ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,535, issued on Aug. 5, was assigned to ZEON Corp. (Tokyo).
"Display medium, display product, and display set" was invented by Akira Ikeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display medium comprises a substrate having first and second surfaces, and a reflective layer on at least one of the first and second surfaces. The substrate includes a polarized light separation layer capable of reflecting circularly polarized light having one rotation direction DA and transmitting circularly polarized light having an opposite rotation direction to the rotation direction DA therethrough. The reflective layer contains first and second reflecti...