Method and apparatus for backlit signs with light emitting diode modules
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United States of America Patent
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Dec 4, 2007
Grant Date -
Feb 24, 2005
app pub date -
Jul 6, 2004
filing date -
Oct 8, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A backlit sign with an LED module, with a housing that includes a top wall having a first length, a bottom wall having a second length, and a pair of opposing sidewalls each having a third length, wherein at least a portion of one of the sidewalls is translucent. One or more LED modules are mounted to the top wall and include a plurality of LEDs for producing light. The first, second and third lengths are selected to maximize illumination of the sidewalls by the produced light, and to minimize a width and weight of the sign. A mirror can be used to increase the reflectivity of the bottom wall.
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