ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,315, issued on Feb. 24, was assigned to ROE VISUAL CO LTD (Shenzhen City, China).
"Transparent screen" was invented by Shengyun Deng (Shenzhen City, China), Hua Zhong (Shenzhen City, China), Lisheng Dai (Shenzhen City, China), Zhichun Tian (Shenzhen City, China) and Lei Chen (Shenzhen City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a transparent screen, including a first circuit board, an LED lamp bead and a plurality of first connecting columns. The first circuit board has a first surface and a second surface opposite to the first surface; the first circuit board includes a transparent portion provided w...