February 9, 2007, Newsletter Issue #51: How Plasma Screen Televisions Work
Tip of the Week
Plasma screen televisions operate by illuminating individual cells of color. The cells are actually small containers of neon xenon gas trapped between thin panes of glass, and are grouped in triads of red, blue, and green cells. Each triad of cells makes up one pixel, or dot of color, on the television screen. When electricity is applied to one of the cells, the gas inside turns to plasma, emitting a burst of ultraviolet light. This light then strikes a colored phosphor on the glass, producing a single colored dot. These dots coordinate together to form a single color image.
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