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US 10,872,224 B2Granted
Smart card
AssigneeSilicon Display Technology
InventorsJong Woo Jin, Taehan Go, Youn Duck Nam
Life of this patent
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Abstract
A smart card according to an exemplary embodiment of the present invention includes: a transparent substrate including a side contacting a finger of a user; a reflection layer separated from the transparent substrate, facing the transparent substrate, and including a metal material; a photosensor provided between the transparent substrate and the reflection layer, and sensing light reflected and input from the reflection layer; and a card substrate including an opaque material and covering the reflection layer.
Claims15
A smart card comprising:
- a transparent substrate including a side contacting a finger of a user;
- a reflection layer separated from the transparent substrate, facing the transparent substrate, and including a metal material;
- a photo-sensor provided between the transparent substrate and the reflection layer, and sensing light reflected and input from the reflection layer;
- and
- a card substrate including an opaque material and covering the reflection layer.
2 more elements
Dependencies are inferred from the claim text.