Exit sign illuminated by color LEDs
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United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Jun 9, 2011
filing date -
May 30, 2007
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An exit sign comprising a housing, a plurality of green color LEDs and red color LEDs or bicolor green and red color LEDs positioned in the housing for emitting both a green color light and a red color light with a filter holder for holding a selected green color filter or a selected red color filter for passing the selected green color light or selected red color light to a stencil having openings for passing the selected green color light or selected red color light to an observer. Yellow color LEDs can be alternatively positioned in the housing for emitting yellow color light comprising both green color light and red color light. White color LEDs can also be alternatively positioned in the housing for emitting white color light also comprising both green color light and red color light.
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Family
International Classification(s)
Cited Art Landscape
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