Outdoor Lighting

Ronald van TriestCEO

Traditional methods of producing light

The conventional way of producing light is by burning

From candle light to light bulb to HID.

Candle Light

Burning Wax

Incandescent/CFL

Burning Metal/GasHID/HPS

Burning Gas

• Burning process is not efficient

• Consumes high amount of energy to produce light

• Efficiency ~1%

What is light?

• Light is measured and expressed in lumen (light intensity) and lux (light

per square meter

• Quality of light is measured and expressed in Color Rendering Index (CRI)

How it started?

• Focus on better vision

• Understand how the eye works

• Understand how light works

The current standard (1931)- Lighting defined

The eye sensitivity curve V(λ) is based on measurement at photopic light

levels measured with a 2° view angle (foveal). CIE standard 1931.

The cones in the eye can see light from blue to deep red with the highest sensitivity in the

green/yellow area. One Watt of energy converted to light

at 100% efficiency results in 683 lumen.

-- During the day (at Photopic light

levels) our vision is the best at 555

nanometres

-- in the night (at scotopic light levels)

our visibility is best at 505

nanometres

Our eyes behave differently at night than during the day

Light intensity shifts from fotopic to scotopic (very low)click on start

Functioning of the eye is different for Outdoor vs Indoor

Eye dynamics

• The human eye perceives light

different under varying intensities or

color

• A lux meter does not show that

• Vision and sight is not the same

under composed colors

• Leds allow spectral combinations for

optimal vision

• Science is questioning the lumen

standard

Source: http://adsabs.harvard.edu/abs/2009OptEL...5..265J

The Anatomy

• All eyes work the same around the world

• Cones are for color and day light = 5,000,000

• Rods are for motion and night vision = 120,000,000

11

The retina

• Best day sight at yellow-green (cones - 555 nm), night vision at blue-green (rods - 505

nm)

• With LEDs, light composition can be chosen more accurate than with conventional light

sources, for instance: green at 509 nm (with 2 nm deviation)

• Light with a green component gives best sight in street lighting at minimum illumination

levels: our visual perception mainly relies on our sensitive rods

Better Sight With Less Light!

Photopic / Daylight Vision Scotopic / Night Vision

Standard

street lamp

Match the light spectrum with the eye – Ellipz Lighting

• Light spectrum of Ellipz LED light follows the eye cuve which is shifting left from daylight vision to night

light vision.

• Standard Sodium lamps are peaking at 555nm which is good for the lux meter but gives poor visibility.

• Other Cool-White LED lamps (4000K and above) recreat photopic light with a peak at 555nm (good for

lux meter), but again give poor light due to a peak in the blue area due to the usage of 3p and 4p

phospors.

Color sensation through RED is intenisty and spectrum

depending

Ellipz SPD shows colors at 1 luxLow light levels no color vision

Some Results - Tunnel lighting

*) picture from former group company Lemnis Lighting BV

Genting Highlands - Malaysia

Ellipz 56w WhiteMoonlight HPS 250w

A simple comparison…… pole height 10mtrs, distance 25 mtrs

HPS 400wEllipz 120w

For 200mtrs of road this means the following energy consumption and savings:

HPS: 8 poles x 400w x 12hrs x 365 days = 14.016kWh

Ellipz: 8 x 120w x 12 x 365 = 4.204 kWh => 70% savings

Philippines Manila – Roxas boulevard

150 W sodium lampsEllipz 36 W lamps

Secondary roads in Holland – safety & reaction speed

*) pictures from former group company Lemnis Lighting BV

Morocco – Sale – safety 150w HPS

Ellipz 56w WhiteMoonlight HPS 150w

*) pictures from former group company Lemnis Lighting BV

Amsterdam Airport - Front 24W Ellipz Moonlight –

background 88W HPS

*) picture from former group company Lemnis Lighting BV

24W Ellipz Moonlight Dutch national airport

*) picture from former group company Lemnis Lighting BV

Surveillance cameras respond very good on Ellipz Led

High Pressure Sodium Ellipz Moonlight

Ellipz - Led and camera vision Schiphol Airport Amsterdam

*) pictures from former group company Lemnis Lighting BV

Surveillance cameras respond very good on Ellipz Led

Ellipz - Led and camera vision Schiphol Airport Amsterdam

*) pictures from former group company Lemnis Lighting BV

Very good camera recognition of men and objects

Pictures taken from actual monitors

HPS 70 Watt Ellipz Moonlight 24 Watt

Ellipz - Led and camera vision Schiphol Airport Amsterdam

*) pictures from former group company Lemnis Lighting BV

Ellipz Mesopic LED-light is adapting to the eye

•Human eye is more sensitive

to green towards blue at night

(Purkinje shift);

