Better Lighting…Safer Roads

Hasan Rehan

Philips Asia PacificMay 2012

Better Lighting…Safer Roads

Segment Director Asean Pacific & Japan – Outdoor Lighting

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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

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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

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Benefits of road lighting

SafetyUpto 30% accident reduction at night time (CIE. Etc.)

SecurityReduction in crime rates of upto 40% ( Painter/ Boyce/ Atkins)

Economic DevelopmentUpto 70% increase in night time pedestrian traffic (Stoke-on- Trend study)Increased night time commercial activityIncreased property values/ taxes Increased infrastructure usage

Social developmentIncreased sense of belonging/ pride / general amenity

* Some bias is reported in researches

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Key objectives of (LED) Street Lighting

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Main Purpose of Road Lighting

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 surfaceNorm EN 13201/ CIE 115

Residential / City Centre

– Illuminance (Eave)– Uniformity (illuminance) U0

– Hemispherical illuminance Ehs, ave

– Semi-cylindrical illuminance Esc, min

– Vertical plane illuminance Ev, min

Main aim: Traffic and social security - traffic and facial recognitionNorm EN 13201

Professional LED Luminaires Asia-PacificFebruary 2012 For Internal ADB Use Only | Confidential 7

Meeting visual needs of road users to support safe driving conditions

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Users needs : where do we need light ?

Road Residential

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Pedestrian

Mostly axial vision

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.

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Axial and peripheral vision

Axial vision

Peripheral vision

Cones : brightness & vision of colors (Photopic )

Fovea Rods Dark and no vision of colors(Scotopic)

Rods

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Scotopic & Photopic vision ?

Road Lighting

On Axis

Peripheral

Day Vision

Night Vision

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What is Scotopic and Photopic vision ?

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Benefits of white lightcomparing to yellow light

= Aim Public Lighting according to CIE-115

• Purpose of public lighting

safety (driver/ pedestrians)

feeling secure

night impression - ambiance

• Benefits of white light

improved off-axis view

colour contrast

face recognition

colour distinction

higher brightness

higher brightness

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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.

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14Professional LED Luminaires Asia-Pacific, Jan uary2012Confidential 14

Lighting represents 20% of all electricity used globallyWith 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

LEDs... The Green revolution

81%

19%

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15Professional LED Luminaires Asia-Pacific, February 2012Confidential 15

LED lighting is transforming the entire landscape*

The LED Revolution

Traditional lighting

*Market estimate based on internal Philips study

LED lighting

20112020

90%

10%

75%

25%10%

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20

40

60

80

100

120

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160

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200

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2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

Lumens Per WattCW

Lum

ens /

wat

t

CFL

LED

Fluorescent

HIDHigh Volume Production

Incandescent

A

B

C

D

Theoretical maximum for LED

E

• LED sources have higher efficacy than HID• LED source efficacy is still rapidly increasing and will soon bypass that of other types of sources

2012 W2

Light Source Description hL(lm/W)400W High-pressure Na 120140W Metal Halide 122‘TL HE’ Tube Fluorescent 105Halogen-IR Incandescent 30Standard Incandescent 16

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17Confidential Professional LED Luminaires Asia-Pacific, September 2010

02 GreenVision Flexi

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“A future proof road lighting solution that offers significant energy saving without compromising safety on the roads”

Introducing …New Philips Green Vision Felxi

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But the cost of a safe, LED

road system is too high ?

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You can save 50% energy & get a 3-5 year payback …. Today

Provide safe and secure lighting for your citizens

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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

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

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…The Right Light

Meeting high road lighting level of 30 luxUp to 50% energy saving

Gui Yang – China Cust. letter for GV 1880 Pcs.

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…The Right Light

Middle Ring Road – Malaysia

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25Professional LED Luminaires Asia-Pacific, September 2010Confidential 25Confidential

The future is brighter than ever Unleashing new energy saving possibilities with LED Lighting

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