Carry-on device for electronic devices e.g., personal digital assistant, displays image data based on ON/OFF state of power control switch with respect to reception of working voltage from power supply unit

摘要

A power supply unit (11) outputs work voltage to cholestric LCD (13) for continuously displaying image of prestored image data. A display control unit (14) controls display of different image data from the cholestric LCD based on ON/OFF state of power control switch (16) connected between power supply unit and cholestric LCD with respect to the availability of working voltage from power supply unit.