Critical Field for a Hysteresis-Free BPLC Device

Critical Field for a Hysteresis-Free BPLC Device

A correlation between the peak electric field and hysteresis of a polymer-stabilized blue-phase liquid crystal (BPLC) is found experimentally. If the peak electric field is below ~ 5 V/μm, hysteresis is negligible. Based on this guideline, we propose elliptical protrusion electrodes to reduce peak e...

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Veröffentlicht in:Journal of display technology 2011-12, Vol.7 (12), p.627-629
Hauptverfasser: Rao, Linghui, Yan, Jin, Wu, Shin-Tson, Lai, Yu-Cheng, Chiu, Yung-Hsiang, Chen, Heng-Yin, Liang, Chao-Chiun, Wu, Chun-Ming, Hsieh, Pao-Ju, Liu, Shih-Hsien, Cheng, Kung-Lung
Format: Artikel
Sprache:eng
Schlagworte:
Blue phase liquid crystal (BPLC)
Devices
Display devices
Electric fields
Electrodes
Guidelines
Hysteresis
Kerr effect
Liquid crystal displays
Liquid crystals
Polymers
Time factors
Transmittance
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Zusammenfassung:A correlation between the peak electric field and hysteresis of a polymer-stabilized blue-phase liquid crystal (BPLC) is found experimentally. If the peak electric field is below ~ 5 V/μm, hysteresis is negligible. Based on this guideline, we propose elliptical protrusion electrodes to reduce peak electric field which in turn eliminates hysteresis while keeping a high transmittance. Such a hysteresis-free BPLC device is highly desirable for display and photonic applications.
ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2011.2164513