Biometric device and biometric system including the same

The biometric device of claim I. further comprising:

• a second reflective layer provided on the light source and reflecting the light to the light source or the biogenic-synthesized film;
• a second beam splitter disposed between the second reflective layer and the light source to provide the light to the second reflective layer or the biogenic-synthesized film;
• and
• a second light switching layer disposed between the second beam splitter and the light source to switch the light provided on the light source.

A biometric system comprising:

• a substrate;
• a biometric device disposed on one side of the substrate;
• and
• a sensing device disposed on another side of the substrate,
• wherein the biometric device comprises:
• a biogenic-synthesized film on the substrate;
• a first reflective layer disposed on one side of the biogenic-synthesized film;
• a first light source disposed on the first reflective layer to generate first light;
• a first beam splitter disposed between the first light source and the first reflective layer to provide the first light to the first reflective layer and the other side of the biogenic-synthesized film;
• and
• a light switching layer disposed between the first beam splitter and the first reflective layer to switch the first light provided to the first reflective layer.