ALEXANDRIA, Va., June 10 -- United States Patent no. 12,295,204, issued on May 6, was assigned to Apple Inc. (Cupertino, Calif.).
"Polarizer-free displays" was invented by Young Cheol Yang (Sunnyvale, Calif.), Bhadrinarayana Lalgudi Visweswaran (San Mateo, Calif.), Michelle C Sherrott (Cupertino, Calif.) and Fuyi Yang (Santa Clara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The circular polarizer may be omitted from a display to increase efficiency. A polarizer-free display may use other non-polarizer techniques to mitigate reflections of ambient light and mitigate diffraction reflection artifacts. The polarizer-free display may include a black pixel definition layer that absorbs ambient light. Co...