HEAD UP DISPLAY UTILIZING AN LCD AND A DIFFUSER
First Claim
1. Head up display (HUD) for displaying a combined image of, a scene image of a scene and an informative image, for an observer, the HUD comprising:
- an image source for producing a substantially small narrow angle informative image;
an optical relay for producing a substantially large narrow angle informative image, by enlarging said substantially small narrow angle informative image, received from said image source;
a low physical height horizontally expanding optical assembly for producing a horizontally expanded image, by horizontally expanding said substantially large narrow angle informative image, received from said optical relay; and
a planar optical module for producing a substantially large informative image, by vertically expanding said horizontally expanded image, and further producing said combined image, by combining said substantially large informative image with said scene image.
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Accused Products
Abstract
Head up display (HUD) for displaying a combined image of a scene image of a scene and an informative image, for an observer, the HUD including an image source, an optical relay, a low physical height horizontally expanding optical assembly and a planar optical module, the image source for producing a substantially small narrow angle informative image, the optical relay for producing a substantially large narrow angle informative image, by enlarging the substantially small narrow angle informative image, received from the image source, the low physical height horizontally expanding optical assembly for producing a horizontally expanded image, by horizontally expanding the substantially large narrow angle informative image, received from the optical relay, and the planar optical module for producing a substantially large informative image, by vertically expanding the horizontally expanded image, and further producing the combined image, by combining the substantially large informative image with the scene image.
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Citations
18 Claims
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1. Head up display (HUD) for displaying a combined image of, a scene image of a scene and an informative image, for an observer, the HUD comprising:
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an image source for producing a substantially small narrow angle informative image; an optical relay for producing a substantially large narrow angle informative image, by enlarging said substantially small narrow angle informative image, received from said image source; a low physical height horizontally expanding optical assembly for producing a horizontally expanded image, by horizontally expanding said substantially large narrow angle informative image, received from said optical relay; and a planar optical module for producing a substantially large informative image, by vertically expanding said horizontally expanded image, and further producing said combined image, by combining said substantially large informative image with said scene image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification