Image display apparatus and object apparatus
An image display apparatus ( 1000 ) mounted on an object or attached to a human body, includes: an image forming unit ( 200 ) to form an image with light; an optical system including a curved mirror ( 9 ) that reflects the light forming the image toward a bent transmission and reflection member; and a rotator ( 310 ) to rotate the curved mirror ( 9 ) about a prescribed axis. A first projection image, which is a projection image on an XY plane of the image, forms an angle θ1 with respect to an X direction. A second projection image, which is a projection image on an XY plane of the prescribed axis, forms an angle θ2 with respect to the X direction. The X denotes a lateral direction of the object or the human body and the Y direction denotes a vertical direction of the object or the human body.
1. An image display apparatus mounted on an object or attached to a human body, the image display apparatus comprising:
an image forming unit configured to form an image with light, the image forming unit including a to-be-scanned surface;
an optical system including a curved mirror that reflects the image from the image forming unit toward a bent transmission and reflection member; and
a rotator configured to rotate the curved mirror about a prescribed axis, wherein
a first projection image, which is a projection image on an XY plane of the to-be-scanned surface, has a longer side that forms an angle θ1 of tilt with respect to an X axis of the XY plane of the to-be-scanned surface, and
a second projection image, which is a projection image on an XY plane of the curved mirror, has a longer side that forms an angle θ2 of tilt with respect to the X axis of the XY plane of the curved mirror,
where the X denotes a lateral direction of the object or the human body and the Y direction denotes a vertical direction of the object or the human body, and the angle θ1 and the angle θ2 satisfy the condition |θ1|≠|θ2|.
2. The image display apparatus according to claim 1 , wherein the first projection image and the second projection image have the same oblique directions with respect to the X direction.
3. The image display apparatus according to claim 1 , wherein the angle θ1 and the angle θ2 satisfy the condition 0<|θ1|<|θ2|.
4. The image display apparatus according to claim 1 , wherein the angle θ1 satisfies the condition 5°<θ1<30°.
5. The image display apparatus according to claim 1 , wherein the angle θ2 satisfies the condition 10°<θ2<40°.
6. The image display apparatus according to claim 1 , further comprising a processing device configured to adjust a position of the image in the X direction in response to rotation of the curved mirror about the prescribed axis by the rotator.
7. The image display apparatus according to claim 1 , further comprising a controller configured to adjust the angle θ2 in response to the rotation of the curved mirror about the prescribed axis by the rotator.
8. The image display apparatus according to claim 1 , wherein X1/X2>Y1/Y2>10 is established, where X1 denotes a length of the X direction of a virtual image of the image visually recognized through the transmission and reflection member, Y1 denotes a length of the Y direction, X2 denotes a length of the X direction of the image, and Y2 denotes a length of the Y direction.
9. The image display apparatus according to claim 1 , wherein the optical system is arranged on an optical path between the image forming unit and the curved mirror, and further includes a mirror that folds back the optical path.
10. The image display apparatus according to claim 1 , wherein the curved mirror is a concave mirror.
11. The image display apparatus according to claim 1 , wherein the object is a mobile object, and the transmission and reflection member is a windshield of the mobile object.
12. An object apparatus comprising:
the image display apparatus according to claim 1 ; wherein
the object is equipped with the image display apparatus.
13. The image display apparatus according to claim 1 , wherein
the image forming unit includes a two-dimensional deflector, or a spatial light modulator.
14. An image display apparatus mounted on an object or attached to a human body, the image display apparatus comprising:
an image forming unit configured to form an image with light, the image forming unit including a to-be-scanned surface;
an optical system including a curved mirror that reflects the image from the image forming unit toward a bent transmission and reflection member;
a rotator configured to rotate the curved mirror about a prescribed axis; and
a processing device configured to adjust a position of the image in an X direction in response to rotation of the curved mirror about the prescribed axis by the rotator, wherein
a projection image on an XY plane of the to-be scanned surface has a longer side that forms an angle θ1 of tilt of the first projection image with respect to an X axis of the XY plane of the to-be-scanned surface, where the X denotes a lateral direction of the object or the human body and the Y direction denotes a vertical direction of the object or the human body, and
the prescribed axis forms an angle θ2 of tilt of the second projection image with respect to the X axis of the XY plane of the curved mirror, and the angle θ1 and the angle θ2 satisfy the condition |θ1|≠|θ2|.
15. The image display apparatus according to claim 14 , wherein the angle θ1 and the angle θ2 satisfy the condition 0<|θ2|<|θ1|.
16. The image display apparatus according to claim 14 , wherein the angle θ1 satisfies the condition 5°<θ1<30°.
17. An object apparatus comprising:
the image display apparatus according to claim 14 ; wherein
the object is equipped with the image display apparatus.
18. The image display apparatus according to claim 14 , wherein
the image forming unit includes a two-dimensional deflector, or a spatial light modulator.
19. An image display apparatus mounted on an object or attached to a human body, the image display apparatus comprising:
an optical system including a to-be-scanned surface and a curved mirror that reflects light forming an image received from the to-be-scanned surface toward a bent transmission and reflection member; and
a rotator configured to rotate the curved mirror about a prescribed axis, wherein
a first projection image, which is a projection image on an XY plane of the to-be-scanned surface, has a longer side that forms an angle θ1 of tilt with respect to an X axis of the XY plane of the to-be-scanned surface, and
a second projection image, which is a projection image on an XY plane of the curved mirror, has a longer side that forms an angle θ2 of tilt with respect to the X axis of the XY plane of the curved mirror,
where the X denotes a lateral direction of the object or the human body and the Y direction denotes a vertical direction of the object or the human body, and the angle θ1 and the angle θ2 satisfy the condition |θ1|≠|θ2|.