Patent ID: 7667579

Claim:
An interior mirror system suitable for use in a vehicle, said interior mirror system comprising: an interior rearview mirror assembly, said interior rearview mirror assembly comprising a mirror support for attachment to an interior portion of a vehicle to be equipped with said interior rearview mirror assembly; wherein said interior rearview mirror assembly comprises a reflective element disposed in a housing, said reflective element comprising a glass substrate having at least a metallic reflector coating established at a surface thereof; an information display disposed within said housing and behind said reflective element, wherein said information display comprises a liquid crystal display that is backlit by a plurality of white light emitting diodes; wherein information displayed by said information display is viewable through said reflective element by a driver of the equipped vehicle viewing said reflective element of said interior rearview mirror assembly when said interior rearview mirror assembly is normally mounted to an interior portion of the equipped vehicle; a photo sensor; a control responsive to said photo sensor and operable to distinguish between daytime and nighttime lighting conditions; wherein said control is operable to vary the intensity of the information displayed by said information display as viewed through said reflective element by the driver of the equipped vehicle; and wherein, when said information display is operating during daytime lighting conditions, said control is operable to adjust the intensity of the displayed information to at least about 1000 cd/m 2 as viewed through said reflective element by the driver of the equipped vehicle.