Rapid design of LED optical elements with two free-form surfaces generating uniformly illuminated rectangular area

Mikhail A. Moiseev; Leonid L. Doskolovich; Sergey V. Kravchenko

doi:10.1117/12.2030503

15 October 2013 Rapid design of LED optical elements with two free-form surfaces generating uniformly illuminated rectangular area

Mikhail A. Moiseev; Leonid L. Doskolovich; Sergey V. Kravchenko

Author Affiliations +

Proceedings Volume 8884, Optifab 2013; 88841G (2013) https://doi.org/10.1117/12.2030503
Event: SPIE Optifab, 2013, Rochester, New York, United States

Abstract

Design of LED optical elements producing uniform illumination in rectangular regions is one of the most actual and challenging problems in development of lighting devices. As a rule, LED optical element has at least two surfaces (inner and outer) that leads to computational complexity of design process and requires application of different optimization techniques. We present a new rapid computational method for automatical design of optical elements with two free-form surfaces which generate uniform irradiance distribution in the rectangular region. Such optical elements have high lighting efficiency (about 92 %) and can be produced by injection molding.

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Mikhail A. Moiseev, Mikhail A. Moiseev, Leonid L. Doskolovich, Leonid L. Doskolovich, Sergey V. Kravchenko, Sergey V. Kravchenko, } "Rapid design of LED optical elements with two free-form surfaces generating uniformly illuminated rectangular area", Proc. SPIE 8884, Optifab 2013, 88841G (15 October 2013); doi: 10.1117/12.2030503; https://doi.org/10.1117/12.2030503

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