Patent ID: 9327646
Filing Date: 2016-05-03
CPC Classification: B60K,B60Q,G02B

Claim Text:
1. A method of illumination expression of a head up display for a vehicle, the method comprising: turning on, by a controller, the vehicle and the head up display which is mounted within the vehicle; determining, by the controller, whether an auto light is operated by confirming an output value of the auto light which is mounted within the vehicle and interlocks with the head up display; illuminating, by the controller, the head up display in response to determining that the auto light is normally operated; determining, by the controller, whether a tail lamp mounted within the vehicle is operated in response to determining that the auto light is abnormally operated; illuminating, by the controller, the head up display as a night condition in response to detecting an exterior night condition and that the tail lamp is normally operated; determining, by the controller, whether a tail switch is operated in response to determining that the tail lamp is abnormally operated; and illuminating, by the controller, the head up display as a daytime condition in response to detecting an exterior daytime condition and that the tail switch is abnormally operated.