Dam-Hansen, Carsten

Online Research Database In Technology

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Downloaded from orbit.dtu.dk on: Dec 17, 2017New LED Lighting in Display Cases at Rosenborg CastleDam-Hansen, CarstenPublication date:2010Document VersionPublisher's PDF, also known as Version of recordLink back to DTU OrbitCitation (APA):Dam-Hansen, C. (2010). New LED Lighting in Display Cases at Rosenborg Castle [Sound/Visual production(digital)]. NordLED 2010, Copenhagen, Denmark, 01/01/2010, http://www.centerforlys.dk/ekstra.php?id=8912. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 1Energy efficient and high qualityLED illumination system for display cases12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikB l l d [ ]Carsten Dam-Hansen, DTU FotonikDTU Fotonik, Department of Photonics EngineeringEducational and research institute at the Technical University of DenmarkTelecommunication and optical technologies190 employees incl. 60 Ph.D.-students80 M.Sc. candidates and 15 Ph.D students per yearLED group:Research projects on LEDs, materials and characterisationMaster course on LED and PV technologyAnnual Industrial LED conference/workshop12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikApplication specific R&D projects in collaboration with Danish industry andDanish Energy AssociationTest & characterisation of LED systems/products12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 2R&D projectResearch and development project on energy efficient and high quality lighting. Collaboration between:The Royal Danish Collections, Hazze Nyström Lumodan, Brian MarkussenDTU Fotonik, Department of Photonics EngineeringFinanced by the Danish Energy Association under ELFORSK grant no. PSO 339-02912. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikKvorning Design & KommunikationThe exhibition display casesRosenborg Castle, CopenhagenThe Royal Danish Collections   Denmark’s greatest cultural treasuresThe Treasury in the Palace basementCrown Jewels and the12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonik    Danish Crown RegaliaHigh security display cases12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 3The present illumination 5 W pinol incandescent bulbsBølgelængde [nm]Warm and reddish light, CCT = 2200 KWavelength [n ]12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikColor rendering, CRI ~ 99Energy inefficient,  < 3 % visible light ~ 5 lm/WDimming through number of bulbs130 – 150 W pr. display caseN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikThe present illumination 5 W pinol incandescent bulbsBølgelængde [nm]Wavelength [n ]12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikLarge amount of IR-radiationDisplay cases are heated during illumination, 9-12 deg. Causes humidity variations and deterioration of objectsShort lifetime < 1000 hours, large exchange expensesN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonik12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 4LED as an alternativeHigh power LEDs (~ 1-5 W, 50-200 lm)Compact robust units with high luminousflux and high energy efficiencyCold and neutral white LEDs6500 – 3500 K, 104 lm/WWarm white LEDs12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU Fotonik3500 – 2700 K, 81 lm/WNo UV and IR-radiationLong lifetime 20.000 – 50.000 hours, if efficiently cooledOn-site spectral designVisual inspection and evaluation of spectrally designed LED illuminationBølgelængde [nm]12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU FotonikComputer controlleddemonstration LED light sourceReference:5 W incandescent bulb at 2200 K12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 5Spectral designVisual inspection and evaluation of spectrally designed LED illumination12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU FotonikWarm white LED CCT = 2960 K Ra = 90CCT = 2760 K Ra = 9561773 920400 450 500 550 600 650 700Color qualityCorrelated color temperature: CCT = 2199 KColor rendering:Object Rai97.499.693.694.997.496.798.1CRI = 97.0 [Planckian 2199 K]12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU FotonikCCT = 2369 K Ra = 95Bølgelængde [nm]98.795.097.391.297.797.894.4Wavele th [nm]12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 6Color qualityProblems with LED color mixing usingLED clusters is the appearance of colored shadowsDesigned a new optical system:Mixes the light perfectly and producesdiffuse light with no colored shadowsLow efficiency : 50-60 %Measured intensity as a functionof angle, close to a cosine di t ib ti12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU Fotoniks r u onColor qualityNew optical system: Investigation of the color distributionMeasured chromatic coordinates as aM d l t d l     function of angle. 12. November 2010, NordLED Copenhagen                                                                                        Carsten Dam-Hansen, DTU Fotonikeasure  corre a e  co or temperature as a function of angle: CCT = 2200 K.Homogeneous light quality with no colored shadows.12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 7PinolLEDA new energy efficient and high quality LED illumination systempinolLED2200 K, CRI > 93No colored shadowsLow glareEnergy efficiency > 25-30 lm/W 26 32 W pr case > 75% energy saving12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU Fotonik -   . ,    Low heating of the display case (< 1 deg)Lifetime > 25.000 hoursDimmable without color changeBlue background is enhancedN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikPinolLEDSkatkammeret på RosenborgLED illumination rail system12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonikDesign: Kvorning Design & Kommunikation ©12. november 2010, NordLED 2010Carsten Dam-Hansen, DTU Fotonik, cadh@fotonik.dtu.dk p. 8PinolLEDSkatkammeret på Rosenborg PinolLEDPinol incandescent bulbs~ 130 W ~ 30 W12. november 2009 Fuglsø                                                                                                     Carsten Dam-Hansen, DTU FotonikCarsten Dam-HansenPaul Michael PetersenPeter PoulsenHazze Nyström, DKKSBrian Markussen, LumodanKvorningDKKS, Kvorning Design & Kom unikationLumodan og DTU FotonikN r 10, NordLED Copenhagen               Carsten Dam-Hansen, DTU F tonik

New LED Lighting in Display Cases at Rosenborg Castle

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New LED Lighting in Display Cases at Rosenborg Castle

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