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How Plasma Works

Home » Home Theater » LCD vs. Plasma TV's » How Plasma Works

Plasma has a flat but lightweight surface that is covered with millions of tiny glass bubbles. Each bubble has a gas-like substance, which is known as plasma, but with a phosphor coating. Each bubble can be considered a pixel. Inside each bubble are three smaller bubbles (pixels) – one for green, red, and blue.

A digitally controlled electric current flows through this flat screen forcing the plasma that is inside certain bubbles, to give off ultraviolet rays. This light causes the phosphor coatings to glow.



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