Patents by Inventor Takeo Chida

Takeo Chida 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 display device including a light diffusing bonding layer
    Patent number: 4168102
    Abstract: A light-emitting display device comprising a printed wiring board impressed with a wiring pattern; a light-emitting element mounted on the printed wiring board and electrically connected to the wiring pattern; a reflector provided with a penetrating hole for receiving the light-emitting element at its lower opening and disposed on the printed wiring board, the inner wall of the penetrating hole acting as a reflection plane; a light-permeable film containing light-scattering materials and closing the upper opening of the penetrating hole; and a bonding layer containing light-scattering material, the bonding layer bonding the light-permeable film to the reflector.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: September 18, 1979
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Takeo Chida, Hiroshi Fujita