US Patent Issued to Lutron Technology on Sept. 9 for "Color mixing optics for LED lighting" (Texas Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. RE50,582, issued on Sept. 9, was assigned to Lutron Technology Co. LLC (Coopersburg, Pa.).

"Color mixing optics for LED lighting" was invented by Fangxu Dong (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Color mixing optics for a multi-color LED lamp comprise an outer reflector having a paraboloidal surface of revolution and a total inner reflection (TIR) lens having an outer contour with a paraboloidal surface of revolution. The outer reflector and the TIR lens are centered around a common center axis. A common focal point of the outer reflector and the TIR lens is provided for placing a LED assembly. Such LED lamps produce uniform color ...