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Is Purple the New White ?What is the Right Color for Growing Lamps ?

Xavier Denis - Application Engineering Manager | Nichia EuropeFrançois Mirand – Technical Director EMEA | Future Lighting Solutions

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Disclaimer

Future Electronics makes no representation or warranty, express or

implied, as to the accuracy, completeness, reliability or timeliness of the

information provided herein. Any information furnished by Future

Electronics is furnished on an "as is" basis and only as an accommodation

to its customers and not based upon any legal or contractual obligation to

do so. Conclusions drawn from or actions undertaken on the basis of such

information are the sole responsibility of the user. Future Electronics

specifically disclaims any liability or responsibility for any information

provided herein or for any loss or damage resulting from the use of or

reliance upon any such information.

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Rsp0a 5000K

Nichia LEDs Advantage

01 HIGH EFFICACY

02 HIGH RELIABILITY

03 WORKABILITY

FIXTURE COST 04Red die Cost Reduction

Heat-sink Cost Reduction

red die with poor thermal droop

Standard Driver

red and blue with dual control

PRODUCTION STABILITY 05- Voice of Market -

Lean narrow band LED at chip base

All in One

And White

Rsp0a 3000K Rsp0a 5000K R8000 5000K R+B LED Fluorescent

R+B LED

High Growing Speed

NICHIA Broad

band LED

Narrow

band LED

0,0

0,5

1,0

400 600 800

0,0

0,5

1,0

380 580 780

Copyright © NICHIA CORPORATION,2017

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2023

25

Monochromatic light Test

Spectrum

0.0

1.0

2.0

3.0

4.0

5.0

6.0

400 500 600 700 800

Rela

tive

phot

on fu

lx d

ensi

ty

（μm

ol m

-2 s

-1）

Wavelength (nm)

☑ Stems

☑ Weight

Thin

Light

Thick

Heavy

How plants react to monochromatic light?• Plants absorb green light and grow

• Wavelengths provide a difference in growth even with same PPF

* TEST CONDITIONVariety: Romaine Lettuce, Temp: 22.0℃, Humidity: 23-70％, Condition: Light Period: 16hrs; Dark Period: 8hrs, CO2 Concentration: 427ppm, Growing Period: 14 days, PPFD: 80-90μmolm-2s-1

29

Fre

sh w

eig

ht

[g]

Copyright © NICHIA CORPORATION,2017

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Basic Effects by Wavelength Copyright © NICHIA CORPORATION,2017

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Rsp0a 5000K

Rsp0a vs. Conventional light

Variety: Romaine Lettuce, Temp: 22-24℃, Humidity: 60-70％, 16L8D, Growing Period: 21 days, PPFD: 132μmolm-2s-1

Nichia Horticultural LEDs

R/B 1.6 4.5 0.9 2.5 0.5

R/FR 6.3 5.1 8.9 - 1.3

99 98

69 67 68

0%

50%

100%

150%

200%

250%

300%

350%

400%

450%

0

20

40

60

80

100

120

5000K

Rsp0a

3000K

Rsp0a

5000K

Ra≥80

R+B LED Fluorescent

Wh/g

(R

ela

tive v

alu

e)

Fre

sh w

eig

ht

[g]

0,0

0,5

1,0

1,5

2,0

2,5

3,0

380 480 580 680 780

Rela

tive p

hoto

n flu

x d

ensi

ty[μ

mol m

-2S-1

]

Wavelength [nm]

Rsp0a3000K

Rsp0a5000K

R+B LED(R/B 2.5)

Fluorescent

5,000K Ra≥80

48～50% down

46～48% up

* TEST CONDITION

Rsp0a 3000K R+B LED Fluorescent

Copyright © NICHIA CORPORATION,2017

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FAST-GROWING

MORE ENERGY SAVING

Performance of Rsp0a by CCT

CCT 5,000K 3,000K

R/B 1.6 4.5

R/Fr 6.3 5.1

Average Weight 73.7g/Seedling 88.5g/Seedling

Power

Consumption12.5Wh/g 9.7Wh/g

Visual Assessment

* TEST CONDITIONVariety: Frilly Lettuce, Temp: 25.0℃, Humidity: 55-75％ (Ave. 65%), Condition: Light Period: 12hrs; Dark Period: 12hrs,

