A light emitting device material, comprising a pyrene compound represented by formula: wherein R 1 to R 17 may be the same or different and are each selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted aryl ether group, a substituted or unsubstituted aryl thioether group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, an amino group, a substituted or unsubstituted silyl group, -P(=O)R 18 R 19, R 18 and R 19 are each selected from a substituted or unsubstituted aryl group and a substituted or unsubstituted heteroaryl group, n is an integer of 1 to 2, one or two dibenzofuran skeletons are included in the molecule, and X is selected from the group consisting of a single bond, an arylene group and a heteroarylene group, provided that at least one of R 10 to R 17 is used to link to X; wherein at least one of R 3 and R 5 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, or R 3 and R 5 are each hydrogen, R 4 is a substituted or unsubstituted alkyl group, and R 8 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, wherein the following pyrene compounds are excluded: R 1 to R 17 may be the same or different and are each selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted aryl ether group, a substituted or unsubstituted aryl thioether group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, an amino group, a substituted or unsubstituted silyl group, -P(=O)R 18 R 19, R 18 and R 19 are each selected from a substituted or unsubstituted aryl group and a substituted or unsubstituted heteroaryl group, n is an integer of 1 to 2, one or two dibenzofuran skeletons are included in the molecule, and X is selected from the group consisting of a single bond, an arylene group and a heteroarylene group, provided that at least one of R 10 to R 17 is used to link to X; wherein at least one of R 3 and R 5 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, or R 3 and R 5 are each hydrogen, R 4 is a substituted or unsubstituted alkyl group, and R 8 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, wherein the following pyrene compounds are excluded: at least one of R 3 and R 5 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, or R 3 and R 5 are each hydrogen, R 4 is a substituted or unsubstituted alkyl group, and R 8 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group selected from the group consisting of: furanyl, thiophenyl, pyrrolyl, benzofuranyl, benzothiophenyl, indolyl, pyridyl or quinolinyl group, wherein the following pyrene compounds are excluded: