What are LCD monitors and how do they work?
The liquid crystal display (LCD) technology now used in flat panel monitors has long been used in digital watches, calculators, and many other devices. An LCD device (also called a cell) is made out of two layers of very fine glass material called substrates that form a “sandwich” around a thin layer of rod-shaped molecules (liquid crystals) that flow like liquid. When a charge of electric current passes through the layer of liquid crystals, they align or twist, preventing or allowing the light to pass through.
