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研究生:蕭愷緯
研究生(外文):Kai-Wei Shiau
論文名稱:散射粒子在螢光轉換白光LED中對光色特性之影響
論文名稱(外文):Research of Photometric Characteristics of YAG pcW-LED with Scattering Particles
指導教授:楊宗勳楊宗勳引用關係孫慶成孫慶成引用關係
指導教授(外文):Tsung-Hsun YangChing-Cherng Sun
學位類別:碩士
校院名稱:國立中央大學
系所名稱:光電科學與工程學系
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:2017
畢業學年度:105
語文別:中文
論文頁數:89
中文關鍵詞:散射粒子光通量螢光粉減量空間色溫均勻度
相關次數:
  • 被引用被引用:2
  • 點閱點閱:179
  • 評分評分:
  • 下載下載:5
  • 收藏至我的研究室書目清單書目收藏:0
本論文研究散射粒子TiO2摻入YAG螢光粉當中對光色特性之影響。以實驗室團隊既有之螢光粉粒子數與光通量關係函數為基礎,擬合螢光粉摻入散射粒子後光通量的變化關係,並找出關係函數中參數的變化趨勢,最終估算在實驗架構中能使光通量最大化時散射粒子的摻入濃度,以及固定色溫下摻入各濃度散射粒子的光通量表現。分析中利用擬合結果探討摻入散射粒子對光通量提升,螢光粉轉換效能及螢光粉減量之影響。
In this thesis, we discuss the effect of TiO2 scattering particles on photometric characteristics of pcW-LED. Based on the discovered relation between the output power of pc-WLED and the phosphor particle numbers, we can estimate the maximal output power with any specific CCT of pcW-LED and their corresponding concentration of scattering particles needed. In addition, the Y/B conversion efficacy of phosphor and the reduction of the phosphor are also explored in depth.
摘要 Ⅰ
Abstract Ⅱ
致謝 Ⅲ
目錄 Ⅴ
圖目錄 Ⅶ
表目錄 Ⅻ
第一章 緒論 1
1.1 前言 1
1.2 LED發展 2
1.3 研究動機與目的 4
1.4 論文大綱 5
第二章 基本原理 6
2.1 螢光粉發光原理 6
2.2 米氏散射 10
2.3 光視效能 12
第三章 螢光粉摻入散射粒子之光色特性 14
3.1 散射分析與模擬 15
3.2 光色特性測量與擬合 26
3.2.1 光通量量測與函數擬合 28
3.2.2 頻譜分析 34
3.2.3 散射粒子對相關色溫及空間色偏影響 40
3.2.4 螢光粉參散射粒子之光通量預測 44
第四章 螢光粉參雜散射粒子之效率分析 51
4.1 定YAG粒子數之轉換效率、色溫及光通量變化分析 51
4.2 定相關色溫之螢光粉減量及相對光通量比例分析 56
第五章 結論 60
參考文獻 63
中英文名詞對照表 69
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