Patents Examined by Lun-Yi Lao
  • Patent number: 9804723
    Abstract: An electrostatic capacitive coupling type touch panel including an input region having four sides, a peripheral region around the input region, terminals formed in the peripheral region along a first side of the input region, wirings formed in the peripheral region along second, third and fourth sides of the input region, and the input region having X and Y electrodes crossing. The wirings are connected between corresponding X or Y electrodes and wiring terminals plurality of terminals. A dummy wiring, which is not connected to any of the X electrodes or Y electrodes, is provided outside the wiring formed in a farthest position from the input region, and the dummy wiring extends through the peripheral region along the second, third and fourth sides of the input region, and electrically connects to at least one dummy wiring terminal.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 31, 2017
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., LTD.
    Inventors: Hiroshi Esaka, Shouji Ikeda, Kouichi Anno
  • Patent number: 9805679
    Abstract: The disclosure is related to a scan driving circuit for an oxide semiconductor thin film transistor and the NOR gate logic operation circuit thereof. The NOR gate logic operation circuit includes a first invertor and a second invertor applied in the pull down holding circuit of the GOA circuit, and a plurality of transistors. The combination of the NTFT and the invertor displaces the original function of the PMOS element to realize a characteristic similar to an original COMS NOR operation circuit, thereby solving a design problem of the logic operation circuit using a IGZO TFT single element, such that a larger scale digital integrated circuit is further suitably integrated into the liquid crystal display.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: October 31, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Chao Dai
  • Patent number: 9799273
    Abstract: A display device includes a data driver and a pixel current measuring unit. The data driver applies data signals to a plurality of data lines connected to a plurality of pixels. The pixel current measuring unit measures current flowing to the data lines in order to sense a state of degradation of the pixels. The data driver and pixel current measuring unit are integrally formed in one-body-type connected to the data lines.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: October 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seo Hyeong Yang
  • Patent number: 9791952
    Abstract: Disclosed is a touch display apparatus including a display panel, a substrate and a touch-sensing layer thereon. The substrate is disposed above the display panel and includes a touch-sensing region and a non-touch-sensing region. The touch-sensing layer includes a first trace, and at least a part of the first trace is disposed above the non-touch-sensing region. A mesh pattern is formed on a surface of the first trace.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 17, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Hsiung Chang, Yang-Chen Chen, Mei-Chun Shih
  • Patent number: 9786219
    Abstract: An organic light emitting display panel includes a plurality of pixels, each of which includes an organic light emitting diode and each coupled to a first power voltage line. A voltage supplied to the first power voltage line in a display mode is lower than a voltage supplied to the first power voltage line in an aging mode. The display mode includes a mode in which the organic light emitting diode emits light. The aging mode includes a mode in which the organic light emitting diode does not emit light.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Byung-Uk Han
  • Patent number: 9779675
    Abstract: A display device includes a display panel, a variable gate clock generator and a gate driver. The display panel includes a plurality of pixels coupled to a plurality of data lines and a plurality of gate lines, respectively. The variable gate clock generator generates a first variable gate clock signal and a second variable gate clock signal having respective duty ratios that are varied depending on a brightness of a frame image. The gate driver generates a plurality of gate driving signals for driving the gate lines in response to the first and second variable gate clock signals.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: October 3, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Young Park, Jeong-Doo Lee, Sung-Jun Kim, Yun-Mi Kim, Kyung-Hwa Lim, Ki-Hyun Pyun
  • Patent number: 9772718
    Abstract: An optical touch device and a touch detecting method using the same are provided. The optical touch device is suitable for use with a touch surface and includes a control unit and first to fourth optical capturing units. The first to fourth optical capturing units are disposed on a side of the optical touch device close to the touch surface. The first to fourth optical capturing units are respectively disposed at predetermined distances from the touch surface and are disposed based on predetermined angles. A touch covering area of each of the first to fourth optical capturing units is obtained respectively based on the predetermined distance and the predetermined angle. The touch covering area is positively correlated to the predetermined distance. At least one touch point on the touch surface is calculated by the control unit based on optical sensing information captured by the first to fourth optical capturing units.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: September 26, 2017
    Assignee: Wistron Corporation
    Inventors: Yen-Ting Lin, Yu-Yen Chen, Po-Liang Huang
  • Patent number: 9773464
    Abstract: According to one embodiment, a touch detection device includes a plurality of drive electrodes, a plurality of detection electrodes, a display driver which performs a touch scanning drive by supplying a touch drive signal to a target drive electrode to be driven, and a touch driver which transmits and receives a signal to and from the display driver, wherein at least one of the number of pulses of the drive synchronizing signal and a pulse width of each of the pulses of the drive synchronizing signal is determined based on the signal received from the display driver.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: September 26, 2017
    Assignee: Japan Display Inc.
