Compensation Film Designs for High Contrast Wide-View Blue Phase Liquid Crystal Displays

The polarization rotation effect of blue phase liquid crystal (BPLC) composite causes light leakage in the dark state, which in turn degrades the contrast ratio. We propose three approaches to compensate the light leakage and thereby improve the contrast ratio and widen the viewing angle of a BPLC d...

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Veröffentlicht in:	Journal of display technology 2014-01, Vol.10 (1), p.3-6
Hauptverfasser:	Liu, Yifan, Lan, Yi-fen, Hong, Qi, Wu, Shin-Tson
Format:	Artikel
Sprache:	eng
Schlagworte:	Blue phase Compensation compensation film contrast ratio Dark states Degradation Dispersion Display devices Electrodes Leakage liquid crystal Liquid crystal displays Liquid crystals Polarization Polymers Viewing
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Beschreibung
Zusammenfassung:	The polarization rotation effect of blue phase liquid crystal (BPLC) composite causes light leakage in the dark state, which in turn degrades the contrast ratio. We propose three approaches to compensate the light leakage and thereby improve the contrast ratio and widen the viewing angle of a BPLC display. The merit and drawback of each design are also discussed.
ISSN:	1551-319X 1558-9323
DOI:	10.1109/JDT.2013.2292051