| abstract |
The present invention relates to a polyimide-based film exhibiting excellent visibility, a method for preparing same, and a display device comprising the prepared film. Particularly, the present invention relates to a polyimide-based film, a window cover film, and a display panel comprising same, the polyimide-based film maintaining linear polarization with respect to incident polarization in the direction of an inclination as well as incident polarization in the direction of a normal line of the film. |