Patents by Inventor Panhua ZHOU

Panhua ZHOU 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: 20200142232
    Abstract: The present disclosure provides an electrically controllable optical device and a method for operating the same. The electrically controllable optical device comprises a multi-stable liquid crystal layer and a controller, wherein the electrically controllable optical device is switchable between a transparent state and a non-transparent state. The method for operating the electrically controllable optical device comprises applying a voltage to the multi-stable liquid crystal layer, controlling at least one of the amplitude, frequency and number of pulses of the voltage to switch the electrically controllable optical device between a transparent state and a non-transparent state, and removing the voltage.
    Type: Application
    Filed: July 14, 2017
    Publication date: May 7, 2020
    Inventors: Rainer DEMUTH, Sun GANG, Yu REN, Wenlei LI, Panhua ZHOU, Grant HAY, Paul KORFF, Madhavi KANTETI, Michael P. STEWART