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Author (up) Herie Park, Hyensou Pak, Chan-Su Lee
Title Prospect of Automotive Lighting Systems of Self-Driving Vehicles Type Journal Article
Year 2017 Publication Journal of the Korean Institute of Illuminating and Electrical Installation Engineers Abbreviated Journal
Volume 31 Issue 8 Pages 1-8
Keywords Lighting
Abstract Light sources and lighting technology adapted to vehicles have been developed to assist drivers’ safety and to perceive other vehicles and pedestrians during the nighttime. As autonomous vehicles driven by data obtained from sensors are shown up, the role of the automotive lighting system should be reconsidered for the future traffic environment. This paper presents the future prospects of automotive lighting systems adapted to self-driving vehicles. It describes a current state of automotive lighting systems, and roles of the lighting systems suitable for self-driving vehicles. It also deals with the related topics of automotive lightings such as energy management, light pollution, security, and hybrid lighting systems for the road that combine with computer-and human-drivers during a transition period.
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Call Number LoNNe @ kyba @ Serial 1742
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Author (up) Ho, C.Y.; Lin, H.T.; Huang, K.Y.
Title A Study on Energy Saving and Light Pollution of LED Advertising Signs Type Journal Article
Year 2011 Publication Applied Mechanics and Materials Abbreviated Journal Amm
Volume 121-126 Issue Pages 2979-2984
Keywords Advertising Sign; LED; Light Trespass; Luminance Limit; Saving Energy; Vertical Illuminance; *Lighting
Abstract Lighting advertising signs not only play an important role in outdoor lighting environment in Taiwan, but also become the main factor of energy consumption in urban areas at night. Light-emitting diode (LED) has been gradually used in advertising signs due to its advantages. However, in order to be conspicuous and legible in the daytime, signs that are excessively bright may result in considerable light pollution and energy waste at nighttime. Therefore, this research aims to measure the luminance of LED signs and traditional internally lighted signs, and analyze the light trespass from each signage. Based on the research results, the energy consumption from a LED full color screen is 12 times more than a traditional internally lighted sign per day. Statistically, all kinds of LED signs are much higher than traditional internally lighted signs in the percentage of excessive brightness and average luminance value. As for the light trespass, since the vertical illuminance on facade facing the signs increases with the increase of the sign area or the decrease of the distance between the sign and the facade, the vertical illuminance on facade facing the signs would exceed the limit of CIE even if the luminance of the signs achieves the standard of CIE in terms of the general conditions in Taiwan. This happens to LED full color screens in particular and thus results in considerable obtrusive light. To sum up, in order to reduce unnecessary energy consumption and improve the nighttime lighting quality for outdoor environment, this research recommends the luminance limitation for light dimming of LED advertising signs should refer to the zoning, time period, and sign area.
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ISSN 1662-7482 ISBN Medium
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Call Number IDA @ john @ Serial 126
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Author (up) Hölker, Andreas; Doulos, Lambros; Schroer, Sibylle; Topalis, Frangiskos
Title Sustainable outdoor lighting for reducing energy and light waste Type Conference Article
Year 2016 Publication 9th International Conference Improving Energy Efficiency in Commercial Buildings and Smart Communities Abbreviated Journal
Volume Issue Pages 202-213
Keywords lighting design; lighting technology; light pollution
Abstract The lack of lighting planning for internal and external illumination of buildings contributes to wasting energy and to the issue of light pollution. This will be demonstrated with research from the ground and by analysis of images, taken with detectors on satellites, the International Space Station or planes. Besides large area floodlighting from airports or sports facilities, facade illumination is the most important contributor. The effects of malpractice versus sustainable lighting planning solutions will be demonstrated with some examples in cities like Bonn, Strasbourg, Athens and Thessaloniki. Further examples in the countryside will demonstrate lighting practice in the German star park Biosphere Reserve Rhön. Facade lighting planning, considering optimal alignment, the intensity and the colour quality of the illumination, will contribute to reducing light pollution and thus waste of energy and will increase human comfort at the same time.

Experience shows that unilateral promoting energy efficiency will finally result in more extended use of energy, which is known as rebound effect. In addition the small size and long lifetime of the modern solid state lighting will result in an increased use even in remote places thereby emitting more artificial light into the natural night. This does not only affect the energy use, but also the biological rhythms of animals and human beings.

More interdisciplinary criteria for a sustainable lighting with reduced light pollution will be discussed based on the observations including data provided by the EU-network “Loss of the Night”-Network (EU-COST Action ES1204 LoNNe).
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Publisher JRC Confernce and workshop reports Place of Publication Editor
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Call Number LoNNe @ schroer @ Serial 1573
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Author (up) Hölker, F.
Title Naturverträgliche Stadtbeleuchtung und Vermeidung von Lichtverschmutzung Type Conference Article
Year 2009 Publication Modernisierung der Stadtbeleuchtung. Tagungsdokumentation 05. November 2009. Berlin: NABU Abbreviated Journal
Volume Issue Pages 15-16
Keywords Lighting
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Publisher Place of Publication Editor Große Ruse E, Wachholz C
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Call Number LoNNe @ kagoburian @ Serial 858
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Author (up) Hölker, F.; Moss, T.; Griefahn, B.; Kloas, W.; Voigt, C.; et al.
Title The Dark Side of Light: A Transdisciplinary Research Agenda for Light Pollution Policy Type Journal Article
Year 2010 Publication Ecol Soc Abbreviated Journal
Volume 15 Issue 4 Pages
Keywords Ecology; artificial light; energy efficiency; lighting concept; light pollution; nightscape; policy; sustainability; transdisciplinary
Abstract Although the invention and widespread use of artificial light is clearly one of the most important human technological advances, the transformation of nightscapes is increasingly recognized as having adverse effects. Night lighting may have serious physiological consequences for humans, ecological and evolutionary implications for animal and plant populations, and may reshape entire ecosystems. However, knowledge on the adverse effects of light pollution is vague. In response to climate change and energy shortages, many countries, regions, and communities are developing new lighting programs and concepts with a strong focus on energy efficiency and greenhouse gas emissions. Given the dramatic increase in artificial light at night (0 – 20% per year, depending on geographic region), we see an urgent need for light pollution policies that go beyond energy efficiency to include human well-being, the structure and functioning of ecosystems, and inter-related socioeconomic consequences. Such a policy shift will require a sound transdisciplinary understanding of the significance of the night, and its loss, for humans and the natural systems upon which we depend. Knowledge is also urgently needed on suitable lighting technologies and concepts which are ecologically, socially, and economically sustainable. Unless managing darkness becomes an integral part of future conservation and lighting policies, modern society may run into a global self-experiment with unpredictable outcomes.
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Call Number LoNNe @ christopher.kyba @ Serial 478
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