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Generalized mixed-mode reflective LCDs with large cell gaps and high contrast ratios
Authors:H. S. Kwok  J. Chen  F. H. Yu  H. C. Huang
Abstract:Abstract— A generalized mixed twisted-nematic/birefringent-effect mode reflective LCD is presented. This new mode encompasses all previously published reflective nematic LCD modes and is clearly shown on the parameter space diagrams. We also discuss how to obtain operating conditions of this generalized mixed-mode display with large cell gaps, low color dispersion, and high contrast at low voltages. This operating mode is particularly suitable for reflective crystalline-silicon-backplane active-matrix LCDs.
Keywords:Reflective LCDs  electrically controlled birefringence (ECB)  dynamic-aligned phase (DAP) displays  hybrid-aligned nematic (HAN) displays  optically compensated bend cells (OCB)  hybrid field-effect (HFE) mode displays  mixed twisted-nematic mode (MTN)  self-compensated twisted-nematic mode (SCTN)  mixed twisted-nematic/birefringent-effect mode displays
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