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The color gamut of RGB primaries displays can be increased by using more saturated primaries, with the penalty of a corresponding significant decrease in brightness. We present a multiple primaries technology that enables substantial increase in both the color gamut and brightness of projection displays and describes results of prototype projection systems(More)
Implementations of multi-primary displays for home cinema, mobile screens and soft proofing are described and analyzed. The design flexibility gained by using extra primaries is discussed for each, and the different considerations are highlighted. We show that in all cases the multi-primary displays suit the requirements of the application better than RGB(More)
Multi-primary color (MPC) technology is used to achieve wide gamut color reproduction. In this paper, MPC technology is applied to liquid crystal display (LCD). 4-primary color and 5-primary color displays were created, with the percentage of NTSC and brightness better than conventional LCDs. Furthermore, the cost of MPC display is cheaper than the display(More)
We suggest a metric for evaluating color gamut of displays based on summing the probability of using a certain part of the display color gamut multiplied by an impact parameter for that color region. We further present methods for evaluating the probability of use, and the impact of color. 1. Introduction Until about a decade ago all color displays were the(More)
Field sequential projection displays exhibit a phenomenon of color breakup (Rainbow effect). This is considered to be a disturbing artifact with negative marketing impact. We describe the results of a psychophysical experiment comparing the visibility of the phenomenon in RGB and multi-primary displays. Surprisingly, it is found that color breakup in color(More)
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