CPC G06V 40/1318 (2022.01) [G06F 21/32 (2013.01); H01L 27/14623 (2013.01); G06F 21/84 (2013.01)] | 21 Claims |
1. A fingerprint sensor, comprising:
a substrate;
a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer;
a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and
a light guide unit disposed on the light-blocking conductive layer,
the fingerprint sensor further comprising an insulating layer disposed on the common electrode,
wherein the light-blocking conductive layer is disposed on the insulating layer, and
wherein the light-blocking conductive layer is electrically insulated from the common electrode.
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