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《白光led荧光粉材料的发展现状与（present situation and development of white led phosphor materials）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、白光led荧光粉材料的发展现状与（PresentsituationanddevelopmentofwhiteLEDphosphormaterials）WhitelightLEDphosphormaterialdevelopmentstatusand.Txtbeg,butnot,butnotatall,thisisthebiggestsorrow.Paythehearttogettheheart,butmayalsohurtthoroughly.Distancecanprotectitself,butitisdestinedtobelonelyforeve
2、r.ThisarticleiscontributedbyAP0810321PptdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.DevelopmentstatusofwhiteLEDphosphormaterialsDevelopmentstatusofwhiteLEDphosphormaterials1,threemainstreamwhitelightLED
3、phosphorperformanceeachhave1000,threebigmainstreamwhitephosphor,performanceeachhasitsmerits.2.ResearchstatusofsilicatephosphorusedforwhitelightLED,researchstatusofSilicatePhosphorsforwhitelight,3,prospectandworkthatcanbecontinued,1.,threemainstreamwhitelightthreemainstreamwhiteli
4、ghtLEDphosphorperformanceeachhasitsmerits.TheperformanceofthethreemainstreamwhitephosphorwhiteLEDeachonehasitsownmeritswiththeiruniqueadvantages,knownasthefourthgenerationlightsource,hasbroadapplicationprospects,whilethewhitewhiteLEDfluorescentwhitephosphormarketdemandwillincreas
5、e.BecausethefluorescentmaterialsonimprovingwhiteLEDpowder,luminousefficiencyplayakeyroleinhighcolorandavarietyofcolortemperatureon.1.1,thepreparationmethodofwhitelightLED,whitelightThewhitelightwhiteLEDmadetheindustrygenerallyintwoways:oneisthewhitelightred,greenandblueLanGuangsa
6、nLEDmixedbluesealmountedonasubstratebyadjustingthethreecolorratiointhesynthesisofwhitelight;twoisonthesurfaceofLEDchipchipchipiscoatedwithalayerofphosphortogeneratewhitelightLED.TheblueLEDchipiscoatedwithyellowphosphorthatcanbeexcitedbybluelight.Theprincipleistouse460nmwavelength
7、bluelightchipcoatedwithalayerofYAGphosphor,theuseofbluelightLEDexcitationphosphor,toproducecomplementarywiththeBluray555nmwavelengthyellowlight,andcomplementaryyellowlightandbluelightmixedwhitelight.TheblueLEDchipiscoatedwithgreenandredphosphorsThebluelightproducedbythechipiscomb
8、inedwiththegreenlightandtheredlightemitt
