Display system, display control device, and display control program product

1. A display system applied to a vehicle, the display system comprising:

a navigation device guiding a route to a destination; and

a display control device displaying, based on route guidance information acquired from the navigation device, a plurality of route guidance contents by superimposing the plurality of route guidance contents on a road surface with a head-up display,

wherein,

the route guidance information acquired from the navigation device includes a first route guidance and a second route guidance,

the plurality of route guidance contents include a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn, the navigation device concurrently activates a display of a first guidance image corresponding to the first route guidance and a display of a second guidance image corresponding to the second route guidance, and

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, the display control device, using the head-up display:

(i) activates a display of the first guidance content that performs the first route guidance;

(ii) deactivates the display of the first guidance content; and then

(iii) activates a display of the second guidance content that performs the second route guidance.

2. The display system according to claim 1 , wherein

each of the first guidance content and the second guidance content includes information indicating the route.

3. The display system according to claim 1 , wherein

the display control device:

sets a display position of the second guidance content to include the successive second guidance point that is a guidance target of the second route guidance; and

after the vehicle enters an intersection where the first route guidance is executed, starts the display of the second guidance content under a condition that at least a part of a portion of the second guidance content displayed close to an own vehicle with respect to the successive second guidance point is determined to be within an angle of view of the head-up display in a state where the second guidance content is superimposed on the set display position.

4. The display system according to claim 1 , wherein

a guidance target of the second route guidance corresponds to the successive second guidance point, and

after the vehicle enters an intersection where the first route guidance is executed, the display control device starts the display of the second guidance content under a condition that the successive second guidance point is determined to be within an angle of view of the head-up display.

5. The display system according to claim 1 , wherein

a guidance target of the first route guidance corresponds to the first guidance point,

a guidance target of the second route guidance corresponds to the successive second guidance point, and

the display control device changes a display start time of the second guidance content according to a distance between the first guidance point and the successive second guidance point.

6. The display system according to claim 1 , wherein

the display control device displays the second guidance content in a different manner from the first guidance content.

7. The display system according to claim 1 , wherein

the display control device displays the second guidance content at a different position from a display position of the first guidance content.

8. A display system applied to a vehicle, the display system comprising:

a navigation device guiding a route to a destination; and

a display control device displaying, based on route guidance information acquired from the navigation device, a plurality of route guidance contents by superimposing the plurality of route guidance contents on a road surface with a head-up display,

wherein,

the route guidance information acquired from the navigation device includes a first route guidance and a second route guidance,

the plurality of route guidance contents include a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn, the navigation device concurrently starts the first route guidance and the second route guidance,

a guidance target of the second route guidance corresponds to the successive second guidance point, and

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, the display control device:

(i) activates a display of the first guidance content that performs the first route guidance;

(ii) deactivates the display of the first guidance content; and then

(iii) activates a display of the second guidance content that performs the second route guidance under a condition that a travelling direction of the vehicle is determined to face a direction along which a road extends toward the successive second guidance point.

9. A display system applied to a vehicle, the display system comprising:

a navigation device guiding a route to a destination; and

a display control device displaying, based on route guidance information acquired from the navigation device, a plurality of route guidance contents by superimposing the plurality of route guidance contents on a road surface with a head-up display,

wherein,

the route guidance information acquired from the navigation device includes a first route guidance and a second route guidance,

the plurality of route guidance contents include a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn, the navigation device concurrently starts the first route guidance and the second route guidance,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, the display control device:

(i) activates a display of the first guidance content that performs the first route guidance;

(ii) deactivates the display of the first guidance content; and then

(iii) activates a display of the second guidance content that performs the second route guidance, and

when a type of a road corresponding to the route guidance is a specific type road, the display control device activates the display of the second guidance content before deactivating the display of the first guidance content.

10. A display control device applied to a vehicle equipped with a navigation device, the display control device controlling a superimposed display of a content on a road surface using a head-up display, the display control device comprising:

a route information acquisition unit acquiring route guidance information from the navigation device of the vehicle, the navigation device providing a route guidance to a destination, the route guidance information acquired from the navigation device including a first route guidance and a second route guidance; and

a display control unit displaying a plurality of route guidance contents generated based on the route guidance information by superimposing the plurality of route guidance contents on the road surface using the head-up display, the plurality of route guidance contents including a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance,

wherein,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn,

(i) the navigation device concurrently activates a display of a first guidance image corresponding to the first route guidance and a display of a second guidance image corresponding to the second route guidance, and

(ii) the route information acquisition unit acquires the route guidance information that indicates an existence of the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, and

in response to the route information acquisition unit acquiring the route guidance information indicating the existence of the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, within a successive guidance area where the navigation device concurrently displays the first guidance image and the second guidance image, the display control unit:

(i) activates a display of the first guidance content that performs the first route guidance,

(ii) deactivates the display of the first guidance content; and then

(iii) activates a display of the second guidance content that performs the second route guidance.

