高功率白光 LED 適應性車燈之光學設計

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姓名

程勉儒(Mian-ru Cheng) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

高功率白光 LED 適應性車燈之光學設計
(Optical Design of Adaptive Automotive Headlamp Based on White-light LEDs)

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摘要(中)

本論文中，我們設計一款高有效利用率適應性汽車頭燈，其光形符合歐洲車輛檢測法規ECER112之汽車遠燈光形及近燈光形。在近燈設計中，我們設計出一款具有特殊切削結構之投影透鏡，藉此提高近燈光形的對比度。在適應性遠燈的設計中，我們在光源封裝上加入一對平行面鏡置於LED晶片上下兩側，達到提升縱向照明範圍與節省LED晶片數之效果。最後，利用實驗得到的光形來驗證模擬結果。

摘要(英)

In this thesis, we design an adaptive headlamp with high optical utilization factor. The light pattern is designed to meet the ECE R112 regulation for automotive low beam and high beam. A projection lens with a specific cutting shape to enhance the contrast is designed and applied to the low beam in the study. In the adaptive high beam, we propose a specific packaging structure with a parallel mirror pair to extend the illuminating region in the vertical axis, and also reduce the need of LED number. Finally, experiments with the prototype are done to verify the design and the simulation.

關鍵字(中)

★ 汽車近燈
★ 汽車遠燈
★ 高功率白光LED

關鍵字(英)

論文目次

摘要 I
Abstract II
致謝 III
目錄 V
圖索引 VIII
表索引 XIII
第一章緒論 1
1.1前言 1
1.2 LED發展介紹 2
1.3 LED於汽車頭燈應用與市場分析 5
1.4適應性車燈類型簡介 9
1.5研究動機 14
1.6論文大綱 17
第二章基本理論 18
2.1幾何光學 19
2.1.1費馬原理與折射定律 20
2.1.2反射定律 22
2.1.3菲涅耳方程式 23
2.1.4光展量 (Étendue) 24
2.2輻射光度學 26
2.2.1輻射學 29
2.2.2照度餘弦定理 35
2.3中場擬合法 37
第三章 LED 汽車近燈設計 40
3.1歐盟車燈檢測法規 (ECE R112) 近燈概述 40
3.2 LED 汽車近燈設計 43
3.2.1近燈法規面能量評估 44
3.2.2設計概念 45
3.2.3透鏡設計 47
3.2.4模擬結果與分析 54
3.3實驗驗證 57
第四章適應性LED遠燈光學設計 60
4.1歐盟車燈檢測法規 (ECE R112) 遠燈概述 60
4.2適應性LED遠燈設計 61
4.2.1遠燈法規面能量評估 62
4.2.2適應性LED遠燈設計概念 63
4.2.3模擬結果與分析 65
4.3實驗驗證 70
4.4實驗誤差分析 74
4.5 3D實境模擬 76
第五章結論 77
參考文獻 79
中英名詞對照表 85

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指導教授

孫慶成(Ching-cherng Sun)

審核日期

2014-8-25

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