US Patent Issued to Huawei Technologies'Co., 'Ltd.' on March 25 for "Optical defocus lens and method for implementing optical defocus" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,598, issued on March 25, was assigned to Huawei Technologies'Co.'Ltd.' (Guangdong, China).

"Optical defocus lens and method for implementing optical defocus" was invented by Youming Zhang (Shenzhen, China), Zhixiang Fan (Shenzhen, China) and Lifeng Sun (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical defocus lens includes: a first lens layer and at least one liquid crystal lens layer, where the first lens layer is a concave lens, a convex lens, or a plano lens, a refractive index of liquid crystal molecules in each of the at least one liquid crystal lens layer is controlled by an electric field, to converge or diverge pola...