| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical system that enables a viewer to more clearly recognize information with a simple configuration.SOLUTION: An optical system comprises: a projector S that emits emission light L1 and emission light L2 including images to be recognized by a driver D to a windshield glass 10 reflecting the emission light L1 and emission light L2; and a retroreflection part 1 that receives the emission light L1 and emission light L2 reflected on the windshield glass 10 and reflects the emission light L1 and emission light L2 toward the windshield glass 10 so that the emission light L1 and emission light L2 travel on a light path of a line of sight LE from the windshield glass 10 to the position of the eyes EY of the driver D.SELECTED DRAWING: Figure 2 |
