What's behind Plasma TV

Behind the screens are millions of cells, each one for every pixel on the screen. Inside these cells are two gases, neon and xeon, and some chemical called phosphor that glows when hit by light. This chemical was founded in 1669, accidently, by a German scientist Hennig Brand who was doing some experiments on his urine.

When electrical currents run through each cells, they charge both gases into a plasma state, or ionized state. This plasma emits UV light to hit the phosphors that glows afterward. In each single cell there are 3 subcells that contain 3 different phosphors –red, green, and blue phosphors. By controlling the current that goes into each one of the subcells, the amount of red, green, and blue glows combine into millions of color combinations.