第1页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共6页HotLEDlightingmarketLEDsismentionedcontinuouslyonthemainstreammediaallovertheworld.ThegovernmentsworldwidearemakingpolicytopushthereplacementfromtraditionallightingtomoreenvironmentalfriendlylightingsolutionsparticularlyLEDlightingforbothpublicandprivatelightingapplicationssuchasEU,Japan,andCanadaforbidusingincandescentbulbsafter2012.HighpowerLEDsasthemostpromisingproductamongLEDsfamilyarebeingmoreandmoreappliedinlamp,electronicappliance,decorativeandotherlightingapplications.第2页共6页第1页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共6页ThereasonhighpowerLEDsissohotandLEDmarketboostsinthe2009regardlessthedeclineofeconomyistwo-fold.Firstlytheyaremoreenergyefficient.Theycanoffermorelumensperwattcomparedtotraditionallights.Inmostcasehighpowerledconsumespowerfrom1wto10wwhichareverylowlevel.PlushighpowersLEDsismercury-freewhileCFLcontainsafewamountofmercury,manycitiesstarttolimittheuseoflampswithmercurycomposition,soLEDtechnologieshasadvantageoverCFLintermsofrequirementofhazardousmaterialfree.HighpowerLEDsalsohaveamuchlongerlifethanincandescentlightbulbs.Usuallyaledcanlast10timeslongerthananincandescentbulbresultsinmuchlessupkeep.第3页共6页第2页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共6页ThetechnologicalbreakthroughinrecentyearssignificantlyimprovedthelightingqualityofhLEDs.Theynowcanemitlightsthatismoreclosetosunlight.MoreoverwarmwhiteisavailableasoptionforLEDsbyutilizingautomatedsystemsforsorting.Itwasthankstoadvancementsinphosphorcoatingsandexperiencefrombatchproductionthatsuchsystemsareinvented.FurtherimprovementsweremadeinLEDrenderingbecauseRGBLEDsgainmorestabilityincolormixingduetotheintroductionofhighpowerleddrivers.LEDshavesmallsizeandcanbeusedcombinedwithotherelectricalcomponentsuchassensor,dimmersandlightingcontroltoachievedesiredeffectthatothertraditionallightsnotableto.WithexcellentefficiencyandlightperformancehighpowerLEDsisgettingpopularityinnumerouslightapplications.第4页共6页第3页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第4页共6页Developedinthe1960’s,LEDlightinghasnowbecomingavailableintheresidentialspacelightingmarket.TheAdvantagestoLEDLightBulbsare:1.SaveMoneyandElectricityTheefficiencyofthenewLEDlightbulbsismorethaneighttimesthatofincandescentlights,andtwiceasthatofCFL’s(compactfluorescentlights).LEDbulbsalsoemitamuchhigherpercentageoflightinonedirection.Thismakesthemevenmoreefficientcomparedtoeitherincandescentorfluorescentfortasklighting,desklamps,readinglights,spotlights,floodlights,andtracklighting.第5页共6页第4页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第5页共6页LEDlightsalsogenerateverylittleheat.Theenergysavingsmayincreaseinair-conditionedenvironmentswhereeachwattofincandescentlightingcanaddanotherwattormoretothepowerneededforairconditioning.2.InstantfullbrightnessFluorescentlightswhenfirstturnedonaredim,andgetbrighterastheywarmup.Dependingonthetemperatureandtheageofthebulb,thiscantakeaquiteawhile.Ifitiscoldenough,theywillnotwarmupandremaindimiftheylightatall.LEDlightsalwaysstartatfullbrightness.Thisprovidessafetyandsecurity,eveninthecoldestweather.Ifonadimmer,makesurethedimmerismadeforLEDbulbs.3.NoMercury.第6页共6页第5页共6页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第6页共6页Fluorescentlightscontainmercuryandmustbetreatedashazardouswaste.LEDlightingcontainsnomercuryorotherdangeroussubstances.4.NoUltraviolet(UV)light.LEDlightsemitnoultravioletlightthatcausesfadingandagingofartworkorothersensitivematerials.Fluorescentandhalogenlightscancausesignificantdamagetomanymaterialsovertime.5.FewerBulbReplacements.ThelonglifeofLEDlightbulbsreducethetime,effortandcostofreplacement.LEDbulbscanoperateforalmost30,000hoursor10yearsormore.Onebulbcaneasilyoutlastatleast30incandescentbulbs,orabout6compactfluorescentbulbsoperating8hoursperday.