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LargeAreaIntelligentEfficientHighQualitySolid-stateLigh:[email protected]
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 2
Outline
• Thin large area solid-state lighting modules
• The technological background
• LASSIE-FP7: Highlights ( http://lassie-fp7.eu )
LEDs
OLEDs
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 3
Thinlargeareasolid-stateligh2ngmodules
LargeAreaSolid-stateLigh1ng
• Whylarge-area?
o Lightdistribu1onoveralargeareao ReducedintensityàReducedglare
o Reducedluminairelosses
• Whythin?
o Aesthe1cso Design
o Weight&Space
• Whichtechnologies?
o OLEDso LEDs
Fluorescenttroffer(withLouvers)
LEDpanel
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 4
Efficiency
LargeAreaSolid-stateLigh1ng
LEDs
OLEDs
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 5
Ligh2ngquality
LargeAreaSolid-stateLigh1ng
Blackbody PhilipsNR63 HybridOLED
M.Schaer,P.CoKe,L.Zuppiroli(LumièresduFutur,PPUR,2011)
CCT=3900K CCT=3900K/CRI<70 CCT=3600K
Weneedanewdefini2onandmeasureofligh2ngqualitybeyondCRI
basedonthewholesourcespectralcharacteris2csofSSLsources
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 6
• Highcolorrendering
o ...butde-saturatesredcolors(e.g.skintones)
• Modesttogoodluminanceuniformity
o ...butslowvariatons
• Largeop1callosses(e.g.lighttrappinginglassmodes)
o ...butwithout-couplingfoils>50%improvement
• Lowefficiecyde-glaringsolu1ons
o ...duetopoorlightrecycling
• Difficultbeamshaping
o ...OLEDsarelargearealamber1anemiKers
LEDsvs.OLEDs
LargeAreaSolid-stateLigh1ng
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 7
LEDsvs.OLEDs
LargeAreaSolid-stateLigh1ng
• Possiblemediumtohighcolorrendering
o …butwithincreasingpriceand/orcomplexity
• Highluminousintensity
o …but“hotspots”canbeanissue
• Possiblelimitedlumenoutput/chip
o ...butLEDarrayscanprovideenoughlumens
• Smallsourcedimensions(i.e.pointsources)
o ...~1mm2vs104mm2
• Lamber1anpointsources
o ...brightspots,mul1-shadows,glare,etc.
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 8
CommercialLED&OLEDligh2ngmodules
LargeAreaSolid-stateLigh1ng
LEDs OLEDsPhilips
Highestlumenoutput1 OLEDworks(Philips) LGChemLargestArea
LGChemHighestEfficacy
Bestcommercialmodule For1moLEDDLM500055W/830Gen5 LumibladeBriteFL300 N6SD30 N8SA30
Emissivearea(mm2) 2’9402 102x102 320x320 100x100Thickness(mm) 43.62 3.01 1.01 1.971
Luminousflux(lm) 4’500-5’500 3002 800-1’2002 75
LumenEfficacy(lm/W) 1003794 >503 60 80
CCT(K) 3’000 3’0004 3’000 3’000CRI >80 >80 >90 >80
Life2me–LT70(103hrs) 50 105
506 403,4 502
Price/unit 69EUR5 136EUR60EUR7 600EUR5 82EUR3
1Otherproductsexistwithlowerlm2Basedonthetechnicaldrawings3Module4System5eBay(source)
1Includingthermalbackplate,housingandwiring2At340mAand19V3At300lumen44000Kplanned5At300lumen6At125lumen7Forordersabove40OLEDs
1BareOLED2At1700mA/8.5V(OLED-info)3At3’000cd/m24UsingLGproprietary“FaceSeal”technology5OLED-info29.01.15(680USD)
1Withhousingandwiring2Ini1alluminancenotspecified3Source
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 9
CommercialLED&OLEDligh2ngmodules
LargeAreaSolid-stateLigh1ng
Luminousflux(lm/EUR):LEDs>>OLEDs
(>x50)
Inordertohaveabe]ercost-performanceforOLEDs:• Reducemanufacturingcosts
o …theOLEDdisplayindustrymayhelp
• Increasetheemimngarea
o …butreducesyield&transport/handling/cleaningissues
• Increasethelumenoutput:
o …butperformancedecreaseandglare
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 10
HowtoimprovethequalityofLEDligh2ng?
