Fingerprint on Display (FoD) Modules based on organic photodetectors have been realized and have achieved high performances for integration within smartphones. Such modules allow full display size enabling multiple fingers authentication at once and increasing security level.
The solution‐processed organic optical sensors based on a‐Si TFT backplane have been realized, which indicate the comparable performance compared to a‐Si photodiode optical sensors. Furthermore, the organic sensors demonstrate an extremely low absolute sensitivity threshold (also known as Noise Equivalent Power, NEP), which is down to 2.1 nW/cm2 at 530nm.
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