ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,753, issued on Feb. 18, was assigned to DAICEL Corp. (Osaka, Japan).
"Anti-glare film" was invented by Yoshitaka Sugawara (Tokyo) and Masaki Hayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular glos...