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US 12,751,106 B2Granted
Enhanced dual-band night vision system
AssigneeSRI International
InventorsWinston K. Chan, David John Hill
Life of this patent
Estimating the term…
Abstract
An example image intensifier includes a quantum well infrared photodetector (QWIP) configured to receive photons to photoexcite carriers out of a localized quantum state; and a light emitting diode (LED), wherein the photoexcited carriers control the LED.
Claims19
An image intensifier comprising:
- a quantum well infrared photodetector (QWIP) configured to receive photons to photoexcite carriers out of a localized quantum state;
- and
- a light emitting diode (LED), wherein the photoexcited carriers control the LED,
- wherein the QWIP and the LED are embedded within a photothyristor.
1 more element
An image intensifier comprising:
- a quantum well infrared photodetector (QWIP) configured to receive photons to photoexcite carriers out of a localized quantum state;
- a light emitting diode (LED), wherein the photoexcited carriers control the LED;
- a first transistor;
- and
- a second transistor.
2 more elements
A night-vision system including a circuit comprising:
- a photothyristor;
- a transistor;
- and
- a gate voltage source,
- wherein the gate voltage source biases a gate of the transistor and the photothyristor serves as an active load for the transistor.
2 more elements
Dependencies are inferred from the claim text.