US Patent Issued to E Ink on Sept. 2 for "Continuous waveform driving in multi-color electrophoretic displays" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,632, issued on Sept. 2, was assigned to E Ink Corp. (Billerica, Mass.).

"Continuous waveform driving in multi-color electrophoretic displays" was invented by Amit Deliwala (Andover, Mass.) and Sunil Krishna Sainis (Melrose, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Continuous waveforms for driving a four-particle electrophoretic medium including four different types of particles, for example a set of scattering particles and three sets of subtractive particles. Methods for identifying a preferred waveform for a target color state or a target transition when using a continuous or quasi-continuous voltage driver/controller."

The patent was...