Patents Examined by Stuart McCommas
  • Patent number: 7884816
    Abstract: Scanning beam display systems using fluorescent screens and various servo feedback control mechanisms to control display imaging qualities, including techniques and mechanism for measuring and correcting pyramidal errors of a polygon scanner.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: February 8, 2011
    Assignee: Prysm, Inc.
    Inventors: Alan C. Burroughs, Mark A. Pajdowski, David L. Kent, Roger A. Hajjar
  • Patent number: 7852308
    Abstract: A source driver for an LCD device. The source driver comprises a controller generating a pair of signals complimentary to each other, each of the signals toggling at a predetermined frame period, and an output buffer generating a data-line drive signal that is offset by positive and negative offset values in response to the pair of signals.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: December 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hyung-Tae Kim
  • Patent number: 7847766
    Abstract: It is an object of the present invention to inhibit a collapse of a color balance possibly caused due to deterioration of self-emission elements when performing a color displaying by virtue of several different colors. A self-emission display apparatus comprises: a display element section consisting of self-emission elements; a monitor element section consisting of self-emission elements of different colors formed in the same manner as the self-emission elements of the display element section; a power supply circuit which supplies driving voltages to the display element section; monitor detecting units for detecting an operating state of the monitor element section; driving voltage control units which control driving voltages in accordance with a detected operating state; and a display control section for supplying display signal to the display element section.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: December 7, 2010
    Assignee: Tohoku Pioneer Corporation
    Inventors: Teruichi Watanabe, Takayoshi Yoshida
  • Patent number: 7839374
    Abstract: Disclosed herein are a liquid crystal display device, in which a bi-directional internal gate drive circuit is used to cut the number of data lines in half, and a method of driving such liquid crystal display devices. The liquid crystal device includes a pixel array having a plurality of pixels on a lower substrate. The pixels are configured such that two pixels horizontally adjacent to each other are paired to share the same data line. First and second gate drive circuits are housed in the left and right sides of the lower substrate so as to be independently operated in the left and right side of the pixel array. The first gate drive circuit is formed of first to nth odd shift registers, and the second gate drive circuit is formed of first to nth even shift registers.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: November 23, 2010
    Assignee: LG. Display Co., Ltd.
    Inventors: Binn Kim, Su Hwan Moon, Soo Young Yoon
  • Patent number: 7830362
    Abstract: The present invention defines a system wherein a computer with an attached image capture camera can receive control signals from a user based on analysis of the captured images. Specifically, the user is interacting with the standard display output of the computer via a LASER pointer and these interactions are detected by analysis software modules operating on the captured images. These analysis modules use a series of algorithms to determine the intention of the user's LASER position and motion such as the intent to perform the equivalent of a standard mouse pointer device click, trace out a standard glyph representing a letter, or a custom input as determined by independent application software.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: November 9, 2010
    Inventor: Michael Cain Finley
  • Patent number: 7825898
    Abstract: An inertial sensing input apparatus is disclosed in the invention, comprising: a housing; a first inertial part, coupled to a circuit substrate received in the housing, for detecting a motion measured with respect to a second axis and a third axis of a space and also for detecting a motion measured along a first axis of a plane; a second inertial part, coupled to the circuit substrate, for detecting a motion measured with respect to a first axis of the space and also for optionally detecting a motion measured along a second axis of the plane; and a micro-controller, coupled to the circuit substrate, capable of converting electrical signals received from the first and the second inertial parts into a displacement signal while transmitting the displacement signal to an electronic display device by a means of transmission.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: November 2, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Jye Tsai, Shun-Nan Liou, Ren-Yuan Yu, Chin-Lin Hsieh, Shyang-Jye Chang, Hsiang-Yu Huang
  • Patent number: 7821494
    Abstract: An inertial mouse is disclosed in the invention, comprising: a housing; a first inertial part, coupled to a circuit substrate received in the housing, for detecting a motion measured with respect to a second axis and a third axis of a space and also for detecting a motion measured along a first axis of a plane; a second inertial part, coupled to the circuit substrate, for detecting a motion measured with respect to a first axis of the space and also for optionally detecting a motion measured along a second axis of the plane; and a micro-controller, coupled to the circuit substrate, capable of converting electrical signals received from the first and the second inertial parts or cells into a displacement signal while transmitting the displacement signal to an electronic display device by a means of transmission.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: October 26, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Jye Tsai, Shun-Nan Liou, Ren-Yuan Yu, Chin-Lin Hsieh, Shyang-Jye Chang, Hsiang-Yu Huang
