LCD having an LC layer with spacers arranged so that LC molecule

Details LCD having an LC layer with spacers arranged so that LC molecule LCD having an LC layer with spacers arranged so that LC molecule

1998-12-23

2000-09-05

Dudek, James A.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

130 32, G02F 11339

Patent

active

061150983

ABSTRACT:
A liquid crystal display device of the present invention includes: first and second substrates; a liquid crystal layer interposed between the first and second substrates; a plurality of pillar-like spacers for defining a gap between the first and second substrates; a plurality of electrodes provided on a side of each of the first and second substrates which faces the liquid crystal layer, for applying a voltage through the liquid crystal layer; and a plurality of pixel regions defined by the plurality of electrodes. The liquid crystal layer has liquid crystal molecules having a negative dielectric anisotropy. A vertical alignment layer is provided on a surface of each of the first and second substrates which faces the liquid crystal layer and on surfaces of the pillar-like spacers. The liquid crystal layer includes a plurality of liquid crystal regions defined by the plurality of pillar-like spacers. Each of the pixel regions includes at least one of the liquid crystal regions. The liquid crystal molecules in the liquid crystal regions are aligned substantially perpendicular to the surfaces of the first and second substrates in an absence of an applied voltage and in axial symmetry in a presence of an applied voltage.

REFERENCES:
patent: 5182664 (1993-01-01), Clerc
patent: 5880803 (1999-03-01), Tamai et al.
patent: 5917572 (1999-06-01), Kurauchi et al.
patent: 5995191 (1999-11-01), Tamai et al.

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