Optimization of Dynamic Drive Scheme for Cholesteric LCDs

Optimization of Dynamic Drive Scheme for Cholesteric LCDs

A system for analyzing the dynamic drive scheme (DDS) of a cholesteric liquid crystal (CLC) display is developed. The proposed method efficiently determines the transition properties of different stable states of CLC. The voltage differences among phases (preparation, selection, and evolution phases...

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Veröffentlicht in:Journal of display technology 2016-01, Vol.12 (1), p.35-39
Hauptverfasser: Li, Cheng-Chang, Chu, Chun-Wei, Chen, Chun-Wei, Jau, Hung-Chang, Lee, Chun-Hong, Wang, Chun-Ta, Li, Zu-Cheng, Lin, Tsung-Hsien
Format: Artikel
Sprache:eng
Schlagworte:
Automatic testing
Color
Drives
Dynamic tests
Dynamical systems
Dynamics
Evolution
Liquid crystal displays
liquid crystal displays (LCDs)
Liquid crystals
Optical switches
Optimization
parameter estimation
Phases
Photonics
Transient analysis
Voltage
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Beschreibung
Zusammenfassung:A system for analyzing the dynamic drive scheme (DDS) of a cholesteric liquid crystal (CLC) display is developed. The proposed method efficiently determines the transition properties of different stable states of CLC. The voltage differences among phases (preparation, selection, and evolution phases) are strongly related to the time integral. The analysis can be exploited to optimize the driving parameters of the DDS signal. Optimizing the DDS signal could reduce the frame time from about 1 s to less than 0.5 s for a CLC display with 800×600 pixels. This method for CLC has great potential to be used for color reflective bistable energy-saving display.
ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2015.2449892