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).
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Publication number: 20130235305Abstract: 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: ApplicationFiled: February 15, 2013Publication date: September 12, 2013Applicant: JAPAN DISPLAY WEST, INC.Inventors: Daisuke Takama, Takeo Koito, Tsuyoshi Ohyama
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Patent number: 8441584Abstract: 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: GrantFiled: August 11, 2010Date of Patent: May 14, 2013Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masato Imai, Tsutomu Tanaka
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Publication number: 20130063691Abstract: 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: ApplicationFiled: August 22, 2012Publication date: March 14, 2013Applicant: JAPAN DISPLAY WEST INC.Inventors: Daisuke Takama, Takeo Koito, Tsuyoshi Ohyama
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Publication number: 20130002995Abstract: 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: ApplicationFiled: June 20, 2012Publication date: January 3, 2013Applicant: Sony CorporationInventors: Tsuyoshi Ohyama, Daisuke Takama
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Publication number: 20120307169Abstract: 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: ApplicationFiled: May 24, 2012Publication date: December 6, 2012Applicant: Sony CorporationInventors: Tsuyoshi Ohyama, Daisuke Takama
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Publication number: 20120236405Abstract: 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: ApplicationFiled: February 23, 2012Publication date: September 20, 2012Applicant: Sony CorporationInventor: Tsuyoshi Ohyama
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Publication number: 20120236402Abstract: 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: ApplicationFiled: February 29, 2012Publication date: September 20, 2012Applicant: Sony CorporationInventor: Tsuyoshi Ohyama
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Publication number: 20120206679Abstract: 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: ApplicationFiled: April 25, 2012Publication date: August 16, 2012Applicant: SONY CORPORATIONInventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
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Publication number: 20120169964Abstract: 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: ApplicationFiled: November 29, 2011Publication date: July 5, 2012Applicant: Sony CorporationInventors: Tsuyoshi Ohyama, Shiichiro Sarai, Yoshihiko Toyoshima, Fumihito Shibano
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Patent number: 8189144Abstract: 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: GrantFiled: March 24, 2006Date of Patent: May 29, 2012Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
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Publication number: 20120120213Abstract: 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: ApplicationFiled: November 10, 2011Publication date: May 17, 2012Applicant: Sony CorporationInventors: Tsuyoshi Ohyama, Goro Hamagishi
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Patent number: 8131061Abstract: 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: GrantFiled: October 7, 2008Date of Patent: March 6, 2012Assignee: CKD CorporationInventors: Takahiro Mamiya, Tsuyoshi Ohyama
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Publication number: 20110304612Abstract: 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: ApplicationFiled: June 1, 2011Publication date: December 15, 2011Applicant: Sony CorporationInventor: Tsuyoshi Ohyama
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Publication number: 20110043715Abstract: 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: ApplicationFiled: August 11, 2010Publication date: February 24, 2011Applicant: SONY CORPORATIONInventors: Tsuyoshi Ohyama, Masato Imai, Tsutomu Tanaka
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Publication number: 20100328438Abstract: 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: ApplicationFiled: May 27, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Tsuyoshi OHYAMA, Tsutomu TANAKA, Masato IMAI
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Patent number: 7800722Abstract: 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: GrantFiled: November 14, 2003Date of Patent: September 21, 2010Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
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Patent number: 7751000Abstract: 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: GrantFiled: March 24, 2006Date of Patent: July 6, 2010Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
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Patent number: 7659954Abstract: 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: GrantFiled: May 3, 2007Date of Patent: February 9, 2010Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masaya Tamaki, Koji Ishizaki, Setsuo Suzuki, Motoharu Nishida, Kotaro Yoneda, Akira Sakaigawa, Hidemasa Yamaguchi, Koji Noguchi, Masaaki Kabe
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Publication number: 20090135118Abstract: 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: ApplicationFiled: October 30, 2008Publication date: May 28, 2009Applicant: Sony CorporationInventors: Koji NOGUCHI, Tsuyoshi OHYAMA, Koji ISHIZAKI
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Publication number: 20090097738Abstract: 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: ApplicationFiled: October 7, 2008Publication date: April 16, 2009Applicant: CKD CORPORATIONInventors: Takahiro Mamiya, Tsuyoshi Ohyama