<p>A display device is provided with a plurality of pixel sections (150) and performs image display operation and image reading operation. Each of the pixel sections (150) is provided with a light output section (160) for outputting a first light, and a light receiving section (102) for receiving a reflection light obtained by irradiating an object with the first light. The display device is further provided with a directivity adjusting section for adjusting the directivity of the first light. The pixel sections (150) are classified into a plurality of groups. The light output section (160) outputs the first light and the light receiving section (102) receives the reflection light by the group.</p>
