Patents by Inventor Naoya Kushida

Naoya Kushida 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 and display device
    Patent number: 6765634
    Abstract: A color liquid crystal display device is disclosed which is capable of securing sufficient luminance while achieving a high National Television System Committee (NTSC) ratio. Specifically, a liquid crystal display device is disclosed which includes a cold cathode fluorescent light tube as a light source, and a liquid crystal display panel for displaying images by controlling transmission of light from the cold cathode fluorescent light tube. The liquid crystal display panel includes a color filter substrate having color filter layers of red, green and blue, a thin film transistor (TFT) array substrate, and a liquid crystal material filled between the TFT array substrate and the color filter substrate. The cold cathode fluorescent light tube is a tri-phospher fluorescent fluorescent light tube, which utilizes Zn2SiO4:Mn as a green phosphor.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: July 20, 2004
    Assignee: International Business Machines Corporation
    Inventors: Akihiro Horibe, Masaru Suzuki, Takashi Fujita, Naoya Kushida
  • Liquid crystal display device and display device
    Publication number: 20020126078
    Abstract: A color liquid crystal display device is disclosed which is capable of securing sufficient luminance while achieving a high National Television System Committee (NTSC) ratio. Specifically, a liquid crystal display device is disclosed which includes a cold cathode fluorescent light tube as a light source, and a liquid crystal display panel for displaying images by controlling transmission of light from the cold cathode fluorescent light tube. The liquid crystal display panel includes a color filter substrate having color filter layers of red, green and blue, a thin film transistor (TFT) array substrate, and a liquid crystal material filled between the TFT array substrate and the color filter substrate. The cold cathode fluorescent light tube is a tri-phospher fluorescent fluorescent light tube, which utilizes Zn2SiO4:Mn as a green phosphor.
    Type: Application
    Filed: March 5, 2002
    Publication date: September 12, 2002
    Applicant: International Business Machines Corporation
    Inventors: Akihiro Horibe, Masaru Suzuki, Takashi Fujita, Naoya Kushida