ALEXANDRIA, Va., May 19 -- United States Patent no. 12,635,090, issued on May 19.

"Fast-locking structure of LED display module and its disassembly and assembly method" was invented by Qundian Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present invention is a fast-locking structure for the LED display module and its disassembly and assembly method. The fast-locking structure comprises a locking base, a locking shaft piece and a locking piece are arranged on the locking base through a locking groove, and an unlocking shaft piece is arranged on the locking shaft piece through a matching groove; the unlocking shaft piece switches the sliding state of the locking shaft p...