ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,729, issued on Feb. 18, was assigned to Jiaxing UPhoton Optoelectronics Technology Co. Ltd. (Zhejiang, China).
"Method for designing diffractive optical element and partitioned uniform light illumination system" was invented by Zhentao Fan (Zhejiang, China), Yuming Song (Zhejiang, China) and Kehan Tian (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for designing a diffractive optical element comprises: determining parameters of a light source and a target light field of a diffractive optical element; according to the parameters of the light source, determining the distribution of a plurality of first microstructure units on...