Patent ID: 11906735
Assignee: KOITO MANUFACTURING CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  B | IPC G

Claim 0:
1. A head-up display device configured to display a first virtual image in front of an operator's point of view and a second virtual image in a position farther than the first virtual image,
the head-up display device comprising:
one picture generation unit configured to emit first light which creates the first virtual image and second light which creates the second virtual image;
a prism disposed on an optical path of the second light;
a first convex mirror configured to reflect the first light;
a second convex mirror configured to reflect the second light; and
one concave mirror configured to reflect the first light reflected from the first convex mirror and the second light reflected from the second convex mirror toward a windshield.