具濾波與靜電防護基板應用於交流發光二極體封裝之研究

study of rectifying and electrostatic discharge protection substrate applied on AC light-emitting diodes package

廖永羿(Yong-Yi Liao)

指導教授 ： 陳文瑞

共同指導教授 ： 謝振榆

國立虎尾科技大學/電機資訊學院/光電與材料科技研究所/碩士(2010年)

摘要

鑒於在相同功率下AC LED光功率低於DC LED，因此本論文提出利用濾波電容提升光功率之效果，針對目前主流封裝矽基板為主以IsSpice軟體為輔，分析了濾波電容、靜電防護、螢光粉殘光效應、整流電路、交直流熱反應、功率因數等方面，並且建立AC LED、TVS模組進行實驗，快速得到模擬結果與應用。成功地利用濾波電容效應提升光功率約為15％左右並且分析電容的製程；具有靜電防護的AC LED探討了抗靜電能力提升與製程困難；另外在螢光粉應用方面，使用了電泳法沉積螢光粉並利用YAG特性「殘光時間」與交流訊號頻率改變驅動LED激發之效應，提高了外部量子效率5％；解析了功率因數影響並且以提高驅動電壓與電流電壓同步等方式提升功率因數。
提出濾波電容提升光功率、整流電路、靜電防護等以上元件皆可製程於在Si基板上，並且利用IsSpice模擬電路結果，藉此改善AC LED劣勢。

關鍵字

交流發光二極體 ； 濾波電容 ； 靜電防護 ； 發光二極體模擬

並列摘要

Due to the output light power of Alternating Current (AC) LED is lower than Direct Current (DC) LED in the same input power, therefore the proposal to improve light power utilizing the capacitor of a rectifying in this thesis, mainly according to Silicone base LED package and IsSpice software subsidiary, analyzed that capacitor of rectifying, ESD protection, the phosphor characteristic, rectification circuit, thermocouple effect of AC and DC, power factor, moreover, set up AC LED and TVS model on the experiment, receive simulation result and application fast. Succeeded in increasing 15% of light power utilizing the capacitor of a rectifying and analysing capacitor process; Having AC LED with ESD protection analysing the ability of ESD resistance and process; In addition, the application of the phosphor characteristic, we use EPD (electrophoresis deposition) to deposit phosphor and use the YAG characteristic of “decay time” with the frequency of alternating current to change the effect of LED, have improved 5% of external quantum efficiency; analyzed influence of the power factor on circuit and improved the power factor by the method of raising propel voltage and current voltage simultaneously etc..
Propose to capacitor of a rectifying improved light power, rectification circuit, and ESD protection; from above component all can be processed in Silicone base; and improve AC LED inferiority by the result of simulate the circuit with utilizing IsSpice.

並列關鍵字

AC LED ； rectifying capacitor ； ESD protection ； LED simulation

參考文獻

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