Birefringent and Light-scattering FLC Display Cells: Electro-optics and Applications
Devices based on helix free FLC with high spontaneous polarization (Ps > 50 nC/cm2) reveal unique properties. On the one hand a display cell can provide controlled hysteresis loop center shift and property of optical multistability, and due to this the steady operation of passively addressed FLCD with hysteresis-free gray scale is realized. On the other hand a strong light scattering with fast switching on/off is observed in a display cell at definite conditions, and this phenomenon is very desirable for polarizer-free fast optical shutters. The connection between both electrooptical modes is established in this paper. It is shown that mentioned properties are based on common physical background, namely; on spatial non-uniformities of the FLC director that is a consequence of the spontaneous polarization excess.
Ferroelectric Liquid Crystal Birefringent Multistability Gray Scale Light Scattering
Igor N. Kompanets Eugene P. Pozhidaev Alexander L. Andreev
P. N. Lebedev Physical Institute, Leninsky pr.53., Moscow 119991 Russia
国际会议
上海
英文
50-53
2007-03-12(万方平台首次上网日期,不代表论文的发表时间)