ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,497, issued on April 29, was assigned to BAE Systems PLC (London).
"Diffuser screen" was invented by Jonathan Paul Freeman (Rochester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A optical apparatus to display an image to a user is disclosed. The apparatus comprises an image source to generate an image bearing light beam having a first numerical aperture; and a diffuser screen. The diffuser screen is configured to increase the numerical aperture of the image bearing light beam to a second numerical aperture. The diffuser screen comprises a first part comprising: a first face and second face substantially parallel to each other, a fir...