9 International Symposiumon Automotive Lighting

Steering Board

J.-P. Charret, Valeo, France

Dr.-Ing. T. DorifJen, Hella KGaA Hueck & Co., Germany

G. R. Draper, GTB, United Kingdom

Prof. Dr. M. J. Flannagan, University of Michigan, USA

H. Fratty, Fratty Consulting, France

M. Gorzkowski, Transport Canada

Dr.-Ing. M. Hamm, Automotive Lighting GmbH, Germany

Dr.-Ing. W. Huhn, Audi AG, Germany

Prof. Dr.-Ing. habil. T. Q. Khanh, TU Darmstadt, Germany

R. Krautscheid, Federal Highway Research Institute (BASt), Germany

Dr. R. Neumann, Visteon Innovation & Technology GmbH, Germany

Dr.-Ing. T. B»inpr^n«ram fimhW Qprmany

M. Sasaki, Koito M nufacturingT§.9Mfi^aM^ ^INFORMATIONSBIBLiOTHEK

UNIVERSITATSBIBLIOTHEK

HANNOVER

Contents

Foreword 1

Contents Ill

General Topics

M. J. Flannagan, University of Michigan

Visual Performance ofHeadlighting Systems and Maintenance ofAim

in Use 1

S. Sollner, Technische Universitat Darmstadt, Germany

Field Study: Driver Data on Visual Topics 13

G. Koether, Volkswagen AG, Germany

Innovative Lighting Technologies for a large-scale car manufacturer?Chances and challenges 24

Physiology - Brightness Appearance

M. Hamm, Automotive Lighting Reutlingen GmbH, Germany

Reality Check: How different is the perception ofLED-light vs. Halo¬

gen-light on the road? 39

T. Hagiwara, Hokkaido University, Japan

Assessment ofDriver's BehaviorforAvoidance of Conflict with Pe-

destrains Approachingfrom the Right in Terms ofPredicted Time Lag 51

N. Haferkemper, Technische Universitat Darmstadt, Germany

Brightness perception in the mesopic range - models and new labora¬

tory experiments 53

ISAL 2011 - Proceedings III

C. Grunert, Volkswagen AG, Germany

Psycophysical measurement of headlight glare effects on human con¬

trastperceptionfor optimizing a driving simulator 61

N. Miiller, Technische Universitat Darmstadt, Germany

Modeling of the complexity of road environment in the higher level

road network 63

C. Kettwich, Karlsruhe University of Technology, Germany

Active night vision enhancement systems and high-beam usage 73

LED AFS

M. Kleinkes, Hella KGaA Hueck & Co., Germany

Integration of dynamic beam patternfunctionalities in a Vario-LED

headlamp system 80

B. Reiss, Valeo Lighting Systems, France

Adaptive Driving Beam with LED - Beam pattern expectations 91

M. Mai, Daimler AG, Germany

Lighting systems atMercedes-Benz. A symbiosis of innovation and

safety 105

M. Scholl, Automotive Lighting Reutlingen GmbH, Germany

Electronic Headlamps improving Safety and Comfort by LED AFS

functionality 112

C. Schmidt, Hella KGaA Hueck & Co., Germany

Fully Adaptive Headlamp, the next step in intelligent lightingfunction¬

ality 122

C. Robert, Valeo Lighting Systems, France

Ambient Light Detection by Camera 133

IV ISAL 2011 - Proceedings

Signaling/DRL

J. D. Bullough, Rensselaer Polytechnic Institute, USA

Safety Benefits from. Daytime Headlamp Use During Inclement Weath¬

er 245

S. Bruckner, Technische Universitat Darmstadt, Germany

Double-binned LEDs reduce inhomogeneity in rearlamps? 254

F. Aust, Ford Motor Company, Germany

Adaptive daytime nmning lights - a potential solution avoiding con¬

sumer glare perception ..264

M. Bbhm, Technische Universitat Berlin, Germany

Effects ofDaytime Running Lights on Vulnerable Road Users 2 77

S. Sinesi, Centra Ricerche Plast-Optica, Italy

Thermo-Structural analysis ofRear lights 289

Optics

P. Brick, Osram GmbH, Germany

Optical concepts for a combined low-beam and high-beam out of a

single LED 206

A. Perrotin, Valeo Lighting Systems, France

New Efficient Optics (NEO) 222

Y. Okubo, Ichikoh Industries Ltd., Japan

LED Reflector Module for Headlamp - Perspectives 222

M. Gebauer, Automotive Lighting Reutlingen GmbH, Germany

Optical Challenge in Total Internal Reflection - Styling and LightingPossibilities with transparent Materials using Light Guide Technology 228

ISAL 2011 - Proceedings V

B. Stauss, Automotive Lighting Reutlingen GmbH, Germany

High-Precision Plastic Lenses - Styling, Optical Design, ManufacturingProcess 236

Front Lighting I

T. Warwel, Ford Motor Company, Germany

Challenges of Glare Free High Beam technology 247

Y. Shibata, Koito Manufacturing Co., Japan

The road shoulder beam which improves nighttime visibility in the rain.... 248

A. Moser, Zizala Lichtsysteme GmbH, Austria

Matrix Light - Combining Styling, Functionality and Scalability 261

J. Suckling, Sharp Laboratories of Europe Ltd., United Kingdom

'Laser headlight'for Next Generation Automotive Lighting 271

LED Technology

J. Schug, Philips Technologie GmbH, Germany

LED sources for second generation LED headlamps 284

F. Singer, Osram GmbH, Germany

High Power Multichip LEDs for FrontlightingApplications - The Evolu¬

tion Continues 286

C. Buchberger, Automotive Lighting Reutlingen GmbH, Germany

Future High- and Low- End LED Performance Criteria 296

M. Zitzlsperger, Osram GmbH, Germany

Next Generation SMT LEDfor Automotive Signalling and Forward

Lighting Functions 306

VI ISAL 2011 - Proceedings

Marking Light Effect/pedestrian Protection

P. Stroop, L-Lab, Germany

Safety Benefit of Marking light-an empirical study 315

D. Schneider, BMW Group, Germany

Markinglight: Safety enhancement by Markinglight Systems and their

technical implementation 320

M. Bang, Hyundai Mobis, Korea

The Development of the Spot Light System to Reduce Pedestrian Acci¬

dents at Night 327

P. Kunzl, Visteon-Autopal, s.r.o., Czech Republic

Challenge in fulfilling the upcoming demands ofpedestrian protection 339

Physiology - Glare

P. Bodrogi, Technische Universitat Darmstadt, Germany

Discomfort glare under automotive conditions - spectral behavior and

mechanisms 346

M. Niedling, Technische Universitat Berlin, Germany

Influence ofadaptive interior lighting in vehicles on the discomfort and

disability glare 353

B. Zydek, Technische Universitat Darmstadt, Germany

A new concept of disability glare under traffic lighting conditions: ex¬

perimental set-up, results and analysis of spectral sensitivity 362

J.-H. Sprute, Bertrandt Ingenieurbiiro GmbH, Germany

Dynamic Glare Assessment - Defining Undue Glare in Night-time Driv¬

ing 372

ISAL 2011 - Proceedings VII

Light Source

M. Shido, Koito Manufacturing Co., Japan

Development of Ballast-Integrated Ceramic HID Lampsfor Automotive

Headlamps 382

G. Liittgens, Philips Technologie GmbH, Germany

Compactness and simplicity in 25WHID - D5S 389

L. Menzel, Osram GmbH, Germany

25WHID - best choice for energy efficient and cost-effective head¬

lights with superiorperformance 399

M. Kiesel, Automotive Lighting Reutlingen GmbH, Germany

Performance Benchmark Investigation of the new D5S (25 W) BiXen-

on System 408

Motorcycle

R. Krautscheid, BASt, Germany

Better road illumination for motorcycles 419

J. Altmann, Zizala Lichtsysteme GmbH, Austria

Adaptive Xenon Headlampfor motorcycles 431

N. Miiller, BASt, Germany

Conspicuity ofpowered-two wheelers 442

OLED

T. Vieregge, Hella KGaA Hueck & Co., Germany

OLEDs - Potential and challenges for automotive lighting 453

B. D. Vidalet, Astron FIAMM, France

OLED for Transport Applications 459

VIII ISAL 2011 - Proceedings

Marking Light Technology

E.-O. Rosenhahn, Automotive Lighting Reutlingen GmbH, Germany

Active Markerlight as a Future Safety Feature 460

H. Eggers, Daimler AG, Germany

A Night Vision System with Spotlight / Marking Light. 471

H. Honsel, L-Lab, Germany

Realisation of marking light by a fusion ofFIR and NIR camera in¬

formation 484

M. H. Hoerter, Karlsruhe Institute of Technology, Germany

Advanced Object Trackingfor a Marking Light Approach 502

Front Lighting II

J. Laur, Automotive Lighting Reutlingen GmbH, Germany

