Hard coating film and display device using the same

1. A display device comprising:

a display element including a plurality of thin film transistors; and

a hard coating film on the display element, the hard coating film including:

a base film; and

a hard coating layer having a single-layer structure on the base film, the hard coating layer including a photo-curable resin composition and a plurality of porous particles which are formed from polyethylene or polypropylene,

wherein the plurality of porous particles have an outer diameter in a range of about 1 nm to about 30 nm,

wherein the photocurable resin composition comprises a cage type silsesquioxane resin,

wherein the cage type silsesquioxane resin includes a compound represented by Chemical Formula 1:

[R 1 —SiO 3/2 ] n   [Chemical Formula 1]

wherein the ‘n’ is one of integers of 6 to 18 and the ‘R 1 ’ is one selected from materials which are represented by Chemical Formula 2 to Chemical Formula 5;

wherein the ‘m’ is one of integers of 1 to 20 and the ‘R 10 ’ becomes any one of aliphatic and aromatic hydrocarbons each having a number of carbon atoms corresponding to 1 to 80, and

wherein the cage type silsesquioxane resin includes cage type silsesquioxane resin formed in a hexagonal structure including a compound represented by the Chemical Formula 1 in which the ‘n’ is 12.

2. The display device of claim 1 , wherein the cage type silsesquioxane resin is included into the photo-curable resin composition by about 5 to about 95 wt %.

3. The display device of claim 1 , wherein the plurality of porous particles are included into the hard coating layer by about 0.2 to about 3.0 wt %.

4. The display device of claim 3 , wherein the hard coating layer has a reflectance below about 4%.

5. The display device of claim 1 , wherein the hard coating layer further includes a fingerprint resistant additive.

6. The display device of claim 5 , wherein the fingerprint resistant additive is included into the hard coating layer by about 1 to about 5 wt %.

7. The display device of claim 5 , wherein the fingerprint resistant additive includes a chain type siloxane acrylate.

8. The display device of claim 5 , wherein the fingerprint resistant additive includes a compound represented by Chemical Formula 7:

wherein the ‘a’ is one of integers of 0 to 1000, the ‘b’ is one of integers of 1 to 30 and the ‘c’ is one of integers of 1 to 25.

9. The display device of claim 1 , wherein the hard coating layer further includes a photo polymerization initiator.

10. The display device of claim 1 , wherein hard coating layer further includes an acrylic monomer.

11. The display device of claim 1 , wherein the hard coating film has a thickness in a range of about 5 μm to about 150 μm.

12. The display device of claim 1 , further comprises a touch panel between the display element and the hard coating film.

13. The display device of claim 1 , wherein the display element is a liquid crystal display element or an organic light emitting display element.

14. The display device of claim 1 , wherein the plurality of porous particles have an empty space with air in their inside.

15. The display device of claim 1 , wherein R 1 is selected from materials which are represented by Chemical Formula 4 and Chemical Formula 5: