Novel organic semiconductor compound, method for preparing same, and organic semiconductor composition, and organic semiconductor thin film and element containing the same

A polycyclic aromatic organic semiconductor compound represented by the following formula 1:

• wherein in formula 1,
• A is a ring selected from the group consisting of a substitutable 5-membered unsaturated or aromatic ring, a substitutable 6-membered unsaturated or aromatic ring, a substitutable 5-membered unsaturated or aromatic heterocyclic ring, and a substitutable 6-membered unsaturated or aromatic heterocyclic ring, or a polycyclic ring formed by a fusion of two or more rings selected from the above group;
• represents one or more pyrrol rings which may have a substituent Y, which is respectively fused with an end of A, and m is an integer of at least 1, Xn is a substituent independently selected from the following Substituent Group G1, which is bonded to A, and n is integer of 0 or at least 1:
• <Substituent Group G1>
• the Substituent Group G1 consisting of a hydrogen, a halogen, a cyano group, a nitro group, a hydroxyl group, substituted or unsubstituted C1-C50 alkyl group, a substituted or unsubstituted C10-C50 alkoxy group, a substituted or unsubstituted C5-C50 cycloalkyl group, an substituted or unsubstituted C5-C50 heterocycloalkyl group, a substituted or unsubstituted C6-C50 aryl group, a substituted or unsubstituted C2-C50 heteroaryl group, an amine group, a carboxyl group, an acid anhydride, an ester group, a thiocarboxyl group, a dithiocarboxyl group, a sulfonic acid group, a sulfinic acid group, a sulfenic acid group, a sulfonyl group, a sulfinyl group, a haloacyl group, a carbamoyl group, a hydrazide group, an imide group, an amide group, an amidino group, an isocyano group, a cyanic ester group, an isocyanic ester group, a thiocyanic ester group, an isothiocyanic ester group, a formyl group, a thioformyl group, an acyl group, a thiol group, an amino group, an imino group, a hydrazino group, an alkoxy group, an aryloxy group, an ether group, a sulfide group, disulfide group, an silyl group, a germyl group, a stanyl group, a hosphino group and a boryl group;
• or
• Xn represents one or more rings respectively fused with an end of A, and n is an integer of 0 or at least 1, in which X is a ring selected from the group consisting of a 5-membered aromatic ring, a substitutable 6-membered aromatic ring, a substitutable 5-membered unsaturated or aromatic heterocyclic ring, and a substitutable 6-membered unsaturated or aromatic heterocyclic ring, or a polycyclic ring formed by a fusion of two or more rings selected from the group, in which each X may have one or more substituents selected from the Substituent Group G1;
• and
• Y is a substituent bonded to the pyrrol ring, being selected from the Substituent Group G1, or Y is a ring fused with the pyrrol ring, being a ring selected from the group consisting of a 5-membered aromatic ring, a substitutable 6-membered aromatic ring, a substitutable 5-membered unsaturated or aromatic heterocyclic ring, and a substitutable 6-membered unsaturated or aromatic heterocyclic ring, or a polycyclic ring formed by a fusion of two or more rings selected from the above group, in which Y may have one or more substituents selected from the Substituent Group G1.