IMAGE DISPLAY MIRROR FOR A VEHICLE

Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes a first polarizing plate arranged so as to be rotatable in a plane, a half mirror having a reflection axis and being configured to reflect polarized light, and an image display apparatus in the stated order from a viewer side, in which: the first polarizing plate has a polarizer; a rotation of the first polarizing plate changes an angle of an absorption axis of the polarizer relative to a reflection axis of the half mirror when an image is not displayed on the image display apparatus and when the image is displayed thereon; when the image is not displayed, the absorption axis of the polarizer and the reflection axis of the half mirror are perpendicular to each other; and when the image is displayed, the absorption axis of the polarizer and the reflection axis of the half mirror are parallel to each other.