Patents Examined by Linh N Hoffner
  • Patent number: 9355593
    Abstract: A pixel having a simplified structure can compensate for the threshold voltage of a driving transistor thereof. The pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a storage capacitor coupled between a data line and a first node, a second transistor having a first electrode coupled to a first power source, a second electrode coupled to an anode electrode of the OLED, and a gate electrode coupled to the first node, a first transistor coupled between the first node and the second electrode of the second transistor, a gate electrode of the first transistor being coupled to a current scan line, and a third transistor coupled between the second electrode of the second transistor and the anode electrode of the OLED, a gate electrode of the third transistor being coupled to a control line.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: May 31, 2016
    Assignees: Samsung Display Co., Ltd., Industry-University Corporation Foundation Hanyang-University
    Inventors: Jin-Tae Jeong, Oh-Kyong Kwon
  • Patent number: 9330604
    Abstract: The present invention belongs to the field of display technology, and provides an OLED pixel circuit, a drive method thereof and a display device, which may solve the problem of relatively complicated control circuit and manufacturing process of an existing in-cell touch screen. In the OLED pixel circuit of the present invention, the data writing unit is for writing power supply voltage signal and data line voltage signal into the storage unit; the storage unit is for supplying voltage to the drive unit; the touch detecting unit is for sensing touch and generating a detecting signal; the drive unit is for converting the detecting signal into a touch output signal and for providing drive current for the OLED; and the light-emitting control unit is for turning on the drive unit and the OLED. The present invention may allow the touch display device to be thinner and lighter.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: May 3, 2016
    Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd
    Inventors: Quanguo Zhou, Xiaojing Qi
  • Patent number: 9329704
    Abstract: The present invention achieves an information input apparatus for inputting position location information by an input using a pen-type input device configured to acquire handwriting data expressed as a trace of coordinate positions. The information input apparatus includes: an input format presenting unit for presenting an input format for interpreting the handwriting data, the input format having a location input field used to input a figure or a symbol in such a manner that a location in a drawing is identifiable; a location information acquisition unit for recognizing the figure or the symbol inputted in the location input field and for acquiring information on the location of the figure or the symbol inputted in the location input field, on the basis of the handwriting data of the figure or symbol inputted in the location input field.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: May 3, 2016
    Assignee: HITACHI SOLUTIONS, LTD.
    Inventor: Kazuomi Shiota
  • Patent number: 9330597
    Abstract: A pixel having a simplified structure can compensate for the threshold voltage of a driving transistor thereof. The pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a storage capacitor coupled between a data line and a first node, a second transistor having a first electrode coupled to a first power source, a second electrode coupled to an anode electrode of the OLED, and a gate electrode coupled to the first node, a first transistor coupled between the first node and the second electrode of the second transistor, a gate electrode of the first transistor being coupled to a current scan line, and a third transistor coupled between the second electrode of the second transistor and the anode electrode of the OLED, a gate electrode of the third transistor being coupled to a control line.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: May 3, 2016
    Assignees: Samsung Display Co., Ltd., Industry-University Corporation Foundation Hanyang-University
    Inventors: Jin-Tae Jeong, Oh-Kyong Kwon
  • Patent number: 9316856
    Abstract: In a method of driving touch sensing display panel and a display apparatus for performing the method, image data are outputted to the touch sensing display panel during an active period of a frame, the touch sensing display panel comprising a display substrate including a switching element connected to a data line extending in a column direction and a gate line extending in a row direction, and a touch sensing substrate including a light sensing part connected to a read-out line substantially parallel to the data line and a scan line substantially parallel to the gate line. A sensing signal is read out through the read-out line during a blanking period of the frame.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Bong-Hyun You, Jae-Sung Bae, Sang-Je Lee
  • Patent number: 9318055
    Abstract: A stage circuit including a plurality of stages connected to each other, where each of the stages includes: an output unit configured to output a voltage of a first power source or a signal of a third input terminal to an output terminal, based on a voltage applied to a first node or a second node; a first driver configured to control a voltage at a third node, based on signals of a first input terminal, a second input terminal and the third input terminal; a second driver configured to control the voltage at the first node, based on the signal of the second input terminal and the voltage at the third node; and a first transistor connected between the second node and the third node and maintained in a turn-on state.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hye Kim, Seung-Kyu Lee, Ki-Myeong Eom
  • Patent number: 9310996
    Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a display unit including a touch screen; a sensing unit configured to sense a touch input pattern on the display unit when the display unit is in a lock mode and displaying a lock screen; and a controller configured to detect at least a first code from the touch input pattern, said first code corresponding to at least a first portion of the touch input pattern, change the lock screen into a first screen on the display unit that is preset based on the detected first code, and release the lock mode with the first screen displayed when the sensing unit no longer senses the touch input pattern on the display unit.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: April 12, 2016
    Assignee: LG ELECTRONICS INC.
