ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,322, issued on March 24, was assigned to LETINAR Co. LTD (Anyang-si, South Korea).
"Optical device for augmented reality having ghost image prevention function" was invented by Jeong Hun Ha (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical device for augmented reality having a ghost image prevention function. The optical device includes: an image output unit to output virtual image light; an optical unit configured such that the virtual image light propagates through an inside thereof and real object image light is transmitted therethrough toward a pupil; a first optical element inside the optical unit to tra...