ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,441, issued on Oct. 28, was assigned to SHENZHEN HYPERNANO OPTICS TECHNOLOGY Co. LTD. (Shenzhen, China).
"Adjustable infrared optical filter device" was invented by Bin Guo (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tunable infrared optical filter device, includes a first mirror and a second mirror bonded to each other to form a cavity therebetween. A surface of a position where the first mirror and the second mirror are bonded to each other is provided with an electrode for driving the first mirror or the second mirror to move, and each of the first mirror and the second mirror is a distributed Bragg reflector formed by bondi...