Fish & Richardson P.C.
Wide spectrum optical sensor
An optical sensor including a semiconductor substrate; a first light absorption region formed in the semiconductor substrate, the first light absorption region configured to absorb photons at a first wavelength range and to generate photo-carriers from the absorbed photons; a second light absorption region formed on the first light absorption region, the second light absorption region configured to absorb photons at a second wavelength range and to generate photo-carriers from the absorbed photons; and a sensor control signal coupled to the second light absorption region, the sensor control signal configured to provide at least a first control level and a second control level.
Artilux, Inc.
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Che-Fu Yun-Chung Hui-Wen Han-Din Szu-Lin Shu-Lu
Liang Na Chen Liu Cheng Chen