US Patent Issued to E Ink on July 28 for "Variable light transmission device comprising electrophoretic medium having a compination of light reflective and light absorbing pigment particles" (Massachusetts Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,568, issued on July 28, was assigned to E Ink Corp. (Billerica, Mass.).

"Variable light transmission device comprising electrophoretic medium having a compination of light reflective and light absorbing pigment particles" was invented by Yu Xia (Acton, Mass.), Dirk Hertel (Quincy, Mass.), Dan Luo (Billerica, Mass.) and Stephen J. Telfer (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable light transmission device is disclosed, the variable light transmission device comprising two light transmissive electrode layer and a microcell layer having a plurality of microcells. Each of the plurality of microcells includes a first type...