ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,672, issued on April 21.
"Through-hole LED lamp bead" was invented by Zhiyao Chen (Taoyuan County, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A through-hole LED (light-emitting diode) lamp bead is provided, including a lead frame, and a light-transmissive colloid arranged on the lead frame. The lead frame includes a first lead and a second lead which are nonpolar; an end portion, extending toward the light-transmissive colloid, of the first lead is provided with a reflective cup; and a first light-emitting chip is connected into the reflective cup. End portions of the first lead and the second lead are provided with more than one group of...