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Better Lighting…Safer Roads

Better Lighting…Safer Roads . Hasan Rehan. Segment Director Asean Pacific & Japan – Outdoor Lighting . Philips Asia Pacific. May 2012. Contents. Road Infrastructure development & Usage Benefits of road lighting What is good road lighting ? White Light LED Revolution

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Better Lighting…Safer Roads

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  1. Better Lighting…Safer Roads Hasan Rehan Segment Director Asean Pacific & Japan – Outdoor Lighting Philips Asia Pacific May 2012

  2. Contents • Road Infrastructure development & Usage • Benefits of road lighting • What is good road lighting ? • White Light • LED Revolution • Philips solution for energy efficient LED system • How much does it cost to do energy efficient lighting? • Road lighting video

  3. Population, Infrastructure & Vehicle Growth Population growth ~ 10% Vehicle registration increasing YOY by +35% 400k road accidents in 2010 Vs. 162K in 1995 Focused road Infrastructure development since 2005 *Source: Malaysian institute of Road Safety

  4. Benefits of road lighting Safety Upto 30% accident reduction at night time (CIE. Etc.) Security Reduction in crime rates of upto 40% ( Painter/ Boyce/ Atkins) Economic Development Upto 70% increase in night time pedestrian traffic (Stoke-on- Trend study) Increased night time commercial activity Increased property values/ taxes Increased infrastructure usage Social development Increased sense of belonging/ pride / general amenity * Some bias is reported in researches

  5. Key objectives of (LED) Street Lighting

  6. Highways / Main Roads Luminance (Lave) Uniformity (luminance) U0 Uniformity (luminance) UL Disability glare (TI) Lighting of surrounding (SR) Main aim: Traffic safety - visual detection of an object on the road surface Norm EN 13201/ CIE 115 Residential / City Centre Illuminance (Eave) Uniformity (illuminance) U0 Hemispherical illuminanceEhs, ave Semi-cylindrical illuminance Esc, min Vertical plane illuminanceEv, min Main aim: Traffic and social security - traffic and facial recognition Norm EN 13201 Main Purpose of Road Lighting Meeting visual needs of road users to support safe driving conditions For Internal ADB Use Only | Confidential 7 Professional LED Luminaires Asia-Pacific February 2012

  7. Axial + Peripheral vision Users needs : where do we need light ? Road Residential • Pedestrian Mainly drivers/ med. to high speed/ long dist. vision Drivers, pedestrians/ med. to low speed/ shorter dist. vision/ complex viewing field Pedestrians, cyclist/ Walking speed/ very short dist. vision/ vision of env. Mostly axial vision 8

  8. Axial and peripheral vision Axial vision Peripheral vision Fovea Rods Dark and no vision of colors (Scotopic) Rods Cones : brightness & vision of colors (Photopic )

  9. Scotopic & Photopic vision ? Night Vision Peripheral On Axis Day Vision RoadLighting

  10. What is Scotopic and Photopic vision ?

  11. Benefits of white lightcomparing to yellow light • Benefits of white light • improved off-axis view • colour contrast • face recognition • colour distinction • Purpose of public lighting • safety (driver/ pedestrians) • feeling secure • night impression - ambiance higher brightness higher brightness = Aim Public Lighting according to CIE-115

  12. Outdoor Lighting is going thru a mojor revolution • Outdoor lighting facts: • Lighting accounts for ~20% of global electricity use. • 75% of global energy consumption is consumed by cities. • Outdoor lighting is 20-30% of a cities electric bill.

  13. LEDs... The Green revolution • Lighting represents 20% of all electricity used globally • With new lighting technology we can potentially save 50% of electricity used today for lighting • This equates to: • Global savings of EUR 106 billion in energycosts per year • 555 million tonnes of CO2 per year • 1.5 billion barrels of oil per year • Annual output of 530 medium sized power stations @ 2TW h /yr 19% 81% 14 Confidential Professional LED Luminaires Asia-Pacific, Jan uary2012

  14. The LED Revolution LED lighting is transforming the entire landscape* 90% 75% 10% 10% 25% 2011 2020 Traditional lighting LED lighting *Market estimate based on internal Philips study 15 Confidential Professional LED Luminaires Asia-Pacific, February 2012

  15. Light Source Description hL(lm/W) 400W High-pressure Na 120 140W Metal Halide 122 ‘TL HE’ Tube Fluorescent 105 Halogen-IR Incandescent 30 Standard Incandescent 16 Lumens Per Watt Theoretical maximum for LED • LED sources have higher efficacy than HID • LED source efficacy is still rapidly increasing and will soon bypass that of other types of sources 208 LPW 186 LPW 161 LPW R&D Capability 2012 W2 E D 2011 CW Lumens / watt 131 LPW C HID High Volume Production B Fluorescent A CFL LED Incandescent

  16. 02 GreenVision Flexi Introducing … New Philips Green Vision Felxi “A future proof road lighting solution that offers significant energy saving without compromising safety on the roads” 17 Confidential Professional LED Luminaires Asia-Pacific, September 2010

  17. But the cost of a safe, LED road system is too high ?

  18. You can save 50% energy & get a 3-5 year payback …. TodayProvide safe and secure lighting for your citizens

  19. Benefits of White light & LED Systems • Upto 50% energy saving ( directed light source ) • Long life of 50K Hrs - 12 Years @ 70% of initial light output • Low maintenance cost over system life time • Robust & vibration proof • White light with high CRI & SP ratio for off axis lighting • Dynamic & controllable • Instant start • No mercury content / UV or IR in the beam

  20. 22 Confidential Confidential Professional LED Luminaires Asia-Pacific, September 2010 Professional LED Luminaires Asia-Pacific, September 2010

  21. …The Right Light Gui Yang – China Cust. letter for GV 1880 Pcs. Meeting high road lighting level of 30 lux Up to 50% energy saving 23 Confidential

  22. …The Right Light Middle Ring Road – Malaysia 24 Confidential

  23. The future is brighter than ever Unleashing new energy saving possibilities with LED Lighting 25 Confidential Confidential Professional LED Luminaires Asia-Pacific, September 2010

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