ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,724, issued on Oct. 21, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).

"Projection device and light source system thereof" was invented by Hung-Ying Lin (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides projection device and light source system thereof. The light source system includes a first light source, a second light source, a curved surface reflection element and a wavelength conversion element. The first light source is configured to emit a first light beam. The second light source is configured to emit a second light beam. The curved surface reflection element has a first focal point and a gro...