US Patent Issued to POINT TEK on July 22 for "AC direct driving circuit device for uniformity of multi-channel light emitting diodes" (South Korean Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,237, issued on July 22, was assigned to POINT TEK Co. LTD. (Yongin-si, South Korea).

"AC direct driving circuit device for uniformity of multi-channel light emitting diodes" was invented by Jun Sik Kim (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "AC (alternating current) direct driving circuit device for uniformity of multi-channel light emitting diodes includes: a power supply unit that applies AC voltage; a light emitting unit including a plurality of light emitting diodes which are connected in series and emit light by current according to the voltage applied by the power supply unit; a switch unit including a plurality ...