Patents by Inventor Kazuhiko Yamagawa

Kazuhiko Yamagawa 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).

  • Liquid crystal display device
    Patent number: 8730443
    Abstract: A liquid crystal display device includes first and second substrates with a liquid crystal layer disposed therebetween, a display region and a peripheral region, a gate signal line and an image signal line, an insulating layer formed over the gate signal line and the image signal line, a pixel electrode formed in the display region, a counter electrode formed over the insulating layer and formed by a first transparent conductive layer, and a second transparent conductive layer and an external connection terminal. The second transparent conductive layer and the external connection terminal are disposed in the peripheral region, and the second transparent conductive layer is formed over the insulating layer and is electrically connected to the counter electrode and the external connection terminal. A part of the gate signal line is covered by the second transparent conductive layer in the peripheral region.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: May 20, 2014
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Kazuhiko Yamagawa, Masahiro Yanai, Nobutake Konishi, Nobuyuki Suzuki, Masahiro Ishii, Makoto Yoneya, Sukekazu Aratani