螢光粉塗佈圖形對白光 LED 封裝效率之影響研究

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姓名

林欣瑩(Hsin-ying Lin) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

螢光粉塗佈圖形對白光 LED 封裝效率之影響研究
(Study of Packaging Efficiency of White LEDs with Different Phosphor Coating Patterns)

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摘要(中)

本論文中，將研究高濃度螢光粉塗佈式白光LED封裝體之封裝效率。利用已建構之YAG高濃度螢光粉光學模型，在相同相關色溫下，改變封裝結構之螢光粉塗佈方式、碗杯側壁高度與角度。藉由變動不同模擬參數，探討其對封裝效率之影響並分析原因。接著將進行實際封裝，並與模擬結果做比較，分析其實驗與模擬上之差異性。最後以文獻中的低濃度封裝體為參考，比較其模擬結果與實際封裝體在封裝效率的表現。

摘要(英)

In this thesis, we develop the high-concentration white-LED packaging with phosphor matrix. Based on the high-concentration phosphor optical model, we change different phosphor patterns, the height of sidewall of cup, and the angles of sidewall of cup to construct our encapsulation structure under the same correlated color temperature. By varying the different simulation parameters, we analyze how the packaging efficiency will be influenced.
In the following process, we have verification between simulation and experiment in order to analyze their differences. In the end, we consider the literature of low-concentration packaging structure, and compare the performance between simulation and experiment in packaging efficiency.

關鍵字(中)

★ 白光LED
★ 封裝效率
★ 螢光粉
★ 螢光粉塗佈圖形

關鍵字(英)

★ white LED
★ package efficiency
★ phosphor
★ phosphor coating patterns

論文目次

摘要 i
Abstract ii
致謝 iii
目錄 iv
圖目錄 vi
表目錄 x
第一章緒論 1
1.1 LED背景 1
1.2 研究動機與目的 3
1.3 論文大綱 7
第二章基本原理 8
2.1 引言 8
2.2 LED發光原理 8
2.3 螢光粉發光原理 10
2.4 色彩學 12
第三章低濃度螢光粉模型之建立 15
3.1 引言 15
3.2 螢光粉光學模型 15
3.2.1 螢光粉之散射模型 17
3.2.2 螢光粉之吸收及轉換參數 19
3.2.3 高濃度螢光粉模型之分析與驗證 24
第四章 LED封裝之探討與分析 27
4.1 引言 27
4.2 封裝效率之定義 27
4.2.1 塗佈方式之封裝效率分析 28
4.2.2 封裝結構對封裝效率之影響 39
4.3 實際封裝體之製程與驗證 50
4.3.1高濃度螢光粉陣列封裝體實作與分析 51
4.3.2高濃度陣列噴塗式封裝體與實際Remote封裝體之比較 63
第五章結論 62
參考文獻 64
中英文名詞對照表 70

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指導教授

孫慶成、楊宗勳(Ching-chern Sun Tsung-hsun Yang)

審核日期

2014-8-18

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