Patents by Inventor Xiaoqian Zhao

Xiaoqian Zhao 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).

  • Publication number: 20240161535
    Abstract: Sensing circuit, detection control method, fingerprint identification module and display apparatus are provided. The sensing circuit comprises a photoelectric conversion element, an energy storage circuit, a switch control circuit, a discharge control circuit and a voltage conversion circuit. The photoelectric conversion element controls potential of first terminal of energy storage circuit according to received optical signal; the switch control circuit controls first terminal of energy storage circuit to be connected to or disconnected from conversion control node; the discharge control circuit controls conversion control node be connected to or disconnected from first voltage terminal; the voltage conversion circuit controls to output voltage signal outputted by output terminal according to second and/or third voltage signals.
    Type: Application
    Filed: June 18, 2021
    Publication date: May 16, 2024
    Inventors: Chao CHEN, Shuai XU, Wenchen ZHANG, Bin ZHAO, Xiaoqian DU, Luyao FAN, Binbin XU, Zhenqian ZHAO, Junyu WU, Jingshu ZHANG
  • Patent number: D1021274
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: April 2, 2024
    Inventor: Xiaoqian Zhao