Patents by Inventor Tsuyoshi Ohyama

Tsuyoshi Ohyama 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: 20130235305
    Abstract: An optical device includes: first electrodes; a second electrode arranged so as to face the first electrodes; a liquid crystal layer arranged between the first electrodes and the second electrode, producing a lens effect in accordance with a voltage to be applied to the first electrodes and the second electrode; and a polarizing plate arranged on an outermost surface.
    Type: Application
    Filed: February 15, 2013
    Publication date: September 12, 2013
    Applicant: JAPAN DISPLAY WEST, INC.
    Inventors: Daisuke Takama, Takeo Koito, Tsuyoshi Ohyama
  • Patent number: 8441584
    Abstract: A stereoscopic image displaying apparatus is provided. The stereoscopic image displaying apparatus, including: an image generation section having a plurality of pixels for a plurality of colors arranged in a two-dimensional matrix and adapted to drive the pixels for the colors to generate a color image; and a parallax applying section adapted to apply a parallax to the image to allow color display of a three-dimensional image and capable of changing over a parallax direction between a first direction of the color image and a second direction perpendicular to the first direction. The parallax applying section has a first parallel state and a second parallel state. The image generation section and the parallax application section are configured so that the rates of the colors at the pixels for the colors corresponding to light transmission regions between adjacent ones of the parallax barrier regions are uniform or got closer in both of the parallel states.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: May 14, 2013
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Masato Imai, Tsutomu Tanaka
  • Publication number: 20130063691
    Abstract: A liquid crystal optical device includes: a first substrate having transparent plural strip electrodes formed to make groups in respective given areas; a second substrate having a transparent common electrode; and a liquid crystal layer arranged between the first substrate and the second substrate, in which a retardation distribution is controlled in respective given areas according to voltages to be applied between the common electrode and the strip electrodes, wherein wall spacers are provided at portions corresponding to boundaries of given areas between the first substrate and the second substrate, and a shield electrode to which a fixed value voltage is applied is provided on at least one of two wall surfaces of each spacer.
    Type: Application
    Filed: August 22, 2012
    Publication date: March 14, 2013
    Applicant: JAPAN DISPLAY WEST INC.
    Inventors: Daisuke Takama, Takeo Koito, Tsuyoshi Ohyama
  • Publication number: 20130002995
    Abstract: A display apparatus includes: a display unit that displays a two-dimensional image; and a variable lens array disposed to face the display unit, wherein the variable lens array includes a variable phase difference layer that receives incident linearly polarized light polarized in a first direction and allows the linearly polarized light polarized in the same direction to exit or allows linearly polarized light polarized in a second direction switched from the first direction and different therefrom to exit, and an optically anisotropic layer that receives the light having exited out of the variable phase difference layer and works as a lens array for one of the light polarized in the first direction and the light polarized in the second direction whereas working as a transparent layer for the other light.
    Type: Application
    Filed: June 20, 2012
    Publication date: January 3, 2013
    Applicant: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Daisuke Takama
  • Publication number: 20120307169
    Abstract: A display apparatus includes: a display unit that displays a two-dimensional image; and a variable lens array disposed to face the display unit, wherein the variable lens array includes a first substrate having a transparent first common electrode, a second substrate having a transparent second common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate and forming liquid crystal lens columns, the liquid crystal layer is processed in such a way that liquid crystal molecules are so oriented that each of the liquid crystal lens columns produces refracting power in a state in which no potential difference is present between the first common electrode and the second common electrode, and a voltage applied between the first common electrode and the second common electrode controls the refracting power of each of the liquid crystal lens columns.
    Type: Application
    Filed: May 24, 2012
    Publication date: December 6, 2012
    Applicant: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Daisuke Takama
  • Publication number: 20120236405
    Abstract: A display device includes a display unit in which pixels having first and second regions are arrayed in a matrix, the first region emitting first color light for displaying a stereoscopic image including images of a plurality of viewing points and the second region emitting second color light in order to display the stereoscopic image.
    Type: Application
    Filed: February 23, 2012
    Publication date: September 20, 2012
    Applicant: Sony Corporation
    Inventor: Tsuyoshi Ohyama
  • Publication number: 20120236402
    Abstract: A display device includes: a display unit having a region which emits color light for displaying a stereoscopic image including images of a plurality of viewing points; and a separation unit that separates optically the images of the respective viewing points from each other so that the images of different viewing points are observed by different eyes of a viewer, wherein in a visible region on the display unit in which the image of a predetermined viewing point observed by the viewer is displayed, the region which emits the color light is present at each position of the stereoscopic image in a parallax direction regardless of a viewing position of the viewer who observes the stereoscopic image.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 20, 2012
    Applicant: Sony Corporation
    Inventor: Tsuyoshi Ohyama
  • Publication number: 20120206679
    Abstract: A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.
    Type: Application
    Filed: April 25, 2012
    Publication date: August 16, 2012
    Applicant: SONY CORPORATION
    Inventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
  • Publication number: 20120169964
    Abstract: A display device includes a display section, an optical liquid crystal panel having a first and second transparent substrates disposed to face each other, and a liquid crystal layer enclosed between the first and second transparent substrates, and a light source. The display section is bonded to an external face of the first transparent substrate of the optical liquid crystal panel, a plurality of first transparent electrodes are provided on an internal face of the first transparent substrate, a second transparent electrode is provided on an internal face of the second transparent substrate, and the liquid crystal layer and the second transparent electrode are provided to occupy entirety of an effective region corresponding to an effective image area of the display section.
