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    SIGOLED News
    Jackyben Interview Hongkong famous brand jewelry
    JackybenInterviewHongkongfamousbrandjewelry 2015-03-10October27-30,2011,inthetimeof2011HongkongLEDLightingAffair,JackybenleadSigoledteamtoreviewthefamousjewelrybrandinHongkong. HongKongistheleadingworldwidejeweleryproductsdistributioncenter,alsothejewelerydistributioncenterforprocessing.ApproachedHK,approachedthejewelrybrand,thelightgorgeousandshineofjewelrybeautifulandharmoniousintegrated.SigoledLightwillstrivetobuildaworld-renownedbrandofLEDJewelryLighting. ChowTaiFook LiuFook
    2017-1-20
    Cree adds SC5-based 3.45x3.45-mm packaged LEDs in high-density and -in
    CreeaddsSC5-based3.45x3.45-mmpackagedLEDsinhigh-densityand-intensityversions(UPDATED) 2015-07-18 SSLdeveloperscanleveragethehigherfluxoutputoftheSC5technologyplatformwithflatordomedprimaryopticsfordifferentapplications,andina3.45x3.45-mmpackageforthefirsttime. CreehasannouncedtheXHP35familyofpackagedLEDsthatwillincludeproductsinbothHighDensity(HD)versionswithadomedprimaryopticandHighIntensity(HI)versionswithaflatprimaryoptic.ThenewproductsmarktheintroductionofwhatCreecallstheSC5(siliconcarbide5)technologyplatformbeingfullyutilizedinanLEDinthe3.45×3.45-mmformfactor,orwhatCreecallstheXPfootprintbasedonpriorpackagedLEDssuchastheXP-G/G2,XP-LandXP-E/E2. CreeannouncedtheSC5platformbackinlate2014andbeganshippingthefirstXHP50andXHP70packagedLEDsatthebeginningof2015.TheXHPprefixstandsforextremehighpower,andattheSC5introductionCreesaidthenewplatformdelivereddoubletheperformanceofpriorLEDsrelativetothesamepackagesizes.Nowthatperformancecomestowhathasbeentraditionallythemostpopularfootprintforhigh-powerLEDs. Ashasbeenitscustom,CreewillusethenewLEDsandfootprintlegacytoallowcustomerstoupgradeexistingsolid-statelighting(SSL)productswiththesimplechangeofanLED."We’reexcitedthattheXHP35LEDbringstheperformanceofCree’sExtremeHighPowerLEDstotheXPfootprint,"saidJorgeFraile,CEOofHispaled."Inadditiontodeliveringanimpressiveamountoflight,theXHP35LEDallowsustoleverageexistingdriverstoachievethefullperformanceofCree’shigh-powerLEDsatlowerdrivecurrents." CreealsohaslaunchedthenewfamilyinbothoftheaforementionedHIandHDflavors.CreefirstbeganusingthetermHDtodescribenewdiscretely-packagedandchip-on-board(COB)LEDswithSC5performanceandwhatthecompanynotedasbetteropticalcontrolfactor(OCF),essentiallytoutingthebetterbeamcontrolachievablewithmorefluxfromasmallersource.Morerecently,CreelaunchedtheHILEDsintheXP-Lfamily,sayingtheflatopticmakesthesourceappearsmallerthroughasecondaryopticandenablinghighercenter-beamcandlepower(CBCP). TheXHP35packagedLEDsareimmediatelyavailableinbothflavors.TheXHP35HDLEDstargetapplicationssuchasoutdoorandhigh-baylightingthatrequiresmaximumtotalflux.TheXHP35HILEDstargetapplicationssuchasstadiumandindoordirectionallightingwithmaximumcdontarget. "Creecontinuestoredefinetheperformanceofhigh-powerLEDs,"saidDaveEmerson,vicepresidentandgeneralmanagerforCreeLEDs."TheXHP35LEDrepresentsabreakthroughthatgoeswellbeyondtheincrementaladvancesofotherLEDsuppliers.Now,morethanever,manufacturerswillbeabletotapthefullpowerofextremehigh-powerLEDstoforgelightingdesignsthatwerepreviouslythoughttobeimpossible."
    2017-1-20
    Lumileds documents long-life mid-power LED components
    Lumiledsdocumentslong-lifemid-powerLEDcomponents 2015-07-18 Luxeon3535Lmid-powerLEDsareprojectedtodeliverL90performanceof60,000hourswhenoperatedat85°Canddrivenat200mA. LumiledshasannouncedtheresultsofLM-80testingandTM-21projectionsonLuxeon3535Lmid-power,packagedLEDsthatthecompanysaidimpliescomponentlifetimethatexceedstherequirementofallmarket-transformation-programrequirementsforsolid-statelighting(SSL)luminaires.Thecompanybelievesthetestresultsprovethemid-powerdevicescapableofservingreliablyindemandingapplicationssuchasdownlights,high-bayfixtures,andtroffersaswellasinretrofitlampsincludingLED-basedT8tubes. IES(IlluminatingEngineeringSociety)LM-80isthestandardizedmethodologythroughwhichLEDmanufacturerscharacterizeLEDperformanceandlifetime basedonactualtestingofpackagedLEDsatspecifictemperaturelevels.IESTM-21allowsamanufacturerthataccrues6000ormorehoursofLM-80testdata tofurtherpredictcomponentlifetimebasedonstandardizedcalculations. Lumiledsisn’tpubliclyrevealingthetestdataset,althoughthecompanywillprovidethatdatatopotentialcustomers.Butthecompanydidreleasehighlightnumbers.LM-80testswereconductedseparatelyat55°C,85°C,and105°Cjunctiontemperatures.TM-21projectionsyieldanL90(thelifetimeto90%ofinitiallumenoutput)figureof60,000hoursforLEDsoperatedat85°Canddrivenat200mA.Lumiledssuggestthatthelifetimewouldenable13yearsoflifeforaluminaireoperated12hourseachandeveryday. Atleastonemanufacturerusingthemid-powerLEDscommentedontherecordaboutthedata."ThereliabilityoftheLumiledsLuxeon3535Lgivesmeconfidencetoratemyproductswithlonglifetimes,"saidBrianHennessey,presidentandCEOofTitanLED—amanufacturerofLEDtubes."TitanLED’scustomersappreciateourquality,whichiswhywechooseLumiledsLEDs." ThelifetimedataenablesLumiledstostatethatthemid-powerLEDscanbedeployedinproductsthatrequirecertificationtomarket-transformationprogramssuchasEnergyStarfromtheUSEnvironmentalProtectionAgencyandtheDesignLightsConsortium.Suchorganizationssetminimumlifetimelevelsandareoftennecessarycertificationsforlampsorluminairestoqualifyforrebatesandotherenergy-efficiencyincentives. High-power-focusedLEDmanufacturerssuchasCreehaveconsistentlyquestionedthelongevityofmid-powerLEDsasdocumentedinafeaturearticlefromlastyear.TheLumiledstestswouldindicatethatmid-powerLEDsinplasticpackagescanoffermorethanacceptablereliability.Ofcourse,high-powerLEDscanoperateatevenhighertemperatures,enablinghigherdrivecurrentandtherebyminimizingthenumberofLEDsrequiredinaproduct. LumiledsalsodidnotaddresscolormaintenanceintheannouncementontheLM-80data. WeaskedLumiledsifthe3535Lusedapackagedesignthatwasenhancedforlongerlife.Forexample,somecompaniesareusingepoxy-molded-compound(EMC)packageswithmid-powerLEDstoincreaselifetime,especiallyforLEDsoperatedathightemperatures.Thecompanysaidthepackageisacompositeinorganic-thermoplasticpackage. "Basedonourexperienceasaleadinghigh-powerLEDmanufacturer,wewereabletoutilizeourtechnologyknow-howtocreatetheLuxeon3535L,whichhasbecomeatopchoiceamongdiscerningLEDlightingmanufacturers,"saidRahulBammi,vicepresidentofproductmanagementandmarketing.
    2017-1-20
    Lumileds delivers second-generation COB LEDs, 10% efficacy gain
    Lumiledsdeliverssecond-generationCOBLEDs,10%efficacygain 2015-07-18 Gen2LuxeonCOBCoreRangeLEDsincreaseperformanceinthesamefootprintasthefirstroundofLumiledsCOBLEDs,enablingdevelopmenttradeoffsinperformancerelativetosourcesize. Lumiledshasannouncedthesecond-generationLuxeonCOB(chip-on-board)CoreRangeofpackagedLEDsthatdeliver10%gainsinefficacyandfluxoutput,whilematchingthefootprintofpriorproducts.CalledGen2COBproducts,thefamilyincludesCOBLEDswithlight-emittingsurface(LES)optionsthatrangefrom9–19mm. Aswithmanysecond-generationproducts,thenewLumiledsCOBLEDsofferproductdevelopersanumberofoptionsinneworrefreshedsolid-statelighting(SSL)lampsandluminaires. Thecommonfootprintmeansthatdesignscaneasilyberefreshedforhigheroutputwhileusingexistingecosystemcomponentssuchasholders,optics,andheatsinks.OrdeveloperscanreducethesizeofnewSSLproductsortakeadvantageofasmallerLESwhilemaintainthesamefluxoutputasprior-generationdesigns.AndrememberasmallerLEScanenablebetterbeamcontrolorwhatLumiledscompetitorCreehascalledopticalcontrolfactor(OCF). Lumiledsprovidedsomeexamplesofthedevelopmentoptions.Aproductthatusedthe15-mm-LES1208COBLEDscouldbeupgradedfrom3600to4000lmwithasimpleLEDsubstitution.OradevelopercouldusethenewGen2LED,keeptheoutputthesame,andrealizeanincreaseinefficacyfrom115lm/Wto140lm/W. Evidently,theperformanceupgradealsoappliestotheCrispWhitefamilyofLEDsthatLumiledsannouncedlastyearforretailandotherapplicationswhereexcellentwhite-pointandcolorrenderingisrequired. TheLEDswereannouncedatLightFairInternational2014 anduseamixofemittertypesandanewphosphorformulation. Lumiledsalsowonthe LEDsMagazineSapphireIllumineeroftheYearAward honoringtheCrispWhitedevelopmentteam. "Weareseeingtremendousdemandintheretailandhospitalitymarkets,whereouraward-winningCrispWhiteTechnologyreallyshines,"saidEricSenders,LumiledsLuxeonCOBproductfamilydirector."Theseapplicationsrequirenotjustthebestqualityoflight,butthecosteffectivenessthatgoeswithanLEDsolutionwithupto150-lm/Wefficacy." TheefficacyadvantageacrosstheGen2COBLEDsisdeliveredinpartbyimprovedcontroloftheforwardvoltagerequiredtodrivetheLED.Theprior-generationproductsfeatureatypicalratingof35.5V.Thenewdevicesdropthatfigureto34.5V–35.0V. LumiledsfirstenteredtheCOBmarketinlate2013 with9–15-mmcomponents.Thecompanysubsequentlyaddedtotheportfoliointermsofcomponentsizeandofferingsoptionsinefficacyforspecifictargetapplications suchasa9-mmLEDtargetedatPAR38applications.
    2017-1-20
     

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