  • Patent number: 7817115
    Abstract: An image display apparatus includes a plurality of display devices, a member arranged in the vicinity of the display devices, and a driving circuit to which an image signal corresponding to a quantity of light emitted from the light emitting region is inputted and which outputs a drive signal for driving the display devices. The driving circuit includes a correction circuit for correcting the image signal, with the drive circuit outputting the drive signal according to the corrected image signal. When the plurality of display devices is driven in accordance with the drive signal, a quantity of light emitted from a predetermined light emitting region correlating to a predetermined display device in the plurality of display devices is influenced by driving an adjacent display device and by the member.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: October 19, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hideaki Yui
  • Patent number: 7808460
    Abstract: A display LED drive circuit configured in such a manner that, for example, a constant current circuit, a green display LED circuit, and a red display LED circuit are connected in series and a resistor circuit having a resistor that generates a potential difference identical to the respective display LEDs is connected in parallel to the respective LED circuits. A corresponding switching element of the display LED circuit and a corresponding switching element of the resistor circuit connected in parallel are controlled to be opened and closed in opposite ways, another route connected to a source circuit in parallel is connected to the constant current circuit, a blue display LED circuit connected in parallel to the resistor circuit as described above, and a constant voltage diode in series, and a predetermined voltage is derived from an output terminal by the constant voltage diode and supplied to a control circuit.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: October 5, 2010
    Assignee: Komaden Corporation
    Inventor: Chiaki Nakajima
  • Patent number: 7808482
    Abstract: A slim mouse includes a first housing, a second housing and a connecting member. The first housing includes a first front part and a first rear part, wherein the first rear part has a first slant. The second housing includes a second front part and a second rear part, wherein the second front part has a second slant. The connecting member includes a rotating shaft for connecting the first slant and the second slant, so that the second housing is rotatable with the rotating shaft and relative to the first housing.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: October 5, 2010
    Assignee: Primax Electronics Ltd.
    Inventors: Chih-Hung Lin, Hong-Che Yen, Chang-Chih Wu, Hsiao-Lung Chiang
  • Patent number: 7804466
    Abstract: Red, green, and blue organic electroluminescent (EL) elements formed on a pixel in an organic EL display are driven by a driving transistor. A capacitor is coupled between a gate and a source of the driving transistor to maintain a voltage for a predetermined time. Emission control transistors are coupled between the driving transistor and the red, green, and blue organic EL elements, respectively. One field is divided into three subfields, and one of the red, green and blue organic EL elements in each pixel starts to emit light in each subfield to thus represent a full color screen. The red, green and blue organic elements sequentially start to emit light in each subfield such that a color separation phenomenon caused by start emitting organic EL elements of one color during each subfield is reduced or eliminated.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: September 28, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won-Kyu Kwak, Byung-Hee Kim
  • Patent number: 7800564
    Abstract: A switching transistor 3 is provided between a gate terminal of a driving TFT 1 and a drain terminal thereof. A first capacitor 2 is provided between the gate terminal of the driving TFT 1 and a source terminal thereof. The current control terminal of the driving TFT 1 is connected to a first terminal of a second capacitor 7. A second terminal of the second capacitor 7 is connected to the drain terminal of the driving TFT 1 via a switching transistor 9, and to a predetermined voltage line Va via a switching transistor 8. This allows restraint of variation of a current flowing, during a non-selection period, through a current driving light emitting element of a display apparatus, the current variation being caused by threshold voltage variation and mobility variation of the driving TFT. A specific example of the display apparatus including such a current driving light emitting element is an organic EL display apparatus.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: September 21, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Takaji Numao
  • Patent number: 7782312
    Abstract: A LCD device includes a liquid crystal panel having a plurality of perpendicularly crossing gate and data lines, first and second display sections divided by a specific one of the data lines, a plurality of first data drive ICs driving the data lines in the first display section, a plurality of second data drive ICs driving the data lines in the second display section, and a timing controller rearranging image data input from a system into first image data corresponding to the first display section and second image data corresponding to the second display section, and simultaneously supplying the first image data and second image data, respectively, in a sequence starting from one of the first and second data drive ICs, respectively, closest to the specific data line towards one of the respective first and second data drive ICs farthest from the specific data line.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: August 24, 2010
    Assignee: LG Display Co., ltd.