    Inventors: Kohei Azumi, Hirofumi Nakagawa, Hiroshi Mizuhashi, Makoto Hayashi
  • Patent number: 9766734
    Abstract: Embodiments are disclosed for a touch-based device and methods for operation thereof. One embodiment provides a touch-based device having a display with a plurality of pixels and a touch input sensor overlying the display. The touch input sensor has a plurality of touch regions, each of which overlie an associated set of the pixels. The touch-based device further comprises a display controller configured to update the pixels according to a schema during which pixels are updated during update periods. The touch-based device yet further comprises a touch controller configured to recognize selectively applied touch inputs at the plurality of touch regions. The touch controller and the display controller are synchronized such that, for a given touch region, touch input recognition is modified while the display controller is updating the set of pixels associated with that touch region.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: September 19, 2017
    Assignee: NVIDIA CORPORATION
    Inventors: William Henry, Thomas Dean Skelton
  • Patent number: 9761192
    Abstract: The present application provides a method and display apparatus for improving uniformity of displayed image, The method comprises inputting a first image signal to a display apparatus; compensating the first image signal in accordance with an image compensation data to obtain a third image signal, wherein the image compensation data is an amount of shift in a voltage of a common electrode of an array substrate of the display apparatus determined in accordance with a difference value between a grey level information of the first image signal and the grey level information of an original second image signal corresponding to the first image signal; and displaying the third image signal. Through the method above, the present invention effectively improves the uniformity of the displayed image without decreasing the displayed brightness of the image.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: September 12, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Man Li, Feilin Ji, Xiaoping Tan
  • Patent number: 9759964
    Abstract: A semi-transmissive display apparatus including: a reflective electrode provided for each pixel, wherein the semi-transmissive display apparatus performs reflective display operation by using the reflective electrodes and transmissive display operation by using spaces between the reflective electrodes of the pixels.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: September 12, 2017
    Assignee: JAPAN DISPLAY INC.
    Inventors: Masaya Tamaki, Kazuyuki Maeda
  • Patent number: 9753518
    Abstract: An electronic apparatus and a display control method are described. The electronic apparatus includes a first display unit having a first visible part for displaying a first image; a first detecting unit for detecting a first parameter for indicating a relative distance between a target object and the first visible part; and a processing unit for generating an image to be displayed and for controlling the display of the first display unit according to at least the first parameter. When the first display unit is in a first state, if the relative distance is less than or equal to a threshold distance according to the first parameter, the processing unit controls the first display unit to switch from the first status to a second state, and the power consumption of the first display unit in the first state is lower than a power consumption in the second status.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: September 5, 2017
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Xiaoyu Zhou, Xiaoming Liu, Yiqiang Yan
  • Patent number: 9740283
    Abstract: The disclosure provides a display method and an electronic device. The display method includes: detecting whether display contents are to be displayed via a display unit of the electronic device, determining a first region corresponding to a gazing position of a user on the display unit, determining a second region on the display unit based on the first region, and displaying the display contents in the second region.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: August 22, 2017
    Assignee: Lenovo (Beijing) Co., Ltd.
