LIGHTING APPARATUS USING FILTER AND CONDENSER FOR LED ILLUMINATION
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United States of America Patent
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Issued Date -
Aug 21, 2008
app pub date -
Jan 14, 2008
filing date -
Feb 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a lighting apparatus using a filter and a condenser for LED illumination in which an optical filter to obtain diverse optical patterns as a user desires is connected to a condenser for LED illumination without using any additional device. The lighting apparatus in which the optical filter can be exchanged comprises: a LED for generating a light source for illumination, a condenser for concentrating the light source generated from the LED, and an optical filter connected to the condenser, for providing an optical pattern, wherein the optical filter is connected to the condenser so as to be attachable to or detachable from the condenser.
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