Patents Examined by Jonathan Horner
  • Patent number: 8614652
    Abstract: A light emitting device display, its pixel circuit and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A bias current and programming voltage data are provided to the pixel circuit in accordance with a driving scheme so that the current through the driving transistor to the light emitting device is adjusted.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: December 24, 2013
    Assignee: Ignis Innovation Inc.
    Inventors: Arokia Nathan, G. Reza Chaji, Stefan Alexander
  • Patent number: 8599127
    Abstract: There is provided a method of driving an electrophoretic display device including a first substrate, a second substrate opposed to the first substrate, a plurality of microcapsules including electrophoretic particles, the plurality of microcapsules being arranged between the first substrate and the second substrate, a plurality of first electrodes formed on the plurality of microcapsules side of the first substrate, the plurality of first electrodes being arranged at a pitch equal to or smaller than an average diameter of the plurality of microcapsules in at least one direction, and a second electrode formed on the plurality of microcapsules side of the second substrate, the second electrode being opposed to the plurality of first electrodes. One or a plurality of the first electrodes are set as a driving unit. During removing a displayed image, the second electrode is in an electrically isolated condition.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: December 3, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Yoshiki Takei
  • Patent number: 8593378
    Abstract: An organic light emitting display device capable of displaying an image of uniform brightness. A scan driver drives scan lines and light emitting control lines that are formed parallel to each other. A data driver drives data lines formed at a direction intersecting the scan lines and the light emitting control lines, and pixels are disposed to be coupled with the scan lines, the light emitting control lines, and the data lines. An auxiliary line is formed parallel to the data lines. One side of the auxiliary line is coupled with a reference power supply and another side of the auxiliary line is coupled with a current source. Connectors are disposed at crossing areas of the auxiliary line and the scan lines. A voltage transfer unit is coupled with the connectors and transfers a voltage supplied to the connectors to the data driver.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: November 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Hyung Ryu, Bo Yong Chung, Oh Kyong Kwon
  • Patent number: 8593388
    Abstract: A liquid crystal display device includes a liquid crystal panel, gate and data drivers providing the liquid crystal panel with gate and data signals, and a timing controller receiving input signals that include an image signal, a sync signal, a data enable signal and a clock signal, wherein the timing controller includes a gate control signal generator controlling the gate driver, a data control signal generator controlling the data driver, a data processor supplying the image signal to the data driver, and a vertical enable signal generator generating a vertical enable signal according to the data enable signal and controlling the gate control signal generator and the data control signal generator.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: November 26, 2013
    Assignee: LG Display Co. Ltd.
    Inventors: Jin-Sung Kim, Ha-Young Ji
  • Patent number: 8570272
    Abstract: An electrophoresis display panel includes a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels, and a plurality of white sub-pixels. The first sub-pixels, the second sub-pixels, and the third sub-pixels are suitable for irradiating different light of three primary colors, respectively, while the white sub-pixels are suitable for irradiating white light. Each of the first sub-pixels does not adjoin the second sub-pixels and the third sub-pixels. Each of the second sub-pixels does not adjoin the third sub-pixels. Each of the first sub-pixels adjoins the white sub-pixels exclusively or adjoins the white sub-pixels and other first sub-pixels exclusively.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: October 29, 2013
    Assignee: Au Optronics Corporation
    Inventors: Ming-Che Hsieh, Chih-Wei Chu, Shih-Yu Wang
  • Patent number: 8564579
    Abstract: An ambient light sensing circuit includes a photodiode that flows a current in proportion to ambient light, a first storage capacitor that is electrically coupled with the photodiode and is discharged after being charged with a voltage of a first power supply, a second storage capacitor that is electrically coupled with the first storage capacitor and provides a coupling voltage, and a transistor that outputs a current from the first power supply corresponding to the coupling voltage of the first storage capacitor and the second storage capacitor after being electrically coupled with the second storage capacitor.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: October 22, 2013
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventor: Ohkyong Kwon
  • Patent number: 8564527
    Abstract: A circuit generates a reference voltage in inverse proportion to the variation in temperature to control the gate-on voltage for a gate line of a liquid crystal display so that the liquid crystal display may display an image without distortion.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: October 22, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hong-Sig Chu
  • Patent number: 8558792
    Abstract: The present invention is a storage medium storing a game program to be executed by a computer in a game apparatus comprising an input device for detecting positions designated by a player on an input surface. The game apparatus calculates an input graphic drawn on the input surface by using the positions detected by the input device. The game apparatus further calculates a degree of similarity between a share of each reference pattern indicated by previously stored shape data and a shape of the input graphic. Also, the game apparatus sets a reference value to each of the reference patterns. The game apparatus identifies the shape of the input graphic from among a plurality of reference patterns by using a result obtained by performing a predetermined calculation for each of the plurality of reference patterns through using the degree of similarity and the reference value set to one process is performed in accordance with the identified shape.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: October 15, 2013
    Assignee: Nintendo Co., Ltd.
