Display device

A display device, comprising:

• a display module including a plurality of elemental pixel groups, each of the plurality of elemental pixel groups being configured to display an elemental image for displaying a reproduced image;
• an elemental lens array including a plurality of elemental lenses, the plurality of elemental lenses being provided in front of the plurality of elemental pixel groups in one-to-one correspondence;
• a diopter adjustment element array including a plurality of diopter adjustment elements, the plurality of diopter adjustment elements being provided in front of the plurality of elemental lenses in one-to-one correspondence;
• and
• a controller,
• wherein the controller is configured to:
• when reproducing the reproduced image in front of the display module, control a left region of the diopter adjustment element array for a right eye of the user and a right region of the diopter adjustment element array for a left eye of the user,
• when reproducing the reproduced image behind the display module, control the left region of the diopter adjustment element array for the left eye of the user and the right region of the diopter adjustment element array for the right eye of the user,
• control a part of the plurality of diopter adjustment elements in accordance with visual acuity of one eye of a user, and
• control the other part of the plurality of diopter adjustment elements in accordance with visual acuity of the other eye of the user.