Electronic apparatus and control method thereof

1. An electronic apparatus comprising:

a panel device comprising a plurality of image display pixels and a plurality of image sensing elements;

an optical element disposed on an upper portion of the panel device, wherein the plurality of image sensing elements are configured to sense an incident light through the optical element;

a viewing zone adjusting assembly configured to adjust a field of view (FOV) of the plurality of image sensing elements; and

a processor configured to:

control the viewing zone adjusting assembly to adjust an angle of the FOV of the plurality of image sensing elements, and

control the panel device to display an image generated based on the sensed incident light,

wherein each of the plurality of image sensing elements are disposed between each of the plurality of image display pixels, respectively, in a two-dimensional array,

wherein the optical element comprises a plurality of liquid crystal lenses including liquid crystals,

wherein the processor is further configured to:

control the viewing zone adjusting assembly to differently adjust the angle of the FOV of the plurality of image sensing elements disposed at different arrangement positions based on a user command,

wherein each of the plurality of image sensing elements is disposed on a different layer from the plurality of image display pixels,

wherein the viewing zone adjusting assembly comprises a liquid crystal shutter disposed on or below the optical element, the liquid crystal shutter comprising a plurality of cells having a smaller size than that of the plurality of image sensing elements,

wherein the processor is further configured to:

control an opening or closing operation of each of the plurality of cells by controlling whether or not a voltage is applied to each of the plurality of cells included in the liquid crystal shutter,

adjust a FOV of a display by adjusting at least one of an opening position or an opening size of the liquid crystal shutter based on an arrangement position of each of optical lenses included in the optical element,

control the opening or closing operation of each of the plurality of cells such that light is incident from the liquid crystal shutter corresponding to at least one image sensing element disposed in an outer region to at least one cell region located at a first position, when the FOV of the display is enlarged,

control the opening or closing operation of each of the plurality of cells such that the light is incident from the liquid crystal shutter corresponding to the at least one image sensing element disposed in the outer region to at least one cell region located at a second position, when the FOV of the display is reduced, the second position being different from the first position,

perform time division driving such that the plurality of image sensing elements are not driven during a first period in which the plurality of image display pixels are driven, and the plurality of image display pixels are not driven during a second period in which the plurality of image sensing elements are driven,

process a plurality of images based on a FOV of each of the plurality of images acquired from the plurality of image sensing elements to obtain an output image to be displayed on the plurality of image display pixels,

control the viewing zone adjusting assembly to adjust the FOV of the at least one image sensing element based on a distance of the at least one image sensing element with respect to a center of the panel device, and

increase the FOV of the at least one image sensing element as the distance with respect to the center of the panel device of the at least one image sensing element increases.

2. The electronic apparatus as claimed in claim 1 , wherein the viewing zone adjusting assembly comprises a voltage applier configured to apply a voltage to the optical element,

wherein the processor is further configured to control the voltage applier to apply different voltages to each of the plurality of liquid crystal lenses based on arrangement positions of the plurality of liquid crystal lenses, and

wherein an angle of an alignment of the liquid crystals change based on an intensity of the voltage applied.

3. The electronic apparatus as claimed in claim 1 , wherein the optical element is configured to disperse light emitted from the plurality of image display pixels.

4. The electronic apparatus as claimed in claim 1 , wherein each of the plurality of image sensing elements is a single sensing element or a two-dimensional sensing element of a macro pixel form.

5. A control method of an electronic apparatus including a panel device comprising a plurality of image display pixels and a plurality of image sensing elements, an optical element disposed on an upper portion of the panel device, wherein the plurality of image sensing elements are configured to sense an incident light through the optical element, and a viewing zone adjusting assembly configured to adjust a field of view (FOV) of the plurality of image sensing elements, the control method comprising:

controlling the viewing zone adjusting assembly to adjust an angle of the FOV of the plurality of image sensing elements; and

controlling the panel device to display an image generated based on the sensed incident light,

wherein each of the plurality of image sensing elements are disposed between each of the plurality of image display pixels, respectively, in a two-dimensional array,

wherein the optical element comprises a plurality of liquid crystal lenses including liquid crystals,

wherein the controlling the viewing zone adjusting assembly comprises:

controlling the viewing zone adjusting assembly to differently adjust the angle of the FOV of the plurality of image sensing elements disposed at different arrangement positions based on a user command,

wherein each of the plurality of image sensing elements is disposed on a different layer from the plurality of image display pixels,

wherein the viewing zone adjusting assembly comprises a liquid crystal shutter disposed on or below the optical element, the liquid crystal shutter comprising a plurality of cells having a smaller size than that of the plurality of image sensing elements,

wherein the controlling the viewing zone adjusting assembly comprises:

controlling an opening or closing operation of each of the plurality of cells by controlling whether or not a voltage is applied to each of the plurality of cells included in the liquid crystal shutter,

adjusting a FOV of a display by adjusting at least one of an opening position or an opening size of the liquid crystal shutter based on an arrangement position of each of optical lenses included in the optical element,

controlling the opening or closing operation of each of the plurality of cells such that light is incident from the liquid crystal shutter corresponding to at least one image sensing element disposed in an outer region to at least one cell region located at a first position, when the FOV of the display is enlarged,

controlling the opening or closing operation of each of the plurality of cells such that the light is incident from the liquid crystal shutter corresponding to the at least one image sensing element disposed in the outer region to at least one cell region located at a second position, when the FOV of the display is reduced, the second position being different from the first position,

performing time division driving such that the plurality of image sensing elements are not driven during a first period in which the plurality of image display pixels are driven, and the plurality of image display pixels are not driven during a second period in which the plurality of image sensing elements are driven,

processing a plurality of images based on a FOV of each of the plurality of images acquired from the plurality of image sensing elements to obtain an output image to be displayed on the plurality of image display pixels,

controlling the viewing zone adjusting assembly to adjust the FOV of the at least one image sensing element based on a distance of the at least one image sensing element with respect to a center of the panel device, and

increasing the FOV of the at least one image sensing element as the distance with respect to the center of the panel device of the at least one image sensing element increases.

6. The control method as claimed in claim 5 , wherein the viewing zone adjusting assembly comprises a voltage applier configured to apply a voltage to the optical element, and

wherein in the controlling of the viewing zone adjusting assembly, the voltage applier is controlled to apply different voltages to each of the plurality of liquid crystal lenses based on arrangement positions of the plurality of liquid crystal lenses, and

wherein an angle of an alignment of the liquid crystals change based on an intensity of the voltage applied.