    Inventor: Taehoon Lee
  • Patent number: 9311846
    Abstract: A display apparatus and control method are provided. The display apparatus includes a transparent display panel, an image processor that processes an image signal to display an image on the transparent display panel based on the processed image signal, a sensor which senses a user located in front of and behind the transparent display panel. The display apparatus includes a controller that determines by the sensor whether a user is located in front of, or behind, the transparent display panel if the image is displayed on the transparent display panel to be normally recognized by a user located in front of the transparent display panel. The controller controls the image processor to selectively display on the transparent display panel a reverse image of the image to be normally recognized by a user located behind the transparent display panel according to the determination.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-won Lee, Ju-yong Kim, Young-ran Han
  • Patent number: 9286829
    Abstract: A display device includes a display panel including a display area, in which pixels are arranged, and a non-display area, a driving circuit on the non-display area of the display panel, the driving circuit being configured to drive the pixels and including a memory cell, and a delay circuit on the non-display area of the display panel, the delay circuit being connected to the memory cell of the driving circuit and being configured to delay a signal input to the memory cell of the driving circuit.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hye-Sung Kim, Dae-Kyun Oh, Ki-Sik Park
  • Patent number: 9268399
    Abstract: Disclosed is a system, apparatus, computer readable storage medium, and method to perform a context inference for a mobile device. In one embodiment, a data processing system includes a processor and a storage device configurable to store instructions to perform a context inference for the data processing system. Data may be received from at least a first sensor, and a first classification of the data from the sensor may be performed. Confidence for the first classification can be determined and a second sensor can be activated based on a determination that the confidence fails to meet a confidence threshold. A data sample classification from the activated second sensor may be classified jointly with the data from first sensor.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: February 23, 2016
    Assignee: QUALCOMM INCORPORATED
    Inventors: Leonard Henry Grokop, Shankar Sadasivam
  • Patent number: 9268417
    Abstract: A position pointer is provided for use with a position detection sensor, capable of achieving power saving. The position pointer includes: a first electrode configured to receive an AC signal from a position detection sensor; a transmission signal production circuit configured to produce a position signal, based on which the position detection sensor detects a position of the position pointer; a second electrode different from the first electrode and configured to transmit the position signal to the position detection sensor; a signal detection circuit configured to detect whether or not the AC signal from the position detection sensor is received through the first electrode; and a transmission controlling circuit configured to control transmission of the position signal through the second electrode to the position detection sensor in response to an output from the signal detection circuit.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: February 23, 2016
    Assignee: Wacom Co., Ltd.
    Inventors: Yasuo Oda, Masaki Yagi, Yoshihisa Sugiyama
  • Patent number: 9269308
    Abstract: Display backlight units are controlled with a signal. A message has an address header specifying one of an array of backlight units, and instructions for individually controlling each of the backlight units, particularized accordingly. The message is routed from a controller to a first controllable backlight unit of the display, which controllably responds to its corresponding particularized instructions. The message is sequentially routed in order from each backlight unit to the next in a chained ring configuration. Data from the backlight units is similarly routed back to the controller.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: February 23, 2016
    Assignee: Dolby Laboratories Licensing Corporation
    Inventor: Ajit Ninan
  • Patent number: 9245487
    Abstract: Systems, methods, and devices for reducing the loss of transmittance caused by column inversion. To provide one example, an electronic display may include a display panel with columns of pixels and driver circuitry to drive the pixels using column inversion. Adjacent columns that are driven at like polarity are spaced more closely than adjacent columns driven at opposite polarities.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: January 26, 2016
    Assignee: APPLE INC.
