LED device for wide beam generation

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United States of America Patent

PATENT NO 8905597
SERIAL NO

13858713

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Abstract

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An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs.

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Patent Owner(s)

Patent OwnerAddress
SIGNIFY HOLDING B VHIGH TECH CAMPUS 7 EINDHOVEN 5656 AE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holder, Ronald G Laguna Niguel, US 46 1841
Rhoads, Greg Irvine, US 46 2090

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