ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS

1 . An anti-reflective film comprising

a low moisture permeable polymer film; a hard coating layer; and a low refractive index layer,

wherein a first peak appears at 2θ value of greater than or equal to 22 and less than or equal to 24°, and a second peak at 2θ value of greater than 24 and less than or equal to 27°, in reflection mode X-ray diffraction (XRD) pattern.

2 . The anti-reflective film according to claim 1 ,

wherein a ratio of the intensity of the first peak (P1) to the intensity of the second peak (P2) is at least 0.4.

3 . The anti-reflective film according to claim 1 ,

wherein the low refractive index layer comprises a binder resin, and inorganic fine particles dispersed in the binder resin.

4 . The anti-reflective film according to claim 3 ,

wherein the binder resin comprises (co)polymer of photopolymerizable compounds.

5 . The anti-reflective film according to claim 4 ,

wherein the binder resin further comprises crosslinked polymer of a photopolymeriazble compound, a fluorine-containing compound comprising a photoreactive functional group, and polysilsesquioxane substituted with one or more reactive functional groups.

6 . The anti-reflective film according to claim 5 ,

wherein the fluorine-containing compound comprising a photoreactive functional group comprises one or more selected from the group consisting of i) aliphatic compounds or alicyclic compounds substituted with one or more photoreactive functional groups, in which at least one carbon is substituted with one or more fluorine atoms; ii) heteroaliphatic compounds or heteroalicyclic compounds substituted with one or more photoreactive functional groups, in which at least one hydrogen is replaced with fluorine, and at least one carbon is replaced with silicon; iii) polydialkyl siloxane-based polymer substituted with one or more photoreactive functional groups, in which at least one silicon is substituted with one or more fluorine atoms; and iv) polyether compounds substituted with one or more photoreactive functional groups, in which at least one hydrogen is replaced with fluorine.

7 . The anti-reflective film according to claim 5 ,

wherein the reactive functional group substituted at polysilsesquioxane includes one or more functional groups selected from the group consisting of alcohol, amine, carboxylic acid, epoxide, imide, (meth)acrylate, nitrile, norbornene, olefin, polyethyleneglycol, thiol and vinyl groups.

8 . The anti-reflective film according to claim 3 ,

wherein the inorganic fine particles include one or more selected from the group consisting of solid inorganic nanoparticles having an average diameter of 0.5 to 100 nm and hollow inorganic nanoparticles having an average diameter of 1 to 200 nm.

9 . The anti-reflective film according to claim 1 ,

wherein the hard coating layer comprises a binder resin comprising a photocurable resin, and organic or inorganic fine particles dispersed in the binder resin.

10 . The anti-reflective film according to claim 9 ,

wherein the binder resin of the hard coating layer further comprises high molecular weight (co)polymer having a number average molecular weight of at least 10,000.

11 . The anti-reflective film according to claim 1 ,

wherein the low moisture permeable polymer film has

a thickness direction retardation (Rth) of at least 5,000 nm as measured at a wavelength of 400 nm to 800 nm, and

a ratio of a tensile strength in one direction to a tensile strength in a direction perpendicular to the one direction, of at least 2, and

wherein the tensile strength in a direction perpendicular to the one direction is smaller than the tensile strength in one direction.

12 . The anti-reflective film according to claim 1 ,

wherein the low moisture permeable polymer film is a polyethylene terephthalate film.

13 . The anti-reflective film according to claim 1 ,

wherein the anti-reflective film has an average reflectance of 2.0% or less in a wavelength region of 380 nm to 780 nm.

14 . The anti-reflective film according to claim 1 ,

wherein the anti-reflective film has

an average reflectance deviation of 0.2% p or less, and

a light transmittance deviation of 0.2% p or less.

15 . A polarizing plate comprising the anti-reflective film according to claim 1 , and a polarizer.

16 . A display apparatus comprising the anti-reflective film according to claim 1 .