Patents Examined by William Boddie
  • Patent number: 10095358
    Abstract: A method and system for driving capacitive pixels in a touch sensor device using a multi-level drive scheme. The drive scheme includes driving a transmitter electrode with a boosted voltage for a first period, and driving the transmitter electrode with a second voltage for a second period. The multi-level transmitter signal is determined based on different settling responses associated with the capacitive pixels of the touch sensor device.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: October 9, 2018
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Petr Shepelev, Adam Schwartz
  • Patent number: 10068538
    Abstract: According to an aspect, a display device comprising: a display unit; a plurality of electrodes arranged side by side in a first direction along a display surface of the display unit; a detecting unit that detects one of an electric resistance of the electrodes, a voltage, and a current; and a specifying unit that specifies temperature distribution of the display surface based on the one of the electric resistance of the electrodes, the voltage, and the current. The electrodes are tapered in a second direction along the display surface and orthogonal to the first direction, and the electrodes include a first electrode tapered toward one side in the second direction and a second electrode tapered toward the other side opposite to the one side. The first and second electrodes are alternately arranged side by side in the first direction.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: September 4, 2018
    Assignee: Japan Display Inc.
    Inventors: Chihiro Tanaka, Toshihiko Tanaka, Toshinori Uehara
  • Patent number: 10055031
    Abstract: An input apparatus including an electronic pen and a terminal having a foldable display unit is provided. An electronic pen generates an ultrasonic signal and an infrared signal. A terminal detects the ultrasonic signal and the infrared signal and calculates coordinate information of the electronic pen based on the received ultrasonic signal and the infrared signal. The terminal determines coordinate information of the electronic pen with respect to the foldable display unit by measuring a folding angle of the foldable display unit.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Gook Park, Hyun Jin Kim, Min Kyu Park
  • Patent number: 10056031
    Abstract: Provided is a data driver for a display panel. The data driver includes an auxiliary power generating unit and an auxiliary power output unit. The auxiliary power generating unit may generate an auxiliary power. The auxiliary power output unit may supply the auxiliary power to the display panel when the display panel is driven in a power saving mode under the control of the auxiliary power generating unit. The auxiliary power output unit may include a first transistor configured to output the auxiliary power output from the auxiliary power generating unit, a diode configured to output the auxiliary power output from the first transistor, and a second transistor connected to the diode in parallel and configured to output the auxiliary power together with the diode.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 21, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Subin Park
  • Patent number: 10048754
    Abstract: Touch interfaces for electronic devices including one or more tactile response mechanisms. The tactile response mechanisms receive user input and provide a tactile response to the user to indicate that the user has selected a particular location or selectable area on the interface. The underside of the interface includes recesses and/or channels corresponding to on each specific touch or selectable area that localize the tactile response to the individual selectable areas.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: August 14, 2018
    Assignee: GRAYHILL, INC.
    Inventors: Kevin M Dooley, Robert F Kerner
  • Patent number: 10048725
    Abstract: An electronic device is provided having a video out mode for providing output to an external display coupled to the electronic device. The electronic device may automatically detect connection of the external display and select a display mode from a list of display modes based on selection criteria. The video out mode may include a user interface for controlling a presentation displayed on the external display. The user interface may include controls, including touch-sensitive controls, for advancing the presentation, moving back in the presentation, navigating the presentation, exiting the video out mode, and displaying of a pointer on the external display.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: August 14, 2018
    Assignee: APPLE INC.
    Inventors: Ted Stephen Boda, Benjamin Stiglitz, Haroon Saleem Sheikh
  • Patent number: 10048810
    Abstract: A system detecting actuation of a pre-determined function, the actuation executed by touch contact with a pre-determined path associated with the function on a touch-sensitive surface of an object, including: at least two separate sources for transmitting bulk acoustic waves in the touch-sensitive surface, configured to generate acoustic interference between the transmitted waves; at least one bulk acoustic wave receiver after propagation and interference thereof in the touch-sensitive surface, configured to supply a reception signal based on the acoustic waves received; a mechanism storing plural reference spectral signatures associated with the pre-determined path, each of the spectral signatures associated with a localization of a touch on the pre-determined path; and a mechanism detecting actuation of the pre-determined function by comparing at least one spectral signature of the reception signal to a spectral envelope, or reference spectral envelope, of the plural reference spectral signatures associated
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: August 14, 2018
    Assignees: Commissariat à l'énergie atomique et aux énergies alternatives, RENAULT s.a.s.
    Inventors: Gerard Chalubert, Jean-Pierre Nikolovski, Nicolas Guenard, Olivier Brelaud, Jean-Philippe Alexander
  • Patent number: 10048775
    Abstract: A touch input device configured to detect stylus signals generated by an external stylus is provided. The touch input device includes a plurality of stylus signal detectors that can receive the stylus signal and estimate the start and end time of the stylus signal in order to facilitate windowed demodulation of signal. The touch input device also includes circuitry to determine which of the plurality of detectors is most likely to have received the stylus signal and based on that determination can demodulate the signal and extract data embedded within the stylus signal.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 14, 2018
    Assignee: APPLE INC.
    Inventors: Shahrooz Shahparnia, John Greer Elias
  • Patent number: 10043443
    Abstract: A luminance compensating method and apparatus for a display device is provided.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: August 7, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Xiangfei Zhang
  • Patent number: 10043462
    Abstract: A display apparatus includes an image analyzer that analyzes image data and outputs an interrupt signal at a period during which the image data of a low frequency change to the image data of a high frequency, a frequency detector that detects the high frequency, a frame rate controller that outputs a vertical synch signal of the high frequency in response to the interrupt signal, a polarity compensation controller that determines a last frame of the low frequency based on an interrupt period at which the interrupt signal is generated, generates a reversed polarity signal with respect to a polarity signal of the last frame and outputs the reversed polarity signal during a polarity compensation period close to the interrupt period, and a data driver circuit that outputs a data signal based on the reversed polarity signal to a data line during the polarity compensation period.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Hyeong Park, Kyoung-Won Lee, Sang-Mi Kim, Ji-Myoung Seo, Hyun-Dae Lee, Ho-Yong Jung, Hee-Soon Jeong
  • Patent number: 10043457
    Abstract: A display for a computer system, such as an LCD, is configured to consume less power when compared to conventional designs. The display includes a screen and at least one backlight configured to illuminate the screen. An input to the at least one backlight is adjustable to produce a desired level of brightness. The input may be computed based on a generated source image and a defined constraint. An input to the display is computed based on the input to the at least one backlight and the source image. The input to the display modifies the level of brightness provided by the at least one backlight to produce a viewable image.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: August 7, 2018
    Assignee: NVIDIA CORPORATION
    Inventor: David B. Kirk
  • Patent number: 10043794
    Abstract: A semiconductor device includes a first wiring; a first switch having a function of controlling electrical connection between the first wiring and first and second capacitors; a second wiring; a transistor electrically connected to the second wiring and the first capacitor; a second switch having a function of controlling electrical connection between a gate and a source or a drain of the transistor; a third switch having a function of controlling electrical connection between the transistor and the first and second capacitors; a fourth switch having a function of controlling electrical connection between the second capacitor and the transistor; a third wiring; and a fifth switch having a function of controlling electrical connection between the third wiring and the second capacitor so that an operation defect of the semiconductor device can be prevented.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: August 7, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10037104
    Abstract: A touch panel device includes an abnormal state determining part that determines if there is an abnormal state based on second difference information extracted by a second difference information extracting part and a second baseline stored in a second baseline storage, and a controller that, if the abnormal state determining part determines that there is an abnormal state, controls to update a first baseline stored in a first baseline storage and the second baseline stored in the second baseline storage.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: July 31, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kageyasu Miyahara, Seiichiro Mori
  • Patent number: 10019057
    Abstract: Methods, systems, and computer programs are presented for managing the display of images on a head mounted device (HMD). One method includes an operation for tracking the gaze of a user wearing the HMD, where the HMD is displaying a scene of a virtual world. In addition, the method includes an operation for detecting that the gaze of the user is fixed on a predetermined area for a predetermined amount of time. In response to the detecting, the method fades out a region of the display in the HMD, while maintaining the scene of the virtual world in an area of the display outside the region. Additionally, the method includes an operation for fading in a view of the real world in the region as if the HMD were transparent to the user while the user is looking through the region. The fading in of the view of the real world includes maintaining the scene of the virtual world outside the region.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: July 10, 2018
