| abstract |
A dye for a fluid of an electrowetting element, the dye having a general formula selected from the group consisting of: n n n n n n n n n n wherein Q has the general formula: -Het1R1 or -Het1R1R2; n V has the general formula: -Het2R3 or -Het2R3R4; n Het1 and Het2 are heteroatoms; n R1 and R3 are H; n R2 and R4 are any functional group; n T and U are any functional group; n W, X, Y and Z are H or an alkyl group; and n F, G, L and M are H or an alkyl group, and n with the proviso that the dye does not have the general formula: n n n n n n n n n n n n The present invention further relates to a fluid comprising a dye of the present invention, an electrowetting element and an optical display device comprising the fluid, and a use of the dye to reduce photo-bleaching. |