• Using yellow or white light

requires higher wattages to

provide good vision;

• For OUTDOOR: Ellipz

produces a green/blue light to

highten visibility at night at

low energy levels;

Something fundamentally wrong !

26

Light directives and standards are based on Photopic

lumen

This is a serious problem because our eyes behave totally

different at night than during daytime.

To benefit of the high sensitivity of the rods, light should have

the right spectral composition at different intensities. The goal is

more sight with less light.

Studies show that the ratio between Scotopic (night) en

Photopic (day) vision, the so called S/P ratio, is a base which

can be used to multiply the lumen with to express the real

light perception.

COMPETITORs White leds are based on blue chips with 3P or

4P phosphors to convert the blue light into white light with a

peak at 555 nm. In outdoor and most interior lighting the

maximal eye sensitivity is shifted towards 505 nm. Industrial

leds produce the lowest output at that wavelength.

Industry

spectrum

provides lowest

light levels at

505 where the

eye is most

sensitive at

night

Which side is lighter?

28 lux 6 lux

This is what the lux-meter reads/measures, but your eyes see

different due to night-light and day-light vision.

Some Results - Tunnel lighting

*) picture from former group company Lemnis Lighting BV

New Internationally acclaimed measurement – S/P-ratio

28 lux x S/P 0.63 =

176 lux x S/P 3.5

= 21

This is what your eyes sees and then it is correct.

Your eyes are not wrong, but measure with the

wrong and outdated standards.

New measurements are using S/P ratio to express the real light intensity!

*) picture from former group company Lemnis Lighting BV

Genting Highlands - Malaysia

Ellipz 56w WhiteMoonlight HPS 250w

7 lux 20 lux

Genting Highlands – Malaysia using S/P-ratio

Ellipz 56w WhiteMoonlight HPS 250w

7 lux x 3.2 = 22.4 20 lux x 0.63 = 12.6

A simple comparison…… pole height 10mtrs, distance 25 mtrs

HPS 400wEllipz 120w

For 200mtrs of road this means the following energy consumption and savings:

HPS: 8 poles x 400w x 12hrs x 365 days = 14.016kWh

Ellipz: 8 x 120w x 12 x 365 = 4.204 kWh => 70% savings

18 lux8 lux

Philippines Manila – Roxas boulevard

A simple comparison…… pole height 10mtrs, distance 25 mtrs

HPS 400wEllipz 120w

For 200mtrs of road this means the following energy consumption and savings:

HPS: 8 poles x 400w x 12hrs x 365 days = 14.016kWh

Ellipz: 8 x 120w x 12 x 365 = 4.204 kWh => 70% savings

Philippines Manila – Roxas boulevard using S/P-ratio

18 lux x 0.63 = 11.38 lux x 3.2 = 25.6

Global Standards in movement (1/2)

Industry focus is on More… More…. More Lm/W Lm/$

Eyes are asking for Better… Better… Better

See better with less energy (=energy saving)

How do we get better light?

By making the right spectral composition: high S/P ratio, best vision, lowest energy

consumption

What is happening to the standards?

IES TM 24-13: adjusting illumination measurement using S/P-ratio

CIE: working on the Mesopic Task-Force

Lites-Asia: twice annual forums discussing S/P-ratio for Asian implementation

SEMIcon SEA: making steps to advice and consult governments

The movement is there to accept the S/P-ratio as a valid

criteria for lighting design and master planning.

Global Standards in movement (2/2)

Industry and Countries are slowly accepting and adapting.

