# US 11,079,607 B2 · Image display device

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- Number: US 11,079,607 B2
- Document ID: US11079607B2
- Status: Granted
- Kind: B2
- Application number: 16/390,878
- Filed: 2019-04-22
- Published: 2019-08-15
- Granted: 2021-08-03
- Earliest claimed: 2010-06-16
- Assignees: Nikon Corporation
- Applicants: Nikon Corporation
- Inventors: Toru Iwane
- Web page: https://patentgrep.com/patent/US11079607B2

## CPC

- G02B 30/27: involving lenticular arrays
- G03B 35/24: using apertured or refractive resolving means on screens or between screen and eye
- H04N 13/232: using fly-eye lenses, e.g. arrangements of circular lenses
- H04N 13/307: using fly-eye lenses, e.g. arrangements of circular lenses
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

An image display device includes: an input unit that inputs image data constituted with pixel data, each set of the pixel data being generated based upon a plurality of image signals output from a plurality of image-capturing pixels arrayed in correspondence to a plurality of photographic micro-lenses distinct from one another; a generation unit that generates display image data containing three-dimensional information based upon the image data; a display unit constituted with 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 display image data; and a micro-lens array that includes a plurality of micro-lenses, via which a three-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels, disposed in a two-dimensional array pattern.

## Claims

### Claim 1

An image display device, comprising:
an input unit into which a plurality of image signals are inputted, the image signals being outputted from a plurality of image capturing pixels that are disposed in correspondence to a plurality of image capturing micro-lenses, each of the image capturing pixels receiving light passed through a corresponding one of the image capturing micro-lenses;
a plurality of display micro-lenses;
a plurality of display pixels that emit light for forming a three-dimensional image to the display micro-lenses, the plurality of display pixels being disposed in correspondence to the plurality of display micro-lenses;
a generator that generates display image data that includes three-dimensional information, based upon the plurality of image signals inputted into the input unit; and
a controller that causes the display pixels to emit light based upon the display image data to form the three-dimensional image, wherein
in a case that a number of the image capturing pixels disposed in correspondence to the image capturing micro-lenses is different from a number of the display pixels disposed in correspondence to the display micro-lenses, the generator generates the display image data so that a number of the image signals matches the number of the display pixels,
the three-dimensional image includes a first position at which light from a first display pixel disposed corresponding to a first display micro-lens among the plurality of display micro-lenses and light from a second display pixel disposed corresponding to a second display micro-lens among the plurality of display micro-lenses intersect and a second position at which light from a third display pixel disposed corresponding to the first micro-lens and light from a fourth display pixel disposed corresponding to the second display micro-lens intersect, and
a first distance between the first position and the display micro-lenses is different from a second distance between the second position and the display micro-lenses.

### Claim 2 (depends on 1)

The image display device according to claim 1, wherein
the generator generates the display image data by adding the plurality of image signals, in a case that the number of the image signals inputted into the input unit is larger than the number of the display pixels.

### Claim 3 (depends on 1)

The image display device according to claim 1, wherein
in a case that an allocation of the image capturing pixels corresponding to the image capturing micro-lenses is different from an allocation of the display pixels corresponding to the display micro-lenses, the generator generates the image data so that a predetermined display pixel, of the plurality of display pixels, emits light based upon a first image signal, the predetermined display pixel being disposed at a same position relative to a central position of the display micro-lenses as a position of a predetermined image capturing pixel, of the plurality of image capturing pixels, relative to a central position of the image capturing micro-lenses, the predetermined image capturing pixel outputting the first image signal.