Patent ID: 8600625

Claim:
A display control device mounted on a vehicle comprising: a vehicle speed sensor configured to obtain vehicle speed information relating to a driver's vehicle; a light system configured to irradiate an image displaying the vehicle speed information on a road on which the driver's vehicle drives; an electric control unit (ECU) configured to control the light system to display the vehicle speed information obtained by the vehicle speed sensor, wherein the ECU is comprised of a central processing unit (CPU), a read only memory (ROM), and a random access memory (RAM); and the ECU is configured to monitor the vehicle speed information obtained by the vehicle speed sensor with respect to a predetermined reference speed, wherein the predetermined reference speed is not a vehicle speed limit of the road on which the driver's vehicle drives, and the ECU is configured to instruct the light system to initiate displaying the vehicle speed information based on ECU judging that the vehicle speed information is greater than or equal to the predetermined reference speed, and to instruct the light system to halt displaying the vehicle speed information based on the ECU judging that the vehicle speed information becomes less than the predetermined reference speed.