An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a polarizer function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a laminate which has a substrate, an inorganic layer, and an organic layer, and the organic layer contains an organic dichroic pigment.

An alignment film includes a first pre-tilt functional group, a second pre-tilt functional group and a first vertical alignment functional group, which are linked to polysiloxane on a substrate. The first vertical alignment functional group includes a cyclic compound and is aligned substantially perpendicularly to the substrate. The first pre-tilt functional group is cross-linked to the second pre-tilt functional group and tilted with respect to the substrate.

A method for preparing a functionalized graphene layer is provided. The method utilizes superiority of transparent conductivity of the graphene and modifiability of the graphene surface to endow the graphene with an effect of liquid crystal molecule alignment. Thus, the functionalized graphene layer provides both transparent conductivity and liquid crystal alignment, and an alignment process that subsequently uses an alignment material is not necessary.

A graphene transparent conductive film is disclosed. The graphene transparent conductive film includes graphene and a vertical alignment agent. A method for manufacturing the graphene transparent conductive film is further disclosed. In the method, graphene, a surfactant, and water are mixed to obtain a graphene solution; a vertical alignment agent is added to the graphene solution to obtain a graphene transparent conductive film liquid, and the film liquid is coated on a substrate and heated to obtain the graphene transparent conductive film. The vertical alignment agent can reduce a surface energy of liquid crystal molecules in a polymer matrix, increase a contact angle, so that the liquid crystal molecules can be aligned vertically.

A graphene transparent conductive film is disclosed. The graphene transparent conductive film includes graphene and a vertical alignment agent. A method for manufacturing the graphene transparent conductive film is further disclosed. In the method, graphene, a surfactant, and water are mixed to obtain a graphene solution; a vertical alignment agent is added to the graphene solution to obtain a graphene transparent conductive film liquid, and the film liquid is coated on a substrate and heated to obtain the graphene transparent conductive film. The vertical alignment agent can reduce a surface energy of liquid crystal molecules in a polymer matrix, increase a contact angle, so that the liquid crystal molecules can be aligned vertically.

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a polarizer function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a laminate which has a substrate, an inorganic layer, and an organic layer, and the organic layer contains an organic dichroic pigment.

A method for preparing a functionalized graphene layer is provided. The method utilizes superiority of transparent conductivity of the graphene and modifiability of the graphene surface to endow the graphene with an effect of liquid crystal molecule alignment. Thus, the functionalized graphene layer provides both transparent conductivity and liquid crystal alignment, and an alignment process that subsequently uses an alignment material is not necessary.

The present application provides a liquid crystal panel structure containing a functionalized graphene layer and a method of preparing a functionalized graphene layer. In the liquid crystal panel structure containing a functionalized graphene layer of the present application, the functionalized graphene layer thereof simultaneously plays effects of transparent conductivity and liquid crystal alignment, an alignment process that subsequently uses an alignment material is not necessary, the fabrication process and film structures of the liquid crystal panel are greatly simplified. The method of preparing the functionalized graphene layer of the present application sufficiently utilizes superiority of transparent conductivity of the graphene, and modifiability of the graphene surface, to endow the graphene with an effect of liquid crystal molecule alignment, the functionalized graphene layer prepared thereby has transparency, conductivity and alignment function.

A first object of the present invention is to provide a laminate having excellent light resistance. In addition, a second object of the present invention is to provide an optical element including the laminate and a light guide element.

A laminate of the present invention includes an optically anisotropic layer consisting of a cured layer of a composition containing a liquid crystal compound and a pair of oxygen barrier layers which are disposed on both sides of the optically anisotropic layer, in which the optically anisotropic layer has a liquid crystal alignment pattern in which an orientation of an optical axis derived from the liquid crystal compound is changed while continuously rotating along at least one in-plane direction, the composition contains a compound having a partial structure represented by Formula (I), the composition contains, as the liquid crystal compound, the compound having the partial structure represented by Formula (I), or the composition contains, as a compound which is not the liquid crystal compound, the compound having the partial structure represented by Formula (I), and an oxygen permeability coefficient of the oxygen barrier layer at 25? C. and 50% RH is 1.0?10.sup.?11 cm.sup.3.Math.cm/(cm.sup.2.Math.s.Math.mmHg) or less.

##STR00001##

In Formula (I), A.sup.1 and A.sup.2 each independently represent an aromatic hydrocarbon ring group or an aromatic heterocyclic group, which may have a substituent. * represents a bonding position.

The present application provides a liquid crystal panel structure containing a functionalized graphene layer and a method of preparing a functionalized graphene layer. In the liquid crystal panel structure containing a functionalized graphene layer of the present application, the functionalized graphene layer thereof simultaneously plays effects of transparent conductivity and liquid crystal alignment, an alignment process that subsequently uses an alignment material is not necessary, the fabrication process and film structures of the liquid crystal panel are greatly simplified. The method of preparing the functionalized graphene layer of the present application sufficiently utilizes superiority of transparent conductivity of the graphene, and modifiability of the graphene surface, to endow the graphene with an effect of liquid crystal molecule alignment, the functionalized graphene layer prepared thereby has transparency, conductivity and alignment function.