Electroluminescent device for keypads with electro-static discharge prevention layer
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United States of America Patent
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Issued Date -
Aug 11, 2005
app pub date -
Feb 9, 2005
filing date -
Feb 10, 2004
priority date (Note) -
Abandoned
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Abstract
An electroluminescent device for keypads capable of preventing electro-static discharge is provided, which includes a transparent insulating substrate; a top electrode layer entirely formed on one surface of the transparent insulating layer; an emission layer formed on a portion of the top electrode layer; an insulating layer formed on the emission layer; a bottom electrode layer formed on the insulating layer; a passivation layer formed on the top electrode layer to surround the emission layer, the insulating layer and the bottom electrode layer; and an electro-static discharge prevention layer formed on the other surface of the transparent substrate.
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