ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,980, issued on Sept. 2, was assigned to JOININ GLOBAL PTE.LTD. (Singapore).
"Downlight" was invented by Hongbing Zheng (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downlight comprising a back cover, a LED light panel, a hollow ring, and a diffuser panel is provided. A bottom and a sidewall of the back cover constitute an accommodation space. An end of the sidewall away from the bottom has an opening. The LED light panel is disposed at the bottom of the back cover. The hollow ring is disposed at the opening of the back cover. An inner sidewall of the hollow ring extends along an axis of the hollow ring, and is made of light-trans...