Patents Assigned to Kuroi Electric Co., Ltd.
  • Patent number: 9671084
    Abstract: A plurality of LED light sources that are mounted on a front face of a mounting plate are separated from each other respectively being disposed in cells of a partitioning wall. Inner faces of the respective cells are made of a material of low reflectivity. With respect to a normal line direction of the mounting plate, light of the LED light source is viewed, as light being brighter the closer to a back side and darker the closer to a near side on the inner face, in a state of being given gradations by the inner face.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 6, 2017
    Assignee: Kuroi Electric Co., Ltd.
    Inventors: Nobuaki Hayashi, Tadashi Hashimoto