Display device and electronic apparatus

1. A liquid crystal display device comprising:

a pixel substrate that includes a pixel electrode and a common electrode;

a counter substrate that includes a conductive light shielding layer and faces the pixel substrate; and

a liquid crystal layer sealed in between the pixel substrate and the counter substrate, wherein

the common electrode and the light shielding layer are electrically coupled to each other via a protection circuit,

the counter substrate further includes a conductive electrostatic shielding layer that is insulated from the light shielding layer and that is provided in a different layer from the light shielding layer, and

a potential of the light shielding layer is independent of a potential of the electrostatic shielding layer.

2. The liquid crystal display device according to claim 1 , wherein the protection circuit is a nonlinear element through which a current flows at a voltage of a predetermined threshold or higher.

3. The liquid crystal display device according to claim 1 , wherein the protection circuit is a resistive element having resistance higher than resistance of a material of the light shielding layer.

4. The liquid crystal display device according to claim 1 , further comprising:

a wiring that is provided between the pixel substrate and the counter substrate, and electrically couples the light shielding layer and the protection circuit.

5. A liquid crystal display device comprising:

a pixel substrate that includes a pixel electrode and a common electrode;

a counter substrate that includes a conductive light shielding layer and faces the pixel substrate; and

a liquid crystal layer sealed in between the pixel substrate and the counter substrate, wherein

the common electrode and the light shielding layer are electrically coupled to each other via a protection circuit,

the counter substrate includes a sensor pattern being a part of a touch panel that detects an external proximity object based on a change in capacitance,

the sensor pattern is insulated from the light shielding layer and is provided in a different layer from the light shielding layer, and

a potential of the light shielding layer is independent of a potential of the sensor pattern.

6. The liquid crystal display device according to claim 5 , wherein the protection circuit is a nonlinear element through which a current flows at a voltage of a predetermined threshold or higher.

7. The liquid crystal display device according to claim 5 , wherein the protection circuit is a resistive element having resistance higher than resistance of a material of the light shielding layer.

8. The liquid crystal display device according to claim 5 , further comprising:

a wiring that is provided between the pixel substrate and the counter substrate, and electrically couples the light shielding layer and the protection circuit.

9. An electronic apparatus comprising:

a liquid crystal display device that includes:

a pixel substrate that includes a pixel electrode and a common electrode;

a counter substrate that includes a conductive light shielding layer and faces the pixel substrate; and

a liquid crystal layer sealed in between the pixel substrate and the counter substrate, wherein

the common electrode and the light shielding layer are electrically coupled to each other via a protection circuit,

the counter substrate further includes a conductive electrostatic shielding layer that is insulated from the light shielding layer and that is provided in a different layer from the light shielding layer, and

a potential of the light shielding layer is independent of a potential of the electrostatic shielding layer.