Thousand partsfor a headlamp? Modular design in complex high per¬

formance LED headlamps 516

T. Lee, Hyundai Mobis, Korea

The Development of the Automotive Headlamp using the DMD 524

M. Thorn, Daimler AG, Germany

Headlight Range Calibration During Driving Operation 535

M. Joshi, International Centre for Automotive Technology, India

Optimization of on-road light distribution of main-beam headlamp

through change infilamentposition of the light source: Study to re¬

solve the paradox between visibility and glare 550

ISAL 2011 - Proceedings IX

Light Distribution

S. Weber, BMW Group, Germany

Development of energy efficient car lighting systems and adaptive

ECO-light control strategies 555

P. Cerny, Skoda Auto a.s., Czech Republic

Dynamic Benchmarking - new evaluation scheme for road illumina¬

tion 572

T. Targosinski, Motor Transport Institute, Poland

Headlamp Levelling - ECE Regulations and Real Operational Condi¬

tions 587

B. von Mlanckenhagen, Automotive Lighting Reutlingen GmbH, Germany

Headlight Performance Analysis: Experience according to the CIE

TC4-45 method 602

S. Gelfi, Renault s.a.s., France

Numerical Simulation and Virtual Reality to Help Specify Future

GFHB System 622

LED Headlamps

S. Berlitz, Audi AG, Germany

Next LED Head Lights 623

R. Neumann, Visteon Innovation & Technology GmbH, Germany

Future LED Headlamps - Opportunities to improve Light Performance.... 634

J. Kratochvil, Visteon-Autopal s.r.o., Czech Republic

Affordable LED headlamp solutions 641

W. Pohlmann, Hella KGaA Hueck & Co., Germany

Robustness of LED Components and LED Systems 649

K ISAL 2011 - Proceedings

Poster Presentations

0. Klepan, Automotive Lighting Reutlingen GmbH, Germany

UNECE Regulation at 13.2V - Blessing or Curse? 658

T. Gocke, BMW Group, Germany

Objective colour rating system of automotive signalfunctions with

more than one light source 671

R. Glowienko, Audi AG, Germany

Cooling ofLEDs with Synthetic Jets 681

S. Ahiad, Valeo Lighting Systems, France

Multifunctional camerafor rain detection and wiping automation 692

M. Miigge, Hella KGaA Hueck & Co., Germany

Glowing Bodies - Actual developments and future functionalities for

homogeneous signal lighting 693

D. Hulik, Osram GmbH, USA

Light Guide Trends and Solutions 695

R. Gallen, Universite Paris-Est, France

A conventional approach to nighttime visibility in adverse weather

conditions 696

D. Boebel, Automotive Lighting Reutlingen GmbH, Germany

Modern Streamline Car Shapes - Challenges for the Optical Design of

Signal Functions in Headlamps 70S

A. Leroux, Valeo Lighting Systems, France

Compact Halogen Modules - Market trends and solutions 716

J. Foltin, Robert Bosch GmbH, Germany

Analysis and Randomized Construction of Vehicle Environmentfor

Objective Evaluation of Headlight Assistant Systems 717

ISAL 2011 - Proceedings XI

M. Cejnek, Visteon-Autopal, s.r.o., Czech Republic

Headlamps Low Beam Performance Rating System 732

M. Klein, Visteon Innovation & Technologie GmbH, Germany

Future LED Headlamps: Standardized Electronic Concepts 743

U. Schloder, Automotive Lighting Reutlingen GmbH, Germany

The ONE-LED-DRL: Efficiency versus Design? 750

A. Ladenburger, Automotive Lighting Reutlingen GmbH, Germany

Homogeneity ofsignal lamps - from simulation to reality 759

A. Kaltenbach, BMW Group, Germany

Headlamp versions - can we think of an of-the-shelf offer structure? 764

A. Freiding, Hyundai Motor Europe Technical Center GmbH, Germany

Investigations of the human eye's mesopic spectral sensitivity 768

P. Albou, Valeo Lighting Systems, France

LED frontfog lamps 779

C. Sanchez-Ramos, University Complutense of Madrid, Spain

Contrast sensitivity and mesopic logMAR scale visual acuity on miosis

induced by diffuse lighting 795

K. Kikuchi, Ichikoh Industries Ltd., Japan

Thermal simulation of LED unitfor Headlamp and Rear lamp 797

