ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,545, issued on Dec. 16, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Circuit board" was invented by Se Woong Na (Seoul, South Korea) and Jung Eun Han (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printed circuit board according to an embodiment comprises: an insulating layer; a circuit pattern disposed on the upper surface of the insulating layer; a support layer which is disposed on the upper surface of the insulating layer to expose the upper surface of the circuit pattern and is in contact with the sides of the circuit pattern; and a protective layer disposed on the upper surfaces of the support layer and the ...