LargeAreaSolid-stateLigh1ng
CTIProject«NewColor-changingfilmsforligh2ngapplica2ons»(nr.8184.1EPRP-IW)
2006-2008
Patentso EP08164280.3&US2010/0102251o US13/114.558&PCT/IB2012/052577
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 11
The«hybrid»solu2on:(O)LEDmodules
LASSIE-FP7
Heatmanagement
Lightmanagement
Colorsensor
Lumogen®FluorescentDyes
PropertyoftheLASSIE-FP7Consor:um
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 12
LargeareaLEDmodules
LightManagement&HighQualityLigh1ng
Edge-lit Direct-lit
PropertyoftheLASSIE-FP7Consor:um
• Thinformfactor(T≤9mm)
• Thick&heavylightguideo Notcompa1blewithR2Rproduc1on
• Moderateluminanceuniformity
• Colorshiqacrosstheemimngarea
• Lowefficiency
• Highuniformity(diffusers)
o …buttherule-of-thumbisT≥P
• Thinnerformfactorsarepossible
o …butwithreducedpitch,i.e.highercosts
• Highlumenoutput&efficiency
• Verylargeemimngareasarepossible
• Poten1allylowweighto …withtheuseofthin-film/on-foilop1cs
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 13
Beam-shaping«bat-wing»foils
LightManagement&HighQualityLigh1ng
PropertyoftheLASSIE-FP7Consor:um
• Pixelsofperiodicµ-structures(MLAPs)
• Narrow-anglerays:widelydeflectedoff-axis
• Wide-anglerays:unaffected
• On-foiltechnology
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 14
Highqualityligh2ng:Color-ChangingFoils(CCFs)
LightManagement&HighQualityLigh1ng
• RGBspectratunedtoV(λ):Highluminousefficacybutpoorcolorrendi1on
• Inorganicphosphors:Improvedcolorrendi1onwithlowerluminousefficacy
• CCFstechnology:Excellentcolorrendi2onwithacceptableluminousefficacy
o EfficientphosphorsàLowconcentra1ons
o Co-extrudedintothin-filmsàRoll-to-rollproduc1on
PropertyoftheLASSIE-FP7Consor:um
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 15
Intelligence:Colourfeed-back
IntelligentLigh1ng
Intelligentluminairesrequirecolourfeed-back
• Compensateforanydriqoflightoutput(e.g.ageing)
o Chroma1citypoint
o Colorrendering
• Accuratecolour-sensingfeedback
• Cost-effec1vecolourmul1spectralsensors
TargetedsoluCon
² 16CMOSphotodiodeswithdifferentfilters
² Upto16spectralchannels
CourtesyofFhGIISPropertyoftheLASSIE-FP7Consor:um
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 16
Sensorintegra2on
IntelligentLigh1ng
PropertyoftheLASSIE-FP7Consor:um
Packagedsensor
2mm
Sensorchipwire-bondedontestboard
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 17
LED-basedpolymerfoils
Ligh1ngSystemIntegra1on
Opportuni2es
• LED-basedpolymerfoilsèFlexibleligh1ngmodules
• Prin1ngandassemblywithR2Rprocesses
• Improvedperformance:
o Op1mizedelectronicslayout
o Tradi1onalelectronicSMDcomponents
o BareLEDswithnoon-chipop1cs
Challenges
• Heatmanagement
o Poorthermalconduc1vityofthepolymerfoils
PropertyoftheLASSIE-FP7Consor:um
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 18
Heatmanagement:Finalsolu2on&LEDfoils
Ligh1ngSystemIntegra1on
PropertyoftheLASSIE-FP7Consor:um
Heat management slugs • Thermal resistance: 2°C/W (module) to 0.2°C/W (luminaire) • Roll-to-Roll compatible processes
R2R LED foil • 200 mm x 600 mm • Possible to integrate with CCFs
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 19
Moduleintegra2on
Ligh1ngSystemIntegra1on
PropertyoftheLASSIE-FP7Consor:um
LEDfoilassembly• 49whiteLEDs(heatmngt.)• 84monochroma1cLEDs
Ligh2ngmodulecase Coloursensorintegrated
Finalisedtestassembly
Copyright 2016 CSEM | LASSIE-FP7 : Large Area Solid State Intelligent Efficient luminaires (lassie-fp7.eu) | R. Ferrini | Page 20
Targetedmarketcase
Exploita1on
LASSIE-FP7USPs• Highcolorrendering
o ≥90
• Highcoloraccuracy
o 3to1StepMacAdamonthePlanckian-locus
• Constantcolorover1me
o Intelligence:sensorfeedbackloop
Nichetargetmarket
• Highqualityandhighdemanding
• Ligh1nginstores&bou1ques
• Usecase:“Color-proofislands”
PropertyoftheLASSIE-FP7Consor:um
Thankyouforyoura]en2on!
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