US Patent Issued to ZHEJIANG UNIVERSITY on Feb. 10 for "Continuous-wave perovskite polariton laser device and a laser chip" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,977, issued on Feb. 10, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Continuous-wave perovskite polariton laser device and a laser chip" was invented by Dawei Di (Hangzhou, China), Chen Zou (Hangzhou, China) and Baodan Zhao (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A continuous-wave perovskite polariton laser device, including an optical microcavity, a spacer layer, and a gain medium. The gain medium is a perovskite material or a composite material containing perovskite, in a form of thin film, microcrystal, phosphor, nanocrystal, quantum dot, or single crystal. The perovskite gain medium is prepared by solution proc...