Patent ID: 6853899
Filing Date: 2005-02-08
Classification: B60Q

Abstract:
1. A lighting device for a vehicle comprising: vehicle current-position detecting means for obtaining position information; road information acquiring means for obtaining road information; and irradiation control means for deciding a running area based on the position information obtained by vehicle current-position detecting means and the road information obtained by road information acquiring means and carrying out irradiation control of a lighting tool for a vehicle based on the decided running area; wherein the irradiation control means decide a type of a running area, in which a vehicle is running, from the position information and the road information based on road information in a current position of the vehicle and road information about a road over which the vehicle has already run, and wherein, in a case in which results of previous decisions related to a running area are stored and are compared with a result of a present decision to change the running area, the irradiation control means gradually vary an irradiation state from an irradiation state before the change to an irradiation state after the change.