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Proceedings Paper

Expanded color gamut reproduced by six-primary projection display
Author(s): Takeyuki Ajito; Takashi Obi; Masahiro Yamaguchi; Nagaaki Ohyama
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Paper Abstract

The range of the reproducible color, i.e., color gamut, of the conventional display devices such as CRTs (cathode ray tubes) and LCDs (liquid crystal displays) is sometimes insufficient for reproducing the natural color of an object through color imaging systems. In this paper, six-primary color display is presented to reproduce the expanded color gamut, by using two conventional RGB projectors and six interference filters. The design method of the filters is also introduced to maximize the volume of the color gamut in CIE-LUV uniform color space. Using the experimental system, the gamut of the six-primary projection display is evaluated comparing with that of conventional CRTs and projectors.

Paper Details

Date Published: 25 April 2000
PDF: 8 pages
Proc. SPIE 3954, Projection Displays 2000: Sixth in a Series, (25 April 2000); doi: 10.1117/12.383364
Show Author Affiliations
Takeyuki Ajito, Tokyo Institute of Technology (Japan)
Takashi Obi, Tokyo Institute of Technology (Japan)
Masahiro Yamaguchi, Tokyo Institute of Technology and Telecommunications Advancement Organization of Japan (Japan)
Nagaaki Ohyama, Tokyo Institute of Technology and Telecommunications Advancement Organization of Japan (Japan)


Published in SPIE Proceedings Vol. 3954:
Projection Displays 2000: Sixth in a Series
Ming Hsien Wu, Editor(s)

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