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: 20160233273
    Abstract: An organic light emitting device includes a display panel including a plurality of pixels and a circular polarizing plate disposed opposite to the display panel, where the circular polarizing plate has a plurality of retardations corresponding to the pixels of the display panel. A method of manufacturing an organic light emitting device includes preparing a display panel including a plurality of pixels, preparing a circular polarizing plate having a plurality of retardations, and assembling the display panel and the circular polarizing plate, where the display panel and the circular polarizing plate are assembled so that the retardations of the circular polarizing plate respectively correspond to the pixels of the display panel.
    Type: Application
    Filed: July 1, 2015
    Publication date: August 11, 2016
    Inventors: Tsuyoshi OHYAMA, Eun Sung LEE, Nobuo HAMAMOTO
  • Publication number: 20160211486
    Abstract: An antireflection film includes a polarizer, a first phase delay layer, and a second phase delay layer, where at least one of the first phase delay layer and the second phase delay layer includes a liquid crystal layer, and the liquid crystal layer includes liquid crystals oriented in a direction tilting obliquely with respect to a surface thereof.
    Type: Application
    Filed: December 28, 2015
    Publication date: July 21, 2016
    Inventors: Tsuyoshi OHYAMA, Koh KAMADA, Eun Sung LEE
  • Publication number: 20160200981
    Abstract: A composition for an optical film including a liquid crystal and a polysiloxane represented by Chemical Formula 1 wherein in Chemical Formula 1, R1 to R5, L1 to L3, X, Y, Z, T1, T2, a, b, c, and d are the same as described in the detailed description.
    Type: Application
    Filed: July 17, 2015
    Publication date: July 14, 2016
    Inventors: Eun Sung LEE, Sang Ho PARK, Koh KAMADA, Tsuyoshi OHYAMA, Seungbum CHUN
  • Publication number: 20160161655
    Abstract: An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals oriented in a direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view, tilt angles of the liquid crystals are gradually larger from the first side to the second side, a maximum tilt angle of the liquid crystals with respect to the surface of the liquid crystal layer is from about 15° to about 80°, and in-plane retardation (Re) of the liquid crystal layer for incident light of a 450 nm wavelength and a 550 nm wavelength satisfies a Relationship 1.
    Type: Application
    Filed: December 8, 2015
    Publication date: June 9, 2016
    Inventors: Koh KAMADA, Tsuyoshi OHYAMA, Eun Sung LEE, Hyunseok CHOI, Seunghyun LEE
  • Publication number: 20160161785
    Abstract: An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals having oriented direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view.
    Type: Application
    Filed: May 29, 2015
    Publication date: June 9, 2016
    Inventors: Koh KAMADA, Tsuyoshi OHYAMA, Eun Sung LEE
  • Patent number: 9240146
    Abstract: A liquid crystal display device includes a liquid crystal panel, a light blocking barrier, and a sensor. The apparatus has a barrier driving controlling unit, a display controlling unit, and a display mode decision unit to decide a display mode of an image to be displayed on the panel. The barrier driving controlling unit controls, when it is decided that the display mode is a first mode, driving of the barrier so that the position of the light blocking section of the barrier is moved in response to the position of the viewer detected by the sensor. The display controlling unit controls, when it is decided that the display mode is a second mode, the display of the panel so that the display position of the left-eye and the right-eye images on the panel is moved in response to the position of the viewer detected by the sensor.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: January 19, 2016
    Assignee: Japan Display Inc.
    Inventors: Tsuyoshi Ohyama, Yingbao Yang
  • Patent number: 9218684
    Abstract: A display control apparatus includes a conversion and synthesis unit that converts an array of pixels constituting each of planar images for multiple view points and synthesize the planar images in which the array of the pixels is converted to generate a three-dimensional display image, the unit including a correspondence control unit that associates view point image sub pixels with three-dimensional display sub pixels, a sub pixel value decision unit that decides a value of the sub pixel before the conversion for each color of the sub pixels on the basis of the view point image sub pixel extracted from the planar image for each view point, and a sub pixel generation unit that obtains a value of the sub pixel after the conversion on the basis of the decided value of the sub pixel before the conversion to generate the associated three-dimensional display sub pixels.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: December 22, 2015
    Assignee: Japan Display Inc.
    Inventors: Ryoichi Tsuzaki, Tsuyoshi Ohyama
  • Patent number: 9219248
    Abstract: An organic EL display device includes: a transparent substrate; a circularly-polarizing plate disposed on a first surface of the transparent substrate; a wiring layer disposed on a second surface of the transparent substrate; a selectively-reflecting layer disposed on the wiring layer, where the selectively-reflecting layer reflects only a circularly polarized component, which has a predetermined wavelength and rotates in a predetermined direction, in incident light, and the selectively-reflecting layer transmits light of a wavelength different from the predetermined wavelength in the incident light and a circularly polarized component, which has the predetermined wavelength and rotates in a direction different from the predetermined direction; a transparent electrode disposed on the selectively-reflecting layer; an emission layer disposed on the transparent electrode in a position corresponding to the selectively-reflecting layer, where the emission layer emits light of a predetermined color; and a reflectiv
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Tsuyoshi Ohyama
  • Publication number: 20150231744
    Abstract: A substrate inspection device and a component mounting device are provided. The solder inspection device and the component mounting device respectively have substrate support devices that support a rear face of a printed circuit board. The substrate support device includes backup pins that support the rear surface of the printed circuit board, a location determiner that determines locations of the backup pins, and a backup pin locator that places the backup pins at the locations of the backup pins determined by the location determiner. The location determiner determines positions for supporting areas of the rear face of the printed circuit board where an electrode is covered by a resist film and where neither electronic component nor solder is present, as the locations of the backup pins.
