Electroluminescent keypad
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United States of America Patent
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Aug 25, 1998
Grant Date -
N/A
app pub date -
Nov 25, 1996
filing date -
Nov 25, 1996
priority date (Note) -
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Abstract
An electroluminescent keypad, and an electroluminescent lamp, with integral shunts, for use in a keypad. The keypad includes a circuit board that includes a plurality of contact pairs adapted to complete circuits to perform keypad functions. An elastomeric sheet that includes a plurality of key elements overlays the circuit board. Each of the key elements is associated with one of the contact pairs. An electroluminescent lamp with a plurality of integral shunts corresponding to the contact pairs is positioned between the elastomeric sheet and the circuit board.
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