Display device and method of operating the same

A display device comprising:

• a display configured to display content;
• a user input interface configured to receive a signal from a remote control device;
• and
• a controller configured to:
• cause the display to display a video of first content on a first layer of a screen;
• cause the display to display a first on screen display (OSD) window in a first area of a second layer of the screen in response to a first OSD window output request received via the user input interface;
• set a transparency of the displayed first OSD window to a predetermined first transparency when a pointer of the remote control device is detected at a second area of the second layer of the screen;
• and
• set the transparency of the displayed first OSD window to a predetermined second transparency which is lower than the first transparency when the pointer is detected at the first area of the second layer of the screen,
• wherein the second area of the second layer of the screen and the first area of the second layer of the screen are different areas with respect to an overall area of the screen, and
• wherein when the first OSD window is displayed, the controller is further configured to cause the display to display the pointer at the first area of the second layer of the screen or at the second area of the second layer of the screen according to a set location of the pointer.