| Records |
| Author |
Ge, A.; Du, Z.; Wang, W.; Qiu, P.; Wang, J.; Cai, J.; Song, X. |
| Title |
A composite optical system for a LED based headlamp low beam module |
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Journal Article |
| Year |
2013 |
Publication |
Lighting Research and Technology |
Abbreviated Journal |
Lighting Research and Technology |
| Volume |
45 |
Issue |
6 |
Pages |
752-757 |
| Keywords |
Lighting |
| Abstract |
In this paper, we propose a composite optical system for automotive headlamps. The system is composed of a paraboloid collimating reflector, an off-axis paraboloid reflector, a baffle and an imaging len. By using a LED as the light source, precise light distribution can be achieved. When making ray-tracing simulation for the composite optical system in TracePro, a clear cut-off line can be seen on the measuring screen, as well as a hotspot at the centre. The power consumption for the LED light sources in this system is less than 10 W, resulting in an energy efficiency of more than 58% and a maximum illumination of 26.76 lux at the centre hotspot. |
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1477-1535 |
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LoNNe @ kagoburian @ |
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632 |
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Juntunen, E.; Tetri, E.; Tapaninen, O.; Yrjänä S.; Kondratyev, V; . Sitomaniemi, A.; Siirtola, H.; Sarjanoja, E.M.; Aikio, J.; Heikkinen, V |
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A smart LED luminaire for energy savings in pedestrian road lighting. |
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Journal Article |
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2013 |
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Lighting Research and Technology |
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47 |
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1 |
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103-115 |
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Lighting |
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639 |
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E. Olvera-Gonzalez; D. Alaniz-Lumbreras; V. Torres-Argüelles; E. González-RamÃrez; J. Villa-Hernández; M. Araiza-Esquivel; R. Ivanov-Tsonchev; C. Olvera-Olvera; V.M. Castaño |
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A LED-based smart illumination system for studying plant growth |
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2013 |
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Lighting Research and Technology |
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1-12 |
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Lighting |
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644 |
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Posch, T.; Hölker, F.; Freyhoff, A.; Uhlmann, T. |
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(Hrsg.): Das Ende der Nacht. Lichtsmog: Gefahren – Perspektiven – Lösungen. 2. Auflage, Wiley-VCH Verlag 2013 |
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2013 |
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231 |
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Ecology |
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679 |
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Held, M.; Hölker, F.; Jessel, B. |
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Schutz der Nacht – Lichtverschmutzung, Biodiversität und Nachtlandschaft. |
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Book Whole |
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2013 |
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BfN-Skripten |
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336 |
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Ecology |
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681 |
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