Free-form Micro-lens for LED General Illumination

Liwei Sun; Liwei Sun; Shangzhong Jin; Shangzhong Jin; Songyuan Cen; Songyuan Cen

doi:10.1364/ACP.2009.WH3

Asia Communications and Photonics Conference and Exhibition
Technical Digest (CD) (Optica Publishing Group, 2009),
paper WH3
•https://doi.org/10.1364/ACP.2009.WH3

Free-form Micro-lens for LED General Illumination

Liwei Sun, Shangzhong Jin, and Songyuan Cen

Asia Communications and Photonics Conference and Exhibition 2009

Shanghai China
2–6 November 2009
ISBN: 978-1-55752-877-3

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Solid-State Lighting (WH)

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L. Sun, S. Jin, and S. Cen, "Free-form Micro-lens for LED General Illumination," in Asia Communications and Photonics Conference and Exhibition, Technical Digest (CD) (Optica Publishing Group, 2009), paper WH3.

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Abstract

To redistribute any patterns of LED radiation distributions onto a target surfaces to achieve a prescribed distribution, the free-form micro-lens is designed by using the "edge-ray principle". Some modules were done, and the simulation results show that the design of free-form micro-lens is applicable in LED illumination with competitive advantages.

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