ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,576, issued on Jan. 20, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Lighting device and lamp comprising same" was invented by Dong Hyun Lee (Seoul, South Korea), Kwang Hyun Ko (Seoul, South Korea) and Moo Ryong Park (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The lighting device disclosed in the embodiment includes a substrate, a light source portion disposed on the substrate, a resin layer disposed on the substrate and covering the light source portion, a light blocking layer disposed on the resin layer and having an opening portion, and an optical layer disposed on the light blocking layer, wherein the light s...