Proceedings Ofthe 7Th International Symposium on Automotive Lighting

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Proceedings ofthe 7th International Symposium on Automotive Lighting

Technische Universität Darmstadt Laboratory of Lighting Technology

Published by

Prof. Dr.-Ing. habil. Tran Quoc Khanh

in the Series Darmstädter Lichttechnik Volume 12

Off

Herbert Utz Verlag Wissenschaft

München Index

Conference Programme

Presentation Session A A1 Accident Research

A1.1 Investigation on the influence of car lighting on nighttime 1 accidents in Germany D. Hendrik Schabe, Dr. Frank Schierge

A1.2 Static and Dynamic Headlighting: Implications of Nighttime 6 Pedestrian Crash Geometry John M Sullivan, Michael J Flannagan, The University of Michigan, USA

A1.3 Portfolio of Solution of Pedestrian Friendly HDLP During 15 the Crash Pavel Kunzl, Vladimir Dobrus

A2 Regulations & Standards

A2.1 Performance-Based Aspects of Motor Vehicle Lighting 24 Regulations Michael J. Flannagan and Michael Sivak

A2.2 Approval Requirements for a Front-Lighting System with 31 Variable Cut-Off Line in Europe Jan Holger Sprute, Tran Quoc Khanh, Technische Universität Darmstadt

A2.3 An Overview of Recent and Future Changes to the ECE 38 Automotive Lighting Regulations Wilfried van Laarhoven - KEMA Quality B.V. - The Netherlands

A2.4 Development of criteria for the rating of vehicle lighting 47 with respect to an NCAP for active safety Karsten Klinger, Dieter Kooß, Karl Manz, Uli Lemmer

A3 LED

A3.1 LED technology in headlamps - extend lighting functions 55 and new styling possibilities Michael Kleinkes, Karsten Eichhorn, Norbert Schiermeister, Hella KGaA Hueck & Co., Lippstadt, Germany

A3.2 LED Bifunction Module as Compact Xenon Replacement 64 Thomas Luce, Valeo Lighting Systems, France

A3.3 LED Headlamps - Challenges and Opportunities for Future 73 Applications Rainer Neumann, Visteon Deutschland GmbH, Germany

A3.4 AFS-Frontlighting on the Basis of LED Light Sources 80 Ernst-Olaf Rosenhahn, Automotive Lighting Reutlingen GmbH

A3.5 Development of LED Headlamp 88 Shinya Watanabe, Toyota Motor Corporation; Shigeyuki Watanabe, Koito Manufacturing, Japan

A3.6 Effects of LED Roadmaps on Headlamp Main Functions 97 Ralf Ackermann, Automotive Lighting Reutlingen, Germany

A3.7 Cut-off generation for LED - headlamps 105 Stephanie Specht, Schefenacker Vision Systems Germany GmbH, Germany

A3.8 Fluid and Thermal Analysis for LED Lamp 114 Kazushige Kikuchi, Yoshihiko Hamashima, and Kenji Matsuoka, Ichikoh Industries, Japan

A3.9 LED is now, what's next? 123 Stephan Berlitz, AUDI AG, Germany

A3.10 First Field Tests of Cars with Completely Built-in LED 131 Headlamps under Realistic Driving Conditions Christoph Schiller, Tran Quoc Khanh, Technische Universität Darmstadt

A3.11 XLED 139 Pierre Albou, Valeo Lighting Systems

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A3.12 Scalable Optical Concepts for Headlatnp Main Functions 148 with LED Arrays Ulrike Schlöder, Automotive Lighting Reutlingen GmbH

A3.13 LEDs for Headlamps 156 Moritz Engl, Julius Muschaweck, Osram Opto Semiconductors GmbH

A3.14 LED - electronic light in an electronic car 163 Christian Heider, Audi AG, Ingolstadt

A3.15 A field experiment on the perception of automotive rear 170 lights using pulsed LEDs with different frequencies Stefan Brückner, Tran Quoc Khanh, Technische Universität Darmstadt, Germany

