LED

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LED

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LEDs are broadly grouped into visible LEDs and invisible LEDs. Visible LEDs are mainly used for display or illumination, where LEDs are used individually without photosensors. Invisible LEDs, however, are mainly used with photosensors such as photodiodes or CMOS image sensors. In the visible LED category, Hamamatsu provides red LEDs used in combination with photosensors for applications such as optical switches. Hamamatsu red LEDs have high emission power that allows photosensors to generate a large photocurrent when they detect the LED light.

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