US Patent Issued to University of Massachusetts on Oct. 14 for "Spectrally filtered photodiode pair" (Massachusetts Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,341, issued on Oct. 14, was assigned to University of Massachusetts (Boston).

"Spectrally filtered photodiode pair" was invented by Guangyu Xu (Amherst, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectrally filtered photodiode pair includes a substrate having a first photodiode and a second photodiode, wherein the first photodiode is positioned adjacent to the second photodiode. The spectrally filtered photodiode pair further includes a first spectral filter positioned over the first photodiode and a second spectral filter positioned over the second photodiode. The first and second spectral filters comprise particular absorbing dye compo...