| 摘要 |
The invention provides an energy-saving carry-on chronometric device having a cholesteric color liquid crystal display, having a power supply unit for supplying a working voltage; a chronometric unit for providing time data; a storage unit for storing a plurality of image data; a cholesteric color liquid crystal display unit for displaying time data and image data; a display control unit for controlling a displaying behavior of the cholesteric color liquid crystal display unit; a control switch unit connected between the power supply unit and the cholesteric color liquid crystal display unit, wherein when the chronometric unit is set in a time mode, the control switch unit may switch on and then off the working voltage of the cholesteric color liquid crystal display, which is supplied by the power supply unit, with a preset period of time so as to continuously display the time data which is the same as that of when switching off the working voltage.
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