ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,570, issued on Dec. 16.
"Near-to-eye display device" was invented by Chundong Guan (Jilin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A near-to-eye display device includes a display image source (01) which includes an electronic display and is used for generating image light; an collimating device (02) which includes a microlens array including refraction microlens units having approximately the same focal length, wherein a distance between the collimating device (02) and the display image source (01) is approximately the focal length of the refraction microlens units, the collimating device (02) is used for collimating the image light emi...