Patents by Inventor Youji Ishihara

Youji Ishihara 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).

  • POLARIZING PLATE WITH AN OPTICAL COMPENSATION LAYER, LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY APPARATUS, AND IMAGE DISPLAY APPARATUS USING THE POLARIZING PLATE WITH AN OPTICAL COMPENSATION LAYER
    Publication number: 20150109564
    Abstract: Provided are a polarizing plate with an optical compensation layer capable of contributing to the reduction in thickness, enhancing viewing angle properties, realizing a high contrast, preventing interference uneveness and heat uneveness, suppressing a color shift, realizing satisfactory color reproducibility, and preventing light leakage in a black display satisfactorily, and a liquid crystal panel, a liquid crystal display apparatus, and an image display apparatus using the polarizing pate with an optical compensation layer.
    Type: Application
    Filed: December 31, 2014
    Publication date: April 23, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shunsuke Shutou, Youji Ishihara, Junichi Nagase
  • Liquid crystal panel and liquid crystal display apparatus using the same
    Patent number: 8072567
    Abstract: A liquid crystal panel of the present invention includes in the following order toward a viewer side: a first polarizer; a first optical compensation layer having a refractive index ellipsoid of nx>ny>nz and an in-plane retardation Re1 of 90 to 300 nm; a liquid crystal cell; a second optical compensation layer having a refractive index ellipsoid of nx>ny>nz and an in-plane retardation Re2 of 90 to 300 nm; and a second polarizer, wherein a total thickness direction retardation ?Rth1 to n of all the optical compensation layers and a thickness direction retardation Rthc of the liquid crystal cell satisfy the following Expression (1): ?160 nm<(?Rth1 to n?Rthc)<50 nm??(1).
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: December 6, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Shunsuke Shutou, Masato Bitou, Youji Ishihara
  • LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME
    Publication number: 20090268137
    Abstract: A liquid crystal panel of the present invention includes in the following order toward a viewer side: a first polarizer; a first optical compensation layer having a refractive index ellipsoid of nx>ny>nz and an in-plane retardation Re1 of 90 to 300 nm; a liquid crystal cell; a second optical compensation layer having a refractive index ellipsoid of nx>ny>nz and an in-plane retardation Re2 of 90 to 300 nm; and a second polarizer, wherein a total thickness direction retardation ?Rth1 to n of all the optical compensation layers and a thickness direction retardation Rthc of the liquid crystal cell satisfy the following Expression (1): ?160nm<(?Rth1 to n?Rthc)<50nm??(1).
    Type: Application
    Filed: December 4, 2007
    Publication date: October 29, 2009
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shunsuke Shutou, Masato Bitou, Youji Ishihara
  • POLARIZING PLATE WITH AN OPTICAL COMPENSATION LAYER, LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY APPARATUS, AND IMAGE DISPLAY APPARATUS USING THE POLARIZING PLATE WITH AN OPTICAL COMPENSATION LAYER
    Publication number: 20090237601
    Abstract: Provided are a polarizing plate with an optical compensation layer capable of contributing to the reduction in thickness, enhancing viewing angle properties, realizing a high contrast, preventing interference uneveness and heat uneveness, suppressing a color shift, realizing satisfactory color reproducibility, and preventing light leakage in a black display satisfactorily, and a liquid crystal panel, a liquid crystal display apparatus, and an image display apparatus using the polarizing plate with an optical compensation layer.
    Type: Application
    Filed: October 11, 2006
    Publication date: September 24, 2009
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shunsuke Shutou, Youji Ishihara, Junichi Nagase