| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique facilitating replacement of a screen in a head-up display.SOLUTION: A board storage part stores a circuit board which outputs an image signal of an image to be displayed. An optical unit is provided on one end of the board storage part, and generates an image based on an image signal output from the circuit board and projects it. A combiner is provided on an end of the optical unit, and the image is projected. The optical unit comprises: an optical unit body including a light source and an image display element; and a projection part 300 which is installed in the optical unit body and determines a projection direction. The projection part 300 includes: a projection mirror; an intermediate image screen on which a real image is formed; and a screen holding part 390 which is detachable from the projection part 300 and holds the intermediate image screen. The screen holding part 390 detachably holds the intermediate image screen. |
