Production of liquid crystal device including aligning treatment

Details Production of liquid crystal device including aligning treatment Production of liquid crystal device including aligning treatment

1991-09-09

1993-06-22

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

G02F 1133

Patent

active

052219810

ABSTRACT:
In a successive rubbing treatment for providing a large number of substrates each having an alignment control layer with a uniaxial alignment axis for aligning a liquid crystal, a plurality of substrates are rubbed alternately with one or the other side of pile yarn planted on a rubbing cloth wound about a roller. A liquid crystal is disposed between a pair of substrates which are selected from the plurality of substrates thus treated by rubbing. By this process, a larger number of substrates can be imparted with a uniaxial alignment control power without causing a lowering in the alignment control power.

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