john rooymans - sm solar energy asia 2010/1_20... · 2016. 2. 27. · consumer goods companies ......
TRANSCRIPT
1
Colors save energy
John Rooymans
2
Were we come from
Leading developer of LED applications for general lighting
World’s most efficient LED lighting applications (> 65 lumen / Watt on lamp level)
Dimmable products in Home & Commercial applications
Low cost and easy to use solutions for off-grid Solar LED applications
Targeted, energy saving spectra for Outdoor and Greenhouse segments
Founded in 2005 by Gemex (technology) and Tendris (capital & organization)
Mission: help to reduce global CO2 emissions by offering market-driven, energy-
efficient LED lighting solutions
Rewarding, not penalizing, sustainable behaviour: create a win/win for all
Started market entry in late 2006 with a Retrofit product (Pharox I) and expanded into
Outdoor and Greenhouse in 2007 and Solar in 2009
Sold over 3 million units to date
Offices in Netherlands, US, China, Singapore and South Africa
3
Awards, Partners and Endorsers
Dutch Postcode Lottery:
Mass roll out of 2,5 million
Pharox lamps
WEF:
Technology Pioneer
2009 Award
World Bank:
Lighting Africa 2009
Award (Solar LED)
Clinton Climate
Initiative:
Preferred supplier
Fast Company: 2010
Top 10 “most innovative
consumer goods companies”
2010 World Finance “Best Western European cleantech company"
Former President Bill Clinton, USA with the Pharox in 2007
Former Prime Minister Tony Blair, UK with the Pharox in 2009
Dutch Prime Minister Balkenende, Netherlands with Pharox in 2009
U2 singer Bono and TNT CEO Peter Bakker with Pharox in 2009
FIFA South Africa 2010 DEA and UNEP officialOffset CO2 emission holder
Sir Richard Branson promoting the Pharox on TV
4
Business units
Home &
Commercial
Public
Lighting
Greenhouse
Lighting
Solar
Lighting
5
Standards
• We live by standards but are they right?
The standard for sound is decibels but sounds 80 dB of a classic concert, a
hard-rock concert or a departing jet all the same?
The standard for light is lumen. Is all light the same?
6
Spectral distribution serves the eye
The human eye can function from dark to the brightest intensity. The eye can
sense a factor of roughly one billion (109) apart. Its a very dynamic system.
However, photo metrics are defined by static metrics. Variable spectral power
distribution under changing light intensities allow better control of vision like
the tone control with music of varying loudness.
7
A new vision on light
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
confidential
Sam Berman, D. Jewett, B. Benson, T.M. Law Lawrence Berkeley National Laboratory :“Our results measuring power and pupil size indicate that photopic luminous efficacy is an inadequate metric by which to judge the efficacy of indoor illumination”
Source: http://adsabs.harvard.edu/abs/2009OptEL...5..265J
8confidential
View of TU/e, TU/delft
LEDs allow tuning of the light spectrum to
the condition of the human eye under
varying light conditions indoor and outdoor,
light to grow plants and for production of
algae and many other applications.
Introduction of this beautiful technology
requires a review of the quality and
performance since they can not properly be
expressed in the classic “incandescent ”
bulb related measures for effective
available light (Lux), the produced flux
(Lumen) and lifetime.
9
Vision with the rods and cones
S/P ratio
The human eye contains rods and cones.
Rods are highly effective at low light levels (dawn, night).
Cones are effective at daylight.
Under varying conditions the eye response is very dynamically with
different sensitivities at varying spectral compositions.
The Photometric standards are static and based on use of the cones only
at a peak sensitivity of 555 nm.
At low light levels the eye also uses rods with a high sensitivity at 507 nm.
The S/P ratio indicates for a lamp how much more the efficient a lamp is
under night vision conditions than the photopic standard.
Lemnis developed lamps with S/P ratio’s up to 4 and incorporated S/P
knowledge in all lamps produced, also domestic and office lamps.
confidential
10
The S/P ratio
S/P ratio stands for how much we see with the rods and how much we see
with our cones. Lumen metrics relate to cone vision only.
11
Spectra of lamps - INDOOR
Lumiled, Nichia, Osram white LED 6000K Lemnis LED 2800K CRI 94
Eye-sensitivity curve for the cones = photopic light
The eye-sensitivity curve for photopic light is the measurement ‘line’ for CRI
12
Special Power Distribution - INDOOR
confidential
Observe the different spectral power distribution
for warm white lamps at 2800K
and having >80 lm/W
Standard industrial LED’s CRI ~ 75
Lemnis spectrum CRI > 94
CRI measurement is based on photopic light
13
Something fundamentally wrong!
confidential
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.
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.
14
SOX 70W
confidential
15
Lemnis ECOwhite 24 W
confidential
16
The tone control of light and CRI impact - OUTDOOR
confidential
17
Tone Colors of colors also works indoor
As does tone control of music at high volume
CRI 82 12x36W Fluorecent CRI 29 6x36W Streetlight
18
10W mesopic residential street lights
19
Schiphol airport
Real green light with high S/P ratio improve vision and color recognition with
60% energy saving.
88 W sodium lamps (background) are replaced
by 36W Lemnis LED lamps (foreground)
20
Hybride street light
The low energy consumption of the LED lamp enables solar and wind integration.
Higher initial system cost competes with high cabling and energy cost
21
Solar lamp
Equivalent to a 25W bulb. Rigid, long lifetime.
With built-in processor for optimal long term use.
Awarded with lighting up Africa award of the World Bank
confidential
22
Tunnel lighting 16 W Mesopic
confidential
23
10 streetlamps of 16W replace 3600W fluorescent tubes
24
Streetlight
Streetlight 36W, poles 10 mtr high
S/P ratio 3,7 CRI 29
After rush hour dimmed to 10W
25
Morroco, Salé city, 150W replaced by 36W moonlight
confidential
26
4x 36W along highway next to 250W Sodium lamps
confidential
27
A greener world
Lemnis has developed a revolutionary concept
that results in the same plant growth compared
to conventional solutions, yet with drastic
reduction of the energy consumption.
With its long lifetime, LEDs reduce cost.
This innovation in greenhouse lighting is the perfect response to the demands
of the sector, society and the government.
28
Stacked greenhouse
Using the height of a greenhouse to the
max. crops like crest, lettuce are
a few centimeter high.
With Lemnis stacked LEDs the greenhouse
height of 8 m can be utilized to 3 or 4 layers.
The strawberry lamp with world record
photosynthesis efficiciency of 2,1 umol/m2/sec.
got nominated as most inovative product
at the international Hortifair 2009
29
Replacing 100W incandescent with 10W LED
Lamp Power Supplier Spectrum start date end date days
Report plant test laboratory Belgium
30
Harvest results
confidential
LED lighting provides 0,7 kg/m² more and better strawberries
31
The range of Lemnis lamps
EFFICIENT LIGHTING
2010
32
PAR for B2B
PAR 38
Power consumption: 12 and 15 watt
Lumen: ~850 and 1200
Color (CCT): ~2700K
Voltage: 110V-240V
On@once
Base: E27 – E26
Lifetime: up to 25 years
confidential
33
Rods work also indoor
S/P = 1,14 S/P = 2,47
34
The lamp is the luminair
Confidential Lemnis
Lighting
34
Flexible reflector Size and angle
35
CO2 footprint
2x 26W ballast 15W = 67W Weight 2,1 Kg Recyclable 40% (electronic waste)
Pharox 800 & Pharox 1100 = 12W & 17W Weight 0,19 kg Recyclable 92% (mainly Aluminum)
36
CO2 Footprint
15 kWh per kilogram of aluminium produced
37
Pharox 1100 17 W
Dual PL 26 W = 52 W
+ Ballast 15 W +
Total 67 W
Click-on frosted diffuser
plate.Light of the 17W Pharox
1100
Equal lux values under
PL
38
PAR illuminated office
With conventional lighting: 15 kWh
With 210 x 12W PAR lamps: 2,5 kWh
Same lux on all places
Energy saving:12,5 kWh
ROI: 8 months
39
Submersible algae lamps for bio-fuel
Algea grow 200 times faster than testerial plants.
Based on Lemnis spectral power distribution, submersible algea lamps
produce highly efficient bio mass and biofuel in a closed reactor
40
Our mission, our ambition
Up to 19% of worldwide electricity is consumed by lighting.
With Lemnis LEDs, 50% of this consumption can be saved.
This is a major positive impact on climate change