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LIQUID CRYSTAL DISPLAY PROJECTORS

Multiprimary color display for liquid crystal display projectors using diffraction grating

[+] Author Affiliations
Takeyuki Ajito, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama

Tokyo Institute of Technology, Imaging Science and Engineering Laboratory, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503?Japan

Opt. Eng. 38(11), 1883-1888 (Nov 01, 1999). doi:10.1117/1.602276
History: Received Aug. 13, 1998; Revised Apr. 27, 1999; Accepted May 18, 1999
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Abstract

To reproduce the natural color of an object through color imaging systems, the range of the reproducible color, i.e., the color gamut, of the color display devices must be expanded, because the color gamut of current display devices such as cathode ray tubes (CRTs) and liquid crystal displays (LCDs) is insufficient. We present a new method to enlarge the color gamut for the LCD device using more than three primaries, i.e., multiprimaries, generated by a diffraction grating and a liquid crystal panel. The optical system for the multiprimary color display is introduced, and its capability of increasing the gamut is discussed. The experimental result displayed by seven primary colors is also demonstrated. © 1999 Society of Photo-Optical Instrumentation Engineers.

© 1999 Society of Photo-Optical Instrumentation Engineers

Citation

Takeyuki Ajito ; Takashi Obi ; Masahiro Yamaguchi and Nagaaki Ohyama
"Multiprimary color display for liquid crystal display projectors using diffraction grating", Opt. Eng. 38(11), 1883-1888 (Nov 01, 1999). ; http://dx.doi.org/10.1117/1.602276


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