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Steven Osman, Xiadong Mao, Jeffrey Roger Stafford
  • Patent number: 10014068
    Abstract: A semiconductor device in which a decrease in the yield by electrostatic destruction can be prevented is provided. A scan line driver circuit for supplying a signal for selecting a plurality of pixels to a scan line includes a shift register for generating the signal. One conductive film functioning as respective gate electrodes of a plurality of transistors in the shift register is divided into a plurality of conductive films. The divided conductive films are electrically connected to each other by a conductive film which is formed in a layer different from the divided conductive films are formed. The plurality of transistors includes a transistor on an output side of the shift register.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: July 3, 2018
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Masayuki Sakakura, Yuugo Goto, Hiroyuki Miyake, Daisuke Kurosaki
  • Patent number: 10013078
    Abstract: There is provided a failure identification method of an optical navigation device including the steps of: constructing a fixed noise map according to image frames captured by an image sensor; calculating a feature value of the fixed noise map; identifying whether the fixed noise map is uniform or not according to the feature value; and generating an alert signal when the fixed noise map is non-uniform for indicating failure of the optical navigation device.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: July 3, 2018
    Assignee: PIXART IMAGING INC.
    Inventor: Willie Song
  • Patent number: 10008165
    Abstract: Disclosed is a display device for use of a surface display of an arbitrary shape, including a plural number of display element units, each made up of a circuit that forms a single stage of a scanning circuit and a pixel circuit connected to an output of the scanning circuit, are arranged in a unicursal fashion on a display substrate.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: June 26, 2018
    Assignee: NLT TECHNOLOGIES, LTD.
    Inventors: Hiroshi Haga, Hideki Asada, Setsuo Kaneko
  • Patent number: 10002567
    Abstract: A pixel circuit having a function of compensating for characteristic variation of an electro-optical element and threshold voltage variation of a transistor is formed from a reduced number of component elements. An input signal is sampled from a signal line so as to be held in a holding capacitor. The threshold voltage of the drive transistor is imparted to the holding capacitor in order to cancel an influence of the threshold voltage.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: June 19, 2018
    Assignee: Sony Corporation
    Inventors: Katsuhide Uchino, Junichi Yamashita, Tetsuro Yamamoto
  • Patent number: 9990889
    Abstract: A display device has first and second pixel columns and at least one third pixel column. The first pixel column includes first pixels to emit light of a first color and a second pixels to emit light of a second color alternately arranged in a first direction. The second pixel column includes the first pixels and the second pixels arranged in the first direction in a reverse order from the first pixel column. The at least one third pixel column includes third pixels to emit light of a third color and arranged in the first direction. The first and second pixel columns are alternately arranged in a second direction crossing the first direction. The third pixel column is between the first and second pixel columns. The second pixel of the first pixel column and the second pixel of the second pixel column are connected to a same data line.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Yong Song, Kyung Youl Min
  • Patent number: 9984615
    Abstract: There is provided a pixel driving circuit, a driving method, an array substrate and a display device. The pixel driving circuit comprises: a first switching unit, being turned on or off according to a first scanning signal to control a transmission of a data signal; a first charging unit, having first terminal connected to a second terminal of the first switching unit; a first driving unit, having control terminal connected to a second terminal of the first charging unit, first terminal connected to a first power supply, and second terminal connected to a second power supply; a first driving compensation unit, for producing a predetermined voltage at the control terminal of the first driving unit, so that a current flowing through the light-emitting device is independent of threshold voltage of the first driving unit. Accordingly, the threshold voltage is prevented from affecting light-emitting luminance, luminance uniformity is ensured.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: May 29, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zuquan Hu