LIQUID CRYSTAL DISPLAY ELEMENT, ITS DRIVE METHOD, AND ELECTRONIC PAPER USING THE SAME

摘要

It is possible to provide a liquid crystal display element for displaying an image in a short time upon a screen rewrite, its drive method, and an electronic paper using it. The liquid crystal display element (1) includes B, G, and R choresteric liquid crystal display units (6B, 6G, 6R); a gradation conversion control circuit (61) capable of deciding a number of drive times according to a temperature detected by a temperature sensor (65); and a drive unit (24) for driving the liquid crystal layer by the decided number of drive times. As the temperature is lowered, the number of drive times (the number of gradations) is stepwise reduced. This reduces the time required for screen rewrite at a low temperature.