The invention provides a passive display intelligent card and a control method. The passive display intelligent card comprises an induction circuit, a control circuit and a display screen, wherein theinduction circuit is used for receiving an external induction signal and converting the induction signal into a power supply, and the induction circuit transmits the power supply to the control circuit; and when the control circuit detects that data to be displayed is transmitted to the display screen, the control circuit controls the power supply to supply power to the display screen. The passive display intelligent card can guarantee that the power supply and the data are simultaneously transmitted to the electronic paper display screen, so that the messy code problem of the display screenis avoided, and meanwhile, in order to solve the technical problem, a special circuit is designed to solve the technical problem.

Passive display intelligent card and display control method

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Passive display intelligent card and display control method