Patents by Inventor Hideki Sashida

Hideki Sashida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8159447
    Abstract: A display driving apparatus that drives display pixels having pixel electrodes arrayed in rows and columns on the basis of display data includes a signal generating circuit generates a driving signal for sequentially sets the respective display pixels corresponding to the respective rows in a selected state, and applies a signal voltage corresponding to a gradation value of the display data to the pixel electrode of each display pixel. The display driving apparatus also includes a correcting circuit that corrects the driving signal in accordance with selecting operation by the driving signal for each display pixel, and brings the magnitude of the signal voltage with respect to the gradation value of the display data, which is to be applied to the pixel electrode of each display pixel, close to the same value, and applies the corrected driving signal to each of the display pixels set in the selected state.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: April 17, 2012
    Assignee: Casio Computer Co., Ltd.
    Inventor: Hideki Sashida
  • Publication number: 20080074404
    Abstract: A display driving apparatus that drives display pixels having pixel electrodes arrayed in rows and columns on the basis of display data includes a signal generating circuit generates a driving signal for sequentially sets the respective display pixels corresponding to the respective rows in a selected state, and applies a signal voltage corresponding to a gradation value of the display data to the pixel electrode of each display pixel. The display driving apparatus also includes a correcting circuit that corrects the driving signal in accordance with selecting operation by the driving signal for each display pixel, and brings the magnitude of the signal voltage with respect to the gradation value of the display data, which is to be applied to the pixel electrode of each display pixel, close to the same value, and applies the corrected driving signal to each of the display pixels set in the selected state.
    Type: Application
    Filed: September 6, 2007
    Publication date: March 27, 2008
    Applicant: Casio Computer Co., Ltd.
    Inventor: Hideki Sashida
  • Publication number: 20060267905
    Abstract: A liquid crystal display apparatus includes first and second electrodes which are provided on opposed inner surface of a first substrate, and insulated from each other to generate in a liquid crystal layer provided between the substrates a transverse electric field in a direction substantially parallel to substrate surfaces. A third electrode is provided on an inner surface of a second substrate in accordance with an entire region of a pixel defined by a region in which an alignment state of liquid crystal molecules is controlled by the transverse electric field. An image display circuit supplies a display drive voltage corresponding to image data between the first and second electrodes to generate the transverse electric field. A viewing angle control circuit supplies a viewing angle control voltage between at least one of the first and second electrodes and the third electrode to generate between these electrodes a vertical electric field.
    Type: Application
    Filed: May 30, 2006
    Publication date: November 30, 2006
    Applicant: Casio Computer Co., Ltd.
    Inventors: Toshiharu Nishino, Kunpei Kobayashi, Norihiro Arai, Hideki Sashida