ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,315, issued on Oct. 28, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).
"Light field display apparatus" was invented by Jian Gao (Beijing), Fang Cheng (Beijing), Qingxun Zhang (Beijing), Jinye Zhu (Beijing) and Tao Hong (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for optical-field displaying includes: a display screen and a lens unit provided on a light exiting side of the display screen; the lens unit includes a plurality of lenses arranged in an array; the display screen is provided on a focal plane of the plurality of lenses; the display screen includes a first substrate and a second substrate that matc...