Projecting image display device
First Claim
1. An optical apparatus comprising:
- a light source which is capable of generating light of a plurality of colors;
a display for modulating light from said light source which is incident thereon, said display including a plurality of pixels, each pixel having a height and a width thereof being nonequivalent; and
a micro lens array for receiving light from said light source, either directly or via another optical element, said micro lens array including a plurality of micro lenses, said micro lenses being positioned to focus a portion of said received light onto said display and at least one of said micro lenses having a different optical power along substantially perpendicular height and width directions.
1 Assignment
0 Petitions
Accused Products
Abstract
A projecting image display device is disclosed which includes a display and a micro lens array, where the pixels of the display and the micro lens elements each have non symmetric properties in length and width directions. The micro lens concentrates color-separated light onto pixels of a display device so that light does not hit the black matrix. By providing a display having pixels which are not equal in length and width, pixels corresponding to red (R), green (G) and blue (B) can be arranged in a substantially square area, and by providing a micro lens array which has non symmetric properties in length and width, the color separated light can be concentrated onto the non square display pixels.
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Citations
45 Claims
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1. An optical apparatus comprising:
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a light source which is capable of generating light of a plurality of colors;
a display for modulating light from said light source which is incident thereon, said display including a plurality of pixels, each pixel having a height and a width thereof being nonequivalent; and
a micro lens array for receiving light from said light source, either directly or via another optical element, said micro lens array including a plurality of micro lenses, said micro lenses being positioned to focus a portion of said received light onto said display and at least one of said micro lenses having a different optical power along substantially perpendicular height and width directions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An optical apparatus comprising:
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a light source which is capable of generating light of a plurality of colors;
a display for modulating light from said light source which is incident thereon, said display including a plurality of pixels, for each pixel, a height and a width thereof being nonequivalent; and
a micro lens array, disposed between said light source and said display, for receiving light from said light source, either directly or via another optical element, and for focusing a portion of said received light onto said display, said micro lens array including a first plurality of substantially parallel cylindrical lens elements and a second plurality of substantially parallel cylindrical lens elements, said first plurality of lens elements being oriented substantially perpendicular to an orientation of said second plurality of lens elements, a spacing pitch of said first plurality of lens elements being different than a spacing pitch of said second plurality of lens elements of said micro lens array. - View Dependent Claims (23, 24, 25, 26)
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27. An optical apparatus comprising:
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a light source which is capable of generating light of a plurality of colors;
a light color separating system for receiving light from said light source, either directly or via another optical element, and for deflecting light of each of said plurality of colors along separate optical paths;
a plurality of displays, one display for each of said plurality of separated colors, for modulating light from said light color separating device which is incident thereon, said display including a plurality of pixels, for each pixel, a height and a width thereof being nonequivalent; and
a plurality of micro lens arrays, one micro lens array being disposed between said light color separating device and each of said displays, each micro lens array being for receiving light separated by said light color separating device and for focusing a portion of said received light onto a corresponding display, each micro lens array including a first plurality of substantially parallel cylindrical lens elements and a second plurality of substantially parallel cylindrical lens elements, said first plurality of lens elements being oriented substantially perpendicular to an orientation of said second plurality of lens elements, a spacing pitch of said first plurality of lens elements being different than a spacing pitch of said second plurality of lens elements of said micro lens array. - View Dependent Claims (28, 29, 30, 31, 32, 33)
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34. An optical apparatus comprising:
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a light source which is capable of generating light of a plurality of colors;
a display for modulating light from said light source which is incident thereon, said display including a plurality of pixels, said display including a plurality of pixels, for each pixel, a height and a width thereof being non equivalent; and
a micro lens array, disposed between said light source and said display, for receiving light from said light source, either directly or via another optical element, and for focusing a portion of said received light onto said display, said micro lens array including a first plurality of substantially parallel cylindrical lens elements and a second plurality of substantially parallel cylindrical lens elements, said first plurality of lens elements being oriented substantially perpendicular to an orientation of said second plurality of lens elements, a spacing pitch of said first plurality of lens elements being substantially the same as a spacing pitch of said second plurality of lens elements of said micro lens array, an optical power of each lens element of said first plurality of lens elements being different than an optical power of each lens element of said second plurality of lens elements. - View Dependent Claims (35, 36, 37)
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38. An optical apparatus comprising:
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a light source which is capable of generating light of a plurality of colors;
a reflective display for receiving light from said light source, for modulating said light to provided modulated light and for reflecting said modulated light, said display including a plurality of pixels, for each pixel, a height and a width thereof being nonequivalent; and
a micro lens array, disposed between said light source and said display, including a plurality of micro lens units, for receiving received light from said light source and for focusing a portion of said received light onto said display, an optical power of each micro lens unit being different along substantially perpendicular height and width directions. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45)
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Specification