Patents by Inventor Kayo KUMAKURA

Kayo KUMAKURA 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).

  • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20140306288
    Abstract: Provided is a flexible device with fewer defects caused by a crack or a flexible device having high productivity. A semiconductor device including: a display portion over a flexible substrate, including a transistor and a display element; a semiconductor layer surrounding the display portion; and an insulating layer over the transistor and the semiconductor layer. When seen in a direction perpendicular to a surface of the flexible substrate, an end portion of the substrate is substantially aligned with an end portion of the semiconductor layer, and an end portion of the insulating layer is positioned over the semiconductor layer.
    Type: Application
    Filed: April 7, 2014
    Publication date: October 16, 2014
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki ADACHI, Kayo KUMAKURA