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P‐81: Temperature Compensation of the Dynamic Drive Scheme for Bistable Cholesteric Displays

The parameters of the 3‐phase dynamic drive scheme depend on the transitions among cholesteric textures, which themselves are strongly temperature dependent. Temperature compensation must be made in order for the drive scheme to work in a wide temperature region. We have developed a compensation method in which the frequency of the driver clock is the only parameter that is required to be adjusted with temperature. Using this simple method, we have achieved consistently high contrast ratio of the display in a wide temperature region.