US Patent Issued to Shenzhen NED Optics on April 8 for "Eyepiece optical system and head-mounted display device" (Chinese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,986, issued on April 8, was assigned to Shenzhen NED Optics Co. Ltd (Shenzhen, China).

"Eyepiece optical system and head-mounted display device" was invented by Huajun Peng (Shenzhen, China), Hongpeng Cao (Shenzhen, China) and Jianfei Guo (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an eyepiece optical system and a head-mounted display device. The system includes a first lens group, a second lens group, a third lens group, and a fourth lens group arranged coaxially and sequentially in an optical axis direction from an observation side of human eyes to a micro-image display side, wherein the first l...