Table 1 The optical responsivity and signal to noise ratio values of a-IZO sensor under different kinds of light source.

From: Highly Responsive Blue Light Sensor with Amorphous Indium-Zinc-Oxide Thin-Film Transistor based Architecture

V G  = −20 V, V D  = 10 V

Light source

Optical responsivity: R (A/W)

Signal to noise ratio (SNR)

ambient light

~0

similar to dark current

white light

~0

~10

red light, λ = 640(nm)

3.1*10−4

1~10

green light, λ=540(nm)

\(1\).56

\({10}^{4}\)

blue light, λ=460(nm)

1280

105

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