臺灣博碩士論文加值系統

隨著科技發達，行動通訊普及，影音娛樂的電子產品需求大增。從以前的隨身聽，變成現在可以隨身觀看影音的MP4、隨時上網的手機等等，加上商務上的需求，筆記型電腦需求大增。但由於這些電子產品大多提供畫面於個人使用，必須外加投影機才能供眾人一起看到畫面。本論文提出整合前投影以及背投影的雙模投影系統以便於達到以上所要的目的。
本論文將探討微型投影機的模擬設計並應用於可攜式元件的雙模投影，投影機設計分別探討其照明及成像兩部分，照明部分利用非序列性的光學模擬軟體做模擬分析，主要是模擬分析並設計出一個光學架構，將RGGB 四個chip的二極體Lambertian光源收入一微型顯示器。成像部份，則是利用序列性的光學模擬軟體，根據微型顯示器的規格，設計一組投影鏡頭將影像投影出去。並作系統整合成雙模投影。
並且本論文將提出兩種不同的方法來達成雙模投影顯示系統，希望藉投影的方式為單一影像源達到可攜式產品個人使用及眾人觀看畫面的目標。

The portable electronic products become more and more popular, because people can use these products for Video Entertainment and Business everywhere. The consumers can only receive the information from display images themselves. To share the image, they have to set up another projection device. This thesis proposes dual-mode projection display system to solve the aforementioned issue.
This thesis will discuss the design of pico-projector applied in dual-mode projection display system. There are two parts in the design of pico-projector, one part of illumination use the non-sequential optical software for optimization. The other is the design of projection lenses. And then integrate the front projection and rear projection into dual-mode projection display system.
This thesis will propose two methods to achieve dual-mode projection display, and discuss them respectively.

摘要 I
第一章 緒論 1
1.1 研究背景與動機 1
1.2 研究目標 1
1.3 論文架構 2
第二章 微型投影機文獻回顧 3
2.1 投影技術探討 3
2.2 投影架構文獻回顧 8
2.3 投影顯示元件介紹 11
第三章 背投影顯示技術 14
3.1 楔形面板應用於背投影平面顯示技術 15
3.1.1 文獻回顧 15
3.1.2 楔形面板原理 17
3.2 直接投影之背投影平面顯示技術 20
3.2.1 反射式光學(All reflective optics) 20
3.2.2 折射式光學(All refractive optics) 22
3.2.3 折射-反射式光學(refractive-reflective optics) 24
3.2.4 offset之應用 28
第四章 研究方法 31
4.1 輻度學(Radiometry)與光度學(Photometry) 31
4.2 照度(Illumination) 33
4.3 光強度(Luminous intensity)與輝度(Luminance) 33
4.4 微型投影機研究方法 35
4.4.1 照明部分 35
4.4.2 成像部分 35
4.5 雙模投影顯示研究方法 38
4.5.1 應用楔形面板之雙模投影顯示 38
4.5.2 直接投影式背投之雙模投影顯示 39
第五章 微型投影機之設計與製作 40
5.1 微型投影機設計 40
5.1.1 照明光機設計流程 40
5.1.2 照明光機模擬及元件說明 41
5.1.3 投影鏡頭設計 51
5.2 微型投影機之製作 63
第六章 雙模投影顯示設計 65
6.1 應用楔形面板之雙模投影顯示 65
6.1.1 背投影設計 65
6.1.2 雙模投影架構 68
6.2 直接投影式背投之雙模投影顯示 69
6.2.1 前投影offset之鏡頭設計 69
6.2.2 背投影設計 73
6.2.3 雙模投影架構 75
6.3 雙模投影架構比較 75
第七章 實驗結果與討論 77
7.1 微型投影機量測 77
7.1.1 DBEF量測 77
7.1.2 投影機亮度量測 77
7.1.3 實際投影狀況 79
7.1.4 效率改進 80
第八章 結論與未來工作 82
參考文獻 84
附錄 88

 

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