Brightness detection sensors including illuminance sensors are used for dimming and automatic operation of lights according to their surroundings, as well as for dimming backlights of LCDs. Hamamatsu offers a wide variety products, including phototransistors that simply detect when surroundings have become dark, illuminance sensors with a spectral response close to human eye sensitivity, as well as color sensors and spectroscopic sensors suitable for applications such as measuring both brightness and color temperature.
|Object to be detected||Applicable products||Features|
|Illuminance sensor||Phototransistor||An analog output sensor that amplifies and outputs the electric current generated by incident light|
|Photo IC diode||An analog output sensor with spectral response close to human eye sensitivity|
|Light-to-frequency converter photo IC||A digital output sensor that converts illuminance into frequency|
|Color||Color sensor||RGB color sensor||A sensor containing a 3-channel photodiode sensitive to blue, green, and red light, all in one package|
Micro series/SMD series
|An ultra-compact spectroscope head with an integrated image sensor and optical system
Applicable to handy spectrophotometers for monitoring color rendering, etc.
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