ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,599, issued on March 4, was assigned to DONGGUAN HUIHUAN LIGHTING Co. LTD (Dongguan, China).
"Lamp panel plugged type LED lamp bulb" was invented by Song Wang (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of lamp bulbs, and discloses a lamp panel plugged type light-emitting diode (LED) lamp bulb, including a lamp holder and a lamp bulb shell fixedly connected to the lamp holder, and further including an insulation fixed seat and a lamp panel type light source assembly for vertical mounting; the insulation fixed seat is arranged at an opening portion of the lamp bulb shell; the in...