ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,523, issued on Oct. 14.
"Lighting device using combined power generation" was invented by Ok Ja Jeon (Suwon-si, South Korea), Seung Won Seo (Suwon-si, South Korea), Xue Bin Yin (Suwon-si, South Korea), Yoon Ju Kook (Ansan-si, South Korea) and Bong Hyoung Kim (Gwangju, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a lighting device using combined power generation. Particularly, the lighting device using combined power generation includes a first power generation part including a first thermoelectric element whose first surface has a high temperature part formed by solar heat, the first power generation part being configured t...