Input device

1 . An input device comprising:

a panel having a front surface;

a manipulation area provided on the front surface so as to be continuous in hierarchical form;

a capacitance detection electrode provided in the manipulation area;

a plurality of icon display portions provided in the manipulation area, each icon display portion representing one of a plurality of functions; and

a tactile response generation portion provided in the manipulation area so as to be along the plurality of icon display portions,

wherein the tactile response generation portion is configured with an uneven structure.

2 . The input device according to claim 1 , wherein

the tactile response generation portion is:

a convex portion protruding from a portion other than the tactile response generation portion;

a concave portion recessed from the portion other than the tactile response generation portion; or

a concave and convex portion formed so as to protrude and to be recessed from the portion other than the tactile response generation portion.

3 . The input device according to claim 1 , wherein

the manipulation area has a high-end manipulation area and one or a plurality of low-end manipulation areas at lower hierarchical levels than a hierarchical level of the high-end manipulation area, and

the one or the plurality of low-end manipulation areas are placed so as to be contiguous to the high-end manipulation area.

4 . The input device according to claim 3 , wherein

the high-end manipulation area and the plurality of low-end manipulation areas are placed as a tree diagram in a plan view.

5 . The input device according to claim 3 , further comprising:

a first translucent portion provided on the tactile response generation portion, the first translucent portion transmitting light from the same side as a rear surface of the panel toward the same side as the front surface;

a plurality of first light sources provided on the same side as the rear surface of the panel, the plurality of first light sources emitting light to the first translucent portion; and

a lighting controller is configured to control lighting of the plurality of first light sources, wherein

the lighting controller is further configured to:

turn on, when a manipulation is performed in the high-end manipulation area, one or more of the plurality of first light sources in correspondence to the high-end manipulation area and the plurality of low-end manipulation areas and

turn on, when a manipulation is performed in any one or more of the plurality of low-end manipulation areas, one or more of the plurality of first light sources in correspondence to the any one or more of the plurality of low-end manipulation areas in which the manipulation is performed.

6 . The input device according to claim 5 , wherein,

when the manipulation is performed in the any one or more of the plurality of low-end manipulation areas, the lighting controller is configured to:

turn on the one or more of the plurality of first light sources in correspondence to the any one or more of the plurality of low-end manipulation areas in which the manipulation is performed and

also turn on one or more of the plurality of first light sources in correspondence to the high-end manipulation area.

7 . The input device according to claim 5 , wherein

at least one set of the first translucent portion and one of the plurality of first light sources is placed along each of the plurality of low-end manipulation areas,

when a manipulation is performed at a high end of any one or more of the plurality of low-end manipulation areas, the lighting controller is configured to turn on one or more of the plurality of first light sources in correspondence to all icon display portions disposed in the any one or more of the plurality of low-end manipulation areas, and

the all icon display portions are part of the plurality of icon display portions.

8 . The input device according to claim 5 , wherein

a plurality of first translucent portions and the plurality of first light sources are placed along the plurality of low-end manipulation areas;

when a manipulation is performed at a point toward a low end of one of the plurality of low-end manipulation areas, the lighting controller is configured to turn off all first light sources disposed on a high-end side with respect to the point, and

the all first light sources are part of the plurality of first light sources.

9 . The input device according to claim 3 , further comprising:

a plurality of second translucent portions, each of which is provided to one of the plurality of icon display portions to represent a function of one of a plurality of icons, each of the plurality of second translucent portions transmitting light from the same side as a rear surface of the panel toward the same side as the front surface;

a plurality of second light sources provided on the same side as the rear surface of the panel, each of the plurality of second light sources emitting the light to one of the plurality of second translucent portion; and

a lighting controller is configured to control lighting of the plurality of second light sources, wherein

the lighting controller is further configured to:

turn on, when a manipulation is performed in the high-end manipulation area, one or more of the plurality of second light sources in correspondence to the high-end manipulation area and the plurality of low-end manipulation areas; and

turn on, when a manipulation is performed in any one or more of the plurality of low-end manipulation areas, one or more of the plurality of second light sources in correspondence to the any one or more of the plurality of low-end manipulation areas in which the manipulation is performed.

10 . The input device according to claim 9 , wherein,

when the manipulation is performed in the any one or more of the plurality of low-end manipulation areas, the lighting controller is configured to:

turn on the one or more of the plurality of second light sources in correspondence to the any one or more of the plurality of low-end manipulation areas in which the manipulation is performed; and

also turn on one or more of the plurality of second light sources in correspondence to the high-end manipulation area.

11 . The input device according to claim 9 , wherein

at least one of the plurality of icon display portions is placed in each of the plurality of low-end manipulation areas,

when a manipulation is performed at a high end of any one or more of the plurality of low-end manipulation areas, the lighting controller is configured to turn on one or more of the plurality of second light sources in correspondence to all icon display portions disposed in the any one or more of the plurality of low-end manipulation areas, and

the all icon display portions are part of the plurality of icon display portions.

12 . The input device according to claim 9 , wherein

more than one of the plurality of icon display portions and more than one of the plurality of second light sources are placed for each of the plurality of low-end manipulation areas,

when a manipulation is performed at a point toward a low end of one of the plurality of low-end manipulation areas, the lighting controller is configured to turn off one or more of second light sources in correspondence to the icon display portions on a high-end side with respect to the point, and

the one or more of second light sources are part of the plurality of second light sources.

13 . The input device according to claim 3 , wherein the capacitance detection electrode is divided in correspondence with the high-end manipulation area and the plurality of low-end manipulation areas.

14 . The input device according to claim 3 , wherein

the high-end manipulation area and the plurality of low-end manipulation areas are placed in a front-back direction of a vehicle.

15 . The input device according to claim 3 , wherein

the high-end manipulation area and the plurality of low-end manipulation areas are placed in an up-down direction of a vehicle.

16 . The input device according to claim 3 , wherein

more than one icon display portions disposed in one of the plurality of low-end manipulation areas are involved in a common function, and

the more than one icon display portions are part of the plurality of icon display portions.

17 . The input device according to claim 3 , further comprising:

a manipulation detector configured to detect a manipulation performed in the manipulation area according to a result of detection by the capacitance detection electrode, wherein,

when manipulations are concurrently performed in two or more of the plurality of low-end manipulation areas, the manipulation detector ignores a detection result about the manipulations.

18 . The input device according to claim 1 , further comprising:

a manipulation detector configured to detect a manipulation performed in the manipulation area according to a result of detection by the capacitance detection electrode, wherein

the manipulation is configured to detect the manipulation performed in the manipulation area only during autonomous driving of a vehicle.

19 . The input device according to claim 1 , wherein

the panel is a door panel of a door of a vehicle, and

the door panel is on an interior side of the vehicle.

20 . An input device comprising:

a panel having a front surface;

a manipulation area provided on the front surface so as to be continuous in hierarchical form;

a capacitance detection electrode provided in the manipulation area;

a plurality of icon display portions provided in the manipulation area, each icon display portion representing one of a plurality of functions; and

a tactile response generation portion provided in the manipulation area so as to be along the plurality of icon display portions,

wherein the manipulation area has a high-end manipulation area and one or a plurality of low-end manipulation areas at lower hierarchical levels than a hierarchical level of the high-end manipulation area, and

the one or the plurality of low-end manipulation areas are placed so as to be contiguous to the high-end manipulation area.