ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,207, issued on Aug. 12, was assigned to Essilor International (Charenton-le-Pont, France).
"Lens with color enhancement" was invented by Elliot French (Dallas) and Srinivasan Balasubramanian (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the disclosure relate to the use of dyes that impart localized regions of reduced transmittance across specific wavelength ranges. The inclusion of transmittance-attenuating dyes into a lens provides enhanced color contrast by tuning the spectrum of visible light transmission through the lens."
The patent was filed on Dec. 1, 2023, under Application No. 18/525,964.
*For further information, ...