On the Electric Field Induced Stripe Instability Threshold of Twisted Nematic Layers

1990 ◽  
Vol 45 (7) ◽  
pp. 867-872 ◽  
Author(s):  
J. Nehring ◽  
T. J. Scheffer
Keyword(s):  
Liquid Crystal ◽  
Electric Field ◽  
Continuum Theory ◽  
Instability Threshold ◽  
Material Parameters ◽  
Crystal Material ◽  
Liquid Crystal Material ◽  
Twisted Nematic

AbstractBased on continuum theory, general expressions are derived which indicate how the electric field induced stripe instability threshold of twisted nematic layers is influenced by the liquid crystal material parameters. Results are applied to supertwist displays

Determination of nematic liquid crystal material parameters by use of wedge cells

2004 ◽  
Author(s):  
Jerzy Kedzierski ◽  
Marek A. Kojdecki ◽  
Zbigniew Raszewski ◽  
Ludwika Lipinska ◽  
Jolanta Rutkowska ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Nematic Liquid Crystal ◽  
Material Parameters ◽  
Crystal Material ◽  
Liquid Crystal Material

Cross-Sectional Observations of Molecular Orientation in LCDs using a UV Curable Liquid Crystal

1996 ◽  
Vol 425 ◽  
Author(s):  
Shin Masuda ◽  
Toshiaki Nose ◽  
Susumu Sato
Keyword(s):  
Liquid Crystal ◽  
Cross Section ◽  
Molecular Orientation ◽  
Cross Sectional ◽  
Uv Curable ◽  
Crystal Material ◽  
Liquid Crystal Material ◽  
Polarizing Microscope ◽  
Twisted Nematic ◽  
The Cross

AbstractCross-sectional observations of the molecular orientation in typical display modes are demonstrated. ECB (Electrically Controlled Birefringence), Bend and TN (Twisted Nematic) cells are fabricated using a UV curable liquid crystal material. LC cells are photo-polymerized with applying appropriate AC voltages and cut into slices to obtain the cross-sectional images. As a result, frozen molecular orientation states in a cross section of the LC cell are successfully visualized clearly using a polarizing microscope.

Composite Method for Determination of Liquid Crystal Material Parameters

2000 ◽  
Vol 352 (1) ◽  
pp. 77-84 ◽  
Author(s):  
Jerzy Kedzierski ◽  
Marek Andrzej Kojdecki ◽  
Zbigniew Raszewski ◽  
Paweł Perkowski ◽  
Jolanta Rutkowska ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Material Parameters ◽  
Composite Method ◽  
Crystal Material ◽  
Liquid Crystal Material

Determination of liquid crystal material parameters by composite method

2000 ◽  
Author(s):  
Jerzy Kedzierski ◽  
Marek A. Kojdecki ◽  
Zbigniew Raszewski ◽  
Pawel Perkowski ◽  
Jolanta Rutkowska ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Material Parameters ◽  
Composite Method ◽  
Crystal Material ◽  
Liquid Crystal Material

Determiniation of nematic liquid crystal material parameters by solving inverse problems for different planar cells

2002 ◽  
Author(s):  
Jerzy Kedzierski ◽  
Marek A. Kojdecki ◽  
Zbigniew Raszewski ◽  
Pawel Perkowski ◽  
Jolanta Rutkowska ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Inverse Problems ◽  
Nematic Liquid Crystal ◽  
Material Parameters ◽  
Crystal Material ◽  
Liquid Crystal Material ◽  
Planar Cells

Electro-thermal tuning in a negative dielectric cholesteric liquid crystal material

2008 ◽  
Vol 103 (9) ◽  
pp. 093107 ◽  
Author(s):  
Lalgudi V. Natarajan ◽  
Jeremy M. Wofford ◽  
Vincent P. Tondiglia ◽  
Richard L. Sutherland ◽  
Hilmar Koerner ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Cholesteric Liquid Crystal ◽  
Crystal Material ◽  
Liquid Crystal Material ◽  
Thermal Tuning
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