Headlamp having LED light sources
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United States of America Patent
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Jan 26, 2010
Grant Date -
Mar 20, 2008
app pub date -
Sep 17, 2007
filing date -
Sep 15, 2006
priority date (Note) -
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Abstract
Provided is a lamp unit using light-emitting-diode (LED) light sources, more particularly, a lamp unit using LED light sources which can generate a low beam and a high beam using LED light sources. The lamp unit includes a first LED light source unit which includes a first row of LED light sources; a second LED light source unit which includes a second row of LED light sources that is disposed below the first row of LED light sources; and a reflection plate which comprises a reflection surface that projects a low beam or a high beam upon turning on or off the first or second LED light source unit.
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