劉東岳 陳昊 高曉飛 張少博 于悅 董麗敏
0 引 言
白光LED做為新一代的固態(tài)照明技術,具有綠色環(huán)保、高效節(jié)能等優(yōu)點[1-4],在舞臺照明、廣告宣傳和液晶顯示等領域具有廣泛的應用。白光LED從光產(chǎn)生方式上大致分為無熒光粉型和有熒光粉型兩大類[5-8]。其中有熒光粉型白光LED又稱為熒光轉(zhuǎn)換型白光LED,它具有成本低、工藝簡單、便于安裝維護等優(yōu)點,在日常生活中具有廣泛的應用,是目前照明市場上的主流產(chǎn)品[9-15]。因此,探索新型熒光粉是近年來國內(nèi)外學者研究的熱點,提高熒光粉的發(fā)光效率、發(fā)光質(zhì)量和改善散熱結(jié)構是探索新型熒光粉的重中之重。
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(編輯:關 毅)