Patent ID: 9598016
Date: 2017-03-21
CPC Classifications: B60R,G02B

Claim:
1. An interior rearview mirror assembly for a vehicle, said interior rearview mirror assembly comprising: a mirror reflective element; a video display device disposed behind said mirror reflective element and operable to display video information that is viewable by a driver of the vehicle through said mirror reflective element and at a display region of said mirror reflective element; wherein said video display device is operable to display a directional heading at a compass display portion of said display region; wherein means are provided to adjust the displayed directional heading to limit image sticking of the displayed directional heading; wherein adjustment of the displayed directional heading to limit image sticking comprises at least one of (i) adjustment of a location of the displayed directional heading and (ii) adjustment of an intensity of the displayed directional heading; wherein adjustment of at least one of (i) a location of the displayed directional heading and (ii) an intensity of the displayed directional heading to limit image sticking is made at least in part responsive to a detected change in the vehicle heading that results in a change from an initial displayed directional heading character or icon to a different displayed directional heading character or icon; and wherein, responsive to the detected change in the vehicle heading, (a) the initial displayed directional heading character or icon changes to the different displayed directional heading character or icon and (b) the different displayed directional heading character or icon at least one of (i) is displayed at a location that is different and shifted from the location of the initial displayed directional heading character or icon and (ii) is displayed at an intensity that is different from the intensity of the initial displayed directional heading character or icon.