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
• Philips solution for energy efficient LED system
Confidential
• How much does it cost to do energy efficient lighting?
• Road lighting video
2
Population, Infrastructure & Vehicle Growth
Population growth ~ 10%
Vehicle registration increasing YOY by +35%
400k road accidents in 2010 Vs. 162K in 1995
Confidential
Focused road Infrastructure development since 2005
*Source: Malaysian institute of Road Safety
3
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
Confidential
Increased sense of belonging/ pride / general amenity
* Some bias is reported in researches
4
Confidential
Key objectives of (LED) Street Lighting
Confidential
Safety
6
Main Purpose of Road Lighting
Meeting visual needs of road users to support safe driving conditions
Residential / City Centre
Highways / Main Roads
–
–
–
–
–
– Illuminance (Eave)
– Uniformity (illuminance) U0
– Hemispherical illuminance Ehs, ave
– Semi-cylindrical illuminance Esc, min
– Vertical plane illuminance Ev, min
Luminance (Lave)
Uniformity (luminance) U0
Uniformity (luminance) UL
Disability glare (TI)
Lighting of surrounding (SR)
Confidential
Main aim:
Traffic safety - visual detection of an
object on the road surface
Norm EN 13201/ CIE 115
Professional LED Luminaires Asia-Pacific
February 2012
Main aim:
Traffic and social security - traffic and
facial recognition
Norm EN 13201
For Internal ADB Use Only | Confidential
7
Users needs : where do we need light ?
Road
Mainly drivers/ med. to high
speed/ long dist. vision
Residential
Pedestrian
Drivers, pedestrians/ med. to
low speed/ shorter dist.
vision/ complex viewing field
Pedestrians, cyclist/
Walking speed/ very short
dist. vision/ vision of env.
Confidential
Mostly
axial
vision
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Axial and peripheral vision
Axial
vision
Peripheral
vision
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Fovea
Cones :
brightness &
vision of colors
(Photopic )
Rods
Dark and no
vision of colors
(Scotopic)
Rods
Scotopic & Photopic vision ?
Night Vision
Peripheral
On Axis
Confidential
Day Vision
Road Lighting
10
Confidential
What is Scotopic and Photopic vision ?
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Benefits of white light
comparing to yellow light
• Purpose of public lighting
• Benefits of white light
improved off-axis view
safety (driver/ pedestrians)
colour contrast
feeling secure
higher brightness
face recognition
night impression - ambiance
colour distinction
higher brightness
Confidential
= Aim Public Lighting according to
CIE-115
Confidential
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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LEDs... The Green revolution
Lighting represents 20% of all electricity used globally
With new lighting technology we can potentially
save
19%
50% of electricity used today for lighting
81%
This equates to:
• Global savings of EUR 106 billion in energy
costs per year
• 555 million tonnes of CO2 per year
• 1.5 billion barrels of oil per year
Confidential
• Annual output of 530 medium sized power
stations @ 2TW h /yr
Confidential
Professional LED Luminaires Asia-Pacific, Jan uary2012
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The LED Revolution
LED lighting is transforming the entire landscape*
90%
75%
10%
10%
2011
25%
2020
Traditional lighting
LED lighting
Confidential
*Market estimate based on internal Philips study
Confidential
Professional LED Luminaires Asia-Pacific, February 2012
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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
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Lumens Per Watt
260
240
Theoretical maximum for LED
208 LPW
220
CW Lumens / watt
200
R&D Capability
180
161 LPW
160
131 LPW
140
120
HID
100
Fluorescent
40
20
2011
2012 W2
E
D
C
B
High Volume
Production
A
80
60
186 LPW
CFL
LED
Incandescent
Confidential
0
•
•
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
LED sources have higher efficacy than HID
LED source efficacy is still rapidly increasing and will soon bypass that of other types of sources
02 GreenVision Flexi
Introducing …
New Philips Green Vision Felxi
Confidential
“A future proof road lighting solution that offers significant
energy saving without compromising safety on the roads”
Confidential
Professional LED Luminaires Asia-Pacific, September 2010
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But the cost of a safe, LED
Confidential
road system is too high ?
You can save 50% energy
& get a 3-5 year payback
…. Today
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Provide safe and secure
lighting for your citizens
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
Confidential
• Instant start
• No mercury content / UV or IR in the beam
Confidential
Confidential
Professional LED Luminaires Asia-Pacific, September 2010
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…The Right Light
Gui Yang – China
Cust. letter for GV 1880 Pcs.
Confidential
Meeting high road lighting level of 30 lux
Up to 50% energy saving
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…The Right Light
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Middle Ring Road – Malaysia
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The future is brighter than ever
Confidential
Unleashing new energy saving possibilities with LED Lighting
Confidential
Professional LED Luminaires Asia-Pacific, September 2010
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Confidential