US Patent Issued to 3M Innovative Properties on July 7 for "Display backlight including optical film having a transmission peak wavelength greater than an emisssion peak wavelegnth of the backlight" (Minnesota Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,013, issued on July 7, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Display backlight including optical film having a transmission peak wavelength greater than an emisssion peak wavelegnth of the backlight" was invented by Lin Zhao (Woodbury, Minn.), Gilles J. Benoit (Minneapolis), Bharat R. Acharya (Woodbury, Minn.) and Robert D. Taylor (Stacy, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight includes an illumination system having a plurality of light sources configured to emit at least red light from an emission surface, and an optical film having pluralities of first and second layers separated by at least one s...