ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,641, issued on June 16, was assigned to BrightView Technologies Inc. (Durham, N.C.).
"Back light unit for backlit displays" was invented by Kenneth L. Walker (Semora, N.C.) and Matthew K. Pope (Durham, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A BLU includes a 2D array of LEDs producing light with an angular distribution of nominally plus-minus90 degrees around a center. A transparent solid material layer is positioned with a bottom surface over the 2D array of LEDs and configured to transform the light produced by the 2D array into light having an angular distribution of nominally less than plus-minus90 degrees around the at a top surface...