Picture of an liquid-crystal display?

LCD's basically change their color state when voltage is passed through them. By applying or not applying a small voltage to the small pixel, it can show dark or light. With proper lighting, the...

Image is clear

They do not require much power and some of them have the date and day on their screen and they are flexible too.

''''' LCD''''' '''Disadvantages:''' '''the screeen may break .''' '''Some are expensive''.'''''

(Extracted from Wikipedia-en) As you can notice there is a history of progressive developments since 1888. * 1888: Friedrich Reinitzer (1858-1927) discovers the liquid crystalline nature of...