摘要:
Provided is a phase plate comprising a light transmitting base, an alignment layer formed on said base, and a film formed on said alignment layer by a liquid crystalline polymer which exhibits a nematic orientation in the state of liquid crystal and assumes a glassy state at a temperature below the liquid crystal transition point of the polymer.
摘要:
The present invention discloses a liquid crystal color display device comprising;a liquid crystal cell comprising a pair of substrates, a liquid crystal layer positioned between the substrates and transparent electrodes on the substrates to apply voltage to the layer;a pair of polarizers positioned on opposite sides of the cell; anda combination of a color filter film and an optical phase plate positioned between the liquid crystal layer and at least one of the polarizers:wherein the phase plate comprises a film of liquid crystal polymer composition having polyester as a main constituent, being thermotropic and having a glass transition point, and the device is high in productivity, light in weight, good in color reproducibility, good in contrast, excellent in color tone display dependency upon viewing angle and wide in viewing angle.
摘要:
Disclosed herein is a substrate with a liquid crystal polymeric thin film comprising a substrate, an orientation film formed on said substrate and a thermotropic liquid crystal polymeric thin film formed on said orientation film, in which the orientation film comprises a polyimide having a glass transition point of higher than 300.degree. C. obtained by cyclizing a polyamic acid or its derivative coated on said substrate and applying a rubbing treatment.
摘要:
The present invention provides a compensator for liquid crystal display comprising a light transmitting base, an alignment layer formed on the base, and a film formed on the alignment layer by a liquid crystalline polymer which contains as a main component a polyester consisting essentially of structural units (A) and (B) represented by the following formulae: ##STR1## (B) --O--R--O-- where R represents a straight chain or branched, divalent, aliphatic hydrocarbon group having 2 to 20 carbon atoms in which the hydrogen atoms may be substituted by halogen, phenyl, or alkoxy.
摘要:
A compensator for liquid crystal display which is composed of:a light transmitting base;an alignment layer formed on said base; anda film formed on said alignment layer by a liquid crystalline polymer which exhibits a twisted nematic orientation in the state of liquid crystal and which assumes the state of glass at a temperature below the liquid crystal transition point thereof.
摘要:
Disclosed herein is a method of orienting a liquid crystal polymer which comprises coating and drying a solution of a polymeric compound showing a thermotropic liquid crystal property on the surface of a plastic substrate applied with a rubbing treatment, and subjecting to a heat-treatment at a temperature that the liquid crystal polymer exhibits a liquid crystal phase.
摘要:
A highly orientated, liquid crystalline polymer having a light controlling function and suitable for use in the optoelectronic field is prepared by applying a solution of a polymer which exhibits a thermotropic liquid crystallinity onto a stretched polymer film, drying the applied solution, and thereafter heat-treating the thus-coated film at a temperature at which said liquid crystalline polymer exhibits a liquid crystal phase, for a time sufficient for the molecules of the liquid crystalline polymer to be orientated.
摘要:
A color liquid crystal device comprises a pair of transparent substrates opposing to each other and having electrodes respectively, a plurality of color filters disposed on an inner surface of one of the substrates, a liquid crystal layer disposed between the substrates, a pair of electrodes disposed on the substrates respectively for applying an electric field to the liquid crystal layer thereby to vary a state of molecular orientation of said liquid crystal layer to perform a light modulation. A thickness of the liquid crystal layer is decreased or increased at an overlapping portion of the color filters than the rest portion of the color filters.
摘要:
A color liquid crystal device comprises: a pair of transparent substrates opposing to each other and having electrodes respectively, a plurality of color filters disposed on an inner surface of one of the substrates, a liquid crystal layer disposed between the substrates, a pair of electrodes disposed on the substrates respectively for applying an electric field to the liquid crystal layer thereby to vary a state of molecular orientation of said liquid crystal layer to perform a light modulation. A thickness of the liquid crystal layer is decreased or increased at an overlapping portion of the color filters than the rest portion of said color filters.
摘要:
An insulating layer is formed on a plurality of electrodes formed on a plastic film substrate, the insulating layer having a plurality of electrode connecting holes formed therein. Electrodes of the plurality of electrodes are selectively connected to an external circuit via respective ones of the plurality of connecting holes. Conductive color filter layers are formed on the thus-connected electrodes by an electrochemical method. A value obtained as a result of subtracting a width of each one of the plurality of electrode connecting holes from a width of a respective one of the plurality of electrodes is large so that a position of the electrode connecting hole is maintained to correspond to a position of the electrode even when the plastic film substrate expands or contracts maximally.