Capacitance type touch panel and display device

1. A capacitance type touch panel, comprising:

a substrate;

a plurality of X electrodes, which extends on the substrate in a second direction and is arranged in parallel in a first direction crossing the second direction;

a plurality of Y electrodes, which extends on the substrate in the first direction so as to cross each of the X electrodes and is arranged in parallel in the second direction;

extraction wirings, which are connected to one end portions of the Y electrodes, respectively; and

a detection conductive layer only provided in a region of an end portion of at least one of the X electrodes and the Y electrodes and in a region extending outside an effective touch region of the touch panel;

wherein:

each of the extraction wirings is connected to a terminal corresponding to the each of the extraction wiring, the terminal being formed at one side of the substrate;

provided that adjacent two of the Y electrodes are a first Y electrode and a second Y electrode, another end portion of the first Y electrode and another end portion of the second Y electrode have a coupling capacitance for AC-coupling at least one of the another end portion of the first Y electrode and the another end portion of the second Y electrode with the detection conductive layer;

the detection conductive layer is formed, via an insulating film, in a layer different from the another end portion of the first Y electrode and the another end portion of the second Y electrode; and

the coupling capacitance comprises at least one of a capacitance formed between the another end portion of the first Y electrode and the detection conductive layer and a capacitance formed between the another end portion of the second Y electrode and the detection conductive layer.

2. The capacitance type touch panel according to claim 1 , wherein:

the detection conductive layer is connected to the another end portion of the first Y electrode; and

the coupling capacitance comprises the capacitance formed between the another end portion of the second Y electrode and the detection conductive layer.

3. The capacitance type touch panel according to claim 1 , wherein, in plan view, each of the another end portion of the first Y electrode and the another end portion of the second Y electrode overlaps the detection conductive layer and the detection conductive layer extends in a region excluding the effective touch region.

4. The capacitance type touch panel according to claim 2 , wherein, in plan view, each of the another end portion of the first Y electrode and the another end portion of the second Y electrode overlaps the detection conductive layer and the detection conductive layer extends in a region excluding the effective touch region.

5. A capacitance type touch panel, comprising:

a substrate;

a plurality of X electrodes, which extends on the substrate in a second direction and is arranged in parallel in a first direction crossing the second direction;

a plurality of Y electrodes, which extends on the substrate in the first direction so as to cross each of the X electrodes and is arranged in parallel in the second direction; and

extraction wirings, which are connected to one end portions of the Y electrodes, respectively; and

a detection conductive layer provided only in a region of an end portion of at least one of the X electrodes and the Y electrodes and in a region extending outside an effective touch region of the touch panel; wherein:

each of the extraction wirings is connected to a terminal corresponding to the each of the extraction wiring, the terminal being formed at one side of the substrate;

provided that adjacent two of the X electrodes are a first X electrode and a second X electrode, another end portion of the first X electrode and another end portion of the second X electrode have a coupling capacitance for AC-coupling at least one of the another end portion of the first X electrode and the another end portion of the second X electrode with the detection conductive layer;

the detection conductive layer is formed, via an insulating film, in a layer different from the another end portion of the first X electrode and the another end portion of the second X electrode; and

the coupling capacitance comprises at least one of a capacitance formed between the another end portion of the first X electrode and the detection conductive layer and a capacitance formed between the another end portion of the second X electrode and the detection conductive layer.

6. The capacitance type touch panel according to claim 5 , wherein:

the detection conductive layer is connected to the another end portion of the first X electrode; and

the coupling capacitance comprises a capacitance formed between the another end portion of the second X electrode and the detection conductive layer.

7. The capacitance type touch panel according to claim 5 , wherein, in plan view, each of the another end portion of the first X electrode and the another end portion of the second X electrode overlaps the detection conductive layer and the detection conductive layer extends in a region excluding the effective touch region.

8. The capacitance type touch panel according to claim 6 , wherein, in plan view, each of the another end portion of the first X electrode and the another end portion of the second X electrode overlaps the detection conductive layer and the detection conductive layer extends in a region excluding the effective touch region.

9. A display device, comprising:

a display panel; and

a touch panel, which is disposed on a viewer side of the display panel,

wherein the touch panel comprises the capacitance type touch panel according to claim 1 .

10. A display device, comprising:

a display panel; and

a touch panel, which is disposed on a viewer side of the display panel,

wherein the touch panel comprises the capacitance type touch panel according to claim 5 .