US Patent No. 10,274,161

LED SPOT WITH CUSTOMIZABLE BEAM SHAPE, BEAM COLOR AND COLOR UNIFORMITY


Patent No. 10,274,161
Issue Date April 30, 2019
Title Led Spot With Customizable Beam Shape, Beam Color And Color Uniformity
Inventorship Michel Cornelis Josephus Marie Vissenberg, Roermond (NL)
Elise Claude Valentine Talgorn, Eindhoven (NL)
Manuela Lunz, Waalre (NL)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,274,161

1. A lighting unit comprising a lighting device, wherein the lighting device comprises a light source configured to provide light source light and beam shaping optics configured to shape the light source light into a lighting device beam, wherein the lighting device comprises a window comprising an upstream face directed to the light source and a downstream face, wherein the lighting unit further comprises a beam modifier configured adjacent to the window and configured to intercept at least part of said lighting device beam, wherein the lighting device and the beam modifier are configured to modify said lighting device beam to provide a lighting unit beam downstream from said beam modifier, wherein the beam modifier comprises a printed beam modifying element, and wherein the beam modifying element is configured to intercept up to 80% of a cross-section of said lighting device beam,wherein the beam modifier comprises a 3D printed beam modifying element and is configured to modify the lighting device beam by one or more of polarization filtering and spectral converting the lighting device beam, and
wherein the beam shaping optics comprises one or more of a lens, a TIR lens, a Fresnel lens, and a reflector.