    Inventors: Mei Xiang, Jian Lang, Xiaoping Zhang, Chunlong Yang
  • Patent number: 9733714
    Abstract: A computing system includes: an input-output unit configured to identify a tone-detection result for representing a transmission tone received at a device; a control unit, coupled to the input-output unit, configured to: determine a wave-detection profile including a frequency shift based on the tone-detection result, calculate a command-movement direction based on the wave-detection profile for representing the command-movement direction relative to the device and a further device, and identify a gesture command based on the command-movement direction for operating the device relative to the further device including displaying on the device.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: August 15, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ke-Yu Chen, Daniel Ashbrook
  • Patent number: 9734794
    Abstract: A device for driving a liquid crystal display, in which a pixel voltage is reduced by a kickback voltage variable according to grayscales, includes: a signal controller which receives an input image signal corresponding to a grayscale; an image signal corrector which corrects the input image signal and generates a data input signal; and a data driver which supplies a data voltage corresponding to the grayscale based on the data input signal, where the grayscale includes black, white grayscale and intermediate grayscales, the data voltage includes positive and negative voltages, and when a difference between a sum of the positive and negative voltages and a common voltage is defined an offset value, a first offset value corresponding to the black grayscale, a second offset value corresponding to the white grayscale and a third offset value corresponding to the intermediate grayscale satisfy the inequation: |first offset value?second offset value|?50 mV.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hwa Sung Woo
  • Patent number: 9733753
    Abstract: A flat self-luminous touch switch, including: a self-luminous touch unit, including at least one flat self-luminous pixel and a pixel driving interface; and a switch control unit, including a first driving interface and a second driving interface, wherein, the first driving interface is coupled with the pixel driving interface to provide at least one pixel driving signal and transmit a touch detection signal; and the second driving interface provides an analog switch channel and/or at least one digital output signal according to a detection result of the touch detection signal.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: August 15, 2017
    Assignee: RICH IP TECHNOLOGY INC.
    Inventors: Han-Chang Chen, Yen-Hung Tu, Chung-Lin Chia, Chih-Wen Wu, Jen-Chieh Chang
  • Patent number: 9727136
    Abstract: Examples relating calibrating an estimated gaze location are disclosed. One example method comprises monitoring the estimated gaze location of a viewer using gaze tracking data from a gaze tracking system. Image data for display via a display device is received and, without using input from the viewer, at least one target visual that may attract a gaze of the viewer and a target location of the target visual are identified within the image data. The estimated gaze location of the viewer is compared with the target location of the target visual. An offset vector is calculated based on the estimated gaze location and the target location. The gaze tracking system is calibrated using the offset vector.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: August 8, 2017
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Weerapan Wilairat, Vaibhav Thukral, David Nister, Morgan Kolya Venable, Bernard James Kerr, Chris Aholt
  • Patent number: 9727296
    Abstract: A wearable electronic device and a display switching method thereof, includes turning on a first display apparatus of the wearable electronic device to make the first display apparatus in a working state; rendering a first image in a first display region of the first display apparatus with a first display effect by the first display apparatus; obtaining first parameter information related to an input operation, by a sensing apparatus of the wearable electronic device; judging whether a second display apparatus of the wearable electronic device is to be turned on or not, according to the sensing parameter; and rendering a second image in a second display region of the second display apparatus with a second display effect by the second display apparatus, when the second display apparatus is to be turned on to make the second display apparatus in the working state.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 8, 2017
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Xi Wan, Xu Zhao, Ge Gao, Yuanyuan Deng
  • Patent number: 9728144
    Abstract: A method and apparatus for shifting a display driving frequency to avoid a noise of an electronic sensor module is provided. The method for operating of an electronic device includes detecting a driving frequency of a divider in an operating module of the electronic device, determining whether an offset exists in the detected driving frequency, and controlling an oscillation frequency of an oscillator in the operating module.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Hee Han, Joo-Hoon Lee
  • Patent number: 9721498
    Abstract: An OLED pixel includes a switching transistor to transfer a data signal to a driving transistor. The switching transistor includes a first gate coupled to receive a first scan signal and a second gate coupled to receive a second scan signal received before the first scan signal. A storage capacitor is connected to a first terminal of the driving transistor and the first transistor passes a data signal to a second terminal of the driving transistor based on the first and second scan signals. A compensation transistor and an initialization transistor are also included. The compensation transistor includes first and second gates to receive the first scan signal to establish a signal path between the first terminal and a third terminal of the driving transistor. The initialization transistor establishes a signal path between an initialization voltage and the storage capacitor between its two gates.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: August 1, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Mu Kyung Jeon