Multiprimary color display for liquid crystal display projectors using diffraction grating

Takeyuki Ajito; Takashi Obi; Masahiro Yamaguchi; Nagaaki Ohyama

doi:10.1117/1.602276

1 November 1999 Multiprimary color display for liquid crystal display projectors using diffraction grating

Takeyuki Ajito, Takashi Obi, Masahiro Yamaguchi, Nagaaki Ohyama

Optical Engineering, Vol. 38, Issue 11, (November 1999). https://doi.org/10.1117/1.602276

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.

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Takeyuki Ajito, Takashi Obi, Masahiro Yamaguchi, and Nagaaki Ohyama "Multiprimary color display for liquid crystal display projectors using diffraction grating," Optical Engineering 38(11), (1 November 1999). https://doi.org/10.1117/1.602276

Published: 1 November 1999

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