ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,213,221, issued on Jan. 28.
"Electrodeless dichromatic flickering bulb and light-emitting-diode light string" was invented by Dianqing Zheng (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrodeless dichromatic flickering bulb includes: a built-in chip, a first light-emitting-diode element and a second light-emitting-diode element; the built-in chip includes a first input terminal, a second input terminal, a first output terminal and a second output terminal, the first input terminal is electrically connected to the first output terminal, and the second input terminal is electrically connected to the second output terminal; an ano...