    Type: Application
    Filed: November 29, 2011
    Publication date: July 5, 2012
    Applicant: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Shiichiro Sarai, Yoshihiko Toyoshima, Fumihito Shibano
  • Patent number: 8189144
    Abstract: A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: May 29, 2012
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
  • Publication number: 20120120213
    Abstract: A display device includes: a two-dimensional display unit that displays p viewpoint videos, which are spatially divided, within one screen; and an optical device that optically splits the p viewpoint videos displayed on the display unit so as to enable a stereoscopic view at p viewpoints. The display unit includes unit pixels each formed from sub-pixels that display r types of colors necessary for a color video display, and the sub-pixels that emit light of different colors are arranged so as to be adjacent to each other in a same row in a screen horizontal direction. Each of the p viewpoint videos is displayed in n sub-pixel rows, each of which is configured by the sub-pixels aligned in a first direction other than the screen horizontal direction and which are consecutive in the screen horizontal direction, in the screen horizontal direction on a cycle of (p×n) rows.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 17, 2012
    Applicant: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Goro Hamagishi
  • Patent number: 8131061
    Abstract: An apparatus for inspecting solder printing includes a memory medium, an ideal solder information generation unit, and an image processing unit. Design data are stored in the memory medium. The ideal solder information generation unit generates “ideal solder position information” and “ideal solder sizes” from the ideal solder regions in the design data. The image processing means extracts the actual solder regions of solder on the printed board K from image data imaged by the CCD camera and generates “actual solder position information” from the actual solder regions.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: March 6, 2012
    Assignee: CKD Corporation
    Inventors: Takahiro Mamiya, Tsuyoshi Ohyama
  • Publication number: 20110304612
    Abstract: A parallax system that includes a set of pixels disposed in a matrix where each pixel of the set of pixels has transmission portions and reflective portions symmetrically arranged about a pixel center. Further, the parallax system is implemented in a parallax image panel that may be embodied in one of a digital camera, a personal computer, a mobile terminal equipment, a video camera, or a game machine.
    Type: Application
    Filed: June 1, 2011
    Publication date: December 15, 2011
    Applicant: Sony Corporation
    Inventor: Tsuyoshi Ohyama
  • Publication number: 20110043715
    Abstract: A stereoscopic image displaying apparatus is provided. The stereoscopic image displaying apparatus, including: an image generation section having a plurality of pixels for a plurality of colors arranged in a two-dimensional matrix and adapted to drive the pixels for the colors to generate a color image; and a parallax applying section adapted to apply a parallax to the image to allow color display of a three-dimensional image and capable of changing over a parallax direction between a first direction of the color image and a second direction perpendicular to the first direction. The parallax applying section has a first parallel state and a second parallel state. The image generation section and the parallax application section are configured so that the rates of the colors at the pixels for the colors corresponding to light transmission regions between adjacent ones of the parallax barrier regions are uniform or got closer in both of the parallel states.
    Type: Application
    Filed: August 11, 2010
    Publication date: February 24, 2011
    Applicant: SONY CORPORATION
    Inventors: Tsuyoshi Ohyama, Masato Imai, Tsutomu Tanaka
  • Publication number: 20100328438
    Abstract: A stereoscopic image displaying device includes an outer surface that a detection target object approaches; a stereoscopic image generating unit that generates a three-dimensional stereoscopic image based on an input video signal, and a proximity sensor unit that is disposed on a side of the outer surface that is opposite to a side that the detection target object approaches and detects proximity of the detection target object to the outer surface based on a height that is a distance from the outer surface and is set based on parallax information included in the video signal.
    Type: Application
    Filed: May 27, 2010
    Publication date: December 30, 2010
    Applicant: SONY CORPORATION
    Inventors: Tsuyoshi OHYAMA, Tsutomu TANAKA, Masato IMAI
  • Patent number: 7800722
    Abstract: A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: September 21, 2010
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
  • Patent number: 7751000
    Abstract: A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: July 6, 2010
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
  • Patent number: 7659954
    Abstract: A liquid crystal display device of electrically controlled birefringence mode includes the combination of a liquid crystal cell having a liquid crystal layer sandwiched between a pair of substrates, and a hybrid retardation layer in which liquid crystal molecules are hybrid-aligned, and the hybrid retardation layer is formed by deposition at the liquid crystal layer side on one substrate of the pair of substrates.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: February 9, 2010
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Ohyama, Masaya Tamaki, Koji Ishizaki, Setsuo Suzuki, Motoharu Nishida, Kotaro Yoneda, Akira Sakaigawa, Hidemasa Yamaguchi, Koji Noguchi, Masaaki Kabe
  • Publication number: 20090135118
    Abstract: Disclosed herein is a liquid crystal display device having a pixel electrode in a shape of comb teeth, the pixel electrode including a plurality of comb tooth electrodes arranged in one direction, and having a reflective display section and a transmissive display section in each pixel, wherein the pixel electrode is formed such that width of the reflective display section is larger than width of the transmissive display section in a direction perpendicular to a direction of arrangement of the reflective display section and the transmissive display section, and the plurality of comb tooth electrodes are coupled to each other at only an end part.
    Type: Application
    Filed: October 30, 2008
    Publication date: May 28, 2009
    Applicant: Sony Corporation
    Inventors: Koji NOGUCHI, Tsuyoshi OHYAMA, Koji ISHIZAKI
  • Publication number: 20090097738
    Abstract: An apparatus for inspecting solder printing includes a memory medium, an ideal solder information generation unit, and an image processing unit. Design data are stored in the memory medium. The ideal solder information generation unit generates “ideal solder position information” and “ideal solder sizes” from the ideal solder regions in the design data. The image processing means extracts the actual solder regions of solder on the printed board K from image data imaged by the CCD camera and generates “actual solder position information” from the actual solder regions.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 16, 2009
    Applicant: CKD CORPORATION
    Inventors: Takahiro Mamiya, Tsuyoshi Ohyama