Sensor and sensor-equipped display device
First Claim
Patent Images
1. A sensor comprising:
- a first control line;
a first signal line;
a first auxiliary line;
a first detection electrode;
a first detection switch connected to the first detection electrode, the first control line and the first signal line;
a second detection switch connected to the first detection electrode, the first control line and the first auxiliary line;
a common electrode located under the first detection electrode, and located above the first control line, the first signal line, the first auxiliary line, the first detection switch and the second detection switch;
a first circuit connected to the first control line, and supplying a drive signal to the first control line to change a state of the first detection switch and the second detection switch to either of a first connection state and a second connection state; and
a second circuit connected to the first signal line and the first auxiliary line,whereinthe first detection electrode is electrically connected to the first signal line and electrically disconnected from the first auxiliary line in the first connection state, andthe first detection electrode is electrically connected to the first auxiliary line and electrically disconnected from the first signal line in the second connection state.
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Abstract
According to one embodiment, a sensor includes a first control line, a first signal line, a first detection switch, a common electrode, a first detection electrode, a first circuit and a second circuit. The common electrode is located above the first control line, the first signal line and the first detection switch, opposed to the first control line, the first signal line and the first detection switch. The first detection electrode is located above the common electrode. The first circuit and the second circuit are located under the common electrode, and are opposed to the common electrode.
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Citations
13 Claims
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1. A sensor comprising:
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a first control line; a first signal line; a first auxiliary line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; a second detection switch connected to the first detection electrode, the first control line and the first auxiliary line; a common electrode located under the first detection electrode, and located above the first control line, the first signal line, the first auxiliary line, the first detection switch and the second detection switch; a first circuit connected to the first control line, and supplying a drive signal to the first control line to change a state of the first detection switch and the second detection switch to either of a first connection state and a second connection state; and a second circuit connected to the first signal line and the first auxiliary line, wherein the first detection electrode is electrically connected to the first signal line and electrically disconnected from the first auxiliary line in the first connection state, and the first detection electrode is electrically connected to the first auxiliary line and electrically disconnected from the first signal line in the second connection state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A sensor-equipped display device comprising a display panel,
the display panel comprising: -
control lines; signal lines; auxiliary lines; pixel electrodes; pixel switches each including a first switching element connected to one of the pixel electrodes, one of the control lines and one of the signal lines, and a second switching element connected to the one of the pixel electrodes, the one of the control lines and one of the auxiliary lines; a common electrode disposed in a display area and an outside of the display area, located under the pixel electrodes, and located above the control lines, the signal lines, the auxiliary lines and the pixel switches; a first circuit disposed outside the display area, connected to the control lines, supplying a drive signal to each of the control lines, and changing a state of the first switching element and the second switching element of each of the pixel switches to either of a first connection state and a second connection state; and a second circuit disposed outside the display area, and connected to the signal lines and the auxiliary lines, wherein each of the pixel electrodes is electrically connected to the corresponding signal line and electrically disconnected from the corresponding auxiliary line in the first connection state, and each of the pixel electrodes is electrically connected to the corresponding auxiliary line and electrically disconnected from the corresponding signal line in the second connection state. - View Dependent Claims (10, 11, 12)
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13. A sensor comprising:
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a first control line; a first signal line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; a common electrode located under the first detection electrode, and located above the first control line, the first signal line, the first detection switch; a first circuit connected to the first control line, and supplying a drive signal to the first control line to change a state of the first detection switch to either of a first connection state and a second connection state; and a second circuit connected to the first signal line, wherein the first detection electrode is electrically connected to the first signal line in the first connection state, and the first detection electrode is electrically disconnected from the first signal line in the second connection state.
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Specification