Patents by Inventor Tomoyuki Syukunami

Tomoyuki Syukunami 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).

  • Patent number: 8335035
    Abstract: One embodiment of the present invention is a multi-color display panel, including: a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer, a rear electrode plate, wherein the transparent substrate, the color filter layer, the transparent electrode layer, the microcapsule layer the adhesive layer and the rear electrode plate are arranged in this order, the microcapsule layer is directly formed on the transparent electrode layer, the microcapsule layer has a structure in which microcapsules are dispersed in a binder resin, a dispersion liquid in which an electrophoresis particle is dispersed in a transparent dispersion medium is enclosed in the microcapsule, and an optical reflection property of the microcapsule changes according to a change of electric field by application of a voltage, and wherein the electrode plate has a rear substrate with a pixel electrode.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: December 18, 2012
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
  • Publication number: 20120236391
    Abstract: One embodiment of the present invention is a multi-color display panel, including: a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer, a rear electrode plate, wherein the transparent substrate, the color filter layer, the transparent electrode layer, the microcapsule layer the adhesive layer and the rear electrode plate are arranged in this order, the microcapsule layer is directly formed on the transparent electrode layer, the microcapsule layer has a structure in which microcapsules are dispersed in a binder resin, a dispersion liquid in which an electrophoresis particle is dispersed in a transparent dispersion medium is enclosed in the microcapsule, and an optical reflection property of the microcapsule changes according to a change of electric field by application of a voltage, and wherein the electrode plate has a rear substrate with a pixel electrode.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 20, 2012
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
  • Patent number: 8169691
    Abstract: One embodiment of the present invention is a multi color display panel, having a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer; and a rear electrode plate, wherein the rear electrode plate is an electrode plate in which a pixel electrode is arranged on a substrate, a film thickness of the color filter layer is 0.5-2.0 ?m, a step between pixels or inside a pixel inside a display screen, the step being difference of the film thickness, is equal to or less than 0.3 ?m, one of the pixels does not overlap an adjacent pixel, and a top edge of each of the pixels of a trapezoid shape is within 5.0 ?m from a border of the pixel.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: May 1, 2012
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu
  • Patent number: 8064126
    Abstract: One embodiment of the present invention is a color electrophoresis type display medium panel having a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive layer and a rear electrode plate, wherein the microcapsule particle has a specific distribution wherein an average particle diameter of the microcapsule in a direction observed from a viewer is defined as X, and an average particle diameter of the microcapsule in another direction perpendicular to the direction observed from a viewer is defined as Y.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: November 22, 2011
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Takashi Miyamoto, Ryuji Doi, Tomoyuki Syukunami, Fumihiko Nakatsu