    Inventors: Zhibing Ge, Shih Chang Chang, Cheng Chen, Hopil Bae, Ming Xu, Shawn Robert Gettemy, Wei H. Yao
  • Patent number: 9236527
    Abstract: The present invention provides an electronic apparatus, such as a lighting device comprised of light emitting diodes (LEDs) or a power generating apparatus comprising photovoltaic diodes, which may be created through a printing process, using a semiconductor or other substrate particle ink or suspension and using a lens particle ink or suspension. An exemplary apparatus comprises a base; at least one first conductor; a plurality of diodes coupled to the at least one first conductor; at least one second conductor coupled to the plurality of diodes; and a plurality of lenses suspended in a polymer deposited or attached over the diodes. The lenses and the suspending polymer have different indices of refraction. In some embodiments, the lenses and diodes are substantially spherical, and have a ratio of mean diameters or lengths between about 10:1 and 2:1. The diodes may be LEDs or photovoltaic diodes, and in some embodiments, have a junction formed at least partially as a hemispherical shell or cap.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: January 12, 2016
    Assignee: NthDegree Technologies Worldwide Inc
    Inventors: William Johnstone Ray, Mark D. Lowenthal, Neil O. Shotton, Richard A. Blanchard, Mark Allan Lewandowski, Kirk A. Fuller, Donald Odell Frazier
  • Patent number: 9229551
    Abstract: The present invention provides a capacitive sensor and detection method using the same. The capacitive sensor of the present invention includes at least one detecting plate and at least one reference plate surrounding each detecting plate. All of the reference plates are electrically coupled to the same first wire, and each reference plate is electrically coupled to a second wire. When an electrical signal is provided to the first wire and each second wire, one or more detecting plates touched or approached can be detected simultaneously based on the signal difference between each second wire and the first wire.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: January 5, 2016
    Assignee: EGALAX—EMPIA TECHNOLOGY INC.
    Inventor: Cheng-Han Lee
  • Patent number: 9232032
    Abstract: There is provided an electronic device which includes a display device, a case configured to retain the display device, a stopper disposed between the retained display device and the case, and a component arranged in a space formed by disposing the stopper. Further, there is provided an electronic device which includes a display device, a case including a first space for retaining the display device, the display device being operable to be slid into the first space, a stopper disposed in a second space between the retained display device and the case, and an electronic device arranged in a third space formed by arranging the stopper.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: January 5, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Takashi Matsumoto, Tetsuya Hori
  • Patent number: 9223405
    Abstract: Disclosed are an apparatus and a method for inputting events. An embodiment of the present invention can generate left and right click events in addition to activating and stopping pointers by sensing a rolling of a wrist and calculate and output a coordinate displacement according to the motion of the hand at the time of activating the pointers according to the events. Further, the embodiment of the present invention can be applied to a large-sized display or a contactless spatial input apparatus of an HMD, entertainment such as games, and the like, and can overcome restricted environments by a gesture input scheme under special environment.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: December 29, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong Wan Ryoo, Jun Seok Park
  • Patent number: 9183793
    Abstract: An electrophoretic display apparatus driving method that allows DC balance to be achieved and reduces variations in size and color tone of a displayed image that may occur in a partial-screen drive method and related apparatus are provided. The drive method includes a first image display step (S2) of displaying a first image in a first color on a display section, a first image adjustment step (S3) of displaying a background of the first image in a second color, a first image deletion step (S4) of displaying the background of the first image in the first color, a second image display step (S12) of displaying a background of a second image in the second color, a second image adjustment step (S13) of displaying the second image in the first color, and a second image deletion step (S14) of displaying the second image in the second color.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 10, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Tetsuro Murayama
  • Patent number: 9183799
    Abstract: With respect to liquid crystal display inversion schemes, a large change in voltage on a data line can affect the voltages on adjacent data lines due to capacitive coupling between data lines. The resulting change in voltage on these adjacent data lines can give rise to visual artifacts in the data lines' corresponding sub-pixels. Various embodiments of the present disclosure serve to prevent or reduce these visual artifacts by applying voltage to a data line more than once during the write sequence. Doing so can allow erroneous brightening or darkening caused by large voltage swings to be overwritten without causing additional large voltage swings on the data line.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: November 10, 2015
    Assignee: Apple Inc.
    Inventors: Steven Porter Hotelling, Marduke Yousefpor, Hopil Bae
  • Patent number: 9170606
    Abstract: An information processing device, while in a first input mode for receiving a touchless operation as an input, receives a touchless operation as an input, and starts processing that corresponds to the received touchless operation. If the information processing device detects a switch operation, which is made with a touch on the information processing device for switching from the first input mode to a second input mode that is a mode for receiving a touch operation as an input, within a predetermined time period after the reception of the touchless operation, the information processing device sets an output status obtained as a result of the started processing to an output status which has been obtained before the start of the processing.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: October 27, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takuya Matsumoto, Rinako Kamei, Norihiro Matsui