LED光譜特性分析與優化

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姓名

胡佐國(Tzuo-Guo Hu) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

LED光譜特性分析與優化
(Characterization and Optimization on LED Emission Spectrum)

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摘要(中)

本論文由分析光譜擬合特性參數並優化，得到不同色溫下最佳演色性之光譜。從實驗室以往累積的光譜資料與模型為基礎，藉由擬合光譜，找出特性參數之關係趨勢與限制範圍，並藉由基因演算法得到不同色溫下最佳演色性之光譜組成。利用此種方式，將特性參數條件增加，能找到不同LED更真實存在的最佳演色性光譜。

摘要(英)

In this thesis, the LED spectrum with optimal chromatic characteristics has been obtained for various correlated color temperature. First, it is found that the general LED spectrum can be represented by 10 featured parameters. As fitting the spectrum to the LED spectral model, all the 10 featured parameters are easily to extract. Then, the possible range for these 10 featured parameters is discussed. Finally, the optimal LED spectra for every CCT is obtained by the global optimization algorithm.

關鍵字(中)

★ 光譜
★ 優化
★ 發光二極體

關鍵字(英)

論文目次

中文摘要 I
Abstract II
致謝 III
目錄 V
圖目錄 VIII
表目錄 XIII
第一章緒論 1
1-1 研究背景 1
1-2 研究動機與目的 5
第二章基礎理論 6
2-1 色彩學 6
2-1-1 CIE 1931 XYZ色彩空間 7
2-1-2 CIE 1960&1976 UCS色彩空間 9
2-1-3 黑體輻射與相關色溫 10
2-1-4 演色性 13
2-2 LED結構 15
2-3 YAG:Ce3+螢光粉之光學性質 16
2-3-1 YAG:Ce3+能階結構 17
2-3-2 激發頻譜、輻射頻譜與光譜擬合 19
2-4 LED混色公式 22
第三章光譜特性分析 24
3-1 藍光光譜 26
3-2 螢光粉輻射光譜 28
第四章最佳演色性白光光譜 33
4-1 全域優化 33
4-2 優化結果 34
4-3 優化條件限制 39
4-3-1 依數據分析限制 42
4-3-2 依物理分析限制 50
4-3-3固定藍光半高全寬 55
4-4 討論分析 59
4-5總結 63
第五章結論 67
附錄A 積分球架構 70
A-1 積分球 70
A-2 系統校正 71
A-2-1 波長校正 72
A-2-2 強度校正 74
參考文獻 79
中英文名詞對照表 85

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指導教授

楊宗勳

審核日期

2018-8-23

推文