ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,289, issued on Aug. 25, was assigned to FUTURUS TECHNOLOGY Co. LTD. (Beijing).
"Image source, display device, head up display apparatus and transportation equipment" was invented by Junfeng Xu (Beijing) and Huijun Wu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image source, a display device, a head up display apparatus and a transportation equipment are disclosed. In the display device, the refractor is on a light exiting side of the image source component and changes an optical distance of the image light, so as to change the imaging distance of a virtual image formed by the image light; the processing portion is on a light exiting s...