Liquid Crystal Display (LCD) technology has rapidly become a significant component of modern electronics. It offers solution to the rising need of low power-consuming, space-saving and better display devices thereby, paving the way for significant economic opportunities. However, the environmental impact of the end of life of the LCD products should be judiciously assessed, so that they do not ...

Recently, methine dyes have attracted interest for their possible application in display devices [1, 2 ] . A liquid crystal display based on the ability of "guest"' pleochroic dyes to align parallel to the "host" liquid crystal was first described by Heilmeier and Zanoni [3 ] . Since then the basic properties of "guest-host" type liquid crystal display devices and the effects of various paramet...