| 摘要 |
A display device according to an embodiment of the present invention is connected to another display device to divide and display the entire image of contents, and an operating method for the display device comprises the steps of: displaying a first image on a screen of the display device; receiving an image quality comparison result between the displayed first image and a second image displayed on the other display device from an electronic device connected to the display device; and correcting an image quality difference between the first image and the second image on the basis of the received image quality comparison result. |
