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70.3: Novel Single Panel Projection Systems
Author(s) -
Wang YongJing,
Lupino James,
Pei Manlin,
Lu Guohua,
Ren Honglin,
Zheng Zhengrong,
Li Haifeng
Publication year - 2008
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3069322
Subject(s) - rgb color model , digital light processing , projection (relational algebra) , projector , computer science , liquid crystal on silicon , artificial intelligence , computer vision , computer graphics (images) , optics , liquid crystal display , physics , algorithm
A novel single panel projection system using angular color technique is proposed to increase the color efficiency and to reduce the cost of projection systems. This system uses a single panel to display RGB information in spatially separated color zones. Special projection optics is utilized to merge the RGB pictures into a full color picture on the projection screen. The advantages are: 1) it has almost 100% color efficiency comparing with less than 33% efficiency in other sequential color systems, 2) the light engine is very compact and the cost is very low comparing with a traditional three panel systems. This light engine structure is compatible with traditional projection lamps, LEDs, and laser light sources. It is applicable to most of the microdisplay panel technologies including HTPS‐LCDs, LCOS, and DLP. A projector with HTPS‐LCD and Ujoy lamp was developed. This technology is very promising for ultra‐compact min projectors.