12 September 2006 LED luminaire with controlled light distribution
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Unless coupled with some collimating optics, LED sources generally scatter with wide-angle Lambertian intensity profiles. The luminous output of such sources is not amenable to control and redistribution in an efficient manner. In this work we present the design and manufacturing of structures that are able to collect virtually all light from Lambertian LED sources and direct it towards diffusers engineered to illuminate specific regions of space in a controlled fashion. The resulting "engineered luminaire" is thus capable of highly efficient light control and can be applied to a wide variety of illumination situations such as general and architectural lighting.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Donald J. Schertler, Donald J. Schertler, Tasso R. M. Sales, Tasso R. M. Sales, Stephen Chakmakjian, Stephen Chakmakjian, G. Michael Morris, G. Michael Morris, } "LED luminaire with controlled light distribution", Proc. SPIE 6337, Sixth International Conference on Solid State Lighting, 63371E (12 September 2006); doi: 10.1117/12.683970; https://doi.org/10.1117/12.683970


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