CO2 Concentration: 400-500ppm (Ave. 450ppm), Growing Period: 25 days, PPFD: 230μmolm-2s-1

BETTER SHAPE

SIMILAR TO NATURAL LIGHT WITH SUN

Copyright © NICHIA CORPORATION,2017

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ES

COB 5~45W10~96μmol/s2.26~2.16μmol/J

ES

E21A 2W

ES

219C 2W3.86μmol/s1.86μmol/J@700mA

Product Line Up for Rsp0a

100

2016 2017 2018

1000

Optional

NICHIA can provide Optional packages on-demand

MP

757 0.2W0.42μmol/s2.0μmol/J@65mA

ES

757 1W

* CCT=5000K, Ta=25℃

Radiant flux[mW]

10000

Copyright © NICHIA CORPORATION,2017

All material, text, graphics, images, design, icons and other copyrightable elements are the copyrighted property of Future Electronics or the original creator and may not be copied, reproduced, republished, displayed or distributed by any

means, including but not limited to electronic, mechanical, photocopying, recording or otherwise, without the express prior written permission Future Electronics or the original creator. All rights reserved. © Future Electronics Inc.

Case StudyGrowing Tulips

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DLI Requirements

Purdue University - West Lafayette, Indiana

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Fixture Specs

LED: 256 * Nichia NFSW757G-Rsp0a (5000K)

Optic: 16 * Ledil IDA16-WW (4x4 array)

LED Output: 11500lm*

LED Power: 93W*

Driver: Inventronics EUG-096S210DV

Heat Sink: Aavid-Thermalloy 63925 extrusion l=200mm*

Dimensions: ~200x200x50mm

*Simulated using FLS online Usable Light Toolhttp://www1.futurelightingsolutions.com/ult/

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FLS – Horticulture SimulatorProduct Family LED Part Number Flux Flux Units Electrical Power (W)

Total Photon

Flux (μMol/s)

315-880nm

PPF (μMol/s)

400-700nm

Total Radiometric

Power (mW)Efficiency (μMol/J)

LED 1 Nichia Horticulture White NFSW757GT Rsp0a 23000,000 lm 186,000 374,378 354,472 79445,56 1,91

LED 2 0,000 0,000 0,00 0,00

LED 3 0,000 0,000 0,00 0,00

LED 4 0,000 0,000 0,00 0,00

LED 5 0,000 0,000 0,00 0,00

LED 6 0,000 0,000 0,00 0,00

LED 7 0,000 0,000 0,00 0,00

LED 8 0,000 0,000 0,00 0,00

LED 9 0,000 0,000 0,00 0,00

LED 10 0,000 0,000 0,00 0,00

Use IES File Graph Settings

75,00 degBeta Carotene

Distance 1,35 m From (nm) To (nm) Chlorophyll A

ON Hours per day 18,00 h 480 580 Chlorophyll B

Optical Efficiency 90,00 % Custom Graph

Light source type Distributed Source

Source Length 0,20 m

Source Width 0,20 m

Total PPF 380-780nm 335,920 μMol/s

PPF in PAR 400-700nm 319,025 μMol/s

Average PPFD of Array Please Run Simulation in PPF and DLI tab μMol/(s m 2̂)

Average DLI of Array Please Run Simulation in PPF and DLI tab Mol/(day m 2̂)

Red % 21,497 %

Blue % 16,988 %

Far Red % 3,148 %

Red/Blue Ratio 1,265

Efficiency 1,715 μMol/J

PPF Exclusion Range

See

PPFD

and DLI

Tab

FWHM viewing angle

0,0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1,0

315 415 515 615 715 815

No

rma

lize

d S

PD

Wavelength (nm)

