ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,980, issued on May 13, was assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Hubei, China).
"Display devices" was invented by Shuliang Yu (Hubei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device that includes a back frame and an optical diaphragm group. The back frame includes a bottom plate and a plurality of connection plates connected to a same side of the bottom plate to define an accommodation groove in the back frame, a side of the connection plates close to the accommodation groove is provided with a sliding slot, and a notch of the sliding slot is provided facing the accommodation groove. The optical diap...