As for this invention, way the liquid crystal substance and two stability or metastability organization are caused, the alignment expedient which the aforementioned liquid crystal orientation is done and, the front of expedient and the device which add the electric information which makes the change which is during the organizing the aforementioned two possible and group in order to can be brought together, the regular reflection or the diffused reflection element (60) in order on the rear of the polarizer (10) and the aforementioned liquid crystal which are arranged inside or outside the device it is arranged inside or outside the aforementioned device, light 2 times makes in the aforementioned device pass and facing toward the observer or to make return facing to the additional optical element and the aforementioned polarizerThe optical lag the reflected characteristic bistable display which includes with the compensator (20) which shows dc which with is arranged with the aforementioned reflected element, is close to0/4 Dnc.
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