage supplied to the active region is applied to the annular wiring.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 11, 2020
    Assignee: EVERDISPLAY OPTRONICS (SHANGHAI) LIMITED
    Inventors: Jie Ni, Nana Xiong
  • Patent number: 10559263
    Abstract: An array substrate includes: gate lines; data lines crossing the gate lines; first additional signal lines crossing the gate lines and an array of pixels, pixels in each of rows of pixels are connected to a same one of the gate lines; and there are one data line and one first additional signal line between any two adjacent columns of pixels; the array comprises first rows of pixels and second rows of pixels, the first pixels in each of first rows of pixels are connected respectively to the data lines, and the second pixels in each of second rows of pixels are connected respectively to the first additional signal lines; the gate lines comprise first gate lines and second gate lines, the first rows of pixels are connected respectively to the first gate lines, and the second rows of pixels are connected respectively to the second gate lines.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 11, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Dongxue Sun, Qian Wang
  • Patent number: 10553666
    Abstract: There is provided a display device including a pixel array portion including a plurality of pixels disposed in a matrix, a bending portion disposed at least outside the pixel array portion and to be bent, a peripheral circuit connected to the pixel array portion via the bending portion, the peripheral circuit for generating a signal to be supplied to the pixels, and a sealing film disposed avoiding the bending portion, the sealing film for preventing invasion of water particles into the pixel array portion and the peripheral circuit.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 4, 2020
    Assignee: Japan Display Inc.
    Inventor: Heisuke Kanaya
  • Patent number: 10545616
    Abstract: The present disclosure provides a touch display panel, a flexible display panel and a display apparatus. In one embodiment, light sensitive effect-based photo-sensitive diodes and switching transistors for controlling signal output of the photo-sensitive diodes are integrated in the display panel. Once a touch operation of an object (e.g., a finger) is implemented on a surface of the display panel, the photo-sensitive diode in a corresponding position can convert a sensed light intensity difference into an electrical signal difference to achieve detection of the touch operation.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Jing Lv, Chunwei Wu, Yingming Liu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Wei Liu, Pengpeng Wang, Yanan Jia, Yanling Han, Xueyou Cao, Ping Zhang, Yuzhen Guo
  • Patent number: 10534488
    Abstract: Capacitance distribution between each of detection electrodes and a stylus pen on a touch panel is detected with a simple configuration. A read step and a detection step are included. In the read step, a switch element selected among a plurality of drive sense switch elements (DST) between detection electrodes (E) and drive sense lines (DS) aligned in an X-axis direction based on a code sequence via control lines (DSS) aligned in a Y-axis direction is made to turn on, and a linear sum signal is read from each of the detection electrodes (E). In the detection step, a capacitance is detected.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: January 14, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mutsumi Hamaguchi, Masayuki Miyamoto, Shinji Shinjo
  • Patent number: 10529295
    Abstract: A display apparatus includes a timing controller and a gate-driver on array (GOA) control circuit. The timing controller generates a frame synchronization signal. The GOA control circuit is coupled to the timing controller and includes a scan signal management circuit and a level shifter. The scan signal management circuit generates a scan signal management signal according to the frame synchronization signal, a predetermined panel parameter, and an operation clock signal. The scan signal management circuit includes a storage unit which stores the predetermined panel parameter. The level shifter generates a scan control signal according to the scan signal management signal to control a GOA of a display panel circuit. The GOA generates a gate driving signal to control a vertical scan operation of the display panel circuit.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: January 7, 2020
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Chien-Chung Chen, Hsing-Shen Huang
  • Patent number: 10528181
    Abstract: A touch controlling method, an electronic device, and a non-transitory computer-readable recording medium are disclosed. The touch controlling method includes: sensing a first touch on the touchpad; sensing a static contact area of the first touch when the first touch is static; and triggering a first click operation when the static contact area of the first touch exceeds a first area threshold.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: January 7, 2020
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Chun-Tsai Yeh, Hung-Yi Lin, Jung-Hsing Wang
  • Patent number: 10514811
    Abstract: An electronic device including: a first pattern part including first mesh lines in which a plurality of first cut line parts are defined; and a second pattern part spaced apart from the first pattern part in a first direction and including a plurality of second cut line parts in which a plurality of second cut line parts are defined. A first reference region is defined in the first pattern part; a second reference region having a same width and area as the first reference region in a second direction crossing the first direction is defined.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-hwan Park, Nayun Kwak, Jongseok Kim
  • Patent number: 10510288
    Abstract: The present disclosure provides a dot correction method for a LED display device. The LED display device has a plurality of LED units arranged in an array. The method comprises providing driving currents to the plurality of LED units in columns or rows of the LED display device to make the LED units emit light; obtaining non-uniform brightness information corresponding to the LED units in columns or rows of the LED display device; and adjusting the driving current provided to each LED unit according to the non-uniform brightness information, in order to make the brightness of each LED unit be the same.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: December 17, 2019
    Assignee: SILICON TOUCH TECHNOLOGY INC.
