Lens assembly for remote phosphor LED device

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United States of America Patent

PATENT NO 9625123
SERIAL NO

14348384

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Abstract

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Lens assemblies for use in remote phosphor lighting systems, and methods of making and using them, are described. The lens assemblies typically include a lens member, a dichroic reflector attached to an outer surface of the lens member, and a phosphor layer attached to an inner surface of the lens member. The dichroic reflector reflects LED light originating from a given source point in a reference plane proximate the inner surface to a given image point in the reference plane. The phosphor layer may be patterned to cover one or more first portions of the inner surface and to expose one or more second portions, and/or the phosphor layer may be removably bonded to the inner surface. The lens assemblies can be readily combined with one or more short wavelength (e.g. blue) LEDs and other components to provide a remote phosphor lighting system.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gabriel, Nicholas T St. Paul, US 52 207
Hung, Huang Chin Taipei, TW 7 82
Ouderkirk, Andrew J St. Paul, US 416 16350
Sura, Ravi K St. Paul, US 16 360

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