ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,199, issued on Dec. 9, was assigned to SHANGHAI YUPEI PHOTOELECTRIC TECHNOLOGY Ltd. (Shanghai).

"Splicing display apparatus for floating image and multi-layer display device comprising the same" was invented by Lei Niu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A splicing display apparatus for floating image and a multi-layer display device comprising the same are disclosed. The splicing display apparatus comprises: a display module configured to emit, on a display plane thereof, display light constituting a target image; a plurality of optical imaging modules configured to receive the display light to form a floating image in the air; ...