Patents by Inventor Yuka Tatematsu

Yuka Tatematsu 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).

  • Light-emitting device, display and color conversion substrate
    Patent number: 11957020
    Abstract: A light-emitting device is described that includes a plurality of partially drivable light sources, and a color conversion component configured to convert at least part of incident light from at least part of the light sources and emit outgoing light falling in a different wavelength region from the incident light, where the color conversion component includes a pyrromethene derivative.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: April 9, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Yasunori Ichihashi, Daisaku Tanaka, Masahito Nishiyama, Keizo Udagawa, Yuka Tatematsu
  • LIGHT-EMITTING DEVICE, DISPLAY AND COLOR CONVERSION SUBSTRATE
    Publication number: 20210134890
    Abstract: A light-emitting device is described that includes a plurality of partially drivable light sources, and a color conversion component configured to convert at least part of incident light from at least part of the light sources and emit outgoing light falling in a different wavelength region from the incident light, where the color conversion component includes a pyrromethene derivative.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 6, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Yasunori Ichihashi, Daisaku Tanaka, Masahito Nishiyama, Keizo Udagawa, Yuka Tatematsu