Method for displaying 3 dimensional image and display device for performing the same

PURPOSE: A method for displaying a 3d image and a display device for performing the same are provided to prevent mixture of a left eye image and a right eye image. CONSTITUTION: A display panel(110) displays an image. An image processing device(200) divides a 3D image frame inputted from the outside into the first image frame for a left eye and the second image frame for a right eye. The image processing device generates the first and second compensation frames after the first and second image frames. The image processing device provides the first and second compensation frames to the display panel. A light source device(300) includes a light source module including light emitting blocks.