ILLUMINATION APPARATUS USING A SOLID STATE SOURCE AND A THICK COMPOSITE MOLDED LENS
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United States of America Patent
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N/A
Issued Date -
Jul 5, 2012
app pub date -
Jun 29, 2011
filing date -
Feb 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A composite high sag thick lens for automotive lighting is used in conjunction with a solid state illumination source, such as a white LED. The composite high sag thick lens is made of a first lens section having an optical active curve surface and a series of elongated baffles, the baffles having a top portion, the top portions defining a line that follows the curvature of the active surface to create an upper lens portion of uniform thickness. A second lens section is fused to the first lens section to create the composite lens. The second lens has an optical active surface and a series of elongated baffles the baffles having a thickness comparable to the thickness of the corresponding optical active surface. The first and the second plurality of baffles are intertwined along the entire length of their lateral surfaces.
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