Panasonic Mesopic Light for Enhanced Security

*) copy of Panasonic brochure

Philippines has embraced S/P ratio in their program for National Road Lighting

Ellipz Mesopic light with S/P ratio of 2.7 (4000CCT) - 3.4 (6000CCT) is ideal at

night, but may raise question on absolute requirement of Photopic Lumen.

That is why Ellipz has developed a new Streetlighting product that meets the

criteria of 90lm/w, but with an S/P ratio of 2.0.

2 versions to answer to diverse global standards

type Ellipz SL1 and SL2 Ellipz SL3

Power (w) 25w/40w/60w/80w/120w 60w/75w/120w/150w

Photopic Lumen Typcial 36 - 40lm/w Typical 90 lm/w

Scotopic Lumen Typical 108 – 120lm/w Typical 180 lm/w

Chip composition Red+Green+Cyan+Blue

(NO phosphors)

Red+Green+Nitrates

Lifetime LM 90 @ 50,000hrs LM 90 @ 50,000hrs

Something else is also wrong ..... color recognition

High pressure sodium CRI 25Ellipz Eco White CRI 24

Color recognition using Mesopic Light indoor

10,000Watts <1,000Watts

CRI 25

CRI 24

*) pictures from former group company Lemnis Lighting BV

Ellipz Moonlight with calculated CRI 24

*) pictures from former group company Lemnis Lighting BV

The tone control of light and CRI impact –Ellipz OUTDOOR Lighting

Cones composition to see colors:60% Red, 36% Green, 4% Blue

Ellipz spectral power distribution streetlight

peaking at 505Nm where the eye is most

sensitive

at night, low at 555Nm (daylight) and then

green and red to provide color recognition.

CRI 24

The eye needs colors, but the right colors at different light intensities: Ellipz uses RED+GREEN+CYAN to create white (MOON) light

In the center part of the retina the ‘sensors’ are the Cones and in the peripherie one uses the Rods. Cones are 96% RED+GREEN.

The retina

Other LEDEllipz LED OUTDOOR

Ellipz key differences in light-sources

Higher Power/Less Vision, Shorter life,Less vision

Most efficient LIGHT,LM maintenance, Distribution,

Vision (depth, contrast)

Red chip

Green

chip

Cyan chip

HPS (sodium)High power, Low vision,

Maintenance, Color, Safety

Blue chip +

phosphor

Hazards of blue light – out of the visual sphere => light dust

Blue cones in the eye are not in the central focus of the eye. Therefore blue light is not giving a sharp and detailed vision. An artistic project in Amsterdam had to be stopped creating dangerous situations. In addition the energy level of blue light is affecting the retina and may cause damage to the eye.

SENSITIVITY TO BLUE LIGHT & AGE

Human develop natural protection against excess blue light!

The older you get, the more blue are filtered!

Elderly people see less, specially of the blue light. Glare is therefore more applicable to elderly people and hence impacting road lighting.

Key issue with standard/conventional LED streetlights

Conventional LED streetlights are driven by many individual White LEDs with 3p+4p phosphors, each is approx 1+w

Limited energy savings: ie. 250HPS replaced by 180w or 150w.

Limited lifetime: higher heat output leading to single LEDs malfunction.

Faster degradation: due to higher heat output often a black line or fading in the center of the lamp.

Philips LED Streetlight Essential-line – designs (2012)

100w

140w

180w

Philips LED Streetlight Essential-line – specs (2012)

Weight:

100w = 13.2kg

140w = 14kg

180w = 15.8kgLumen maintenance

@ 50,000hrs = 70%

IP65 Class I

CRI 70

Philips NEW low-cost LED streetlights 140w (Korean OEM

supplier)

Individual White LEDs with

3p+4p phosphorsBig piece of

aluminum

for cooling

9 kgs

Philips NEW LED streetlights 60-140w (Korean OEM supplier)BRP 310 / 110W; 6000K CCT; Lumen 10200Lu; Average 92 Lu/W SP : 4000K - 1.5~1.6

; 6000K/1.9~2.0

Both ends of the pilot track are illuminated by 15 mtr high mast with 8 kW Sodium lamps.The side of the road is illuminated by strong spotlights from the Zoo.There is no dark zone were high power lights are invisible to support best mesopic vision

