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Glareless light-emitting diode lighting tube

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Abstract

We develop a novel light bar waveguide design to produce a glareless light-emitting diode (LED) lighting tube. We design optimal parameters, such as the gap y between the tube and the reflective surface, the relative distance x between the lens and the LED, and so on. Using these parameters, we fabricate an illumination system consisting of LED light bulb installed at both ends of lighting tube. The lighting tube is shaped the same as a traditional fluorescent lighting tube in order to replace traditional lighting tubes without the modification of the lighting stand. The LED lighting tube is glareless to the observer from the side view.

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Authors and Affiliations

  1. Department of Optics and Photonics, National Central University, No. 300 Jhongda Rd., Jhongli, 32001, Taiwan, R.O.C.

    Rong-Seng Chang

  2. Department of Electrical Engineering, National Central University, No. 300 Jhongda Rd., Jhongli, 32001, Taiwan, R.O.C.

    Tung-Yen Li, Ko-Wen Jwo & Jang-Zern Tsai

  3. Department of Optometry, Jen-Teh Junior College of Medicine, Nursing, and Management, 35664, Hou-Long, Miaoli, Taiwan, R.O.C.

    Sha-Wei Wang

Authors
  1. Rong-Seng Chang
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  2. Tung-Yen Li
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  3. Ko-Wen Jwo
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  4. Sha-Wei Wang
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  5. Jang-Zern Tsai
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Corresponding author

Correspondence to Rong-Seng Chang.

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Chang, RS., Li, TY., Jwo, KW. et al. Glareless light-emitting diode lighting tube. OPT REV 19, 89–97 (2012). https://doi.org/10.1007/s10043-012-0019-5

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  • DOI: https://doi.org/10.1007/s10043-012-0019-5

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