    Type: Application
    Filed: February 17, 2015
    Publication date: August 20, 2015
    Inventors: Manabu Okuda, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 9091859
    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: Grant
    Filed: May 24, 2012
    Date of Patent: July 28, 2015
    Assignee: Japan Display Inc.
    Inventors: Tsuyoshi Ohyama, Daisuke Takama
  • Patent number: 9087477
    Abstract: The present disclosure provides a display apparatus and an electronic apparatus wherein appropriate stereoscopic display can be carried out irrespective of the viewpoint position. The display apparatus includes a display section configured to have a plurality of pixels and display a plurality of viewpoint images allocated to different ones of the pixels; a detection section configured to detect an observation angle of an observer; and a display controlling section configured to change displaying positions of the viewpoint images at the pixels in response to the observation angle.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: July 21, 2015
    Assignee: Japan Display Inc.
    Inventors: Tsuyoshi Ohyama, Yingbao Yang, Ryoichi Tsuzaki
  • Patent number: 9025093
    Abstract: A liquid crystal display device includes a liquid crystal panel which displays a left eye image and a right eye image; and an optical device which generates a lens effect of a lens group which causes binocular parallax, wherein the optical device includes a first substrate and a second substrate which are disposed opposed to each other with an interval therebetween, a first electrode which is formed on the first substrate so as to be opposed to the second substrate, a second electrode which is formed on the second substrate so as to be opposed to the first substrate, and a liquid crystal layer which is disposed between the first substrate and the second substrate and includes liquid crystal molecules, the alignment direction of which is changed in accordance with a voltage which is applied to the first electrode and the second electrode.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: May 5, 2015
    Assignee: Japan Display Inc.
    Inventor: Tsuyoshi Ohyama
  • Publication number: 20140320772
    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: July 11, 2014
    Publication date: October 30, 2014
    Inventors: Tsuyoshi Ohyama, Daisuke Takama
  • Patent number: 8860921
    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: Grant
    Filed: August 22, 2012
    Date of Patent: October 14, 2014
    Assignee: Japan Display West Inc.
    Inventors: Daisuke Takama, Takeo Koito, Tsuyoshi Ohyama
  • Patent number: 8836875
    Abstract: A liquid crystal display device includes a liquid crystal panel which displays a left eye image and a right eye image; and a light-shielding barrier which has a slit section and a light-shielding section to cause binocular parallax, wherein the liquid crystal panel includes a first substrate which has a pixel electrode formed thereon, a second substrate which is separated from and opposed to the surface of the first substrate which has the pixel electrode formed thereon, and a liquid crystal layer which is disposed between the first substrate and the second substrate, the pixel electrode has a plurality of strip-shaped parts which are arranged with intervals therebetween, and an extending direction of the strip-shaped parts is substantially perpendicular to an opening direction of the slit section.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: September 16, 2014
    Assignee: Japan Display West Inc.
    Inventors: Tsuyoshi Ohyama, Yingbao Yang, Takeo Koito
  • Patent number: 8810742
    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: Grant
    Filed: June 20, 2012
    Date of Patent: August 19, 2014
    Assignee: Japan Display West, Inc.
    Inventors: Tsuyoshi Ohyama, Daisuke Takama
  • Publication number: 20140042409
    Abstract: An organic EL display device includes: a transparent substrate; a circularly-polarizing plate disposed on a first surface of the transparent substrate; a wiring layer disposed on a second surface of the transparent substrate; a selectively-reflecting layer disposed on the wiring layer, where the selectively-reflecting layer reflects only a circularly polarized component, which has a predetermined wavelength and rotates in a predetermined direction, in incident light, and the selectively-reflecting layer transmits light of a wavelength different from the predetermined wavelength in the incident light and a circularly polarized component, which has the predetermined wavelength and rotates in a direction different from the predetermined direction; a transparent electrode disposed on the selectively-reflecting layer; an emission layer disposed on the transparent electrode in a position corresponding to the selectively-reflecting layer, where the emission layer emits light of a predetermined color; and a reflectiv
    Type: Application
    Filed: August 9, 2013
    Publication date: February 13, 2014
    Applicant: Samsung electronics Co., Ltd.
    Inventor: Tsuyoshi OHYAMA
  • Patent number: 8599338
    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: April 25, 2012
    Date of Patent: December 3, 2013
    Assignee: Japan Display West Inc.
    Inventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
  • Publication number: 20130241964
    Abstract: A display device includes: a display portion in which pixel openings displaying colors included in a pixel are arranged in a first direction and a second direction which is different from the first direction, and the ratio of colors displayed by the pixel openings arranged in the same line is equal to the ratio of colors included in the pixel; and a light separation portion dividing an image displayed on the display portion into plural viewpoint images by spatially separating light, and the dividing direction is switched between the first direction and the second direction.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 19, 2013
    Applicant: JAPAN DISPLAY WEST, INC.
    Inventors: Tsuyoshi Ohyama, Takeo Koito
  • Publication number: 20130235005
    Abstract: The present disclosure provides a display apparatus and an electronic apparatus wherein appropriate stereoscopic display can be carried out irrespective of the viewpoint position. The display apparatus includes a display section configured to have a plurality of pixels and display a plurality of viewpoint images allocated to different ones of the pixels; a detection section configured to detect an observation angle of an observer; and a display controlling section configured to change displaying positions of the viewpoint images at the pixels in response to the observation angle.
    Type: Application
    Filed: February 15, 2013
    Publication date: September 12, 2013
    Applicant: JAPAN DISPLAY WEST, INC.
    Inventors: Tsuyoshi Ohyama, Yingbao Yang, Ryoichi Tsuzaki