Control of Reflectivity and Bistability in Displays Using Cholesteric Liquid-CrystalsJournal of Applied Physics
AbstractIt is demonstrated that the reflective properties and bistability of cholesteric liquid crystals can be controlled by proper surface treatment and dispersed polymers. Dispersing a polymer in the liquid crystal or using a cell with an inhomogeneous surface anchoring creates permanent defects which result in long-term bistability, high contrast at large viewing angles, and gray scale. The wide-angle, reflective feature makes cholesteric materials suitable for displays without backlights and bistability provides flicker-free operation.
Citation InformationDeng-Ke Yang, John L. West, Liang-Chy Chien and J. William Doane. "Control of Reflectivity and Bistability in Displays Using Cholesteric Liquid-Crystals" Journal of Applied Physics Vol. 76 Iss. 2 (1994) p. 1331 - 1333
Available at: http://works.bepress.com/deng-ke_yang/10/