Lens array and image display device incorporating the same
First Claim
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1. An image display device comprising:
- a light source which projects a light beam;
an imaging element to form an image with the light beam from the light source; and
a lens array illuminated with the light beam forming the image for image display, in which lenses are arranged closely to each other, whereinin the lens array a curvature radius of a surface of a border of neighboring lenses is set to be smaller than a wavelength of the light beam,the light source includes two or more light sources to project light beams with different wavelengths from each other, andthe curvature radius of the surface of the border of neighboring lenses is set to be smaller than a longest wavelength among wavelengths of the light beams.
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Abstract
An image display device includes a light source, an imaging element to form an image with a light beam from the light source, and a lens array illuminated with the light beam forming the image for image display, in which lenses are arranged closely to each other. In which in the lens array a curvature radius of a surface of a border of neighboring lenses is set to be smaller than a wavelength of the light beam.
22 Citations
16 Claims
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1. An image display device comprising:
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a light source which projects a light beam; an imaging element to form an image with the light beam from the light source; and a lens array illuminated with the light beam forming the image for image display, in which lenses are arranged closely to each other, wherein in the lens array a curvature radius of a surface of a border of neighboring lenses is set to be smaller than a wavelength of the light beam, the light source includes two or more light sources to project light beams with different wavelengths from each other, and the curvature radius of the surface of the border of neighboring lenses is set to be smaller than a longest wavelength among wavelengths of the light beams. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification