Patent 10490169 was granted and assigned to LG on November, 2019 by the United States Patent and Trademark Office.
A display device including a body; a roller rotatably installed in the body; a flexible display configured to be wound or unwound from the roller in response to a rotation of the roller; and a controller configured to detect a type of a content to be displayed, and change a screen size of the flexible display according to the detected type of the content by winding or unwinding of the flexible display.