Composition

A photo-reactive composition comprising at least one light emitting moiety, which is configured to show a haze value of 15% or less in the liquid state;

• or is configured to show a haze value of more than 15% in the cured state;
• or is configured to show the ratio of the haze value in cured state to the haze value in liquid state is more than 1;
• wherein the composition comprises
• a (meth)acrylate monomer of formula (I)
• wherein
• R1 is a hydrogen atom, halogen atom of Cl, Br or F, methyl group, alkyl group, aryl group, alkoxy group, ester group or a carboxylic acid group;
• R2 is a hydrogen atom, halogen atom of Cl, Br or F, methyl group, alkyl group, aryl group, alkoxy group, ester group or a carboxylic acid group;
• X1 is
• where “*” on the left side of the formula represents the connecting point to the carbon atom of the end group C═CR1 of the formula (I) and “*” on the right side represents the connecting point to symbol X2 of the formula (I);
• n is 0 or 1;
• X2
• where “*” on the left side of the formula represents the connecting point to symbol X1 of the formula (I) and “*” on the right side represents the connecting point to the end group C═CR2 of the formula (I);
• m is 0 or 1;
• R3 is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, which may be substituted by one or more radicals Ra, where one or more non-adjacent CH2 groups may be replaced by RaC═CRa, C≡C, Si(Ra)2, Ge(Ra)2, Sn(Ra)2, C═O, C═S, C═Se, C═NRa, P(═O)(Ra), SO, SO2, NRa, OS, or CONRa, and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;
• R4 is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, which may be substituted by one or more radicals Ra, where one or more non-adjacent CH2 groups may be replaced by RaC═CRa, C≡C, Si(Ra)2, Ge(Ra)2, Sn(Ra)2, C═O, C═S, C═Se, C═NRa, P(═O)(Ra), SO, SO2, NRa, OS, or CONRa, and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;
• Ra is at each occurrence, identically or differently, H, D or an alkyl group having 1 to 20 carbon atoms, cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a hetero aromatic ring system having 5 to 60 carbon atoms, wherein H atoms may be replaced by D, F, Cl, Br or I;
• wherein two or more adjacent substituents Ra may also form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another;
• and
• a (meth)acrylate monomer of formula (II)
• wherein
• X3 is
• where “*” on the left side of the formula represents the connecting point to the end group C═CR5 of the formula (I);
• I is 0 or 1;
• R5 is a hydrogen atom, halogen atom of Cl, Br or F, methyl group, alkyl group, aryl group, alkoxy group, ester group or a carboxylic acid group;
• R6 is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, which may be substituted by one or more radicals Ra, and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;
• R7 is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, which may be substituted by one or more radicals Ra, and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;
• Ra is at each occurrence, identically or differently, H, D or an alkyl group having 1 to 20 carbon atoms, cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a hetero aromatic ring system having 5 to 60 carbon atoms, wherein H atoms may be replaced by D, F, Cl, Br or I;
• and wherein two or more adjacent substituents Ra may also form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another.