Optical film and display device comprising same

An optical film,

• comprising a dye or pigment absorbing at least some of a wavelength of 490 nm to 510 nm;
• having a transmission color of a D65 light source, a CIE standard illuminant, of −8<a*<8 and −8<b*<8, wherein a* indicates a direction the transmission color is leaned between red and green and b* indicates a direction the transmission color is leaned between yellow and blue;
• and
• satisfying the following Equations 1 and 2,
• wherein the dye or pigment is a compound represented by the following Chemical Formula 1:
• T%(500 nm)<T%(530 nm), [Equation 1]
• [T%(500 nm)×1.8]<[T%(460 nm)+T% (610 nm)] [Equation 2]
• wherein, in the Equations 1 and 2,
• T % (A nm) is transmittance at a wavelength of A nm
• in the Chemical Formula 1,
• X is Zn;
• Co;
• Ni or Pd;
• R1 to R6 and R8 to R13 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a halogen group;
• a nitrile group;
• a nitro group;
• —OC(═O) R;
• —(C═O)NR′R″;
• —(C═O)OR′″;
• —(C═O)Rx;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted aryl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted aryloxy group;
• a substituted or unsubstituted heteroaryloxy group;
• a substituted or unsubstituted alkylthio group;
• a substituted or unsubstituted arylthio group;
• a substituted or unsubstituted heteroarylthio group;
• or a substituted or unsubstituted heteroaryl group;
• R7 and R14 are the same as or different from each other, and each independently hydrogen;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted aryl group;
• a substituted or unsubstituted heteroaryl group;
• a substituted or unsubstituted aryloxy group;
• a substituted or unsubstituted arylthio group;
• a substituted or unsubstituted heteroarylthio group;
• or a substituted or unsubstituted heteroaryloxy group;
• R, R′, R″, R′″ and Rx are the same as or different from each other, and each independently hydrogen;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted heterocyclic group;
• or a substituted or unsubstituted aryl group, or R′ and R″ bond to each other to form a ring;
• and
• when R7 and R14 are hydrogen;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group and R2, R5, R9 and R12 are —C(═O)OR′″, R′″ is a substituted or unsubstituted aryl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted alkyl group;
• or a branched unsubstituted alkyl group having 3 to 30 carbon atoms.