US Patent Issued to The George Washington University on Oct. 14 for "Efficient monolithic optocoupler device" (Virginia Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,210, issued on Oct. 14, was assigned to The George Washington University (Washington).

"Efficient monolithic optocoupler device" was invented by Matthew Lumb (Alexandria, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An efficient monolithic optocoupler device that includes a photovoltaic region, an electrically isolating region, and a light emitting region deposited on a substrate in a single stack. The electrically isolating region (e.g., one or more diodes or resistive semiconductor layers) allows photons to pass from the light emitting region to the photovoltaic region while blocking electrical current between those regions. In some embodime...