11. A display control device applied to a vehicle equipped with a navigation device, the display control device controlling a superimposed display of a content on a road surface using a head-up display, the display control device comprising:

a route information acquisition unit acquiring route guidance information from the navigation device of the vehicle, the navigation device providing a route guidance to a destination, the route guidance information acquired from the navigation device including a first route guidance and a second route guidance; and

a display control unit displaying a plurality of route guidance contents generated based on the route guidance information by superimposing the plurality of route guidance contents on the road surface using the head-up display, the plurality of route guidance contents including a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance,

wherein,

a guidance target of the second route guidance corresponds to a successive second guidance point,

when the navigation device determines that the first route guidance and the second route guidance are successive guidance that indicates a first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn,

(i) the navigation device concurrently starts the first route guidance and the second route guidance, and

(ii) the route information acquisition unit acquires the route guidance information that indicates an existence of the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, and

in response to the route information acquisition unit acquiring the route guidance information indicating the existence of the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, within a successive guidance area where the navigation device concurrently starts the first route guidance and the second route guidance, the display control unit:

(i) activates a display of the first guidance content that performs the first route guidance,

(ii) deactivates the display of the first guidance content; and then

(iii) activates a display of the second guidance content that performs the second route guidance under a condition that a travelling direction of the vehicle is determined to face a direction along which a road extends toward the successive second guidance point.

12. A display control program product stored in a computer-readable non-transitory storage medium, the display control program product being applied to a vehicle which is equipped with a navigation display and controlling a superimposed display of a content on a road surface using a head-up display, the display control program product comprising instructions to be executed by a processor for:

acquiring route guidance information to provide a route guidance to a destination, the route guidance information including a first route guidance and a second route guidance;

determining whether the first route guidance and the second route guidance to be provided by the navigation display are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn, based on the route guidance information;

displaying a plurality of route guidance contents generated based on the route guidance information by superimposing the plurality of route guidance contents on a road surface using the head-up display, the plurality of route guidance contents including a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance; and

when determining that the first route guidance and the second route guidance are the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, within a successive guidance area where the navigation display concurrently activates a display of a first guidance image corresponding to the first route guidance and a display of a second guidance image corresponding to the second route guidance,

(i) activating a display of the first guidance content that performs the first route guidance,

(ii) deactivating the display of the first guidance content, and then

(iii) activating a display of the second guidance content that performs the second route guidance.

13. A display control program product stored in a computer-readable non-transitory storage medium, the display control program product being applied to a vehicle which is equipped with a navigation display and controlling a superimposed display of a content on a road surface using a head-up display, the display control program product comprising instructions to be executed by a processor for:

acquiring route guidance information to provide a route guidance to a destination, the route guidance information including a first route guidance and a second route guidance;

determining whether the first route guidance and the second route guidance to be provided by the navigation display are successive guidance that indicates a first guidance point to make a right or left turn and a successive second guidance point to make a right or left turn based on the route guidance information;

displaying a plurality of route guidance contents generated based on the route guidance information by superimposing the plurality of route guidance contents on a road surface using the head-up display, the plurality of route guidance contents including a first guidance content corresponding to the first route guidance and a second guidance content corresponding to the second route guidance, a guidance target of the second route guidance corresponding to the successive second guidance point; and

when determining that the first route guidance and the second route guidance are the successive guidance that indicates the first guidance point to make a right or left turn and the successive second guidance point to make a right or left turn, within a successive guidance area where the navigation display concurrently starts the first route guidance and the second route guidance,

(i) activating a display of the first guidance content that performs the first route guidance,

(ii) deactivating the display of the first guidance content, and then

(iii) activating a display of the second guidance content that performs the second route guidance under a condition that a travelling direction of the vehicle is determined to face a direction along which a road extends toward the successive second guidance point.