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Saturday 3 September 2016

Electroluminescence Wire Display


EL (Electroluminescent) wires are composed of a copper core coated with a phosphor layer, a twisted copper wire that wraps around the phosphor layer, an inner and outer PVC plastic sleeve and an AC power source. The phosphor layer is what makes the EL wire light up.

The EL wire circuit consists of a DC power source (2 AA batteries) and a DC to AC inverter. The inverter is what makes the glowing effect continuous.

Lighting technologies include incandescent light, luminescent light, electroluminescence and photoluminescence. Incandescent light is produced by thermally hot objects such as in light bulbs. Luminescent light is emitted without heat.  Electroluminescence is produced by electricity flowing through a substance, examples of electroluminescent light are LEDs, LCDs and EL wire. Photoluminescence light is emitted as a result of other light absorbed, example include glow in the dark paints.

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