Patents by Inventor Aya Naitou

Aya Naitou 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).

  • Anti-glare film, polarizer and image display device
    Patent number: 10254444
    Abstract: The claimed invention provides an anti-glare film which has high pencil hardness and high scratch resistance along with crack prevention, and also has high image contrast and excellent anti-glare property. Provided is an anti-glare film including a light transmitting substrate, and an anti-glare layer having surface roughness on at least one surface of the light transmitting substrate. The anti-glare layer includes chain-like inorganic fine particles which have an area ratio of 30 to 94% in the thickness direction cross section of the anti-glare layer.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: April 9, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Jun Tsujimoto, Aya Naitou, Yukihiro Doumori, Takashi Narikawa, Takashi Kodama
  • Optical sheet for reducing scintillation effects in touch panels and display panels
    Patent number: 9535194
    Abstract: An optical sheet used as a component for a touch panel or a display element of a display device is capable of imparting a variety of characteristics such as anti-glare properties and preventing the scintillation of image light in ultrahigh-definition display elements having a pixel density of 300 ppi or more. The optical sheet has an uneven shape on a surface, and the uneven shape satisfies at least one of three disclosed conditions relating to the inclination angles of the uneven portions of the sheet and the distribution curves of the inclination angles.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: January 3, 2017
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Gen Furui, Jun Tsujimoto, Aya Naitou
  • TOUCH PANEL, DISPLAY DEVICE, OPTICAL SHEET, METHOD FOR SELECTING OPTICAL SHEET, AND METHOD FOR MANUFACTURING OPTICAL SHEET
    Publication number: 20150260882
    Abstract: A touch panel capable of imparting a variety of characteristics such as anti-glare properties and preventing the scintillation of image light in ultrahigh-definition display elements having a pixel density of 300 ppi or more is provided.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 17, 2015
    Inventors: Gen FURUI, Jun TSUJIMOTO, Aya NAITOU
  • ANTI-GLARE FILM, POLARIZER AND IMAGE DISPLAY DEVICE
    Publication number: 20140177052
    Abstract: The claimed invention provides an anti-glare film which has high pencil hardness and high scratch resistance along with crack prevention, and also has high image contrast and excellent anti-glare property. Provided is an anti-glare film including a light transmitting substrate, and an anti-glare layer having surface roughness on at least one surface of the light transmitting substrate. The anti-glare layer includes chain-like inorganic fine particles which have an area ratio of 30 to 94% in the thickness direction cross section of the anti-glare layer.
    Type: Application
    Filed: July 25, 2012
    Publication date: June 26, 2014
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Jun Tsujimoto, Aya Naitou, Yukihiro Doumori, Takashi Narikawa, Takashi Kodama