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姓名 甘碩傑(Shuo-chieh Kan) 查詢紙本館藏 畢業系所 光機電工程研究所 論文名稱 分析在不同白光LED光源封裝型式中添加散射微粒對空間色溫均勻性之影響
(Analysis of adding scatter particles in different package types of white LED light source for the effect of space color temperature uniformity)相關論文 檔案 [Endnote RIS 格式]
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至系統瀏覽論文 ( 永不開放)
摘要(中) 本論文主要研究在不同白光LED光源封裝型式中添加散射微粒對空間相關色溫均勻性之影響。主要白光LED設計以黃色螢光粉層覆蓋藍光晶片之傳統結構為主,利用光學軟體建立白光LED模型,模擬白光LED元件在空間角度相關色溫分佈,及模擬在螢光粉層內添加透明或具散射特性的微粒材料,以增加空間相關色溫均勻性。透過實作的方式,驗證建立的模型,經由量測設備量測不同螢光粉重量百分濃度或添加不同重量百分濃度的散射微粒,產生相關色溫的趨勢,繪出趨勢線及擬合趨勢方程式。
透過建立之光學模型,分析不同封裝型式的白光LED所產生的空間相關色溫均勻性,並在螢光粉層或封裝層內添加散射微粒,分析對於空間相關色溫均勻性的影響。
摘要(英) This thesis studies the effect of color temperature uniformity to add scattering particles in different white LED light package type. Major White LED designed for traditional structure uses yellow phosphor layer covers blue chip, using optical software simulation of the white LED element in correlated color temperature of the space angle distribution, and simulation in the phosphor layer, add a transparent or scattering properties of particulate materials in order to increase the space correlated color temperature uniformity. Through implementation, to verify the established model, use measurement equipment for measured different weight percentage concentration of phosphor, or add different weight percentage concentration of scattering particles, resulting in a correlated color temperature trend to draw the trend line and fitting trend equations.
Through the optical model, analyses of the space generated color temperature uniformity by the different packages of white LED, and add scattering particles in the phosphor layer or encapsulation layer, analysis of the impact of space-related color temperature uniformity.
關鍵字(中) ★ 螢光粉層
★ 散射微粒
★ 空間相關色溫均勻性
★ 白光LED關鍵字(英) ★ Space correlated color temperature uniformity
★ Scattering particles
★ Phosphor layer
★ White LED論文目次 摘要 ........................................................................................................ i
Abstract ................................................................................................ ii
致謝 ...................................................................................................... iii
目錄 ...................................................................................................... iv
圖目錄 ................................................................................................. vii
表目錄 ................................................................................................... x
第一章 緒論 ......................................................................................... 1
1-1前言 .............................................................................................................................. 1
1-2研究動機 ...................................................................................................................... 3
1-3相關文獻 ...................................................................................................................... 4
1-4論文大綱 ...................................................................................................................... 7
第二章 基本原理 ................................................................................. 8
2-1前言 .............................................................................................................................. 8
2-2光度量學 ...................................................................................................................... 8
2-2-1光強度(Luminous Intensity) ............................................................................. 8
2-2-2光通量(Luminous flux) .................................................................................... 8
2-2-3照度(illuminance) ............................................................................................. 8
2-2-4輝度或亮度(Luminance,brightness) ............................................................. 9
2-3色度學 .......................................................................................................................... 9
2-3-1 XYZ色度系統 ................................................................................................. 9
2-3-2色溫和相關色溫 ............................................................................................ 11
2-4 LED工作原理 ........................................................................................................... 12
2-5米氏散射 .................................................................................................................... 13
2-6螢光粉發光原理 ........................................................................................................ 16
2-7實驗儀器 .................................................................................................................... 17
2-7-1積分球 ............................................................................................................ 17
2-7-2配光曲線儀 .................................................................................................... 18
2-7-3雷射粒徑儀 .................................................................................................... 18
2-8實品製作流程 ............................................................................................................ 19
第三章 固態照明光學模型之建立與驗證 ...................................... 21
3-1前言 ............................................................................................................................ 21
3-2光學模型建立 ............................................................................................................ 23
3-3樣品製作與量測 ........................................................................................................ 31
3-3-1樣品角度及空間色溫分佈量測 .................................................................... 31
3-3-2整體色溫分佈量測 ........................................................................................ 34
3-4量測與模擬驗證比較 ................................................................................................ 35
3-5小結 ............................................................................................................................ 36
第四章 白光LED光學模型添加散射微粒建立與驗證 ................ 37
4-1前言 ............................................................................................................................ 37
4-2散射粒子選用 ............................................................................................................ 37
4-3實品製作與驗證 ........................................................................................................ 39
4-3-1固定螢光粉濃度改變添加散射微粒濃度 .................................................... 39
4-3-2改變螢光粉濃度固定添加散射微粒濃度 .................................................... 48
4-4模擬與實作驗證 ........................................................................................................ 59
4-5小結 ............................................................................................................................ 61
第五章 不同白光LED封裝型式分析 ............................................ 62
5-1前言 ............................................................................................................................ 62
5-2模擬遠端螢光粉結構分析 ........................................................................................ 62
5-3模擬遠端結構添加散射微粒分析 ............................................................................ 65
5-3-1模擬添加散射微粒進入遠端結構螢光粉層 ................................................ 65
5-3-2模擬添加散射微粒進入遠端結構封裝層 .................................................... 69
5-4小結 ............................................................................................................................ 73
第六章 結論與未來展望................................................................... 74
6-1結論 ............................................................................................................................ 74
6-2未來展望 .................................................................................................................... 75
6-3成果展示 .................................................................................................................... 76
參考文獻 ............................................................................................
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指導教授 陳奇夆(Chi-feng Chen) 審核日期 2012-8-28 推文 plurk
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