LENS FOR USE WITH A LIGHT-EMITTING ELEMENT AND LIGHT SOURCE DEVICE INCLUDING THE LENS
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United States of America Patent
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app pub date -
Nov 14, 2008
filing date -
Jan 4, 2007
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Abandoned
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Abstract
A lens for use with a light-emitting element includes a lens body that has a bottom surface for receiving light from the light-emitting element, a top surface opposite to the bottom surface along an optical axis, a peripheral surface extending and converging from the bottom surface to the top surface such that a projection of a perimeter of the top surface onto a plane of the bottom surface is surrounded by a perimeter of the bottom surface, and a textured structure formed on the top surface for scattering light that exits the top surface at angles relative to the optical axis.
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