Faceted folded-optic collimator

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United States of America Patent

PATENT NO 8931927
SERIAL NO

13492455

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Abstract

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A folded circularly symmetric illumination optic comprising a first light transfer mode having a first central refractive surface and a second central refractive surface, wherein one of the first and second central refractive surfaces has at least one peened feature; a second light transfer mode having a first refractive surface, a first TIR surface, a second TIR surface and a second refractive surface; a third light transfer mode having a first refractive surface, a first TIR surface and a second refractive surface, wherein the first TIR surface has at least one peening feature, and wherein the second refractive surface is conical; wherein the first TIR surface and second refractive surface of the second light transfer mode is coincident at least one point, wherein the second refractive surface of the third light transfer mode is coincident with the first TIR surface and second refractive surface of the second light transfer mode.

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Patent Owner(s)

Patent OwnerAddress
LIGHT ENGINE LIMITED6/F PHOTONICS CENTRE 2 SCIENCE PARK EAST AVENUE SHATIN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chaves, Julio C Coimbra, PT 20 704
Dross, Oliver Cologne, DE 41 882
Falicoff, Waqidi Stevenson Ranch, US 45 2656
Minano, Juan Carlos Madrid, ES 38 1105
Mohendano, Ruben Madrid, ES 1 4
Munoz, Fernando Madrid, ES 16 903

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