Patents by Inventor Takumi Aragaki

Takumi Aragaki 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).

  • Publication number: 20090244088
    Abstract: An image processing device adapted to correct a pixel value corresponding to a sub-pixel constituting a pixel includes a displacement amount storage section adapted to store a displacement amount of a display position of a display sub-pixel corresponding to the sub-pixel constituting a display pixel in a reference position in a display image plane, and a pixel value correction section adapted to correct the pixel value of the sub-pixel corresponding to the display sub-pixel at an end of the display image plane in accordance with the displacement amount stored in the displacement amount storage section.
    Type: Application
    Filed: March 19, 2009
    Publication date: October 1, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi ARAGAKI, Hiroshi HASEGAWA
  • Publication number: 20090244493
    Abstract: An image processing device includes a lens-shift amount acquisition section adapted to acquire an amount of shift of a projection lens of an image display apparatus, and an image signal correction section adapted to correct the image signal corresponding to a sub-pixel constituting a pixel in accordance with the amount of shift acquired by the lens-shift amount acquisition section.
    Type: Application
    Filed: March 23, 2009
    Publication date: October 1, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi ARAGAKI, Hiroshi HASEGAWA
  • Publication number: 20090122070
    Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.
    Type: Application
    Filed: November 10, 2008
    Publication date: May 14, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi ARAGAKI, Hiroshi HASEGAWA
  • Publication number: 20090122089
    Abstract: An image display apparatus that displays an image on the basis of image signals of sub-pixels of first, second, and third color components forming a pixel includes a first light modulating unit that modulates light of the first color component on the basis of the image signal of the sub-pixel of the first color component, a second light modulating unit that modulates light of the second color component on the basis of the image signal of the sub-pixel of the second color component, and a third light modulating unit that modulates light of the third color component on the basis of the image signal of the sub-pixel of the third color component. The first to third light modulating units are provided such that display sub-pixels corresponding to the sub-pixels that use the lights modulated by the first to third light modulating units shift in a first direction that is a horizontal direction or a vertical direction of the image.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 14, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi ARAGAKI, Hiroshi HASEGAWA
  • Publication number: 20080186314
    Abstract: An image processing device outputs four-color image data to a display section, the display section performing display using display pixels each composed of four sub-pixels, and having an arrangement of the display pixels in which a pixel arrangement in an even line of a scan lines and a pixel arrangement in an odd line of the scan lines are shifted a half pitch of the display pixels from each other, and the image processing device includes a color conversion section which obtains the three-color image data and converts the three-color image data into a first four-color image data while maintaining the number of display pixels in the three-color image data, a conversion section which generates second four-color image data by performing an interpolation process on the first four-color image data based on a relationship between a position of a sub-pixel in the first four-color image data and a position of a sub-pixel in the display section, and an output section which outputs the second four-color image data to
    Type: Application
    Filed: January 3, 2008
    Publication date: August 7, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hidekuni MORIYA, Takumi ARAGAKI
  • Publication number: 20070103491
    Abstract: An image display device displays an image by using a plurality of display pixels, each display pixel including four sub-pixels corresponding to different colors. The four sub-pixels forming each of the display pixels are located such that two sub-pixels having a smaller level of luminance are located at edges of the display pixel, each of the two sub-pixels being located at either edge of the display pixel, and such that two other sub-pixels are located at a central portion of the display pixel so that an absolute value of a difference between a luminance added value, which is a value obtained by adding luminance levels of one of the sub-pixels located at the edges of the display pixel and an adjacent pixel, and a luminance added value, which is a value obtained by adding luminance levels of the other sub-pixel located at the edge of the display pixel and an adjacent pixel, is reduced.
    Type: Application
    Filed: October 2, 2006
    Publication date: May 10, 2007
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hidekuni MORIYA, Takumi ARAGAKI
  • Publication number: 20070085863
    Abstract: An image display device displays an image by using a plurality of display pixels, each display pixel including four sub-pixels corresponding to different colors. The four sub-pixels forming each of the display pixels are located such that a sub-pixel having a smallest level of chroma is located at an edge of the display pixel and such that two sub-pixels having a smallest difference in color components are not adjacent to each other.
    Type: Application
    Filed: October 12, 2006
    Publication date: April 19, 2007
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hidekuni MORIYA, Takumi ARAGAKI