RGBW color separation for field sequential color LCDs

Pei-Li Sun

doi:10.1117/12.767135

28 January 2008 RGBW color separation for field sequential color LCDs

Pei-Li Sun

Proceedings Volume 6807, Color Imaging XIII: Processing, Hardcopy, and Applications; 68070B (2008) https://doi.org/10.1117/12.767135
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

Field sequential color (FSC) LCD is one of the preferred display technologies to achieve wide color gamut and high luminous efficiency. But this technology suffers from an unpleasing color breakup effect. This phenomenon can be reduced by adding a white primary. As RGBW primaries are recommended for FSC-LCD, the next question is how to convert standard RGB signals to RGBW without large color variations. The present study first optimal the spectra of RGB primaries using the 3D gamut boundaries of standard object color spectra (SOCS) database and Adobe RGB in CIECAM02 space with observer metamerism constraint. The optimal RGB primaries then were used to derive six modes for RGB to RGBW conversion. The final step is to further optimize color correction matrix based on CIE170-1:2006 'age and size dependent cone fundamentals' to compensate the visual color shift of elders.

Citation Download Citation

Pei-Li Sun "RGBW color separation for field sequential color LCDs", Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 68070B (28 January 2008); https://doi.org/10.1117/12.767135

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