Patent ID: 7491920
Filing Date: 2009-02-17
Classification: G01J,H01L,H04N

Abstract:
1. A focal plane array (FPA) having an array of pixels, wherein each pixel comprises: a plurality of radiation detectors, each detector having a collection region, the detectors' collection regions overlapping within each said pixel; a lens element that concentrates incident radiation into a focal region that is covered by a union of the detectors' collection regions; and a plurality of switch elements connected to respective detectors, each said switch element being switchable between a first state for transmitting a signal received from its corresponding detector to an output and a second state for blocking transmittal of the signal for a de-selected detector, wherein when the switch element is in the second state the de-selected detector floats to a photovoltage and re-emits some of its accumulated photo charge into the neighboring detectors within the pixel.