    Inventors: Soon Dong Cho, Man Gyu Park
  • Patent number: 7773056
    Abstract: A pixel circuit for a light emitting display. Adjacent pixels of the light emitting display coupled to one scan line share one first power supply line. A driving circuit in each pixel circuit drives first and second organic light emitting diodes (OLEDs). A switching circuit is coupled between the first and second OLEDs and the driving circuit to sequentially control the driving of the first and second OLEDs. Because two adjacent pixel circuits share one pixel power supply line and a plurality of OLEDs are coupled to one pixel circuit, it is possible to reduce the number of pixel circuits and the number of wiring lines of the light emitting display. Other circuit elements may also be shared between adjacent pixel circuits. Reducing the wiring and other elements of the pixel circuits makes it possible to increase the aperture ratio of the light emitting display.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: August 10, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won Kyu Kwak, Sung Cheon Park
  • Patent number: 7768482
    Abstract: Red, green, and blue organic electroluminescent (EL) elements formed on a pixel in an organic EL display are driven by a driving transistor. A capacitor is coupled between a gate and a source of the driving transistor to maintain a voltage for a predetermined time. Emission control transistors are coupled between the driving transistor and the red, green, and blue organic EL elements, respectively. One field is divided into three subfields, and one of the red, green, and blue organic EL elements in each pixel starts to emit light in each subfield to thus represent a full color screen. The red, green, and blue are mixed and emitted in the row direction and column direction in each of the subfields of a field.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: August 3, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Won-Kyu Kwak
  • Patent number: 7760214
    Abstract: In one embodiment, the present invention includes a method of driving a first display element with a first pixel waveform that is a function of a desired color for the first display element and a second waveform; and inserting an added transition into the first pixel waveform to maintain a bias between the first pixel waveform and the second waveform.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: July 20, 2010
    Assignee: Intel Corporation
    Inventor: Thomas E. Willis
  • Patent number: 7616177
    Abstract: A pixel driving circuit with threshold voltage and EL power compensation. The pixel circuit includes a storage capacitor, a transferring circuit, a driving element, and a switching circuit. The transferring circuit transfers a data signal or a variable reference signal to a first node of the storage capacitor. The driving element has a first terminal coupled to a first fixed potential and a second terminal coupled to a second node of the storage capacitor. The switching circuit is coupled to a third terminal of the driving element and the second node of the storage capacitor. The switching circuit can be controlled to make the driving element diode-connected in one time period and allowing a driving current to be output to a display element in another time period.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: November 10, 2009
    Assignee: TPO Displays Corp.
    Inventors: Du-Zen Peng, Shih-Feng Huang
  • Patent number: 7602387
    Abstract: In an active matrix electroluminescent display device a storage capacitor (24) is provided in each pixel for storing a voltage to be used for addressing a drive transistor (22) which controls the illumination of the electroluminescent display element (20). A discharge photosensitive element (34) is provided for discharging the charge storage capacitor in dependence on the display element's light output. A further photosensitive element (40) is provided so as to cancel photocurrents produced in the discharge photosensitive element (34) as a result of light input to the discharge photosensitive element other than from the pixel's display element (20), the further photosensitive element being shielded (44) from light emitted by the display element while being exposed to light from other directions. Irregularities in the display output due to the effects of the unwanted light inputs to the discharge photosensitive elements are then avoided.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: October 13, 2009
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: David A. Fish