Image display apparatus, three-dimensional image display apparatus, and three-dimensional image display system

A three-dimensional image display system which displays a three-dimensional image, comprising a server device and a three-dimensional image display apparatus, wherein:

• the server device comprises:
• an interference fringe computing section configured to calculate an interference fringe generated by an object beam and a reference beam;
• a storage section configured to store a table in which each of a plurality of voltage values to be applied to each of a plurality of control points is associated with an image pattern of the interference fringe to which crosstalk is reflected;
• and
• a transmission section configured to select the image pattern of the interference fringe which is the most similar to a calculated interference fringe, to determine the plurality of voltage values in association with a selected image pattern of the interference fringe, and to transmit a plurality of determined voltage values to the three-dimensional image display apparatus;
• and
• the three-dimensional image display apparatus comprises:
• a light modulation device having an electro-optic effect in which a refractive index changes according to electric field intensity;
• the plurality of control points provided on a surface of the light modulation device;
• and
• an electric field control section configured to apply, to each of the plurality of control points, a voltage corresponding to each of the plurality of voltage values received from the server device, and to form electric field displacement surfaces having the image pattern of the interference fringe which is the most similar to the calculated interference fringe, in the light modulation device.

An image display apparatus, comprising:

• a light modulation device having an electro-optic effect in which a refractive index changes according to electric field intensity;
• a plurality of control points configured by top electrodes on a top surface of the light modulation device and bottom electrodes on a bottom surface of the light modulation device, a relative positional relationship between each of the plurality of control points and the light modulation device being able to be changed, complying with at least one of position movement of the top electrodes on the top surface and position movement of the bottom electrodes on the bottom surface;
• and
• an electric field control section configured to synthesize pre-change electric field displacement surfaces formed by voltages applied to the plurality of control points in which the positional relationship has not been changed and post-change electric field displacement surfaces formed by voltages applied to the plurality of control points in which the positional relationship has been changed, and to form electric field displacement surfaces having a predetermined image pattern in the light modulation device.

A three-dimensional image display apparatus which displays a three-dimensional image by using a calculated interference fringe, the apparatus comprising:

• a light modulation device having an electro-optic effect in which a refractive index changes according to electric field intensity;
• a plurality of control points configured by top electrodes on a top surface of the light modulation device and bottom electrodes on a bottom surface of the light modulation device, a relative positional relationship between each of the plurality of control points and the light modulation device being able to be changed, complying with at least one of position movement of the top electrodes on the top surface and position movement of the bottom electrodes on the bottom surface;
• and
• an electric field control section configured to synthesize pre-change electric field displacement surfaces formed by voltages applied to the plurality of control points in which the positional relationship has not been changed and post-change electric field displacement surfaces formed by voltages applied to the plurality of control points in which the positional relationship has been changed, and to form electric field displacement surfaces having an image pattern equivalent to an image pattern of the interference fringe, in the light modulation device.

A three-dimensional image display system which displays a three-dimensional image, comprising a server device and a three-dimensional image display apparatus, wherein:

• the server device comprises:
• an interference fringe computing section configured to calculate an interference fringe generated by an object beam and a reference beam;
• a storage section configured to store an image pattern of an interference fringe, change information on a change in a relative positional relationship between each of a plurality of control points and a light modulation device of the three-dimensional image display apparatus, a pre-change voltage value to be applied to each of the plurality of control points in which the relative positional relationship has not been changed, and a post-change voltage value to be applied to each of the plurality of control points in which the relative positional relationship has been changed, in association with one another;
• and
• a transmission section configured to transmit the change information, the pre-change voltage value, and the post-change voltage value which are associated with the image pattern of the calculated interference fringe, to the three-dimensional image display apparatus;
• and
• the three-dimensional image display apparatus comprises:
• a light modulation device having an electro-optic effect in which a refractive index changes according to electric field intensity;
• the plurality of control points configured by top electrodes on a top surface of the light modulation device and bottom electrodes on a bottom surface of the light modulation device, a relative positional relationship between each of the plurality of control points and the light modulation device being able to be changed, complying with at least one of position movement of the top electrodes on the top surface and position movement of the bottom electrodes on the bottom surface;
• a moving section configured to change the relative positional relationship between each of the plurality of control points and the light modulation device based on the change information;
• and
• an electric field control section configured to apply, to each of the plurality of control points, a voltage corresponding to each of the plurality of the pre-change voltage values received from the server device before the moving section changes the relative positional relationship, to apply, to each of the plurality of control points, a voltage corresponding to each of the plurality of the post-change voltage values received from the server device after the moving section changes the relative positional relationship, and to form electric field displacement surfaces having an image pattern equivalent to the image pattern of the interference fringe, in the light modulation device.