Result

Beta Carotene

Chlorophyll A

Chlorophyll B

Exclusion Region

Custom Graph

Load IES File

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

-90 -75 -60 -45 -30 -15 0 15 30 45 60 75 90

Rel

ati

ve I

nte

nsi

ty

Angular Displacement

Loaded IES File 0-180

90-270

0

0,2

0,4

0,6

0,8

10

1530

45

60

75

90

105

120

135

150165

180195

210

225

240

255

270

285

300

315

330345

Loaded IES File 0-180

90-270

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Light Source

Product Family LED Part Number Flux Flux Units Electrical Power (W)

Total Photon

Flux (μMol/s)

315-880nm

PPF (μMol/s)

400-700nm

Total Radiometric

Power (mW)Efficiency (μMol/J)

Nichia Horticulture White NFSW757GT Rsp0a 23000,000 lm 186,000 374,378 354,472 79445,56 1,91

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Optical Characteristics

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Source Width 0,20 m

Average PPFD of Array 86,06 μMol/(s m^2) PPF in PAR Total Photon Flux

Average DLI of Array 5,58 Mol/(day m^2) Average PPFD Peak PPFD

Array DLI Plant SpeciesRecommended Range

(Mol/(day m^2))

Optimal ON time per

day at 1,35m height (h)

Optimal Mounting Height

at 18h per day (m)

Good Aglaonema 3 - 15 >20h 1,04

Too Low Alstroemeria (Cut Flower) 9 - 31 >20h 0,60

Too Low Angelonia 7 - 31 >20h 0,67

Acceptable Antirrhinum 5 - 31 >20h 0,77

Too Low Aster 7 - 31 >20h 0,67

Good Begonia (Fibrous) 3 - 31 >20h 0,92

Good Begonia (Heimalis) 3 - 17 >20h 0,92

Good Bromeliads 3 - 15 >20h 1,04

Good Caladium 3 - 31 >20h 1,04

Too Low Cannabis* 26 - 95 >20h 0,30

Too Low Capsicum (Pepper) 9 - 31 >20h 0,60

Too Low Catharanthus (Vinca) 7 - 31 >20h 0,67

Too Low Celosia 7 - 31 >20h 0,67

Too Low Chrysanthemum (Cut Flower) 9 - 31 >20h 0,60

Too Low Chrysanthemum (Garden) 7 - 31 >20h 0,67

Acceptable Chrysanthemum (Potted) 5 - 31 >20h 0,77

Good Coleus (Shade) 3 - 23 >20h 0,92

Good Cyclamen 3 - 19 >20h 0,92

Too Low Dahlia 7 - 31 >20h 0,67

Acceptable Dianthus 5 - 31 >20h 0,77

Too Low Dianthus (Carnation) 9 - 31 >20h 0,60

Good Dracaena 3 - 15 >20h 1,04

Too Low Echinacea 7 - 31 >20h 0,67

Acceptable Euphorbia (Poinsettia) 5 - 31 >20h 0,83

Good Exacum 3 - 19 >20h 0,92

Very Good Ferns (Pteris Adiantum) 1 - 11 16,14 1,23

Too Low Ficus Bejaminia 7 - 31 >20h 0,67

Very Good Forced Hyacinth 1 - 31 16,14 1,23

Very Good Forced Narcissus 1 - 31 16,14 1,23

Very Good Forced Tulip 1 - 31 16,14 1,23

For PPFD caculations use:

Calculate PPFD Distribution

-1,00m

-0,83m

-0,67m

-0,50m

-0,33m

-0,17m

0.00m

0,17m

0,33m

0,50m

0,67m

0,83m

1,00m

PPFD Distribution

102,6-114

91,2-102,6

79,8-91,2

68,4-79,8

57-68,4

45,6-57

34,2-45,6

22,8-34,2

11,4-22,8

0-11,4

Purdue University Horticulture DLI

Study

System Simulation

Average DLI: 5.58 mol/(day m^2)

Average PPFD: 86.06umol/(s m^2)

Overall Uniformity: ~0.66

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