[PRJ2] Optical Components

[PRJ2-3] Achromatic Total Internal Reflection Prism in DLP Projection System

*Ya-Chi Lu¹, Jhong-Syuan Li¹, Kao-Der Chang², Shie-Chang Jeng¹, Jui-Wen Pan¹ (1. National Chiao Tung University (Taiwan), 2. Industrial Technology Research Institute (Taiwan))

Keywords:DLP Projection System, Large Area Displays, Total Internal Reflection Prism

Two different types of the achromatic TIR prism set are designed to mini projector. Type1 prism set is the first prism with a small Abbe number material stacked with the second prism with a large Abbe number material. Type2 prism set is an opposite design to Type1 prism set.