Location and view points

Malaysia – Ayer Keroh exit road to Malacca

Replacement impact

50

12mtr

400w HPS (6kg)

40-50mtr 40-50mtr

12mtr

180w LED (12-16kg)

40-50mtr 40-50mtr

Bad distribution

Solution = add more poles

51

12mtr

180w LED (12-16kg)

25 mtr 40-50mtr

Risk of weight, failure and cost of pole = 3 x cost of lamp

Ellipz Solution

52

12mtr

120w LED (6kg)

40-50mtr 40-50mtr

Best vision, maximum savings, lowest cost

Nice look through

A bright vision on light and the future

Good distributiondue to unique reflector technology

Advantage of colored LEDs

LONGER LIFETIME

Typical behaviour of LED material under equal

conditionsLumen depreciation

5mm epoxy LEDs at 20 mA

Ellipz uses

predominantly

R & G

>>Greatest

reliability (lumen

maintenance)

over long time

No IP issues

Matches eye

photoreceptors: mostly

red & green cones

(98% in total) for color

vision

>>

>>

Ellipz LED Technology Insight - lifetime

Ellipz Typical Replacement Table

TraditionalSON/HPS

Conventional LED

Ellipz LightingMesopic LED

Ellipz LightingPhotopic LED

70w 40w 25w n.a.

150w 80-100w 40w 60w

250w 100-120w 60w 75w

400w 160-180w 120w 150w

Pole distance4-5 x pole height

Pole distance2-3 pole height

Pole distance4-5 x pole height

Pole distance4-5 x pole height

Ellipz Lighting – Following the HUMAN EYE

In view of providing the most optimal light for the human eye, Ellipz Lighting has developed a 2nd generation of LED ighting technology (SL1, SL2). This is called Mesopic Light, which is combination of Scotopic (=Moon) and Photopic (=Sun) light.The so-called S/P ratio plays an important factor.

For strict roadlighting guidelines, Ellipz Lighting has also developed a hybrid version/photopic (SL3) with a lower S/P ratio, but still 25% better than average competition.

Ellipz Flood Lights

58

59

1

Ellipz Flood Lights

Ellipz Street Lights – Design versions (all IP66)

Ellipz SL1

Ellipz SL2

24-120w

40-150w

Ellipz Street Light – detailed specification overview (Mesopic)

Specifications Lemnis Streetlight 40W Lemnis Streetlight 60W Lemnis Streetlight 80W Lemnis Streetlight 120W

LED power in wattage (Lamp rated power) 40 60 80 120

Total system power in wattage* 45 66 88 132

Lumen output system 1,200 1,600 2,100 5,000

Nominal Lumen output (photopic) 1,700 2,000 3,000 4,100

S/P ratio 3.4 3.4 3.4 3.4

Nominal Perceived Lumen output (Mesopic)** 4,800 6,300 8,400 12,500

Efficacy lm/W (Photopic) 37.8 30.3 34.1 31.1

Efficacy lm/W (Mesopic) 106.7 95.5 95.5 94.7

Weight Kg 5.2 5.2 7.2 7.2

Dimensions (L x H x W) mm 539 x 260 x 145 539 x 260 x 145 734 x 260 x 145 734 x 260 x 145

Burning Hours life time

Lumen output minimum at 90%

System voltage

Voltage fluctuation tolerance

Power factor

Dimmable

Operating ambient temperatures

Ventilation / cooling mechanism

Color temperature in CCT

Vertical light distribution

Lateral light distribution

IP Rating

IK Rating

Direct or Indirect lighting

Usage of indirect lighting technology

Cover type to protect LEDs

Housing

Color All colors possible, standard RAL 7035

>70% lumen output at 80,000hrs

-40C⁰ - +70C⁰

IK 08

Indirect, usage of patented reflectors

Satinized mirror reflector for max lifetime

Yes, tempered glass

die-casted aluminimum

Channelled convection and/or Alu 47 gr/W

6000K and 4000K

yes, 4.5h-6h

Type I, width=1.5h

IP 66

L90 50,000

100/240v 50/60Hz

90 -305V

0.95

OPTIONAL 1-10VDC

Ellipz Streetlight 40w Ellipz Streetlight 60w Ellipz Streetlight 80w Ellipz Streetlight 120w SL1 / SL2

