Effects of crosslinking agent, cure temperature, and UV flux on the electro-optical properties of polymer-dispersed liquid crystal cells

摘要

We present results for the effects of a crosslinking agent, cure temperature, and UV flux on the electro-optical properties of polymer-dispersed liquid crystal (PDLC) cells. These cells were fabricated using a mixture of a liquid crystal (E8) and an acrylic monomer (CN135). The maximum in the first derivative of the transmission vs. applied, sinusoidal voltage (inflection voltage, V-inf), varies systematically with PDLC formulation and cure-process conditions. For PDLC cells fabricated with a crosslinking agent (SR295), V-inf increases with increasing the concentration of SR295. However, for cells fabricated without the use of a crosslinking agent, V-inf decreases with increasing the UV flux and decreasing temperature. (C) 2003 Wiley Periodicals, Inc. [References: 19]