A3.16 Modular LED Sources Enabling Adoption of LED 177 Headlighting J. Schug, Philips Automotive Lighting, Germany

A4 Measurement

A4.1 LED Performance - Measure or Estimate? 178 Carsten Diem, LMT Lichtmesstechnik GmbH Berlin, Berlin Germany

A4.2 Additivity of mesopic photometry 187 Zoltän VAS, Peter BODROGI

A4.3 Do light sources with a high part of shorter wavelength 195 promote safety? Stephan Völker

A5 Light Sources

A5.1 Mercury free Xenon HID lamps - from Feasibility to 203 Reliability Dietmar Ehrlichmann, Dirk Grundmann, Christian Wittig

A5.2 Xenon HID as future basis for enhanced visibility 211 Norbert Lesch, Holger Weinert and Helmut Tiesler-Wittig PHILIPS Lighting, Business Group Automotive

A5.3 The Impact of Adopting Automotive Lighting Technologies 219 on Emerging Markets Luciano Lukacs

A5.4 Contribution of energy-efficient lighting to fuel economy 224 Piermario Repetto, Denis Bollea, Stefano Bernard, Centro Ricerche Fiat; Sabino Sinesi, Gabriele Cattelan, Gianluca Rotaris, Centro Ricerche Plast-optica

A6 DRL

A6.1 LEDs for Daytime Running Lamps 226 Markus Hofmann, Jürgen Röhrer

A6.2 Trends for Daytime Running Lamps 233 Doris Boebel, Automotive Lighting Reutlingen GmbH

A6.3 Estimation of the Effects of a Legislation on Daytime 240 Running Lights for Cars on Road Accidents in Germany Susanne Schoenebeck, U. Ellmers, Dr. J. Gail, R. Krautscheid, R. Tews

A6.4 Development of a new methodology for measuring the 249 Behavioural Conspicuity of motor vehicles John W. Zellner, Nicholas M. Rogers, Jacques Compagne, Jan Paul Peters

A7 Road Lighting

A7.1 Application of Dynamic Road Markin 258 Bob Hamel, Dutch Ministry of Transport

A7.2 Advanced LED Light Sources for Road Illumination 265 Applications Jason Posselt, Jeffrey Raggio, Philips Lumileds Lighting Company, USA

A7.3 Evaluation on a New Type of MHD's Application 273 in Road Lighting Based on Human Factors and its Comparison with HPS Qi Yao, Yandan Lin, Jiaqi Ju, Hong Shao, Dahua Chen

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A8 Optics

A8.1 Chromatic Dispersion Compensation via Diffractive Optical 281 Elements (DOEs) for Standard and LED based PES head lamps Matthias Brinkmann, Edgar Pawlowski, Udo Rohlfing, Steffen Stauss

A8.2 Recent Developments in Automotive Light Shield Designs 288 Michael Strazzanti

A8.3 Exciting colour effects and surface design by vacuum 296 deposition T. Fritz, Dr. M. Scherer, Kai Kruse, Dr. T. Schmauder, Gerd Ickes, Dr. S. Küper

A9 Driver Assistance

A9.1 Predictive Navigation-based Virtual Sensor for Enhanced 304 Lighting B. Bradai, A. Herbin, J. Ph. Lauffenburger, M. Basset

A9.2 Investigation of Adaptive Front-Iighting Systems in Human- 313 Machine Interface as Driver Assistance Shun'ichi Doi, Takahiro Wada, Masahiko Morishita, Yasutoshi Horii, Yuji Chigusa

A9.3 NightVision: comfort feature orgimmick? 320 Anil Taner, AUDI AG

A10 NIR

A10.1 Infrared Radiators in Headlamps: Status Report and 328 Perspectives Michael Hamm, Automotive Lighting Reutlingen GmbH

A10.2 Plug&play semiconductor light sources for visible and IR 336 illumination applications Th. Reiners, A. Biebl, P. Frey, R. Vollmer

