Multi-focal collimating lens and headlight assembly for an automotive low beam

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United States of America Patent

PATENT NO 11067725
APP PUB NO 20200103564A1
SERIAL NO

16494764

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The embodiments of the invention provide a multi-focal collimating lens and a headlight assembly for an automotive low beam. The multi-focal collimating lens includes a central collimating lens portion and two total internal reflection lens portions arranged on a left side and a right side of the central collimating lens portion. The central collimating lens portion and the total internal reflection lens portions share two focal points symmetrically located on both sides of a vertical symmetry plane of the multi-focal collimating lens. An upper edge and a lower edge of the multi-focal collimating lens are formed based on the two focal points, so that the headlight assembly is able to generate a cut-off line of the automotive low beam in a far-field light pattern of the multi-focal collimating lens.

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Patent Owner(s)

Patent OwnerAddress
LUMILEDS LLC370 WEST TRIMBLE ROAD SAN JOSE CA 95131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, YiYu Shanghai, CN 5 33
Hsu, Hui-Kai Shanghai, CN 13 75
Lu, Kang Shanghai, CN 25 55
Wu, Ping Shanghai, CN 213 1832

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