SOLID-STATE IMAGE SENSOR

PROBLEM TO BE SOLVED: To provide a solid-state image sensor having high sensitivity.SOLUTION: A solid-state image sensor in an embodiment comprises an infrared detecting pixel which varies the output potential upon receiving infrared, a non-sensitive pixel which has smaller displacement in the outpu...

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Bibliographic Details
Main Authors HONDA HIRONAGA, FUNAKI HIDEYUKI, KWON HONAM
Format Patent
LanguageEnglish
Published 04.10.2012
Subjects
COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide a solid-state image sensor having high sensitivity.SOLUTION: A solid-state image sensor in an embodiment comprises an infrared detecting pixel which varies the output potential upon receiving infrared, a non-sensitive pixel which has smaller displacement in the output potential upon receiving infrared than the displacement in the output potential of the infrared detecting pixel upon receiving infrared, a raw selection line which applies drive potential to both of the infrared detecting pixel and the non-sensitive pixel, and a differential amplifier which outputs the potential corresponding to the difference in potential between the output potential from the infrared detecting pixel inputted to an input terminal and the output potential from the non-sensitive pixel inputted to another input terminal. The infrared detecting pixel, the non-sensitive pixel, and the differential amplifier are disposed on the same semiconductor substrate.
Bibliography:Application Number: JP20110051274