SL1 Series SL1 40W SL1 25W

CCT 4000K / 6000K 4000K / 6000K

Input Voltage (V) 100/230/277 100/230/277

System Power (W) 45W typical 29W typical

PF 0.95 0.95

Photopic Lumen (lm) *1700 *1150

Efficacy (lm/W) *38 *39

SP Ratio 2.5 / 3.4 2.5 / 3.4

Lifetime L85B15 / L70B50 50,000 / 80,000 hrs 50,000 / 80,000 hrs

LS Ellipz LS-15W Ellipz LS-8W

Size (mm) 539 x 260 x 145 mm 539 x 260 x 145 mm

IP IP66 IP66

Certification TUV+CB, LM79 TUV+CB, LM79

Ellipz SL1 Street Lights LOW power range (Mesopic)*Mesopic is combination of scotopic and photopic light. S/P raio of 2.5 means 2.5 more scotopic light than photopic. Impact on actual measured Lm.

Ellipz SL3 Street Lights (Spectral Enhanced versions)

SL3 Series SL3 60w - 75W SL3 120 - 150W

CCT 4000K / 6000K 4000K / 6000K

Input Voltage (V) 100/230/277 100/230/277

System Power (W) 75W typical 150W typical

PF 0.95 0.95

Photopic Lumen (lm) 6,375 (75w) 12,780 (150w)

Efficacy (lm/W) 85 85

SP Ratio 2.0 / 2.2 *2.0 / 2.2

CRI >90 >90

Lifetime L85B15 / L70B50 50,000 / 80,000 hrs 50,000 / 80,000 hrs

LS Ellipz S5-15W Ellipz S5-15W

Size (mm) 539 x 260 x 145 mm 539 x 260 x 145 mm

IP IP66 IP66

Certification TUV+CB, LM79, LM80 TUV+CB, LM79, LM80

Photopic versionsS/P ratio 2.0

Ellipz Pole-top fixture

Key Product Information

65

Patented light distribution technology

66

Through the asymmetric optics,

different illuminated zones on the

street are realized. The zones

overlap each other resulting in an

even light distribution. The fixture

illuminates the sidewalk and

facade in such a way causing no

disturbance in the surrounding

houses

Ellipz key USPs - OUTDOOR

USP Ellipz Other standard LED

Power (w) Most efficient due to S/P ratio 2.5-3.2 efficiency (120w)

Higher Power due to lower S/P ratio (180w, 30% less efficient)

Vision Better, transparent, due higher scotopic light spectrum

Blue LEDs, blur vision

Distribution Higher due to reflector Direct light, intense, need more poles

Glare Lowest in the industry(G-06)

High, specially in rain & fog

Lifetime Long as NO phosphors(LM 90 @ 50,000hrs)

Questionable due to Blue LEDs with phosphors

Ellipz Outdoor vs competition

Where does Ellipz excels vs market:

1. Optics/Reflector vs directional light• better distribution• lowest glare factor

2. No usage of phosphors• longer lifetime• less degradation

3. Absolute weight of product (>50% less than Philips)• lower cost • lower demand on pole • easy retrofit, safer for risk of falling down!

4. Better heat management • lower degradation : 90% at 50,000hrs

5. Overall more efficient through unique spectral distribution of mixing red/green LEDs leading to S/P ratio providing best vision at night

Ellipz 120w

ABOUT Ellipz Lighting

Founded by the 2 great grandsons of late PHILIPS Founder.- Frans Otten (Chairman / Ellipz Lighting)- Warner PhilipsAnd inventor of Ellipz Lighting- John Rooijmans (CTO / Ellipz Lighting)

Originated in Holland / EuropeHeadquartered in Singapore / Asia

AccreditedEllipz Technology is accredited by world organizations and has received endorsement from eg Mr. Bill Clinton, Sir Tony Blair, Sir Richard Brenson, and many more.

Ellipz LightingCustomers

We hope we haveOpened Your Eyes!

Thank you.