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Proceedings Paper

Color mixing collimating lamp based on RGB LEDs
Author(s): Yi-Chien Lo; Ivan Moreno; Bo-Chun Chiu; Wei-Ting Chien; Jhih-You Cai; Yu-Yu Chang; Ching-Cherng Sun
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Paper Abstract

A novel light luminaire is proposed and experimentally analyzed, which efficiently mixes and projects the tunable light from red, green and blue (RGB) light-emitting diodes (LEDs). Simultaneous light collimation and color mixing is a challenging task because most collimators separate colors, and most color mixers spread the light beam. We performed an experimental study to find a balance between optical efficiency and color uniformity by changing light recycling and color mixing.

Paper Details

Date Published: 11 October 2012
PDF: 8 pages
Proc. SPIE 8486, Current Developments in Lens Design and Optical Engineering XIII, 84860T (11 October 2012); doi: 10.1117/12.929217
Show Author Affiliations
Yi-Chien Lo, National Central Univ. (Taiwan)
Ivan Moreno, National Central Univ. (Taiwan)
Univ. Autónoma de Zacatecas (Mexico)
Bo-Chun Chiu, National Central Univ. (Taiwan)
Wei-Ting Chien, National Central Univ. (Taiwan)
Jhih-You Cai, National Central Univ. (Taiwan)
Yu-Yu Chang, National Central Univ. (Taiwan)
Ching-Cherng Sun, National Central Univ. (Taiwan)


Published in SPIE Proceedings Vol. 8486:
Current Developments in Lens Design and Optical Engineering XIII
R. Barry Johnson; Virendra N. Mahajan; Simon Thibault, Editor(s)

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