In-plane switching dual-frequency liquid crystal cell

Chia Ting Hsieh, Chi Yen Huang, Chi Huang Lin

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The electro-optical responses of the in-plane switching (IPS) dual-frequency liquid crystal (LC) cell operated with the amplitude-modulation method and the frequency-modulation method were investigated. The obtained results reveal that the electric torque exerted to the LCs and the strong anchoring energy produced from the rubbed polyimide dominate the reorientation of the LCs. With the frequency-modulation method, the generated electric torque combined with the strong surface anchoring energy give the cell a very short fall time, which is independent of the applied frequency. A new waveform composed of the amplitude modulation and the frequency modulation of the supplied voltage-pulse to achieve a fast responding IPS LC cell is proposed. The obtained response time is much less than that of the conventional amplitude-modulation method.

Original languageEnglish
Pages (from-to)11685-11690
Number of pages6
JournalOptics Express
Volume15
Issue number18
DOIs
Publication statusPublished - 2007 Sep 9

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frequency modulation
liquid crystals
torque
cells
polyimides
retraining
surface energy
waveforms
electric potential
pulses
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Hsieh, Chia Ting ; Huang, Chi Yen ; Lin, Chi Huang. / In-plane switching dual-frequency liquid crystal cell. In: Optics Express. 2007 ; Vol. 15, No. 18. pp. 11685-11690.
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In-plane switching dual-frequency liquid crystal cell. / Hsieh, Chia Ting; Huang, Chi Yen; Lin, Chi Huang.

In: Optics Express, Vol. 15, No. 18, 09.09.2007, p. 11685-11690.

Research output: Contribution to journalArticle

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