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US 6,504,518 B1Granted
Head-up display
AssigneeShimadzu Corporation
InventorsYukiko Kuwayama, Ryutaro Nasu, Toshihiko Sugibuchi
Life of this patent
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Abstract
An optical path of image displaying light projected from an image displaying face of a display element is changed by a combiner, which is to be arranged in front of an observer. A virtual image, that is a subject of observation, is formed in front of the combiner. An optical component facing the image displaying face is provided so that the image displaying light is introduced to the combiner. The optical component is capable of diverging incident light.
Claims13
A head-up display, comprising:
- a combiner to be arranged in front of an observer, external light passing through the combiner;
- and
- a display element which projects image displaying light from its image displaying face;
- wherein a virtual image, that is a subject of observation, is formed in front of the combiner by changing the optical path of the image displaying light by the combiner;
- wherein an optical component facing the image displaying face is provided so that the image displaying light is introduced to the combiner by changing the optical path of the image displaying light;
- and
- wherein the optical component diverges incident light which includes the external light.
4 more elements
Dependencies are inferred from the claim text.