US Patent Issued to 3M Innovative Properties on Sept. 1 for "Backlight and display system" (American, Taiwanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,520, issued on Sept. 1, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Backlight and display system" was invented by Yuhsin Lu (Changhua County, Taiwan), Bharat R. Acharya (Woodbury, Minn.) and Adam D. Haag (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight includes a plurality of light sources, a reflective polarizer disposed on the plurality of light sources, and an optical film disposed between the reflective polarizer and the plurality of discrete spaced apart light sources. For a substantially collimated incident light, for a visible wavelength range, and for a first incident angle of less than about 5...