Controller configured to generate display area information and display device including the same

A controller comprising:

• a display area information generation unit configured to generate display area information of a plurality of pixels based on shape information of a second display area having lower resolution than a first display area;
• an image processing unit configured to determine second image data corresponding to the second display area based on the display area information, and to perform blurring on the second image data;
• and
• a control unit configured to control the blurred second image data to be displayed on a display panel, wherein
• the shape information of the second display area includes position information of a starting point of the second display area, vertical length information indicating a vertical length of the second display area, line-based direction information related to a distance between a border of the second display area and a center axis of the second display area, and width information indicating a width of the second display area, and
• the plurality of pixels include first light-emitting pixels corresponding to the first display area, second light-emitting pixels and non-light-emitting pixels corresponding to the second display area.