Head-up display device
First Claim
Patent Images
1. A head-up display device comprising:
- a screen;
a projector that projects a visual image to the screen using a projection lens;
an image generator that generates a virtual image of the visual image to be visually recognized by a user from the visual image projected to the screen; and
a processor that is programmed to;
decide a position at which the virtual image is generated;
move the projection lens together with the screen in a front-rear direction along an optical path, the projection lens and the screen being moved along the optical path based on the decided position; and
adjust a focal point of the visual image projected from the projection lens on the screen by moving the projection lens and the screen in different directions from each other along the optical path.
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Abstract
A head-up display device including a screen; a projector that projects a visual image to the screen using a projection lens; an image generator that generates a virtual image of the visual image to be visually recognized by a user from the visual image projected to the screen; and a processor that is programmed to: decide a position at which the virtual image is generated; and move the projection lens and the screen in a front-rear direction along an optical path, wherein the processor moves the projection lens and the screen along the optical path based on the position decided.
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Citations
6 Claims
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1. A head-up display device comprising:
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a screen; a projector that projects a visual image to the screen using a projection lens; an image generator that generates a virtual image of the visual image to be visually recognized by a user from the visual image projected to the screen; and a processor that is programmed to; decide a position at which the virtual image is generated; move the projection lens together with the screen in a front-rear direction along an optical path, the projection lens and the screen being moved along the optical path based on the decided position; and adjust a focal point of the visual image projected from the projection lens on the screen by moving the projection lens and the screen in different directions from each other along the optical path. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification