ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,847, issued on March 18, was assigned to New Vision Display Inc. (Roseville, Calif.).
"High impedance driver for bi-stable and multi-stable displays and method to drive same" was invented by Quanshui Shi (Shenzhen, China) and Steve Beldon (Malvern, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method to drive bi-stable liquid crystal displays and related drivers and displays using same are disclosed. The method and driver use additional high impedance states of the outputs to save power while addressing bi-stable and multi-stable liquid crystal displays. The invention implements high impedance states at the driver outputs, allowing...