Journal
APPLIED OPTICS
Volume 54, Issue 7, Pages 1794-1801Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.54.001794
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Funding
- Key Technologies R&D Program of Guangdong Province [2009A080301013, 2010A080402009]
- Strategic Emerging Industry Special Funds of Guangdong Province [2012A080304015]
- Key Technologies R&D Program of Guangzhou City [2010U1-D00221, 2011Y5-00006]
- Technologies R & D Program of Zhongshan City [2013B3FC0004]
- University-Industry Collaboration Program of Huadu District in Guanzghou [HD13CXY-012, HD13CXY-013]
- National Natural Science Foundation of China [61404050]
- Fundamental Research Funds for the Central Universities of China [SCUT-2013ZM0092, SCUT-2014ZM0036]
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We propose a newly projected LED low-beam headlamp based on microlenses. The low-beam headlamp consists of four LEDs, four reflectors, and four microlenses. It does not need a baffle to form the cut-off line. Simulation results show that our proposed low-beam design can satisfy United Nations Economic Commission for Europe vehicle regulations (ECE) R112. The structure of our system is simple and easy to fabricate. Optical efficiency of the system can reach up to 80%, which is much higher than the traditional low-beam lamp design. (C) 2015 Optical Society of America
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