Abstract: A method of displaying an image and an image display apparatus are provided. The method includes a method of displaying an image, the method including displaying an image of a current channel among channels, receiving a first input to change the current channel to a next channel after the current channel, or a second input to change the current channel to a previous channel before the current channel, and dividing a display into areas in response to the receiving the first input or the second input. The method further includes displaying images of next channels after the current channel in the areas, in response to the receiving the first input, and displaying images of previous channels before the current channel in the areas, in response to the receiving the second input.

Abstract: A method of displaying an image and an image display apparatus are provided. The method includes a method of displaying an image, the method including displaying an image of a current channel among channels, receiving a first input to change the current channel to a next channel after the current channel, or a second input to change the current channel to a previous channel before the current channel, and dividing a display into areas in response to the receiving the first input or the second input. The method further includes displaying images of next channels after the current channel in the areas, in response to the receiving the first input, and displaying images of previous channels before the current channel in the areas, in response to the receiving the second input.

Abstract: Embodiments disclose a display apparatus including: an image processing device which processes an image signal; a display device which displays an image based on the processed image signal; a connection device which connects to an upgrade apparatus which processes the image signal; a power supply device which supplies power to each component of the display apparatus and the upgrade apparatus through the connection device; and a first controller which controls the connection device to receive the processed image signal from the upgrade apparatus when the upgrade apparatus is connected through the connection device, wherein the power supply device is controlled by the upgrade apparatus connected through the connection device.