Patents by Inventor Mari HOSOKAWA

Mari HOSOKAWA 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).

  • ORGANIC EL DISPLAY APPARATUS AND ACTIVE MATRIX SUBSTRATE
    Publication number: 20190123119
    Abstract: An organic EL display apparatus includes a substrate, and a pixel circuit provided for each pixel. The pixel circuit includes a first oxide semiconductor TFT having a first oxide semiconductor layer, and a second oxide semiconductor TFT having a second oxide semiconductor layer. The first oxide semiconductor TFT has a top-gate structure. The second oxide semiconductor TFT has a bottom-gate structure. The second oxide semiconductor TFT has a shield electrode that is disposed on an insulating layer disposed on the second oxide semiconductor layer, facing the second oxide semiconductor layer.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Inventors: Tadayoshi MIYAMOTO, Mari HOSOKAWA, Yoshinobu NAKAMURA, Hirohiko NISHIKI