Patents by Inventor Genshirou Kawashi

Genshirou Kawashi 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).

  • Thin-film transistor and method for manufacturing thin-film transistor
    Patent number: 8766260
    Abstract: A substrate; a gate electrode formed above the substrate; a gate insulating film formed above the gate electrode; a crystalline silicon semiconductor layer formed above the gate insulating film; an amorphous silicon semiconductor layer formed above the crystalline silicon semiconductor layer; an organic protective film made of an organic material and formed above the amorphous silicon semiconductor layer; and a source electrode and a drain electrode formed above the amorphous silicon semiconductor layer interposing the organic protective film are included, and a charge density of the negative carriers in the amorphous silicon semiconductor layer is at least 3×1011 cm?2.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: July 1, 2014
    Assignees: Panasonic Corporation, Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yuji Kishida, Takahiro Kawashima, Arinobu Kanegae, Genshirou Kawashi