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研究生:王冠仁
研究生(外文):Guan-Ren. Wang
論文名稱:高功率三原色LED之特性分析
論文名稱(外文):Characteristic Analysis of High Power RGB-LED
指導教授:顏豪呈
指導教授(外文):Hau-Cheng. Yen
學位類別:碩士
校院名稱:和春技術學院
系所名稱:電機工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
中文關鍵詞:高功率三原色LED電氣特性光學特性
外文關鍵詞:High Power RGB-LEDElectrical CharacteristicsOptical Characteristics
相關次數:
  • 被引用被引用:7
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  • 下載下載:163
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本論文主旨為研究高功率三原色LED在不同驅動電流型態、環境溫度、使用時數、光學特性及電氣特性之影響。本論文在進行實驗前,為確保實驗的準確性,針對測量過程作測試,並得到符合本論文需要的實驗程序,以求正確的實驗結果。針對1W三原色LED使用定電流驅動方式及脈波驅動方式,操作在100mA~350mA,控制環境溫度在10oC~70 oC,觀察三原色LED光學特性及電氣特性。另外,針對三原色LED進行長時間測試,將LED放置在溫度箱並操作在額定350mA,分別控制溫度在40 oC、50 oC、60 oC、70 oC長時間點燈,每隔500小時測量一次,觀察三原色LED在長時間使用下的光學特性及電氣特性。本論文藉由改變驅動電流及溫度控制的組合實驗,更了解三原色LED的特性,提供未來針對LED驅動設計的依據。
The operating characteristics of high power RGB-LED are investigated in the thesis, including the effects of the driving current type, something characteristics about electrical and optical, ambient temperature, and used-time. Before conducting experiment, this thesis is aimed at the process of measure, in order to ensure the experimental accuracy, it would obtain the needful procedure of experiment. To observe the RGB-LED characteristics of optical and electrical, this thesis focus on 1W RGB-LED to use the driving way of constant currents and pulse wave currents when control every 50mA interval from 100mA to 350mA and every 10oC interval from ambient temperature 10oC to 70oC. Additionally, in order to observe the RGB-LED characteristics in long used-time, we would deposit the RGB-LED in a chamber and operate at the constant current 350mA, then it would light up long time with the temperature at 40oC, 50oC, 60oC, 70oC, individually, and which is measured every 500 hours. This associated experiment more realize the characteristics of RGB-LED, it would provide the future with foundation of the LED driving cogitation.
中文摘要 …………………………………………………………………I
英文摘要 …………………………………………………………………II
目錄 ……………………………………………………………………III
圖目錄……………………………………………………………………V
表目錄…………………………………………………………………VIII
第一章 簡介………………………………………………………………1
1-1 研究動機………………………………………………………1
1-2 論文大綱…………………………………………………………7
第二章 LED光學特性……………………………………………………8
2-1 積分球量測系統…………………………………………………9
2-2積分球新型量測流程……………………………………………12
2-3 CIE簡介…………………………………………………………19
2-4 LED光學特性測量………………………………………………23
第三章 LED電氣特性……………………………………………………29
3-1 直流驅動及脈波電流驅動電路…………………………………29
3-2 驅動電流型態的影響……………………………………………31
3-3 發光效率…………………………………………………………36
第四章 環境溫度對LED特性的影響……………………………………39
4-1光通量……………………………………………………………39
4-2波長………………………………………………………………42
4-3 XY色度……………………………………………………………46
4-4 等效電阻…………………………………………………………49
4-5發光效率…………………………………………………………55
第五章 使用時數對LED特性的影響……………………………………59
5-1光通量……………………………………………………………59
5-2波長………………………………………………………………63
5-3 XY色度……………………………………………………………67
5-4 電氣特性…………………………………………………………75
5-5發光效率…………………………………………………………80
5-6受損狀況…………………………………………………………84
第六章 結論及未來研究方向……………………………………………87
參考文獻…………………………………………………………………91
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