A10.3 Detector System for headlamps with NIR illumination beam 345 D. Kooß, Karlsruhe University, Germany

A11 AFS

A11.1 Dynamic Cut-Off-Line geometry as the next Step in forward 346 lighting beyond AFS Franz-Josef Kalze; Christian Schmidt, Hella KGaA Hueck & Co., Lippstadt, Germany

A11.2 DBL: A Feature that Adds Safety to Night Time Traffic 355 Martin Grimm, Sebastien Casenave

A11.3 Real-World Use of High-Beam Headlamps 364 Mary Lynn Mefford, Michael J. Flannagan, Scott E. Bogard, Michael Sivak, The University of Michigan, U.S.A.

A11.4 Possible Modern Concepts to Determine Lighting Areas or 369 Distances between Lighting Functions Karl Manz, Karsten Klinger, Dieter Kooß, Institute of Lighting Technology, University of Karlsruhe

A12 Interior

A12.1 Learning from architectural lighting for automotive interior 371 lighting Thomas Schielke

A12.2 Stage Lighting for Automotive Interiors 376 Herbert Wambsganfi, Hella Innenleuchten-Systeme GmbH

Presentation Session B

B1 Simulation

B1.1 Advanced Performance created by Computer Aided 379 Lighting Systems Detlef Decker, Thomas Weber, Hella KGaA, Germany

B1.2 Validation and verification of advanced front-lighting 387 Systems with an interactive headlight Simulator F. Panerai, V Rouelle, H Moellebi, A. Kemeny, K. Fadel

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B1.3 Thermal Analysis of Head Lamps and Rear Lamps 388 Josef Dollhofer, Stephane Mercier, Christian Karwat

B1.4 Daylight Simulation for the evaluation of rear lamps 396 A. Kaltenbach, BMW Group, Germany

B2 Physiology

B2.1 A mesopic experiment series at automotive Visual 402 conditions Nils Haferkemper, Anja Frohnapfel, Galina Paramei, Tran Quoc Khanh

B2.2 Study on Glare of LED Lamp and Individual Variations of 410 Brightness Perception Takako Kimura-Minoda, Shinichi Kojima, Yudai Fujita, Miyoshi Ayama

B2.3 Analysis of eye movement characteristics at different 418 laminated retro-reflective traffic signs Michael Gatscha, Günther Schreder, Sandra Reichenauer

B2.4 Luminance as a criterion for the evaluation of discomfort 427 and disability glare of headlamps Sabine Raphael, Carsten Seyring, Alexander Wernicke, Stephan Völker

B2.5 Effect of Low-beam Pattern on Peripheral Visibility under 434 Nighttime Driving Condition in China Wencheng Chen, Yandan Lin, Dahua Chen, Shinichi Kojima

B2.6 Visual aging: Older observers are disadvantaged at night 443 driving Galina V. Paramei, Tran Quoc Khanh, Technische Universität Darmstadt, Germany

Poster Presentations

P1 AFS / Driver Assistance

P1.1 Improving Detection Distances by an Adaptive Cut-Off Line 451 System Michael Böhm, Franziska Kley, Simone Kalthoff, L-LAB, Germany

P1.2 High Dynamic Headlamp System based on a Segmented 458 Shutter Sebastian Mojrzisch, Steffen Strauß, L-LAB, Germany

P1.3 Next Generation Xenon Lighting with New Features Like 465 Motorway Light and Mercury Free Compliance Olivier Barthomeuf, Valeo Lighting Systems

P1.4 Light has to go where it is needed: 473 Future Light Based Driver Assistance Systems Thomas Könning, Christian Amsel, Ingo Hoffmann

P1.5 How to make an AFS System predictive? - ADASIS interface 482 Implementation Christoph Schmidt, Exterior Lighting, VISTEON Deutschland GmbH

P1.6 Smart Sensor of Illumination and Light Transmission 485 Vlastimil Sedlacek, Vladimir Petrovsky, Visteon-Autopal, Czech Republic

