Anti-reflective film, polarizing plate, and display apparatus
The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.
1. An anti-reflective film comprising a hard coating layer; and a low refractive index layer containing a fluorine-containing compound and hollow inorganic particles, wherein a content of the fluorine-containing compound relative to the total weight of the low refractive index layer is 2 to 9% by weight, and a content of the hollow inorganic particles relative to the total weight of the low refractive index layer is 29 to 60% by weight,
wherein a content of a fluorine atom existing on a surface of the low refractive index layer is more than 8.0 atomic %,
wherein a surface area difference percentage (SADP) of one surface of the low refractive index layer is 20% or less, and
wherein the anti-reflective film satisfies the following Equation 2,
F≥ 0.26V−6.11 [Equation 2]
wherein F is the content of the fluorine-containing compound and V is the content of the hollow inorganic particles.
2. The anti-reflective film of claim 1 ,
wherein a centerline average roughness (Ra) of the anti-reflective film is 10 nm or less.
3. The anti-reflective film of claim 1 ,
wherein the surface area difference percentage (SADP) is defined by the following Equation 1,
Surface area difference percentage (%)=((three-dimensional area−two-dimensional area)/(two-dimensional area))×100 [Equation 1].
4. The anti-reflective film of claim 1 ,
wherein the content of fluorine atom is a content of fluorine atom relative to the total content of atoms existing within a thickness of 10 nm in the thickness direction of the low refractive index layer from one surface of the low refractive index layer.
5. The anti-reflective film of claim 1 ,
wherein the fluorine-containing compound has a reactive functional group.
6. The anti-reflective film of claim 1 ,
wherein the anti-reflective film has an average reflectance of 2% or less in a visible light wavelength range of 380 nm to 780 nm.
7. The anti-reflective film of claim 1 ,
wherein a content of fluorine atom contained in the fluorine-containing compound is 1 to 60% by weight.
8. The anti-reflective film of claim 1 ,
wherein the low refractive index layer further includes a (co)polymer of a photopolymerizable compound.
9. The anti-reflective film of claim 1 ,
wherein the low refractive index layer further includes a cross-linked polymer of a photopolymerizable compound, the fluorine-containing compound, and a polysilsesquioxane substituted with one or more reactive functional groups.
10. The anti-reflective film of claim 1 ,
wherein the hard coating layer includes a binder resin including a photocurable resin; and organic or inorganic fine particles dispersed in the binder resin.
11. A polarizing plate comprising the anti-reflective film according to claim 1 and a polarizer.
12. A display apparatus comprising the anti-reflective film according to claim 1 .