Liquid crystal display device of in-plane switching mode,...

Details Liquid crystal display device of in-plane switching mode,... Liquid crystal display device of in-plane switching mode,...

2008-10-17

2010-10-05

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Cell containing liquid crystal of specific composition

In nematic phase

C349S185000, C349S141000, C349S142000

Reexamination Certificate

active

07808604

ABSTRACT:
An in-plane switching mode liquid crystal display device includes upper and lower substrates, first and second ferroelectric liquid crystal layers, a nematic system crystal layer, and first and second electrodes. The electrodes and liquid crystal layers are located between the substrates, with the nematic liquid crystal layer between the ferroelectric liquid crystal layers. The ferroelectric liquid crystal layers have different spontaneous polarization directions. An electric field is applied to the liquid crystal layers using the electrodes. The ferroelectric liquid crystal layers react to different electric field to conduct an in-plane driving of liquid crystal molecules in the nematic liquid crystal layer.

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patent: 6417907 (2002-07-01), Choi et al.
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