分散式運算技術與遺傳演算法應用於TFT-LCD投影機之最佳化設計

一般微型LCD投影機具有光亮度低、投影環境受限、投影距離小及解析度不良等缺點，於市場上前景較不樂觀，有鑑於此，本研究將針對一商用TFT-LCD投影機為參考基礎，探討如何設計符合TFT-LCD投影機市場之性能指標。本文藉由照度量測法、分角光度量測法、晶體旋轉量測法等實驗量測為分析模擬之基礎，利用實驗量測與光學軟體之結果進行實驗模擬驗證分析，使光學軟體模擬具有一定之可信度，而後藉由模擬軟體建立導光管積分器與螢幕投影之光照均勻性判定準則，利用此準則即可對TFT-LCD投影機之導光管積分器及整體投射效果分別進行參數分析，分析之結果將有助於TFT-LCD投影機之最佳化設計。為提高TFT-LCD投影機之性能指標，首先，本研究從LCD投影機光學設計著手，配合合理之光路設計，藉由運用遺傳基因最佳化技術，分析光學模組的最佳化參數，以探討LED光源對以投影均勻性為主光亮度為輔之LCD投影機最佳化設計概念，使TFT-LCD投影機達到高均勻性且有一定亮度。研究中將發展VB巨集控制之分散式運算技術，運用多部電腦同步計算，以提升遺傳基因最佳化分析之數值計算效率。相信，本研究所建立分散式運算之遺傳基因最佳化分析，將對於LCD投影機之設計與開發具有相當程度之助益。

關鍵字

TFT-LCD投影機； LED光學設計；投影均勻性；實驗模擬驗證分析；分散式遺傳演算法

並列摘要

Recently, Projector has drawbacks including low luminance, limited projection environment, short projection distance, low resolution, and etc. Due to these reasons, the prospect of mini-projector is not optimistic. To increase the receptivity of mini-LCD projector in the market, we are taking a research under a commercial TFT-LCD projector. By using several experiment techniques including Illumination measurement, Goniophotometer & Crystal rotation method as a basis of analysis and simulation, this article compares the differences between experiments and Optical Software so as to justify the legitimacy of Optical Software. We then use simulation software to establish the standard for illumination uniformity for Lighting Integrator and monitor projection. This will allow parameter analysis between Lighting Integrator of TFT-LCD projector and overall projection effect. The result can contribute to TFT-LED’s optimal design. To enhance the TFT-LCD projector performance index, this research begins with LED projector optical design. By using optical design and genetic optimization technique, this paper analyzes the optimal parameter in optical module in order to understand the effect of LED light source on LCD projector design concept which is based primarily on projection uniformity and secondarily on luminance. This concept contributes to high uniformity and brightness in TFT-LCD projector. Moreover, development of VB macro-control in distributed computing is applied to enhance computation efficiency of genetic optimal analysis by using multiple computers. It is believed that the establishment of distributed computing in genetic optimal analysis can lead to better design and development of LCD projector in the future.

並列關鍵字

Mobile Projector ； collaborative analysis ； LCD Display ； LED Optical Engine ； Distributed Genetic Algorithms

參考文獻

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分散式運算技術與遺傳演算法應用於TFT-LCD投影機之最佳化設計

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