P2 HMI

P2.1 Performance Analysis of the Virtual Image from automotive 491 HeadUp-Displays (HUD) Matthias Brinkmann, Ralf Mayer

P2.2 Illumination of display backlights in instrument Cluster 499 Eckhard Finger, Siemens VDO Automotive AG

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P3 LED / OLED

P3.1 LEDs and OLEDs for Automotive Interior Applications 503 Klaus Nachtigall, Hella Innenleuchten-Systeme GmbH

P3.2 A "Symbiotic Optics" Low-Beam LED headlamp design 510 Emil Stefanov, Schefenacker Vision Systems Germany GmbH

P3.3 Exterior and Interior Light Sources based on Chip on Board 519 Technology C. Hochfilzer, Tridonic Atco Optoelectronics GmbH, Germany

P3.4 Electrical Architecture of LED headlamps 520 Markus Klein, Visteon

P3.5 Developing an efficient thermal management in LED- 524 Headlamps by virtue testing and Simulation Frank Barthel, Schefenacker Vision Systems Germany GmbH

P3.6 Investigation of an active liquid cooling System for an LED 532 headlamp Dagmar Würtenberger, Frank Barthel, Jörg Kuhn, Frank Tebbe, Robert Apfelbeck, Nicolas Cordero, Yan Lai

P3.7 Automotive LED Driver Module - Requirements and 541 Concept Design Qiang Cao, Technical Fellow, Visteon Deutschland GmbH

P3.8 OLEDs for Automotive Lighting 550 Malte Hagemann, Matthias Brinkmann, Klaus Bonrad, Frank Voges, Torsten Ruths, Maik Bluhm, Dirk Michaelis, Christoph Wächter, Sergey Kudaev, Stefan Sinzinger

P3.9 OLED Technology in Automotive Applications 558 Albrecht Kraus, Nils Benter (Philips Lighting), Herbert Börner (Philips Research)

P4 Light Sources

P4.1 HID-Front Lighting Performance with D3 / D4 bulbs 567 Heike Fröhlich, Benjamin Stauss, Mark Vehse

P4.2 Ultra-bright single-emitter near infrared diode lasers 573 Toby Strite, Victor Rossin, Matthew Peters, Franck Leibreich, Erik Zucker

P5 Marketing

P5.1 Evaluation of light of LED headlamps by end customers 577 Anja Isenbort, Stefanie Kleinschmidt, Johanna Stahl, Jürgen Locher

P5.2 Reducing System cost in LED-based Stop/Tail RCL 582 applications with resistor drive LED Systems Ryan Wellman, Philips Lumileds Lighting Company

P5.3 Consumer Expectations for Advanced Lighting 583 Technologies Izumi Sakai, Valeo Lighting Systems

P6 Measurement

P6.1 Spectroradiometric Measurements Of Pulsed High Power 592 Leds Thomas Nägele, Instrument Systems GmbH

P6.2 Testing headlamps' beam patterns using computerized 598 device with Photometrie image Tomasz Targosinski

P6.3 System for Night Video Acquisition and Synchronisation 606 C. Elvira, F. Dorca, SEAT Technical Centre; J.-M. Älvarez, Universität Autönoma de Bellaterra

P6.4 Properties and Applications of Stable LED Light Sources in 614 Automotive Measurements Robert Burdick, Udo Krüger, Franz Schmidt, Jänos Schanda

P6.5 The temperature-dependent changes of the photometricai 622 and colorimetrical parameters of today high power LEDs Andreas Groh, Stefan Brückner, Tran Quoc Khanh

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P6.6 Methods and techniques for the absolute and accurate 630 determination of the luminous efficiency of today high power LEDs Carsten Singer, Stefan Brückner and Tran Quoc Khanh, Technische Universität Darmstadt, Germany

P7 Optical Design

P7.1 Glare and Stray-Iight Challenges: Destroying Light in the Headlamp 637 Burghard von Blanckenhagen, Automotive Lighting Reutlingen GmbH

