ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,667, issued on Feb. 17, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Wavelength conversion module and projection device" was invented by Meng-Syuan Dai (Hsin-Chu, Taiwan) and Chih-Sheng Wu (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength conversion module, including a substrate, a wavelength conversion member, and a fixing ring, is provided. The substrate has an annular groove. The wavelength conversion member is disposed in the annular groove of the substrate. The fixing ring is disposed on the substrate and is configured to press on an inner region and an outer region of the annular groove and a portion of the...