ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,853, issued on Aug. 26, was assigned to Qisda Corp. (Taoyuan, Taiwan).
"Light source system" was invented by Chih-Shiung Chien (Taoyuan, Taiwan) and Ming-Kuen Lin (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source system includes a first light source and a beam conversion element. The first light source is configured to emit a first light. The beam conversion element is configured to convert the first light into a condensed light and a diffused light. The beam conversion element has a light transmission surface, the light transmission surface includes a flat region and a curved-surface region, the flat region completely s...