Definition

Plasma is a flat panel technology that works by using a network of red, green, and blue phosphors between two layers of glass. Each red, green, and blue element makes up a single pixel that produces light when charged by an electric pulse. The red, green, and blue phosphors are sensitive to the electric pulse, and therefore millions of color combinations can be made by manipulating the pulse. No rear light projection is needed due to the light-producing phosphors elements. The lack of a rear light projection also makes the very thin depth of plasma TVs possible. The illustration below describes the inner components of a plasma HDTV.

Production Update

Upside

• Great picture quality
• Great colors
• Thin and wall mountable
• Top-notch in viewing angles
• High brightness levels – viewable in a bright sunny room
• Minimal screen door effect (only at close distances)

Downside

• Older models had burn in problems. Newer models have image retention issues which go away after a few days.
• Brightness reduces over time
• Power hungry
• Only available in large screen sizes.
• Older models were weak on the black levels which leads to lack of shadow depth

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