Multiple operation modes for a display of an electronic device

Various embodiments relate to a method and device of providing information using an electronic device. The method according to an embodiment may include an operation of identifying at least one display region corresponding to at least one open region formed on a portion of a cover of the electronic device (e.g., portable terminal) from a display screen of the electrode device and an operation of operating the at least one display region in a first mode and operating at least a portion of the rest display screen in a second mode. Other embodiments are possible.