TOUCH PANEL AND DISPLAY DEVICE
First Claim
1. An electrostatic capacitance type touch panel comprising:
- a substrate;
a plurality of X electrodes which are formed over the substrate, the plurality of X electrodes extending in a second direction and being arranged in a first direction which intersects with the second direction; and
a plurality of Y electrodes which are formed over the substrate, the plurality of Y electrodes extending in the first direction while intersecting with the X electrodes and being arranged in the second direction;
a drive voltage being supplied to the plurality of Y electrodes from one side of the plurality of Y electrodes, whereinlead lines are connected to respective one-end portions of at least either one of the X electrodes and the Y electrodes respectively,the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, anda voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.
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0 Petitions
Accused Products
Abstract
Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.
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Citations
14 Claims
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1. An electrostatic capacitance type touch panel comprising:
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a substrate; a plurality of X electrodes which are formed over the substrate, the plurality of X electrodes extending in a second direction and being arranged in a first direction which intersects with the second direction; and a plurality of Y electrodes which are formed over the substrate, the plurality of Y electrodes extending in the first direction while intersecting with the X electrodes and being arranged in the second direction;
a drive voltage being supplied to the plurality of Y electrodes from one side of the plurality of Y electrodes, whereinlead lines are connected to respective one-end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electrostatic capacitance type touch panel comprising:
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a substrate; a plurality of X electrodes which are formed over the substrate, the plurality of X electrodes extending in a second direction and being arranged in a first direction which intersects with the second direction; and a plurality of Y electrodes which are formed over the substrate, the plurality of Y electrodes extending in the first direction while intersecting with the X electrodes and being arranged in the second direction;
a drive voltage being supplied to the plurality of Y electrodes from one side of the plurality of Y electrodes, whereinlead lines are connected to respective one-end portions of at least either one of the X electrodes and the Y electrodes respectively, the at least either one of the X electrodes and the Y electrodes is divided into first and second groups, and the lead lines which are connected to the respective end portions of the at least either one of the X electrodes and the Y electrodes in the first group and the lead lines which are connected to the respective end portions of the at least either one of the X electrodes and the Y electrodes in the second group are led out in directions different from each other, the touch panel further comprises a first inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes in the first group on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween, and a second inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes in the second group on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween, and a voltage for inspection is supplied to the first inspection electrode and the second inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the Y electrodes is supplied to the first inspection electrode and the second inspection electrode during a usual operation time. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification