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 Corporation
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Han-Din Che-Fu Shu-Lu Hui-Wen Yun-Chung Szu-Lin
Liu Liang Chen Chen Na Cheng