Rigorous calculation of pixel and inter-electrode capacitances of thin-film transistor liquid crystal displays using three-dimensional simulation

Jung, Sung‐Min; Park, Woo-Sang

doi:10.1080/0267829021000018077

Cited by 8 publications

(3 citation statements)

References 5 publications

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“…These approaches include Newton's method, relaxation method, finite difference iterative method [5,6] and simulated anneal method [7] . Calculation techniques in relaxation method include finite element method [8,9] and finite difference method [10,11] , and we adopt the latter. There are some other methods to calculate director such as particle in cell (PIC) technique [12] and constant charge approach [13] .…”

Section: Introductionmentioning

confidence: 99%

Numerical modeling for liquid crystal optical phased array and its phase delay characteristic

Zhang

2006

SPIE Proceedings

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A practical numerical model for liquid crystal cell is set up based on the geometry structure of liquid crystal optical phased arrays (LCOPA). Model parameters include width and space of electrodes, thickness of liquid crystal layer, alignment layers, electrodes and glass substrates, pre-tilted angles, dielectric constants, elastic constants, the refractive indexes and so on. Especially, the thickness of alignment layer is first considered to the best of our knowledge. According to electrostatic field theory and Frank-Oseen elastic continuum theory, two dimension (2D) electric potential distribution and 2D director distribution are calculated by means of the finite difference method on non-uniform grids. And the phase delay of LCOPA is derived from crystal optics. The influence of cell sizes on phase delay distribution is analyzed. The evaluation function of fringing field effect is provided. And the methods to decrease fringing field effect between electrodes are also discussed.

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Section: Introductionmentioning

confidence: 99%

Numerical modeling for liquid crystal optical phased array and its phase delay characteristic

Zhang

2006

SPIE Proceedings

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“…28 It has also been found that the presence of NPs can alter the dielectric behavior dramatically. [3][4][5][6]30 Figure 3 shows the dielectric permittivity ͑Ј͒ as function of frequency in pure and GNPs doped DHFLCs. As can be seen from Fig.…”

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confidence: 99%

“…[2][3][4][5][6]9 However, the doping of NPs in ferroelectric liquid crystals ͑FLCs͒, which are well known for their good optical contrast, low threshold voltage, memory effect, fast response, etc., is rarely reported in literature. However few studies have been reported on FLCs under the influence of aerosil particles on isotropic-nematic, nematics-smectic A, and smectic A-smectic C * phase transition.…”

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confidence: 99%

Nonvolatile memory effect based on gold nanoparticles doped ferroelectric liquid crystal

Prakash

Choudhary

Kumar

et al. 2008

Applied Physics Letters

100

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Nonvolatile memory effect based on gold nanoparticles ͑GNPs͒ doped deformed helix ferroelectric liquid crystal ͑DHFLC͒ has been observed. This observed memory effect has been attributed to electric field induced charge transfer from liquid crystal molecules to the GNPs and the stabilization of helix deformation of DHFLC material, which occurs on the application of electric field beyond a critical field. The memory effect has been analyzed by polarizing optical microscopy, high-resolution transmission electron microscopy, and dielectric spectroscopy. The observed memory effect combines two active research areas: nanotechnology and liquid crystal.

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Dielectric anisotropy properties of nanostructure metal oxide semiconductor and 4-4′-n-pentylcyanobiphenyl based on nano-nematic composite systems

Al-Hazmi

Al-Ghamdi

Al-Senany

et al. 2014

Journal of Molecular Liquids

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Rigorous calculation of pixel and inter-electrode capacitances of thin-film transistor liquid crystal displays using three-dimensional simulation

Cited by 8 publications

References 5 publications

Numerical modeling for liquid crystal optical phased array and its phase delay characteristic

Numerical modeling for liquid crystal optical phased array and its phase delay characteristic

Nonvolatile memory effect based on gold nanoparticles doped ferroelectric liquid crystal

Dielectric anisotropy properties of nanostructure metal oxide semiconductor and 4-4′-n-pentylcyanobiphenyl based on nano-nematic composite systems

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