數位光源處理投影機鏡頭光學設計

Optical Design of Digital Light Processing Projector Objective

吳怡荃

指導教授 ： 張明文 博士 ； 劉宗平 博士

元智大學/工程學院/電機工程學系/碩士(2004年)

摘要

近年來，投影顯示技術在DLP與LCOS的競爭之下， LCD不再是市場獨大，DLP投影系統憑著體積小，高畫質的優勢一躍而成為三大主流之一，而今後追求更小、更高畫質相信將會是未來DLP投影系統的目標。
鑒於傳統球面光學使用的鏡片數較多，本論文將針對DLP投影機鏡頭作一光學設計，首先針對DLP投影機規格作評估與考量，利用幾何光學公式訂定設計時所需的規格之後，由前人的鏡組資料或是專利改變其初始結構，作為設計的起始點，接著利用光學設計軟體(ZEMAX)作優化，最後針對專利與論文設計實例作像質的分析與比較，並對本篇論文鏡頭設計的問題與未來展望作一番結論。

關鍵字

數位光源處理 ； 數位微鏡元件 ； 光學設計 ； 投影機

並列摘要

In recent years, under competition of projection display technology in DLP and LCOS, LCD is no longer big alone in the display market. According to advantage of small size and high-quality, DLP projection system becomes one of three major main streams display technology. In the future, we deeply believe that will be the goal of the technology to pursue smaller and higher- quality DLP projection system.
Because of the more number of lenses are need to be used in the traditional spherical optics, in this thesis, we studied an optical design of DLP projector objective with less number of lenses . At first, we assess and consider the DLP projector specifications, and stipulate necessary specifications of the design by using the geometrical optics formula. Later on, we change their initial structure by referring the former designer’s experiences or patent and regarded it as the starting point of the lens designing. Then used optical software ZEMAX to optimize, and obtain the result of designing. Finally do the analysis and comparison which looks like the quality to the design instances of the thesis and patent, and do some conclusions for the question the thesis designed and the vision of the future.

並列關鍵字

DLP ； DMD ； Optical Design ； Projector

參考文獻

2.L.J.Hornbeck, Digital Light Processing and MEMS：Timely Convergence for a Bright Future, Texas Instruments, Dallas,

Texas, 1997.

3.M.R.Douglass, “Lifetime Estimates and Unique Failure Mechanisms of the Digital Micromirror Device (DMD),” Texas Instruments Inc., Dallas, Texas, 1998

6.James C. Wyant and Katherine Creath, “Basic Wavefront Aberration Theory,” Applied Optics And Optical Engineering, 1992.

11.陳時偉，“數位光源處理投影系統之光學設計與光機模擬,”私立元智大學電機工程研究所，碩士論文，民國91年6月。