P7.2 Light Guide Technology in Head Lamps and Rear Lamps - Challenge for Material and Simulation Tools 644 Matthias Gebauer, Michael Hamm; Automotive Lighting Reutlingen GmbH

P7.3 Improved Methods in Building Prototypes of Head and Rear Lights for Automotive 653 Klaus Schräder, Josef Hofmann Modell- und Leuchtentechnik, Ingolstadt, Germany

P7.4 How Ellipsoid Headlamps can profit from Thin Optical Coatings 661 Henning Hogrefe, Automotive Lighting Reutlingen, Germany

P7.5 Uniform Multipurpose System of Automatic Control of Lighting and Signalling for Motorcycles 669 Leonid Novakovskiy, Yulia Korolyova, Vyacheslav Konyukhov (Faros-Alef, Russia), Jean-Pierre Mirac (Sclaer, Germany)

P7.6 Optical Design of LED-Lamps for Automotive Applications 677 Andre Domhardt, Udo Rohlfing, Karsten Klinger, Karl Manz, Dieter Kooß, Uli Lemmer

P7.7 The phantom light effects in modern car rear light combinations 685 Norbert Hahn, Karsten Klinger, Karl Manz, Uli Lemmer, University of Karlsruhe, Germany

P7.8 Computer Designed Signal Light giving Visible Messages 693 Christian Buchberger, Steffen Wiersdorff, and Marc Schirmer, Automotive Lighting Reutlingen GmbH

P8 Physiology

P8.1 Disability glare of Halogen, Xenon and LED headlamp Systems 700 Jürgen Locher, Anja Isenbort, Sabrina Schmidt, Franziska Kley

P8.2 Measurement and caiculation of detection distances of headlamp light distributions 707 Dirk Kliebisch, Stephan Völker

P8.3 Recovery Time From Glare And Contributing Factors Determined Using A Screening Instrument In Vehicle Drivers 715 C Sänchez Ramos, F Daza, MI Moral Martinez, MS Casas- Builla Olalla, MJ Perez-Carrasco

P8.4 The analytical and experimental study of the effects of pulsewidth-modulated light sources on Visual perception 724 Alexander Wemicke, Steffen Strauß

P8.5 Improved Pedestrian Visibility Potential With Modified Headlamp Left-side Light Distribution 733 Walter J. Kosmatka, Consultant LMT- Berlin

P9 Applied Photometry

P9.1 Photometrie Experience and Methods for AFS Homologation ECE R123 742 Ralf Steinhart, Markus Kratzer, Automotive Lighting Reutlingen GmbH

P9.2 Correlation of laser based mobile retroreflectometer pavement marking measurements to portable instruments complying with ASTM Standard Test Method E1710-05 748 Richard L. Austin, Gamma Scientific

P9.3 Comparison of measured and Standard r-tables, and impact on road lighting 749 Cyril Chain, Eric Dumont, Gilles Legoueix, Fabrice Lopez, Jean-Luc Paumier, Paul Verny

Written Contributions

C1 AFS / Driver Assistance

C1.1 Benchmarking of Headlamp Levelling Systems based on a 757 Mobile Camera Measurement Unit with Objective Assessment Algorithms Markus Poliert, Dietmar Baum, Dieter Stryschik, Hella KGaA Hueck & Co.

C1.2 Analysis of foreground lighting of a motor vehicle by 765 means of fog, low beam and main light projectors in difficult atmospheric conditions Piotr Tomczuk, Warsaw University of Technology, Transport Department

C1.3 SmartBeam - a High-Beam Assist 774 Carsten Schaudel, Gentex GmbH; Dave Falb, Gentex Corporation

C1.4 Combined Application of Analogue and Digital Modules in 783 Automotive Instrumentation Alf Burau, Siemens VDO Automotive AG

C2 Headlamp

C2.1 Systematic of the active headlamp design 790 Rainer Kauschke, Hella KGaA, Germany