B. Fleury, Valeo Lighting Systems, France

LED Market trends 808

V. Q. Trinh, Technische Universitat Darmstadt, Germany

Accurate measurement of the pn-Junction Temperature of HP-LEDs -

Methods and results 809

XII ISAL 2011 - Proceedings

R. Lenhardt, Brandenburg GmbH, Germany

Use Cases of Real Time AFS Simulation 828

B. Kettlein, Delvis GmbH, Germany

Full LED Headlamp for predictive lighting functions 836

A. Chotard, Valeo Lighting Systems, France

LED Rearlamp with 3D Effect 844

M. Nagel, Automotive Lighting Reutlingen GmbH, Germany

Efficiency ofLED Signal Lamps 845

Y. Suzawa, Utsunomiya University, Japan

Visibility for non-uniform background and its application to tunnel en¬

trance lighting. 853

E. Mornet, Valeo Lighting Systems, France

LED Cooling solutions 863

J. Ravier, Valeo Lighting Systems, France

LED Challenges for style and standardization 864

C. Seung, SL Corporation, Korea

A Study on Predictable Program ofLED Junction Temperature in Nat¬

ural Convection 865

Written Contributions

M. Isack, Georg-Simon-Ohm Hochschule Nurnberg, Germany

Thermal Simulation ofLighting Systems with Open Source Software 878

A. Bielawny, Brandenburg GmbH, Germany

Principles of backlightingfunctions in automotive lighting 890

ISAL 2011 - Proceedings Xlll

T. Schmidt, GXC Coatings GmbH, Germany

Nanotechnology self-cleaning coatingprocesses for improving trans¬

mission under adverse environmental conditions 905

C. Platho, Human-Factors-Consult GmbH, Germany

Do low beam headlights as DRL influence gaze behavior and draw offattention from vulnerable road users? 906

A. Esterl, Calitronic Systems Ltd., Germany

Different ways of measuring a LED turn signal lamp 92 9

F. Scherer, Delvis GmbH, Germany

R18 High Performance LED Headlampfor Motorsports 920

M. Marutzky, IAV GmbH, Germany

The TrabantnT and innovative vehicle lightingperformance tests 921

J. Orisich, ValeoSylvania VIS, USA

Leading Edge Technology for Front DRL orTI 934

J. Slavonec, Hella KGaA Hueck & Co., Germany

Thermomanagement in LED lamps 935

D. Janecek, Visteon-Autopal, s.r.o., Czech Republic

Powerful 3D Management ofDimensions and Tolerances 948

G. Hasna, Optis, France

Head Lamp Performance Simulator. 955

P. Sharma, NXP Semiconductors, Netherlands

Challengesfor Electronic Solutions inAutomotive LED Lighting 961

D. Decker, Bertrandt Ingenieurbiiro GmbH, Germany

Challenges for Automobile Lighting Engineering 972

OV ISAL 2011 - Proceedings

C. Sanchez-Ramos, University Complutense of Madrid, Spain

Oscillations of mesopic pupil size and refraction depending on inside

and outside-vehicle fixation point 973

M. Kropac, Visteon-Autopal, s.r.o., Czech Republic

Influence of market demands on styling of the exterior signal lighting 975

G. Hasna, Optis, France

Digital Vision and Surveillance 986

K. Anderson, Brandenburg GmbH, Germany

Development and Use of the TC4-45 Assessmentfor Headlamp Beam

Pattern Benchmarking 994

C. Befelein, CB-Lichtdesign, Germany

Creation of Interior Lighting between Emotions, Design and Function 1001

H. Yoa-Min, Automotive Research Testing Center, Taiwan

Micro Structures Design of OLED Tail Lamp 1011

L. Lukacs, Ford South America Operations, Brasil

Challenges to develop a global beampatternfor ECE markets around

the world 2021

B. Reiss, Valeo Lighting Systems, France

LED Bifunction Modules 1031

M. Thorn, Daimler AG, Germany

Pedestrian Highlighting using Programmable LED Headlights 1032

J. Bullough, Rensselaer Polytechnic Institute, USA

Influence ofIntelligent Vehicle Headlamps on Pedestrian Visibility in

Roundabouts 1047

ISAL 2011 - Proceedings XV

M. Englert, University of Applied Sciences Darmstadt, Germany

Classification and optimization ofvolume diffusorsfor LED lighting

applications 1061

XVI ISAL 2011 - Proceedings