ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,670, issued on April 21, was assigned to CHANGSHA HKC OPTOELECTRONICS Co. LTD. (Changsha City, China) and HKC CORPORATION LIMITED (Shenzhen, China).
"Lamp bead and display device" was invented by Hailong He (Changsha City, China) and Haijiang Yuan (Changsha City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lamp bead structure is used for connection to at least two mutually independent control lines. The lamp bead structure includes a light-guiding element and a light-emitting element. The light-guiding element is provided with a light output region and a light input region. At least two light-emitting elements are provided to be connecte...