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1、照明级大功率led技术（HighpowerLEDtechnologyforlightingstage）Lightingclasshigh-powerLEDtechnology,.Txtchildhoodfeelfatherisnotsimple,andlaterfeelthatheisnotsimple,andlaterfeltthathischildisnotsimple.Themoreyouwanttoknowwhetheryouhaveforgottensomething,thebetter
2、youremember.ThisarticleiscontributedbyRichard_chan86PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.March2006lampandlighting30volumefirstLightsourceresearchHighpowerLEDtechno
3、logyforlightingstagePeiHongShen(HuadongElectronicsGroupCo.,Ltd.,Nanjing210028)Abstract:ThispaperintroducesthedesignandtechnologyofhighpowerLEDlighting,thekeyisthechipandpackage,thenewcrystallinetwo-dimensionalphotonicstructuregreatlyimprovestheluminou
4、sefficiency,oneofthenewtechnologyforhighpowerLEDlighting.Keywords:packagingtechnology;two-dimensionalphotoniccrystalstructure0PrefaceThemajorlightinganddisplayprogramsfrom2004to2005areavailableInsteadofsmallpowerLEDdevicesbecomemainstream,semiconducto
5、rlightingdevicesareinevitable.However,theencapsulationmethodsandpackagingmaterialsofconventionallow-powerLEDdevicescannotbeeasilyappliedtothepackagingmethodsofhigh-powerLEDdevices.Largepowerdissipation,largeheatingcapacityandhighluminousefficiencybrin
6、gnewandhigherrequirementstoourpackagingprocess,packagingequipmentandpackagingmaterials.FoundthatLEDasanapplicationlightsourceofelectronicproductshavebeenextendedtoLCD,TVbacklightmodule,headlights,projectorsandauxiliarylandscapinglightsource,etc.Applic
7、ation.Withtheincreaseofluminousefficiency,productlifeandapplicationmode,thedemandforpowerLEDwithhighbrightnessandhighefficiencyhasshownagreatincrease.FromLED1970to2003morethanthirtyyearsofdevelopmentprocesscanbeseen,LEDluminousfluxwillincreaseabout2.2
8、timesevery16~20months.Itisexpectedthatwithinfiveyears,thelightefficiencyoflightinggradehigh-powerLEDdeviceswillreach100lm/Wwillbepossible.LightingstagehighpowerTheimprovementofthelightefficiencyofLEDdevicesdependsontheimprovementoftheopticalef
