ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,527, issued on Dec. 16, was assigned to ANPEC ELECTRONICS Corp. (Hsinchu, Taiwan).

"Driver circuit for adaptively switching light-emitting diode current" was invented by Wen-Yen Chen (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver circuit for adaptively switching a light-emitting diode current is provided. The driver circuit at least includes a first transistor, a first switching component, a second transistor, a third transistor and an operational amplifier. A first terminal of the first transistor is connected to a first input terminal of the operational amplifier. A first terminal of the first switching component is conne...