Effect of the Pretilt Angle and Temperature on the Multiplexing Limits of Dual Frequency Addressed TN-LC Cell

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概要

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• We present below the results of (our studies on) dual frequency addressed twisted nematic liquid crystal (TN-LC) cells using recently developed Hoffmann La-Roche LC mixtures 3090 and 2851 which exhibit large positive and large negative dielectric anisotropy at low and high frequencies respectively. It is found that the surface alignment i.e., the tilt bias angle of LC molecules at the bounding surfaces and the temperature of the cell modify the electro-optic transmission characteristics significantly which in turn affect the multi-plexing limits. It is also shown that the cross over frequency 'f_c' can be easily determined from the threshold voltage variation studies with frequency.

• 社団法人応用物理学会の論文
• 1987-03-20

著者

• CHANDRA S.

  National Physical Laboratory

• Balakrishnan K.

  National Physical Laboratory

• JAIN S.

  National Physical Laboratory

関連論文

• Colour Switching, Dynamics and Molecular Reorientation Processes in a Very Thin Ferroelectric Liquid Crystal
• Gray-Scale Characteristics in High-Tilt-Angle Ferroelectric Liquid Crystal
• Effect of the Pretilt Angle and Temperature on the Multiplexing Limits of Dual Frequency Addressed TN-LC Cell

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