Display unit

摘要

A display unit having a light-receiving type display device for displaying an information by receiving light from external light source and a self-illuminating type display device provided under the light-receiving type display device for acting as the external light source for the light-receiving type display device and for displaying information different from the information displayed by the light-receiving type display device. The light-receiving type display device and the self-illuminating type display device each display a predetermined pattern different from the other. Accordingly, this display unit is capable of displaying the predetermined patterns of the self-illuminating type display device by controllably causing the self-illuminating type display device to display its patterns and is also capable of displaying the predetermined patterns of the light-receiving type display device by controllably causing the self-illuminating type display device to act as the light source of the light-receiving type display.