Fig. 1. System of 6-primary color LED display. (a) Configuration of system; (b) spectrum of 6-primary-color LED; (c) CIE1931 chromaticities of 6-primary LED

Fig. 2. Test results of color acquiring ability of typical RGB cameras

Fig. 3. Test results of channel independence. (a) Spectral radiance of each channel; (b) addition result and practical testing result of spectral radiance of all channels

Fig. 4. Modeling strategy for primary color conversion models, with P₁-P₆ representing primaries and W representing white point.(a) 4-primary color system; (b) 5-primary color system; (c) 6-primary color system

Fig. 5. 5-primary color LED display system. (a) Primary spectrum; (b) color gamut

Fig. 6. Wide-gamut image of ColorChecker SG. (a) sRGB image; (b) CIE1931 XY coordinates of 96 blocks

Fig. 7. Driven images of 5-primary-color LED display obtained by experiment. (a) 444 nm; (b) 468 nm; (c) 500 nm; (d) 520 nm;(e) 652 nm

Fig. 8. Color difference between simulation result and theoretical value of 96 color blocks of SG color