Patents Assigned to Limited & Sony Corporation
  • Publication number: 20040248019
    Abstract: A color filter array having a green filter layer on a substrate wherein the green filter layer comprises a copper phthalocyanine dye having its absorption maximum at a wavelength of 600 to 700 nm, and a pyridone azo dye having its absorption maximum at a wavelength of 400 to 500 nm; and has a transmittance at a wavelength of 450 nm of 5% or less and that at 535 nm of 62% or more is provided; and the color filter array shows excellent spectroscopic characteristics with respect to green light and has a green filter layer excellent in light fastness.
    Type: Application
    Filed: January 5, 2004
    Publication date: December 9, 2004
    Applicant: Sumitomo Chemical Company , Limited & Sony Corporation
    Inventors: Kazuhiro Machiguchi, Yuuji Ueda, Hiroki Endo, Taichi Natori, Toyomi Jinwaki
  • Publication number: 20040170908
    Abstract: A color filter array having a red filter layer on a substrate wherein the red filter layer comprises a xanthene dye having its absorption maximum at a wavelength of 500 to 600 nm, and a pirazolone azo dye having its absorption maximum at a wavelength of 400 to 550 nm; and has a transmittance at a wavelength of 535 nm of 1% or less and that at 650 nm of 90% or more; and the color filter array shows excellent spectroscopic characteristics with respect to red light and has a red filter layer excellent in light fastness.
    Type: Application
    Filed: March 12, 2004
    Publication date: September 2, 2004
    Applicants: Sumitomo Chemical Company, Limited & Sony Corporation
    Inventors: Kazuhiro Machiguchi, Yuuji Ueda, Hiroki Endo, Taichi Natori, Toyomi Jinwaki