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Automotive Front Lighting Author: Dr. Rainer Neumann GTB Document No. CE-4563 Date: 2011-03-01 Item 0.4 Automotive Front Lighting Roadmap GTB Front Lighting WG Chairman: Dr. Rainer Neumann Secretary: Jean-Marc Prigent G T B The International Automotive Lighting and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Automotive Front-Lighting Agenda Future Trends Future Needs Short Term Actions Summary & Outlook G T B The International Automotive Lighting GTB Document No. CE‐4563 2 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” FrontFront LightingLighting TechnologyTechnology MarketMarket DemandsDemands Value LED Light Driver • Increased Safety and Convenience Source • Improved Lighting Performance Adaptive Driving Beam Assistance Modules • Added Functionality Systems • Brand Differentiation Standard Automatic Levelling Improved Performance/ Safety Camera Adaptive LED Reduced Headlamp Lighting Package Cleaning LED Forward Path Prediction Improved Reduced Lighting Styling, Weight Full Adaptive Performance, •Bi-Functional Lighting Car to Car HID with LED Functionality Communication indicator lps Added •Bi-HID AFS Functionality, •Halogen AFS Full Lighting •Dual Projector Systems 04 05 06 07 08 2012+ Year of Availability G T B The International Automotive Lighting GTB Document No. CE‐4563 3 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Bi-Xenon Full AFS Projector 70mm G T B The International Automotive Lighting GTB Document No. CE‐4563 4 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” • HID 25W SYSTEMS G T B The International Automotive Lighting GTB Document No. CE‐4563 5 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Bird‘s eye view – comparison of different beams •H7 projector 20m L 20m R 20m L • Bi-HID 25W projector 20m R 20m L • Bi-HID 35W projector 20m R -40 G T B The International Automotive Lighting GTB Document No. CE‐4563 6 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Technology Roadmap - Headlamp Global G T B The International Automotive Lighting GTB Document No. CE‐4563 7 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” FrontFront LightingLighting TechnologyTechnology MarketMarket DemandsDemands Value LED Light Driver • Increased Safety and Convenience Source • Improved Lighting Performance Adaptive Driving Beam Assistance Modules • Added Functionality Systems • Brand Differentiation Standard Automatic Levelling Improved Performance/ Safety Camera Adaptive LED Reduced Headlamp Lighting Package Cleaning LED Forward Path Prediction Improved Reduced Lighting Styling, Weight Full Adaptive Performance, •Bi-Functional Lighting Car to Car HID with LED Functionality Communication indicator lps Added •Bi-HID AFS Functionality, •Halogen AFS Full Lighting •Dual Projector Systems 04 05 06 07 08 2012+ Year of Availability G T B The International Automotive Lighting GTB Document No. CE‐4563 8 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” LED Headlamp - Premium Class Vehicle G T B The International Automotive Lighting GTB Document No. CE‐4563 9 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Future Trends • Green Car Initiative (Electrical / Hybrid vehicles) requires: • Power Consumption Reduction •FuelConsumptionReduction • CO2 Reduction • Weight Reduction •Long Life Time LED Attractive Styling G T B The International Automotive Lighting GTB Document No. CE‐4563 10 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Color – Effect http://www.ass-cuna.org/Video1.wmv G T B The International Automotive Lighting GTB Document No. CE‐4563 11 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” FrontFront LightingLighting TechnologyTechnology MarketMarket DemandsDemands Value LED Light Driver • Increased Safety and Convenience Source • Improved Lighting Performance Adaptive Driving Beam Assistance Modules • Added Functionality Systems • Brand Differentiation Standard Automatic Levelling Improved Performance/ Safety Camera Adaptive LED Reduced Headlamp Lighting Package Cleaning LED Forward Path Prediction Improved Reduced Lighting Styling, Weight Full Adaptive Performance, •Bi-Functional Lighting Car to Car HID with LED Functionality Communication indicator lps Added •Bi-HID AFS Functionality, •Halogen AFS Full Lighting •Dual Projector Systems 04 05 06 07 08 2012+ Year of Availability G T B The International Automotive Lighting GTB Document No. CE‐4563 12 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” LED Light Source Module (DRL/Driving Beam) G T B The International Automotive Lighting GTB Document No. CE‐4563 13 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” FrontFront LightingLighting