ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,885, issued on Oct. 20, was assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY Co. LTD. (Shenzhen, China).
"Quantum dot, preparation method thereof, and quantum dot film" was invented by Miao Zhou (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a quantum dot, a preparation method thereof, and a quantum dot film. The quantum dot of the present invention includes a quantum dot core and a metal shell, and a hollow ring is formed between an inner wall of the metal shell and an outer wall of the quantum dot core. The present invention prevents the use of a transition shell s...