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Understanding Liquid Crystal Display

(LCD) Technology

Introduction

LCD or flat panel computer displays are the latest and greatest offerings

in the desktop computer industry. They have been used for years in the

portable and notebook computing markets, but recent developments have

increase performance and size while reducing costs making them viable

in the desktop environment. LCD displays are lightweight, extremely thin

and use much less power than CRT based monitors.

What is Liquid Crystal and How It Works?

Liquid crystal was discovered by the Austrian botanist named Fredreich

Rheinizer in 1888. Liquid crystal is an unusual organic material and it is

neither solid nor liquid. That means although it is liquid in form and

appearance, Liquid Crystal exhibits a crystalline molecular structure that

resembles a solid. Liquid crystals are rod-shaped molecules whose

molecules can be aligned precisely when subjected to electrical fields. As

a liquid they are able to flow over and around small grooves and can

change their position depending on applied voltage. When properly

aligned, the liquid crystals allow light to pass through makes the desired

images appear.

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