High-efficiency micro-optical color filter for liquid-crystal projection system applications.
High-efficiency color filters composed of a microprism array, optical interference color filters, and a microlens array light compressor were developed to increase the optical throughput of liquid-crystal projection systems. The new devices utilize the energy of whole spectra by taking full advantage of a light compressor and interference dichroic filters to distribute the energy of spectra to the respective color pixel area. Thus high-efficiency micro-optical color filters allow efficient utilization of the energy of incident light and maximize the optical throughput of the projection system.
Ko
F J
FJ
Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan 30010, China. u8424513@cc.nctu.edu.tw
Shieh
H P
HP