Head-up display and moving body equipped with head-up display
First Claim
Patent Images
1. A head-up display configured to project an image on a transmissive reflection member to allow an observer to visually observe the image as a virtual image, the head-up display comprising:
- a display configured to display an image;
a relay optical system including a first relay mirror having a concave reflection surface and a second relay mirror having a convex reflection surface, and configured to provide the image displayed by the display as an intermediate image; and
a projection optical system including a first projection mirror having a concave reflection surface, and configured to reflect the intermediate image provided by the relay optical system to project the intermediate image on the reflection member, whereinthe second relay mirror is positioned between the first relay mirror and the projection optical system along an optical path from the display to the reflection member.
2 Assignments
0 Petitions
Accused Products
Abstract
A head-up display projects an image on a windshield to allow a viewer to visually observe a virtual image. The head-up display includes a display device, a relay optical system, and a projection optical system. The display device displays an image. The relay optical system provides the image displayed by the display device as an intermediate image. The projection optical system reflects the intermediate image provided by the relay optical system to project the intermediate image on the windshield.
6 Citations
12 Claims
-
1. A head-up display configured to project an image on a transmissive reflection member to allow an observer to visually observe the image as a virtual image, the head-up display comprising:
-
a display configured to display an image; a relay optical system including a first relay mirror having a concave reflection surface and a second relay mirror having a convex reflection surface, and configured to provide the image displayed by the display as an intermediate image; and a projection optical system including a first projection mirror having a concave reflection surface, and configured to reflect the intermediate image provided by the relay optical system to project the intermediate image on the reflection member, wherein the second relay mirror is positioned between the first relay mirror and the projection optical system along an optical path from the display to the reflection member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
Specification