    Inventor: Hiroshi Momose
  • Patent number: 8558824
    Abstract: A method of generating a driving voltage includes inputting a test gradation voltage to a first input terminal and a second input terminal of a buffer, latching the logic level of a test driving voltage output from an output terminal of the buffer, setting the buffer to a first type when the logic level of the test driving voltage is high level and setting the buffer to a second type when the logic level of the test driving voltage is low level, and operating the buffer set to the first type or the second type to generate a driving voltage corresponding to a gradation voltage.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: October 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-tae Kim, Soo-ik Cha, Chon-wook Park
  • Patent number: 8558777
    Abstract: A gate driver, comprises a plurality of shift registers configured to output signals sequentially such that an Nth shift register is reset by an output signal of an (N+2)th shift register, wherein last, second last and third last shift registers are reset by a last output signal of the last shift register.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: October 15, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Ho Jang, Binn Kim, Hyung Nyuck Cho
  • Patent number: 8558784
    Abstract: A flat panel display (FPD) with a reduced time required to change images between frames by improving waveforms of a selection signal and a drive signal. The FPD includes an electrode, an electrophoretic device with charged particles arranged in response to a data signal, and a transistor device controlling transmission of the data signal. An image frame includes a drive section in which the data signal is transmitted to the electrophoretic device to arrange the charged particles and display a grayscale image, and the data signal has a first pulse with a first voltage magnitude and a second pulse with a second voltage magnitude. The frame also includes a shake section for removing an image generated in a previous frame, and the selection signal transmitted to the transistor device during the shake section has a constant predetermined voltage and switches the transistor device on.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: October 15, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Tae-Jin Kim
  • Patent number: 8558779
    Abstract: A display device comprises a driver circuit having a shift register circuit having a level conversion function is provided with a simple circuit configuration of first, second, and third basic circuits connected in tandem at multistages. A common clear signal is supplied to a control electrode of a third transistor of each basic circuit, a first clock is supplied to a control electrode of a first transistor of each of the first and third basic circuits, a second clock different in phase from the first clock is supplied to a control electrode of a first transistor of the second basic circuit, outputs of the first and second basic circuit are respectively supplied to control electrodes of second transistors of the second and third basic circuits, and an inversion output of the third basic circuit is supplied to a control electrode of a fourth transistor of the first basic circuit.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: October 15, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Hideo Sato, Shigeyuki Nishitani, Takayuki Nakao, Masahiro Maki
  • Patent number: 8558802
    Abstract: Embodiments include methods and apparatus for performing capacitive touch sensing and proximity detection. Electrode selection circuitry establishes a first connection with an individual electrode of a plurality of individual electrodes in order to receive one or more first signals indicating a state of the individual electrode, and establishes second connections with a proximity electrode that comprises multiple ones of the plurality of individual electrodes in order to receive one or more second signals indicating a state of the proximity electrode. A processing system performs a first analysis on the first signals to determine whether to perform a first updating process for an individual electrode baseline value, and performs a second analysis on the second signals to determine whether to perform a second updating process for a proximity electrode baseline value. In an embodiment, the first analysis and the second analysis are different from each other.
    Type: Grant
    Filed: November 21, 2009
    Date of Patent: October 15, 2013
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Bryce T. Osoinach, Simon Mejia, Craig R. Teegarden
  • Patent number: 8558828
    Abstract: A driving circuit of an electrooptic device comprises: a plurality of scanning lines; a plurality of data lines; first and second capacitor lines; a common electrode; pixels, the pixels each including: a pixel switching element; a pixel capacitor; and a storage capacitor; a scanning-line driving circuit; and a capacitor-line driving circuit that shifts the voltage of a first (or second) capacitor line corresponding one scanning line to a predetermined voltage when said one scanning line is selected, and when a scanning line apart from said one scanning line by predetermined number of lines is selected, changes the predetermined voltage by a predetermined value or holds the predetermined voltage; and when said one scanning line is selected; and a data-line driving circuit.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: October 15, 2013
    Assignee: Japan Display West, Inc.
