Effect of Waveform Slew-rate on Bistable Cholesteric Displays

Cost-effective Driving Scheme for Bistable Cholesteric Displays

For VLSI implementation, low operation voltage and switching current are the major concerns. Yet, none of the driving schemes published so far has addressed this combined issue. We studied the electro-optic characteristics of bistable cholesteric displays at the low transition voltage in this paper, and the effect of slew-rate on the maximum output current and average output power in a forthcom...

Pulse Sequence Addressing for Gray-Scale Bistable Cholesteric Displays

In the study of the transition dynamics, we found that the reflectance of bistable cholesteric displays depended on the addressing sequence of the bipolar pulses. Two different pulse amplitudes corresponding to the high and low voltages about the quiescent point were chosen. By a proper permutation of such pulses, the final reflectance of even difference could be obtained for gray-scale display...

A New Driving Scheme for Reflective Bistable Cholesteric Liquid Crystal Displays

We investigate a new scheme for driving reflective bistable cholesteric displays. It relies on fast switching from the planar to the focal conic state. We show that 1 ms per line scanning speed is possible using conventional passive matrix drivers. In addition, there is no optical delay in the switching process.

Transient Dielectric Study of Bistable Reflective Cholesteric Displays and Design of Rapid Drive Scheme

Hybrid anchoring for a color-reflective dual- frequency cholesteric liquid crystal device switched by low voltages

Cholesteric liquid crystal (CLC) materials used in electro-optical (EO) devices are characterized by high operating voltage and slow response speed, which hinders their further development in display applications. Dual-frequency CLCs (DFCLCs) can solve the problem of slow bistable transition, but the operating voltage is still high, especially in color-reflective DFCLC cells. Here we report a s...