Sensor, display including a sensor, and method for using a sensor

1. Sensor including

an insulating support defining a front side;

a membrane arranged on the front side of the support, the membrane including at least one layer including a pattern of electrically conductive material representing an electrode;

at least one capacitance measuring unit configured for measuring a capacitance between at least a portion of the electrode of one of the at least one layer and its surrounding environment; and

at least one resistance measuring unit configured for measuring a resistance between a pair of points of a continuous portion of the electrode of one of the at least one layer.

2. Sensor of claim 1 , wherein the electrically conductive material is indium tin oxide.

3. Sensor of claim 1 , wherein

the at least one capacitance measuring unit is configured to detect the presence of a finger, hand or other object on the sensor or in the vicinity thereof; and

the at least one resistance measuring unit is configured to detect whether a force is exerted by the finger, hand or other object on the sensor.

4. Sensor of claim 1 , wherein

the at least one capacitance measuring unit is configured to detect the presence of a finger, hand or other object on the sensor or in the vicinity thereof; and

the at least one resistance measuring unit is configured to estimate the force exerted by the finger, hand or other object on the sensor.

5. Sensor of claim 1 , wherein the at least one capacitance measuring unit includes

a first capacitance measuring unit configured for measuring a capacitance between a first continuous portion of the electrode of one of the at least one layer and its surrounding environment, and

a second capacitance measuring unit configured for measuring a capacitance between a second continuous portion of the electrode of one of the at least one layer and its surrounding environment; and

the at least one resistance measuring unit includes

a first resistance measuring unit configured for measuring a resistance between a pair of points of the first continuous portion of the electrode of one of the at least one layer, and

a second resistance measuring unit configured for measuring a resistance between a pair of points of the second continuous portion of the electrode of one of the at least one layer.

6. Sensor according to claim 5 , wherein

the at least one capacitance measuring unit is configured to detect the presence of a finger, hand or other object on the sensor or in the vicinity thereof and to estimate the position of the finger, hand or other object on the sensor; and

the at least one resistance measuring unit is configured to detect whether a force is exerted by the finger, hand or other object on the sensor.

7. Sensor according to claim 5 , wherein

the at least one capacitance measuring unit is configured to detect the presence of a finger, hand or other object on the sensor or in the vicinity thereof and to estimate the position of the finger, hand or other object on the sensor; and

the at least one resistance measuring unit is configured to estimate the force exerted by the finger, hand or other object on the sensor.

8. Sensor according to claim 1 , configured so that one resistance measuring unit is activated when one capacitance measuring unit indicates a change of capacitance exceeding a threshold value.

9. Sensor according to claim 1 , configured so that the capacitance measurements and the resistance measurements are performed one after the other in sequence.

10. A display including a sensor according to claim 1 .

11. The sensor according to claim 1 , wherein the sensor

outputs a signal indicating the presence of a finger, hand or other object on the sensor or in the vicinity thereof; and

outputs a signal indicating whether a force is exerted by the finger, hand or other object on the sensor.

12. The sensor according to claim 1 , wherein the sensor

outputs a signal indicating the presence of a finger, hand or other object on the sensor or in the vicinity thereof; and

outputs a signal indicating the force exerted by the finger, hand or other object on the sensor.

13. The sensor according to claim 5 , wherein the sensor

outputs a signal indicating the presence of a finger, hand or other object on the sensor or in the vicinity thereof;

outputs a signal indicating whether a force is exerted by the finger, hand or other object on the sensor; and

outputs a signal indicating an estimation of the two-dimensional position of the finger, hand or other object on the sensor.

14. The sensor according to claim 5 , wherein the sensor

outputs a signal indicating the presence of a finger, hand or other object on the sensor or in the vicinity thereof;

outputs a signal indicating the force exerted by the finger, hand or other object on the sensor; and

outputs a signal indicating an estimation of the two-dimensional position of the finger, hand or other object on the sensor.

15. The sensor of claim 14 , wherein the sensor outputs a signal indicating an estimation of the three-dimensional position of the finger, hand or other object on the sensor, based on

the signal indicating an estimation of the two-dimensional position of the finger, hand or other object on the sensor, which provides coordinates x and y; and

the signal indicating an estimation of the force exerted by the finger, hand or other object on the sensor, which provides coordinate z;

wherein coordinates x and y correspond to two distinct directions along the surface of the sensor and coordinate z corresponds a direction perpendicular to the surface of the sensor.