TechnologyTechnology MarketMarket DemandsDemands Value LED Light Driver • Increased Safety and Convenience Source • Improved Lighting Performance Adaptive Driving Beam Assistance Modules • Added Functionality Systems • Brand Differentiation Standard Automatic Levelling Improved Performance/ Safety Camera Adaptive LED Reduced Headlamp Lighting Package Cleaning LED Forward Path Prediction Improved Reduced Lighting Styling, Weight Full Adaptive Performance, •Bi-Functional Lighting Car to Car HID with LED Functionality Communication indicator lps Added •Bi-HID AFS Functionality, •Halogen AFS Full Lighting •Dual Projector Systems 04 05 06 07 08 2012+ Year of Availability G T B The International Automotive Lighting GTB Document No. CE‐4563 14 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Adaptive Driving Beam G T B The International Automotive Lighting GTB Document No. CE‐4563 15 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Driver Assistance Systems http://www.ass-cuna.org/Video2.wmv G T B The International Automotive Lighting GTB Document No. CE‐4563 16 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Path Prediction Using GPS/Map Data Curvature Curvature Point #1 Point #10 Di stan ce T Cu o T rva he ture Po int Curvature Point #20 Curvature Point Traffic Direction Look-A head D istance Node t a Shape Points re tu t va in ur o C P Curvature Point [every minmum(LAD, f re o u s at next branching distance)/20] iu rv ad u R C he (X,Y) GPS Coordinates t Every Curvature Point is associated with a curvature value, a distance value Look-ahead distance is a function of speed (max=180 meters) G T B The International Automotive Lighting GTB Document No. CE‐4563 17 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Predictive AFS G T B The International Automotive Lighting GTB Document No. CE‐4563 18 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” G T B The International Automotive Lighting GTB Document No. CE‐4563 19 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” FrontFront LightingLighting TechnologyTechnology MarketMarket DemandsDemands Value LED Light Driver • Increased Safety and Convenience Source • Improved Lighting Performance Adaptive Driving Beam Assistance Modules • Added Functionality Systems • Brand Differentiation Standard Automatic Levelling Improved Performance/ Safety Camera Adaptive LED Reduced Headlamp Lighting Package Cleaning LED Forward Path Prediction Improved Reduced Lighting Styling, Weight Full Adaptive Performance, •Bi-Functional Lighting Car to Car HID with LED Functionality Communication indicator lps Added •Bi-HID AFS Functionality, •Halogen AFS Full Lighting •Dual Projector Systems 04 05 06 07 08 2012+ Year of Availability G T B The International Automotive Lighting GTB Document No. CE‐4563 20 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Car to Car Communication G T B The International Automotive Lighting GTB Document No. CE‐4563 21 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Traffic Conditions G T B The International Automotive Lighting GTB Document No. CE‐4563 22 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Future Needs • There are two main categories, which we do have to cover from legislation point of view 1) Harmonization of legislation with all kind of light sources (Halogen, Xenon, LED) and all kind of light applications standard dipped/main beam, AFS, LED-array generated or micro-mirror variation of light distributions 2) Driver assistant lighting systems with external parameter variation of light pattern (e.g. Adaptive Driving Beam, Predictive AFS, Car to Car Communication) G T B The International Automotive Lighting GTB Document No. CE‐4563 23 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Short Term Actions • Automatic Levelling • Headlamp Cleaning • 2000 lm criterion G T B The International Automotive Lighting GTB Document No. CE‐4563 24 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” Automotive Headlamps - Comparison Current Status Halogen Xenon LED <2000lm >2000lm <2000lm >2000lm <2000lm >2000lm Automatic - X - x x x Levelling Headlamp -X-x-x Cleaning G T B The International Automotive Lighting GTB Document No. CE‐4563 25 and Light Signalling Expert Group Groupe de Travail “Bruxelles 1952” 2000 lm Criterion 1. 2000 lm hurdle for automatic levelling and cleaning device was historically introduced to avoid glare caused by high power Halogen bulbs (HIR bulbs) 2. There is and was no scientific argument for a 2000 lm definition and limit for whatever automotive Front-Lighting request 3. This has caused some confusion and coresponding special solutions
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