Liquid crystal display device with a polymer between liquid crys

Details Liquid crystal display device with a polymer between liquid crys Liquid crystal display device with a polymer between liquid crys

1995-07-19

1996-07-09

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 52, 359 62, 359 81, G02F 113, G02F 11333

Patent

active

055350267

ABSTRACT:
A liquid crystal display device includes a pair of substrates provided with electrodes, at least one of the substrates being transparent, a liquid crystal region and a polymeric wall surrounding the liquid crystal region, the liquid crystal region and the polymeric wall being interposed between the pair of substrates. Such a liquid crystal display device can be obtained by a method including at least one step of heating a liquid crystal cell including a mixture containing a liquid crystal material and a photocurable resin interposed between the pair of substrates to a temperature higher than the transition temperature of the liquid crystal material in order to control a mobility of the liquid crystal material and the photocurable resin; and at least one step of cooling the heated liquid crystal cell to a temperature lower than the transition temperature in order to cause phase separation of the liquid crystal material from the photocurable resin and form a liquid crystal region and a polymeric wall at desired locations.

REFERENCES:
patent: 5473450 (1995-12-01), Yamada et al.

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