Lamp unit producing various beam patterns
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United States of America Patent
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Sep 5, 2017
Grant Date -
Jun 30, 2016
app pub date -
Mar 8, 2016
filing date -
Jul 13, 2012
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Abstract
A lamp unit may be provided that includes: a first substrate; a second substrate disposed on the first substrate; and a plurality of light sources disposed on the second substrate, wherein at least two light source arrays are provided, in each of which a plurality of the light sources are disposed in a row, wherein at least a first light source array and a second light source array among the light source arrays are individually driven, wherein the second substrate comprises an upper surface including a first surface on which the first light source array is disposed and a second surface on which the second light source array, and wherein the first surface is higher than the second surface.
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