A display panel (49, 79) comprising: a liquid crystal layer (40, 70) arranged to be driven to selectively transmit light based on a first image signal and a second image signal; a first backlight unit (41, 71) arranged at a first side (43, 73) of the liquid crystal layer, and configured to provide light entering the first side of the liquid crystal layer and exiting a first area (46, 76) on a second side (45, 75) opposite the first side of the liquid crystal layer to display the first image signal; and a second backlight unit (42, 72) arranged at the second side of the liquid crystal layer, and configured to provide light entering the second side of the liquid crystal layer and exiting a second area (44, 74) on the first side of the liquid crystal layer to display the second image signal, the second area of the first side and the first area of the second side not overlapping each other in a direction perpendicular to the first side and the second side, wherein the display panel is configured to display the first image and the second image on the first area and the second area respectively by turning on an area of the first backlight unit corresponding to the first area at the second side of the liquid crystal layer and turning on an area of the second backlight unit corresponding to the second area at the first side of the liquid crystal layer; characterized in that the display panel further comprises input circuitry configured to receive an input, wherein the display panel is configured to adjust the positions and sizes of the first area of the second side and the second area of the first side of the liquid crystal layer in response to the received input. a liquid crystal layer (40, 70) arranged to be driven to selectively transmit light based on a first image signal and a second image signal; a first backlight unit (41, 71) arranged at a first side (43, 73) of the liquid crystal layer, and configured to provide light entering the first side of the liquid crystal layer and exiting a first area (46, 76) on a second side (45, 75) opposite the first side of the liquid crystal layer to display the first image signal; and a second backlight unit (42, 72) arranged at the second side of the liquid crystal layer, and configured to provide light entering the second side of the liquid crystal layer and exiting a second area (44, 74) on the first side of the liquid crystal layer to display the second image signal, the second area of the first side and the first area of the second side not overlapping each other in a direction perpendicular to the first side and the second side, wherein the display panel is configured to display the first image and the second image on the first area and the second area respectively by turning on an area of the first backlight unit corresponding to the first area at the second side of the liquid crystal layer and turning on an area of the second backlight unit corresponding to the second area at the first side of the liquid crystal layer; characterized in that the display panel further comprises input circuitry configured to receive an input, wherein the display panel is configured to adjust the positions and sizes of the first area of the second side and the second area of the first side of the liquid crystal layer in response to the received input