Smart card with LED and manufacturing method thereof

The present disclosure relates to a smart card device comprising a laminated core comprising, in order from top to bottom: a front substrate (10); a first flexible sheet (20) having a card circuit formed thereon; a first substrate (30); the invention relates to a card circuit comprising a front substrate (10), a second flexible sheet (40) having inductive circuitry formed thereon, and a second substrate (50), where the front substrate (10) provides at least one first opening (11) defining a via design and a second opening (12) through which contact pads (22) are exposed, where the card circuit comprises: a flip chip (21), a first antenna coil (24) conductively coupled to the flip chip (21), and a second antenna coil (24) electrically coupled to the first antenna coil (24). The inductive circuit comprises at least one LED module (46) arranged in proximity to the at least one first opening (11) and a second antenna coil (44) conductively coupled to the at least one LED module (46), and wherein the at least one