Electrostatic capacitive type touch screen panel
A touch-sensitive display includes a plurality of electrodes configured to detect a touch input received at the touch-sensitive display device. A plurality of touch wires formed on a substrate are electrically connected to the electrodes and configured to detect a touch input received at the touch-sensitive display device. A plurality of first conductive patterns on the substrate are each connected to a touch wire and extend in a first direction from the corresponding touch wire. An insulation layer is disposed on the plurality of touch wires and first conductive patterns, and a plurality of second conductive patterns are disposed on the insulation layer. Each second conductive pattern contacts one of the touch wires via a contact hole in the insulation layer and at least partially overlaps a corresponding one of the first conductive patterns, while being separated from the corresponding one of the first conductive patterns by the insulation layer.
1. A touch-sensitive display device, comprising:
a plurality of electrodes configured to detect a touch input received at the touch-sensitive display device;
a plurality of touch wires on a substrate, the touch wires electrically connected to the electrodes and configured to detect a touch input received at the touch-sensitive display device;
a plurality of first conductive patterns disposed directly on the substrate, each first conductive pattern connected to a touch wire and extending in a first direction from the corresponding touch wire;
an insulation layer disposed on the plurality of touch wires and first conductive patterns; and
a plurality of second conductive patterns disposed on the insulation layer, each second conductive pattern contacting a corresponding one of the touch wires via a contact hole in the insulation layer and at least partially overlapping a corresponding one of the first conductive patterns while being separated from the corresponding one of the first conductive patterns by the insulation layer.
2. The touch-sensitive display device of claim 1 , wherein a second conductive pattern contacts a first touch wire and at least partially overlaps a first conductive pattern coupled to a second touch wire adjacent to the first touch wire.
3. The touch-sensitive display device of claim 1 , further comprising:
a plurality of contact pads configured to receive input from or provide output to a controller of the touch-sensitive display device, the touch wires coupling the electrodes to the contact pads;
wherein the first and second conductive patterns are disposed between the contact pads and the electrodes.
4. A touch-sensitive display device, comprising:
a plurality of electrodes configured to detect a touch input received at the touch-sensitive display device;
a plurality of touch wires on a substrate, the touch wires electrically connected to the electrodes and configured to detect a touch input received at the touch-sensitive display device;
a plurality of contact pads configured to receive input from or provide output to a controller of the touch-sensitive display device, the touch wires coupling the electrodes to the contact pads, wherein a first subset of the touch wires couple first ends of the electrodes to the contact pads and a second subset of the touch wires couple second ends of the electrodes to the contact pads, wherein the first subset of the touch wires cross the second subset of the touch wires;
a plurality of connection patterns coupled to each touch wire in the first subset, the connection patterns disposed on the insulation layer and connecting segments of a respective touch wire to cross one or more of the touch wires in the second subset;
a plurality of first conductive patterns on the substrate, each first conductive pattern connected to a touch wire and extending in a first direction from the corresponding touch wire;
an insulation layer disposed on the plurality of touch wires and first conductive patterns; and
a plurality of second conductive patterns disposed on the insulation layer, each second conductive pattern contacting a corresponding one of the touch wires via a contact hole in the insulation layer and at least partially overlapping a corresponding one of the first conductive patterns while being separated from the corresponding one of the first conductive patterns by the insulation layer, wherein the first and second conductive patterns are disposed between the contact pads and the electrodes.
5. The touch-sensitive display device of claim 4 , wherein the first and second conductive patterns are disposed between the contact pads and the connection patterns.
6. The touch-sensitive display device of claim 4 , wherein at least one of the second conductive patterns contacts a corresponding one of the touch wires in the second subset and at least partially overlaps a first conductive pattern coupled to another corresponding one of the touch wires in the second subset.
7. The touch-sensitive display device of claim 4 , wherein at least one of the second conductive patterns contacts a touch wire in the first subset and partially overlaps a first conductive pattern coupled to a touch wire in the second subset.
8. The touch-sensitive display device of claim 4 , wherein at least one of the plurality of connection patterns contacts segments of a touch wire in the first subset on opposite sides of a touch wire in the second subset via contact holes in the insulation layer.
9. The touch-sensitive display device of claim 4 , wherein the plurality of electrodes comprise a plurality of first electrodes to receive a touch drive signal and a plurality of second electrodes to provide a touch sense signal indicative of a presence or absence of the touch input in response to the touch drive signal, wherein the touch wires in the first subset are coupled to first ends of the second electrodes and the touch wires in the second subset are coupled to second ends of the second electrodes.
10. A touch-sensitive display device, comprising:
a plurality of electrodes configured to detect a touch input received at the touch-sensitive display device;
a plurality of touch wires on a substrate, the touch wires electrically connected to the electrodes and configured to detect a touch input received at the touch-sensitive display device;
a plurality of first conductive patterns disposed on the substrate in a same layer as the touch wires, each first conductive pattern connected to a touch wire and extending in a first direction from the corresponding touch wire;
an insulation layer disposed on the plurality of touch wires and first conductive patterns; and
a plurality of second conductive patterns disposed on the insulation layer, each second conductive pattern contacting a corresponding one of the touch wires via a contact hole in the insulation layer and at least partially overlapping a corresponding one of the first conductive patterns while being separated from the corresponding one of the first conductive patterns by the insulation layer.
11. The touch-sensitive display device of claim 10 , wherein a second conductive pattern contacts a first touch wire and at least partially overlaps a first conductive pattern coupled to a second touch wire adjacent to the first touch wire.
12. The touch-sensitive display device of claim 10 , further comprising:
a plurality of contact pads configured to receive input from or provide output to a controller of the touch-sensitive display device, the touch wires coupling the electrodes to the contact pads;
wherein the first and second conductive patterns are disposed between the contact pads and the electrodes.
13. The touch-sensitive display device of claim 12 , wherein a first subset of the touch wires couple first ends of the electrodes to the contact pads and a second subset of the touch wires couple second ends of the electrodes to the contact pads, wherein the first subset of the touch wires cross the second subset of the touch wires, the touch-sensitive display device further comprising:
a plurality of connection patterns coupled to each touch wire in the first subset, the connection patterns disposed on the insulation layer and connecting segments of a respective touch wire to cross one or more of the touch wires in the second subset.
14. The touch-sensitive display device of claim 13 , wherein the first and second conductive patterns are disposed between the contact pads and the connection patterns.
15. The touch-sensitive display device of claim 13 , wherein at least one of the second conductive patterns contacts a corresponding one of the touch wires in the second subset and at least partially overlaps a first conductive pattern coupled to another corresponding one of the touch wires in the second subset.
16. The touch-sensitive display device of claim 13 , wherein at least one of the second conductive patterns contacts a touch wire in the first subset and partially overlaps a first conductive pattern coupled to a touch wire in the second subset.
17. The touch-sensitive display device of claim 13 , wherein at least one of the plurality of connection patterns contacts segments of a touch wire in the first subset on opposite sides of a touch wire in the second subset via contact holes in the insulation layer.
18. The touch-sensitive display device of claim 13 , wherein the plurality of electrodes comprise a plurality of first electrodes to receive a touch drive signal and a plurality of second electrodes to provide a touch sense signal indicative of a presence or absence of the touch input in response to the touch drive signal, wherein the touch wires in the first subset are coupled to first ends of the second electrodes and the touch wires in the second subset are coupled to second ends of the second electrodes.