Light source device and display

A display device comprising a display section and a light source device, the light source device including:

• a light guide plate having a first plane and a second plane which face each other;
• one or more light sources each disposed beside the light guide plate along a side surface thereof;
• and
• an optical device disposed to face the second plane,
• wherein the display section is disposed to face the first plane,
• one or both of the first plane and the second plane of the light guide plate each have regions each allowing a part of light from the light sources to exit from the light guide plate, and
• at least a part of the optical device corresponding to a region of the display section displaying parallax images is controlled to stay in a light-off state.

A display device comprising:

• a display panel configured to display a plurality of parallax images;
• a light guide plate having a first plane and a second plane which face each other;
• and
• one or more light sources each disposed beside the light guide plate along a side surface thereof,
• wherein the display section is disposed to face the first plane,
• one or both of the first plane and the second plane of the light guide plate each have regions each allowing a part of light from the light sources to exit from the light guide plate,
• at least one of the first plane and the second plane of the light guide plate has a plurality of regions configured to exit a part of light from the light guide plate within 1 millimeter cycle corresponding to the parallax images.