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EL Display Definition
DocumentID: 656259
Revision Date: 29-Feb-96 8:29:41 PM

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WordPerfect® 5.1 for DOS

Problem

Solutions: EL Display: A typical ElectroLuminescent (EL) display consists of a thin film of EL material (phosphor) sandwiched between thin films of insulating dielectric material. The front material is transparent, while the rear material is reflective. The zinc-sulfide-with-manganese phosphor emits a bright yellow light when subjected to approximately 200 volts AC. The voltage is applied via a grid of electrodes, each pixel of which can be individually switched on. Other phosphors can be used for different colors.

EL displays offer better contrast and broader viewing angles than gas-plasma and LCD displays. They use more power than LCD's but less than gas-plasma and considerably less than CRT's. They are the most rugged type of display and are more reliable than CRT's.

EL displays are offered primarily in monochrome configurations.

Answer:

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