THREE-DIMENSIONAL IMAGE DISPLAY DEVICE

• US 20140168395A1
• Filed: 08/24/2012
• Published: 06/19/2014
• Est. Priority Date: 08/26/2011
• Status: Abandoned Application

• Current Assignee: Nikon Corporation
• Original Assignee: Nikon Corporation
• Inventors: Iwane, Toru
• Application Number:
  US14/238,285
• Publication Number:
  US 20140168395A1
• Time in Patent Office: Days
• US Class Current: 348/59
• CPC Class Codes: G02B 3/0056 arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses G02B3/0043 takes precedence; miniaturised objectives for electronic devices employing wafer level optics G02B13/0085
• CPC Class Codes: G02B 30/27 involving lenticular arrays
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: H04N 13/307 using fly-eye lenses, e.g. arrangements of circular lenses

Abstract

A three-dimensional image display device includes: an input unit that inputs image data; a first image conversion unit that converts the image data to first image display data which include 2-D information; a display unit having a plurality of display pixels disposed in a two-dimensional pattern, which emits light fluxes from the plurality of display pixels in correspondence to the first image display data; and a micro-lens array having a plurality of micro-lenses disposed in a two-dimensional pattern, via which a three-dimensional image or a two-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels.

Claims

1. A three-dimensional image display device, comprising:

an input unit that inputs image data;

a first image conversion unit that converts the image data to first image display data which include 2-D information;

a display unit having a plurality of display pixels disposed in a two-dimensional pattern, which emits light fluxes from the plurality of display pixels in correspondence to the first image display data; and

a micro-lens array having a plurality of micro-lenses disposed in a two-dimensional pattern, via which a three-dimensional image or a two-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels.

2. A three-dimensional image display device according to claim 1, further comprising:

a second image conversion unit that converts the image data to second image display data which include 3-D information, wherein;

the display unit emits light fluxes from the plurality of display pixels in correspondence to the first image display data and the second image display data.

3. A three-dimensional image display device according to claim 2, wherein:

the three-dimensional image and the two-dimensional image are displayed on a single plane.

4. A three-dimensional image display device, comprising:

a display unit having a plurality of display pixel clusters disposed in a two-dimensional array, each of the plurality of display pixel clusters including a plurality of display pixels disposed in a two-dimensional pattern;

a plurality of optical members disposed, each in correspondence to one of the plurality of display pixel clusters, in a two-dimensional array, which project the corresponding display pixel clusters;

a three-dimensional image data output unit that outputs three-dimensional image data;

a first display control unit that displays the three-dimensional image data as a three-dimensional image via the optical members by controlling the display pixels based upon the three-dimensional image data;

a two-dimensional image data output unit that outputs two-dimensional image data;

a conversion unit that divides the two-dimensional image data into a plurality of two-dimensional image data segments and converts each of the two-dimensional image data segments into a plurality of two-dimensional image display data segments; and

a second display control unit that controls the display pixel clusters each corresponding to the plurality of two-dimensional image display data segments based upon the two-dimensional image display data segments so as to display each set of the two-dimensional image data as a two-dimensional image by synthetically generating a projected image via the optical members related to the plurality of display pixel clusters corresponding to the plurality of sets of two-dimensional image display data.

6. A three-dimensional image display device according to claim 4, further comprising:

a third display control unit that brings up the three-dimensional image and the two-dimensional image on display on a single screen by controlling the display unit.

7. A three-dimensional image display device according to claim 4, further comprising:

an extraction unit that extracts 2-D information included in the three-dimensional image data, wherein;

the two-dimensional image data output unit outputs the 2-D information extracted by the extraction unit, as the two-dimensional image data.

8. A three-dimensional image display device according to claim 4, wherein:

the conversion unit is configured with a 2-D member having the two-dimensional image display data segments reproduced thereat and is disposed between the optical members and the display pixels in relation to a direction along optical axis of the optical members extend.

9. A three-dimensional image display device according to claim 4, wherein:

the optical members project the two-dimensional image onto lens surfaces of the optical members or onto an image plane in space, the image plane in space being set apart by a distance equal to a focal length of the optical members or more.

10. A three-dimensional image display device according to claim 4, wherein:

the optical members are each constituted with a micro-lens or a cylindrical lens.

5. A three-dimensional image display device, comprising:

a display unit having a plurality of display pixel clusters disposed in a two-dimensional pattern, each of the plurality of display pixel clusters including a plurality of display pixels disposed in a two-dimensional pattern;

a plurality of optical members disposed, each in correspondence to one of the plurality of display pixel clusters, in a two-dimensional array, which project the corresponding display pixel clusters;

a three-dimensional image data output unit that outputs three-dimensional image data;

a first display control unit that displays the three-dimensional image data as a three-dimensional image via the optical members by controlling the display pixels based upon the three-dimensional image data;

a two-dimensional image data output unit that outputs two-dimensional image data;

a conversion unit that divides the two-dimensional image data into a plurality of two-dimensional image data segments and converts each of the two-dimensional image data segments into a plurality of two-dimensional image display data segments;

a second display control unit that controls the display pixel clusters each corresponding to the plurality of two-dimensional image display data segments based upon the two-dimensional image display data segments so as to display each set of the two-dimensional image data as a two-dimensional image by synthetically generating a projected image via the optical members related to the plurality of display pixel clusters corresponding to the plurality of sets of two-dimensional image display data; and

a third display control unit that brings up the three-dimensional image and the two-dimensional image on display on a single screen by controlling the display unit.