Abstract: The present invention relates to a compound having the following formula (I): wherein:—A is a (hetero)aryl radical comprising from 5 to 10 carbon atoms, possibly substituted by at least one substituent chosen from the group consisting of: halogen atoms, amino, azido, cyano, nitro, hydroxyl, formyl, carboxyl, amido, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, alkenyl groups, cycloalkenyl groups, and alkynyl groups, and—R is H, CN or CF3, or their pharmaceutically acceptable salts, racemates, diastereomers or enantiomers.

Abstract: A compound is provided which has dual emission properties and which is useful in light devices, and which has formula (I): wherein: A represents an electron-withdrawing group; D represents an electron-donating group; X is selected from the group consisting of: O, S and NR, wherein R is selected from the group consisting of: H, an alkyl group preferably comprising from 1 to 20 carbon atoms, an aryl group preferably comprising from 6 to 22 carbon atoms, and a heteroaryl group; n is an integer from 1 to 4; m is an integer from 1 to 6; and represents a condensed bicyclic aromatic radical comprising from 6 to 22 carbon atoms, and from 1 to 3 heteroatom(s) selected from the group consisting of: N, S and O; the OH group being in ortho position of the condensed bicyclic aromatic radical relative to the radical.

Abstract: The present invention concerns compound of formula (I): wherein: A represents an electron-withdrawing group; D represents an electron-donating group; X is selected from the group consisting of: O, S and NR, wherein R is selected from the group consisting of: H, an alkyl group preferably comprising from 1 to 20 carbon atoms, an aryl group preferably comprising from 6 to 22 carbon atoms, and a heteroaryl group; n is an integer from 1 to 4; m is an integer from 1 to 6, preferably from 1 to 4; formula (II) represents a condensed bicyclic aromatic radical comprising from 6 to 22 carbon atoms, and from 1 to 3 heteroatom(s) selected from the group consisting of: N, S and O; the OH group being in ortho position of the condensed bicyclic aromatic radical relative to the formula (III) radical. The present invention also concerns its uses, and light devices comprising them.