ALEXANDRIA, Va., July 30 -- United States Patent no. 12,376,404, issued on July 29.
"Optical component with waveguide based filter" was invented by Christian Wohler (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some disclosed embodiments, an image sensor is provided for recording incident radiation may include a first layer for filtering the incident radiation by attenuating incident radiation with a frequency below a cutoff frequency and a second light-sensitive layer for absorbing radiation passing through the first layer. The first layer may precede the second light-sensitive layer in a direction of propagation of the incident radiation and the first layer includes at least one ap...