ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,721, issued on Sept. 1.

"Cold light source light-emission apparatus, light-emission adjustment method, and outdoor light-emission device" was invented by Wenjie Li (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cold light source light-emission apparatus, a light-emission adjustment method, and an outdoor light-emission device. The cold light source light-emission apparatus includes a fluorescent component and an LED module, the fluorescent component includes a transparent body and a fluorescent layer, an interior of the transparent body is an accommodation cavity, the fluorescent layer is arranged inside the accommodation cavity,...