歐洲LED公司的LED燈具介紹_圖文

1、 ØThe Lighting Market for LEDsØBasic market splitØApplication SegmentationØArchitectural ØAccent decorative ØMachine vision ØChannel Letter ØIllumination/general lightingØMajor challenges in General LightingØTechnology comparison to conventional ligh

2、t sources ØTechnology challenge efficiency, costs and CRIØThe importance of LED-Systems in the Lighting MarketØDifferent LEDs, Technologies and Power classificationsØQuality in LED systems: thermal, electronics, optics, regulations,ØWhy need of a LED SystemØTypical LED-

3、System structureØSummary LEDs for Lighting Applications The Lighting Market for LEDs Basic market split for lightingProducts:LED based luminaries orsystems for use and sale tomultiple customers Projects:LED products to create special lighting settings for specific illumination applications (e.g

4、. illumination of architectureThe lighting market for LEDs typically luminariesTypical attributes “Products”: The lighting market for LEDs architectural, bars, etc.Typical attributes “Projects”: The lighting market for LEDs-normally one “order”-mainly very short delivery times requested-difficult to

5、 plan production-often followed by project announcement-special requirements, sometimes to match with “standard products” ->customization necessary-RGB as well as mono + white, but mostly RGB Lighting Market Segmentation by Application Architectural lighting:Benefits of LEDs in architectural ligh

6、ting-RGB easy possible and mainly used-no mechanics for color mixing -no destruction of lamp during installation-quick color changing possible-energy saving-long lifetime; important when lamp maintenance is difficultApplication SegmentationChallenges-homogeneity of light, esp. for wall washing-trend

7、 to sealed/encapsulated LED modules for outdoor use-strongly project driven Benefits of LEDs in decorative lighting-easy to create a special mood by the use of colored LEDs -easy to set up eye catchers (esp. retail-LEDs are a kind of fashionApplication SegmentationChallenges-warm white and high CRI

8、needed for retail-strongly project driven-many small customers with low knowledge in LEDtechnology -> systems needed Accent, decorative: e.g. in retail, residential, spa Benefits of LEDs in Channel Letters-alternative to glass based lamps-small installation-height of LED-modules compared to neon

9、-good homogeneity for flat letters-low power consumption + long lifetime -> cost savings-low voltage operationApplication SegmentationChallenges-penetration into large letters-humidity protection for electronic devices on LED modules Channel Letters, Light Advertising Machine Vision:Benefits of L

10、EDs in machine vision applications-narrow spectrum (red and near IR-can be installed at vibrating machines, because LEDs are robust-long lifetime: minimal downtime for production machines-small dimensions, flexibility in design:lines, rectangles, rings of almost any sizeApplication SegmentationChall

11、enges-highly fragmented market, hundreds of applications- often customization necessary Benefits of LEDs in Illumination, general lighting-lifetime + efficiency: cost saving by regarding total cost of ownership -lack of UV and IR in the light beam (important for merchandise-ability to select color t

12、emperaturesApplication SegmentationChallenges-achieve higher efficiencies (lm/W -High CRI needed-competition of conventional light sources (esp. CFL Illumination, general lighting: especially high power white light Major Challenges in General Lighting Challenges for general Lighting Lifetime h42Tota

13、l system efficiencylm/W80% -90%Luminaire efficiency 80% -90%Driverefficiency Real 159Typical Efficiency lm/WLEDDefine total system efficiency of a 1W white LED Challenges for general Lighting10.0004140% -80%80% -90%80Metal HalideLifetime h6138238442Total system efficiency lm/W40% -80%50% -70%50% -60

14、%30% -50%30% -50%80% -90%Luminaire efficiency 80% -90%80% -90%80% -90%100%100%80% -90%Driverefficiency 12075502010Real 159Typical Efficiency lm/WHighpressure sodiumFluorescentCompact FluorescentHalogenIncandescentLEDComparison to conventional light sources (white Challenges for general LightingChall

15、enge: decrease costs7055604278,223,814,87,6191450-70Luminous efficiency (lm/W200007,54,811,51,0927,30,75,94,631,526-50Initial cost ($/klm266095Fluorescent T12, Fluorescent T5900210Compact fluorescent, screw baseCompact fluorescent, bi-pin60-135High Power LEDs950140Halogen capsule lamp, 120V, bi-pin8

16、90114Incandescent, screw base3850Ceramic metal halide, screw baseLight Output (lumensSource: Strategies Unlimited Report 2007ØInitial costs per 1000 lumens of white LED light are 2 50 times higher than conventional light sourcesØlong lifetime, energy savings, low maintenance costs can help

17、 tocompensate the high initial costs ofLEDs over lifetime Challenges for general LightingTechnology challenge “quality” of white light:Reduction of binnings, e.g. one warm white + one cold white Challenges for general Lighting-Conventional LED-solutions offer Ra between 60 and 83 (CRI-Group 2 or 1B-

18、Primarily a challenge to phosphor technology-just a few LED-lamps offer CRI >90 (CRI group 1AHigh CRI color spectrum (cool whiteConventional color spectrum (cool whiteR e l a t i v e S p e c t r a l P o w e r Technology challenge “quality” of white light: High Color rendering index Challenges for

19、 general LightingDesired white LED module for luminaries Optimized binningtwo very narrow colour bins (eye can see no difference in one binning in warm-and cool white, release customers from own binning responsibilityMin. & typical lumen value and colour coordinates at real (Tc=80°C operati

20、ng conditions High colour rendering index (Ra > 90!CRI-Group 1A (max. possible!LED-solutions offer Ra between 60 and 83 only (CRI-Group 2 or 1BHomogeneous light spot due to optimized secondary opticsOptimal illumination spot without yellow ringDifferent viewing angles,No further light loss by lum

21、inaryOptimized thermal design<5K/W thermal resistance junction to casing enables efficient luminary designwith high lumen output after thermal stabilization. Customer hasonly to verify suggested casing temperature.Verified lifetime40.000h; 70% lumen maintenance at real (Tc=80°C operating con

22、ditions Importance of LED-Systems for the lighting market Without LED Systems customer must understand Without LED Systems customer must understand Thermal design (esp. for HighPower applications Optical designElectrical designRegulations/standardsIEC 61347-2-13safety control gearsIEC 62384performan

23、ce control gearsIEC 62031Safety LED modules (not yet publishedIEC 60838-2-2LED connectorsWithout LED Systems customer must understand Why need of a LED-System? ØLighting market is strongly diversified:very small companies as well as large companiesØMany of typical lighting manufacturers ar

24、e used to conventional lamps and have to install competence in LED technologies orØEnabling partners are necessary to bride these gab and offer system solutionsTypical LED-System structure LED Modules 24 V or 12V Control Modules Typical interfaces: manually control DMX Remote IR DALI 1-10V Inte

25、gration possible Converters Different wattages (e.g. 10-130W for different output voltages (10-24V possible voltage driven Low + High Power Integration possible 350mA, 700mA, 1050mA or more const. current drivers “mono” current driven const. current drivers “mono + dim. function” Const. current driv

26、ers “3 channel RGB” Summary Ø Ø Ø Market is basically spitted into “Projects” and “Products” Market can be more detailed segmented by applications (architectural, Major challenges for LEDs in general lighting with white light are to increase efficiency by decreasing costs and to create “high” quality