    Inventors: Chi-Yuan Chin, Kuei-Jyun Chen
  • Patent number: 10509497
    Abstract: To acquire touch position data with a good SN ratio without affecting a display action of a display element, a touch panel includes a non-drive region and a drive region. The non-drive region moves so as to correspond to one of a plurality of scanning signal lines selected and driven in order in a display period included in each frame of a display element. The drive region represents a region except for the non-drive region. A touch panel controller drives a signal line corresponding to the drive region and stops driving a signal line corresponding to the non-drive region.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: December 17, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mutsumi Hamaguchi, Masayuki Miyamoto, Shinji Shinjo
  • Patent number: 10510315
    Abstract: Provided are a display panel, a driving method thereof and a display device, for improving the quality of displayed images and reducing the power consumption. The display panel includes first and second pixel units of opposite polarities, and first and second data lines for transmitting signals of opposite polarities. The first and the second pixel units each includes at least two sub-pixels of different colors. The first data line is connected to the first pixel units in the (j?1)th and jth columns of sub-pixels. Sub-pixels in the first pixel unit in the (j?1)th column have different colors from those in the first pixel unit in the jth column. The second data line is connected to the second pixel units in the jth and (j+1)th columns. Sub-pixels in the second pixel unit in the jth column have different colors from those in the second pixel unit in the (j+1)th column.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: December 17, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hongbo Zhou, Huangyao Wu, Xiufeng Zhou, Boping Shen
  • Patent number: 10504474
    Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: December 10, 2019
    Assignees: Samsung Display Co., Ltd., Sogang University Research Foundation
    Inventors: Moon Sang Hwang, Weon Jun Choe, Jun Sang Park, Tai Ji An, Seung Hoon Lee
  • Patent number: 10503281
    Abstract: A pen pressure detection device includes: a pressure sensor including electrodes that output electrical information corresponding to an applied pressure; and a holder configured to electrically connect the pressure sensor to a circuit board having a circuit that detects the applied pressure based on the electrical information output from the pressure sensor. The holder includes a first portion that retains the pressure sensor and a second portion that engages with the circuit board, and the holder has a surface on which wiring is formed, the wiring extending from the first portion to the second portion, and the electrodes of the pressure sensor being electrically connected to the circuit board via the wiring when the holder and the circuit board are engaged with each other. The pen pressure detection device can be easily assembled and maintain a connection to the circuit board when the applied pressure is high.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 10, 2019
    Assignee: Wacom Co., Ltd.
    Inventors: Hiroyuki Fujitsuka, Takenori Kaneda, Takayuki Arai, Kenichi Ninomiya, Kohei Tanaka
  • Patent number: 10503282
    Abstract: Provided is technology that makes it easy to select a format for inputting drawings or characters when inputting to a display apparatus such as a tablet or the like using a touch pen. A display-input system includes a tablet, and a touch pen as an input unit for the tablet. The tablet and touch pen are capable of linked operation by communicating with each other. Contents (input-format-selection screen) that are the same as a palette of the tablet are displayed on a pen-side touch panel of the touch pen so that selection is possible. A format that is selected by a user operating the pen-side touch panel is reflected on an application that is being executed by the tablet, and reflected on the application in the same way as direct operation on the tablet.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: December 10, 2019
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Takuya Tsuji
  • Patent number: 10504398
    Abstract: The present invention provides a driving method for a display panel. In an n-th scanning period, the pixel unit on the i-th row and an x-th column receives data signals. At least two subpixels with different colors on the i-th row and the x-th column of pixel unit receive the data signals according to a first sequence. In an (n+1)th scanning period, the pixel unit on the j-th row and an x-th column receives data signals. At least two subpixels with different colors on the j-th row and the x-th column of pixel unit receive the data signals according to a second sequence. A color of the subpixel which last receives the data signal in the first sequence is the same as a color of the subpixel which first receives the data signal in the second sequence.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: December 10, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Tingting Zhang, Chun-hung Huang, Cong Wang
  • Patent number: 10488885
    Abstract: The present application discloses display adjustment methods and devices. One display adjustment method disclosed herein comprises: acquiring display information of a display; and adjusting a posture and/or a location of the display according to the display information. The methods and the devices, which can actively adjust a location and a posture of a display according to display information, reduces adjustment steps to be performed by a user, thus increases use efficiency and improves user experience.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: November 26, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventors: Jia Liu, Hanning Zhou