A compound represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, X1 and X2 are the same as or different from each other, and each independently a halogen group; a nitrile group; a substituted or unsubstituted alkyl group; or a substituted or unsubstituted alkoxy group; R1, R3, R4 and R6 are the same as or different from each other, and each independently a phenyl group unsubstituted or substituted with a nitrile group, a halogen group, an arylamine group, an alkoxy group or an alkyl group unsubstituted or substituted with a halogen group; a pyridyl group unsubstituted or substituted with an alkyl group; or a dibenzofuranyl group; R2 and R5 are the same as or different from each other, and each independently hydrogen; a fluoro group; a nitrile group; a methylester group; a phenylester group; a methylsulfoxy group; a methyl group substituted with a phenyl group substituted with a nitro group; an ethyl group; an n-propyl group; a coumarin group; a phenyl group unsubstituted or substituted with a fluoro group, a trifluoromethyl group, a phenyl group, a biphenyl group, or a triazinyl group substituted with a phenyl group; a biphenyl group substituted with a phenyl group; a terphenyl group; a pyrimidyl group; a furanyl group; a naphthyl group; a quinolyl group; a benzothiadiazolyl group; a phenanthrenyl group; a pyrenyl group; a triphenylenyl group; a spirobifluorenyl group; or a fluoranthenyl group;R7 is a group represented by the following Chemical Formula 2; in Chemical Formula 2, Y1 is O or S; any one of G1 to G8 is a site bonding to Chemical Formula 1, and the rest are the same as or different from each other and each independently hydrogen; or adjacent groups bond to each other to form a ring substituted with R', when adjacent groups among G1 to G8 bond to each other to form a ring substituted with R', any one of groups among G1 to G8 not forming the ring by the adjacent group bonding to each other and R' is a site bonding to Chemical Formula 1, and the rest of R' are hydrogen. X1 and X2 are the same as or different from each other, and each independently a halogen group; a nitrile group; a substituted or unsubstituted alkyl group; or a substituted or unsubstituted alkoxy group; R1, R3, R4 and R6 are the same as or different from each other, and each independently a phenyl group unsubstituted or substituted with a nitrile group, a halogen group, an arylamine group, an alkoxy group or an alkyl group unsubstituted or substituted with a halogen group; a pyridyl group unsubstituted or substituted with an alkyl group; or a dibenzofuranyl group; R2 and R5 are the same as or different from each other, and each independently hydrogen; a fluoro group; a nitrile group; a methylester group; a phenylester group; a methylsulfoxy group; a methyl group substituted with a phenyl group substituted with a nitro group; an ethyl group; an n-propyl group; a coumarin group; a phenyl group unsubstituted or substituted with a fluoro group, a trifluoromethyl group, a phenyl group, a biphenyl group, or a triazinyl group substituted with a phenyl group; a biphenyl group substituted with a phenyl group; a terphenyl group; a pyrimidyl group; a furanyl group; a naphthyl group; a quinolyl group; a benzothiadiazolyl group; a phenanthrenyl group; a pyrenyl group; a triphenylenyl group; a spirobifluorenyl group; or a fluoranthenyl group;R7 is a group represented by the following Chemical Formula 2; Y1 is O or S; any one of G1 to G8 is a site bonding to Chemical Formula 1, and the rest are the same as or different from each other and each independently hydrogen; or adjacent groups bond to each other to form a ring substituted with R', when adjacent groups among G1 to G8 bond to each other to form a ring substituted with R', any one of groups among G1 to G8 not forming the ring by the adjacent group bonding to each other and R' is a site bonding to Chemical Formula 1, and the rest of R' are hydrogen. <EOS>