ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,510, issued on June 23, was assigned to Shu-Mei Ku (Taoyuan City, Taiwan).
"Lighting apparatus" was invented by Cheng-Tao Yang (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting apparatus includes a light source unit including first, second and third white light source groups each of which is capable of emitting a white light, and a control unit. The first, second and third white light source groups have different correlated color temperatures. The control unit is electrically connected to the light source unit, and controls brightness of the first, second and third white light source groups to allow a light mixed by the...