The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.

The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.

A photocurable composition can comprise a polymerizable material and a photoinitiator, wherein the polymerizable material may comprise at least one first polymerizable monomer having a structure of Formula (1): (R.sub.1).sub.x—Ar—(R.sub.2).sub.y (1), with Ar being one or more substituted or unsubstituted aromatic rings; R.sub.1 being a structure covalently bonded to Ar including at least one acrylate group; x being 1-4; and R.sub.2 being —CH═CH.sub.2 or —CCH.sub.3=CH.sub.2 covalently bonded to Ar; y being 1-4.

A photocurable composition can comprise a polymerizable material and a photoinitiator, wherein the polymerizable material may comprise at least one first polymerizable monomer having a structure of Formula (1): (R.sub.1).sub.x—Ar—(R.sub.2).sub.y (1), with Ar being one or more substituted or unsubstituted aromatic rings; R.sub.1 being a structure covalently bonded to Ar including at least one acrylate group; x being 1-4; and R.sub.2 being —CH═CH.sub.2 or —CCH.sub.3=CH.sub.2 covalently bonded to Ar; y being 1-4.

An object of the present invention is to provide a photocurable resin composition that has excellent adhesion to plastic substrates and can form a composition with good compatibility. The present invention relates to a photocurable resin composition containing: an allylic polymer (A) produced by polymerization of an allylic compound represented by the formula (I) below; and a tackifier resin (B),

##STR00001##

An object of the present invention is to provide a photocurable resin composition that has excellent adhesion to plastic substrates and can form a composition with good compatibility. The present invention relates to a photocurable resin composition containing: an allylic polymer (A) produced by polymerization of an allylic compound represented by the formula (I) below; and a tackifier resin (B),

##STR00001##

A layered structure having a first layer including a polymerization product of a monomer combination including a first monomer having at least two thiol groups at its terminal end and a second monomer having at least two carbon-carbon unsaturated bond-containing groups at its terminal end, wherein the first monomer includes a first thiol compound represented by Chemical Formula 1-1 including a thioglycolate moiety and a second thiol represented by Chemical Formula 1-2, and wherein the second monomer includes an ene compound represented by Chemical Formula 2:

##STR00001## wherein in Chemical Formulae 1-1, 1-2, and 2, groups and variables are the same as described in the specification.

The invention relates to a polymerisable LC material comprising one or more di- or multireactive mesogenic compounds and one or more compounds of formula UVI,

##STR00001##

wherein the individual radicals have one of the meaning as given in the claims. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability and UV stability obtainable from a corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.

The invention relates to a polymerisable LC material comprising one or more di- or multireactive mesogenic compounds and one or more compounds of formula UVI,

##STR00001##

wherein the individual radicals have one of the meaning as given in the claims. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability and UV stability obtainable from a corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.

The invention relates to a polymerisable LC medium with flat optical dispersion, a polymer film with flat optical dispersion obtainable from such a medium, and the use of the polymerisable LC medium and polymer film in optical, electro optical, electronic, semiconducting or luminescent components or devices.