C2.2 Improvements in Headlights with Optical Fibre Image 794 Converter Leonid Novakovskiy, Yulia Korolyova, (Faros-Alef, Russia), Jean-Pierre Miras (Sclaer, Germany)

C3 LED

C3.1 From "Manufacturing" to "füll service providing" in the 802 challenging automotive supply chain of LED applications Guido Perrelet MSc ETH, CTO

C4 Measurement

C4.1 Spatially Resolved Measurement of Inferior and Ambient 810 Light in the Automotive Environment Udo Krüger, Franz Schmidt, TechnoTeam Bildverarbeitung GmbH, Germany

C4.2 REFLET Scatterometer for 3D scattered light measure- 818 ments to improve design and simulations in the automotive industry Audrey Le Lay, Light Tee

C4.3 Analysis Method and own Estimate Criterion of Lighting 820 Parameters in Car Lighting Systems Janusz Waldemar Mazur, Marcin Chrzanowicz

C4.4 Fast headlamp measurement using luminance 829 measurement technique Chr. Schwanengel, TechnoTeam BV GmbH, Germany

C5 Optics

C5.1 Design of an optical concept for using a DMD in an active 837 headlamp Alexander Günther

C5.2 Collimator Optics and Light Pipes made of Makroion 842 Gesa Dem, Martin Döbler, Rainer Protte, Doug Stratton, and Olaf Zöllner, Bayer MaterialScience, Leverkusen, Germany; Rüben Mohedano, Oliver Dross, Pablo Benitez, Light Prescription Innovators (LPI), Madrid, Spain

C6 Physiology

C6.1 Measurement of driver workload - Continuous blood 843 pressure registration as an evaluation method Cord Bauch, Regina Sprenger, Lena Geiger, Vivien Günther, Dieter Barschdorff, L-LAB, University of Paderborn, Germany

C6.2 A Field Approach for Assessing Discomfort Glare from 850 Automobile Headlamps Michael Böhm, Jürgen Locher, L-LAB, Germany

C6.3 Experimental Study on Filtered Light Effects on the Retina 857 and its Application for Car Windows C Sänchez Ramos, JA Vega, FJ Ochoa-Erena, MI Moral Martinez, A Älvarez Valbuena, A Langa Moraga

C6.4 On-road testing of retro-reflective advertisement on the 865 rear surface of heavy and long vehicles and their trailers - Progress Report Helmut Frank

C6.5 Influence of advertisements on the driver's behavior in the 868 road traffic scene Carmen Kettwich, Karsten Klinger, Uli Lemmer

C7 Rear Lights

C7.1 Prevention of Rear/Front End Vehicle Collisions 873 A comparison of optical with sensor-based and cooperative deceleration signalling principles in manual and automatic cruise control Systems Johann Georg FRIEDRICH

C7.2 Function follows Styling: 881 LED Rear Lamps for Strong Curvatures Götz Merkle, Veit Schwegler, Schefenacker Vision Systems Germany GmbH

C7.3 Concept of light-signal Provision for safety of braking, 890 deceleration and inadvertent stops of a vehicle Frolov Valery Nikolaevich, Military Institute of Engineer Troops

C8 Signalling

C8.1 Side-marker integrated into tail lamps: Design Solutions 891 and limitations Rainer Bottesch, Veit Schwegler, Schefenacker Vision Systems Germany GmbH

C8.2 Using "unused light" for enlarged Signal images 898 Norbert Moeller, Automotive Lighting Reutlingen GmbH

C9 Simulation 905 C9.1 Next-Generation Simulation Software for optimising LED- based Headlamps and Rearlamps Jaques-Andre Audrey, Günther Hasna, Optis

C9.2 Simulation of light distribution and lit appearance - 906 analysis via density estimation Sebastian Haering, Volkswagen AG, Germany

C9.3 Simulation and Measurement of Photometry in Headlamps 915 and Tail Lamps: an analysis of selected aspects Henning Kiel, Volkswagen AG

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