Patents by Inventor Takuji Okura

Takuji Okura 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).

  • Liquid crystal display device
    Patent number: 8081281
    Abstract: A liquid crystal display device includes: a protective film; a polarizing plate; a liquid crystal cell for display; and a backlight, in this order, wherein the protective film is an antiglare optical film including a transparent substrate and at least one antiglare layer and having a concavo-convex shape on a surface of the antiglare optical film, and an integrated frequency value of tilted plane components having tilt angles between a normal line of the transparent substrate and a normal line of the concavo-convex shape on a surface of the antiglare optical film ranging from 0.05 to 0.25° is from 10 to 25% while an integrated frequency value of tilted plane components having the tilt angles ranging from 1.5 to 2.5° is from 10 to 25%.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: December 20, 2011
    Assignee: Fujifilm Corporation
    Inventors: Naohiro Matsunaga, Jun Watanabe, Takuji Okura, Yutaro Mitsumori, Yasushi Tanabe, Ryuji Saneto
  • LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20090080082
    Abstract: A liquid crystal display device includes: a protective film; a polarizing plate; a liquid crystal cell for display; and a backlight, in this order, wherein the protective film is an antiglare optical film including a transparent substrate and at least one antiglare layer and having a concavo-convex shape on a surface of the antiglare optical film, and an integrated frequency value of tilted plane components having tilt angles between a normal line of the transparent substrate and a normal line of the concavo-convex shape on a surface of the antiglare optical film ranging from 0.05 to 0.25° is from 10 to 25% while an integrated frequency value of tilted plane components having the tilt angles ranging from 1.5 to 2.5° is from 10 to 25%.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 26, 2009
    Inventors: Naohiro MATSUNAGA, Jun WATANABE, Takuji OKURA, Yutaro MITSUMORI, Yasushi TANABE, Ryuji SANETO