Patent ID: 8678293

Claim:
A flexible public transportation card with display function, comprising: a first card body; a second card body; a flexible electronic system disposed between the first card body and the second card body, wherein the flexible electronic system comprises: a flexible display; a display circuit connecting the flexible display; a communication interface for receiving a wireless signal; a power generator for connecting the display circuit and the communication interface and generating electricity according to the wireless signal; and a capacitor storing the electricity generated by the power generator for providing power to the display circuit using the stored electricity, such that the flexible display displays a frame; and a smart card integrated circuit via which the communication interface is connected to the display circuit, wherein the smart card integrated circuit executes a security verification, and only when the security verification is successful, the communication interface is allowed to communicate with the display circuit through the smart card integrated circuit; and wherein, a capacitance of the capacitor rangess between 0.1 and 20 microfarads (mF).