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Proceedings Article

RGBW color separation for field sequential color LCDs

[+] Author Affiliations
Pei-Li Sun

Shih Hsin Univ. (Taiwan)

Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 68070B (January 28, 2008); doi:10.1117/12.767135
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From Conference Volume 6807

  • Color Imaging XIII: Processing, Hardcopy, and Applications
  • Reiner Eschbach; Gabriel G. Marcu; Shoji Tominaga
  • San Jose, CA | January 27, 2008

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.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

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


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