An organic thin film transistor comprising an organic semiconductor film containing a compound represented by Formula : wherein R 1 and R 2 are the same and are alkyl groups having 30 or less carbon atoms optionally substituted by a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a nitro group, a carboxy group, an alkoxy group, an aryloxy group, a silyloxy group, a heterocyclic oxy group, an acyloxy group, a carbamoyloxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group, an ammonio group, an acylamino group, an aminocarbonylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfamoylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfamoyl group, a sulfo group, an alkylsulfinyl group, an arylsulfinyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, carbamoyl group, an arylazo group, a heterocyclic azo group, an imide group, a phosphino group, a phosphinyl group, a phosphinyloxy group, a phosphinylamino group, a phosphono group, a silyl group, a hydrazino group, a ureido group, a boronic acid group (-B(OH) 2 ), a phosphato group (-OPO(OH) 2 ) or a sulfato group (-OSO 3 H); R 4 and R 5 are the same and represent hydrogen atoms, halogen atoms or cyano groups; W represents a sulfur atom; and X 1 , X 2 , X 3 , and X 4 each independently represent an oxygen atom, a sulfur atom, a selenium atom or a tellurium atom, and at least one of X 1 to X 4 is a sulfur atom or a selenium atom. wherein R 1 and R 2 are the same and are alkyl groups having 30 or less carbon atoms optionally substituted by a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a nitro group, a carboxy group, an alkoxy group, an aryloxy group, a silyloxy group, a heterocyclic oxy group, an acyloxy group, a carbamoyloxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group, an ammonio group, an acylamino group, an aminocarbonylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfamoylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfamoyl group, a sulfo group, an alkylsulfinyl group, an arylsulfinyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, carbamoyl group, an arylazo group, a heterocyclic azo group, an imide group, a phosphino group, a phosphinyl group, a phosphinyloxy group, a phosphinylamino group, a phosphono group, a silyl group, a hydrazino group, a ureido group, a boronic acid group (-B(OH) 2 ), a phosphato group (-OPO(OH) 2 ) or a sulfato group (-OSO 3 H); R 4 and R 5 are the same and represent hydrogen atoms, halogen atoms or cyano groups; W represents a sulfur atom; and X 1 , X 2 , X 3 , and X 4 each independently represent an oxygen atom, a sulfur atom, a selenium atom or a tellurium atom, and at least one of X 1 to X 4 is a sulfur atom or a selenium atom. <EOS>