    Inventor: Katsunori Yamazaki
  • Patent number: 8542181
    Abstract: A flat panel display device, LCD controller and associated method is provided. The flat panel display device includes a display panel, a lamp for providing a backlight source for the display panel, a power transformation module for providing a power source for the lamp, a non-volatile storage unit for storing program code, and a display controller. The display controller includes an image processing module for processing image data and outputting processed results to the display panel, and a digital pulse width modulation module for adjusting on and off time of the power transformation module according to a synchronization signal.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: September 24, 2013
    Assignee: MStar Semiconductor, Inc.
    Inventors: Sterling Smith, Chih-Tien Chang
  • Patent number: 8451254
    Abstract: An electronic device, comprising a processing system; a sensor for detecting vibrations caused by a user striking the device and outputting a signal indicative of a parameter of those vibrations; wherein the processing system is configured to analyse the signal output from the sensor and determine a parameter related to the location of the strike. Other methods and systems for making inputs to electronic devices are also described.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: May 28, 2013
    Assignee: InputDynamics Limited
    Inventors: Giovanni Bisutti, Simon John Godsill
  • Patent number: 8416164
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes: a lower substrate having a first and a second common voltage supplying line, pixel regions defined by a plurality of gate lines and a plurality of data lines and arranged in a matrix, and a plurality of common lines electrically connected to the second common voltage supplying line and arranged to be parallel to each of the gate lines; an upper substrate disposed to face the lower substrate and having a common electrode electrically connected to the first common voltage supplying line; a dot for electrically connecting the first common voltage supplying line and the common electrode; and a common voltage generator for generating a first and a second common voltage for independently supplying the first and the second common voltage to the first and the second common voltage supplying line.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: April 9, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Kwang Hee Hwang, Chan Won Lee, Sung Hyun Cho
  • Patent number: 8405582
    Abstract: An organic light emitting display includes: scan lines for applying scan signals; control lines for applying control signals; and data lines for applying data signals. The organic light emitting display further includes: pixels coupled to the scan, control and data lines for displaying an image; power supply lines coupled to the pixels; and a data driver for supplying the data signals of the image to the data lines. The organic light emitting display also includes: a power supply driver for swinging a voltage at the power supply lines between a first level and a second level; a sensing unit including a current sink for sinking a first current from the pixels and a current source for supplying a second current to the pixels; and a switching unit for selectively electrically coupling the pixels to at least one of the data driver, the current source or the current sink.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: March 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yang-Wan Kim
  • Patent number: 8330700
    Abstract: In an active matrix display device, one source line is arranged for every two pixels arranged along a gate line direction, and each two pixels which are adjacent to each other along the gate line direction across one of the source lines share the source line and are each connected to different gate lines. A gate driver block performs a first driving control which sequentially selects, in a first order, the gate lines in a pair of two gate lines corresponding to two pixels which are adjacent to each other along the gate line direction and are connected to different source lines. The gate driver block also performs a second driving control which sequentially selects, in a second order which is opposite to the first order, the gate lines in such a pair of two gate lines.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: December 11, 2012
    Assignee: Casio Computer Co., Ltd.
    Inventors: Shigeru Yamanaka, Ryuichi Hirayama, Ken Yoshino
  • Patent number: 8305295
    Abstract: Optoelectronic Display System for Transport Vehicles is suggested providing simultaneous representation of visual information of different form and content relating to parameters of driving on windscreen and at dashboard plane. To form said visual information unified image creator based on two LCD matrixes is used and image intended for representation on windscreen in collimated form is created on their upper parts and on lower parts—for representation at dashboard plane. To improve operate reliability the system is provided with control device of image creator operation. In case one of LCDs is out-of-service the device is switching other (operable) LCD into mode of parameters ‘minimum number creation required for safe driving.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: November 6, 2012
    Inventors: Matvey Lvovskiy, Alexander Efros, Mikhail Lvovsky