Patent ID: 8418926

Claim:
A smart card, suitable for receiving data and electronic power from a far-end reader/writer wirelessly, the smart card comprising: a main body; an e-paper, disposed at the main body; an e-paper driver, disposed at the main body, having a first receiving end, a second receiving end and an output end, and the output end being electrically connected to the e-paper; a radio frequency identification (RFID) tag chip, disposed at the main body, having a receiving end and an output end, and the output end being electrically connected to the second receiving end of the e-paper driver; a receiving unit, disposed at the main body and separately electrically connected to the e-paper driver and the RFID tag chip, and receiving the data and the electric power wirelessly, wherein the receiving unit transfers the electric power to the e-paper driver without the RFID tag chip and transfers the data to the e-paper driver through the RFID tag chip, and e-paper driver drives the e-paper to display information by the data and the electric power; wherein the e-paper consumes power only when a display image is changed and can continually display an image without additional power being supplied; and wherein the receiving unit comprises: a first antenna, electrically connected to the first receiving end of the e-paper driver, wherein the first antenna receives the electric power wirelessly, and transfers the electronic power to the first receiving end of the e-paper driver; a second antenna, electrically connected to the receiving end of the RFID tag chip, wherein the second antenna receives the data, and transfers the data to the second receiving end of the e-paper driver through the output end of the RFID tag chip; a booster electrically connected to the receiving unit for boosting the electric power, and wherein the booster is electrically connected to the first antenna for boosting the electric power.