A display unit having a pivot function and prolonged lives of light sources has been implemented according to the present invention. The display unit includes: a screen that is changeable between a first position and a second position and displays an image; at least one first light source that illuminates the screen in the first position; at least one second light source that illuminates the screen in the second position; and a turn-on control section that controls turning on of the first light source and the second light source according to a position. A display device and an information processing apparatus each provided with the display unit have also been implemented according to the present invention.