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Color Breakup Suppression in Field-Sequential Five-Primary-Color LCDs

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3 Author(s)
Hui-Chuan Cheng ; Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL, USA ; Linghui Rao ; Wu, Shin-Tson

Field-sequential-color liquid crystal displays (FSC LCDs) exhibit a ~ 3× higher optical efficiency and 3× higher resolution, but the color breakup (CBU) degrades the image quality and limits the practical applications. In this paper, we propose a method to reduce CBU by using five-primary LEDs instead of three. Without increasing the sub-frame rate as three-primary LCDs, we can suppress the CBU by utilizing proper color sequence and weighting ratios. The color gamut achieves 140% NTSC and the white brightness increases by more than 13%, as compared to the three-primary LCDs.

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Display Technology, Journal of  (Volume:6 ,  Issue: 6 )