JP2014209297A5

JP2014209297A5 -

Info

Publication number: JP2014209297A5
Application number: JP2013110655A
Authority: JP
Filing date: 2013-05-27
Publication date: 2016-04-14
Anticipated expiration: 2033-05-27

Claims

A projection capacitive touch panel having a force detection for detecting force using a piezoelectric body and a position detection for detecting a position, wherein the touch panel is dedicated to a TP positioned on the upper surface side of the piezoelectric body and the piezoelectric body. Consisting of electrodes,
Force detection is to measure the electric power generated in the piezoelectric body when a force is applied to the piezoelectric body using an electrode,
The position detection uses a set of electrodes, and one electrode of the set of electrodes is composed of a group of conductors arranged in parallel in one direction on the XY plane, and the other electrodes are the above-described electrodes. Consisting of a group of other conductors arranged parallel to a direction intersecting one direction,
Touch panel, wherein said A TP dedicated electrode, is intended to mean the electrode to be used for force detection, the electrode also serves as a position detection and electrodes and / or force detection is used to detect position.

The touch panel according to claim 1, wherein the piezoelectric body is an XY plane polarizable piezoelectric body that generates electric charges in a plane parallel to the XY plane when receiving a force.

The touch panel according to claim 2, wherein the TP dedicated electrode includes a pair of electrodes used only for force detection and a set of electrodes used only for position detection.

The TP-dedicated electrode combines a single electrode used for force detection, a single electrode of a set of electrodes used for position detection, an electrode used for force detection, and an electrode used for position detection. The touch panel according to claim 2, comprising a single electrode.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The piezoelectric body is a phase difference plate, and a slow axis of the phase difference plate, which is the piezoelectric body, is used by being arranged at an angle of 20 degrees to 70 degrees with respect to the vibration plane of the linearly polarized light. 4 Touch panel described in any one.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The touch panel according to claim 2, wherein the piezoelectric body is a retardation plate, and the retardation value of the piezoelectric body is 110 nm or more and 170 nm or less.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The touch panel according to claim 2, wherein the piezoelectric body is a phase difference plate, and the retardation value of the piezoelectric body is 800 nm or more and 30,000 nm or less.

Among a set of electrodes used for position detection, a group of conductors constituting one electrode is a first conductor, a group of other conductors constituting another electrode is a second conductor,
A pair of electrodes used for force detection is a measurement electrode and a ground electrode,
The measurement electrode is composed of a third conductor which is a group of conductors,
The TP-only electrodes on the diagram electrode projected shadow projected on the virtual plane is one of the XY plane, the third conductor is optionally arranged in parallel with either the first conductor or the second conductor, the Ichishirubeden The touch panel according to any one of claims 2 to 4, wherein when the intersection region of the body and the second conductor is a position intersection region, the position intersection region and the third conductor are separated from each other.

The third conductor has continuous wide and narrow portions alternately,
Before Symbol electrode throw shadows drawing, a touch panel as claimed in any one claims 2 to 4 wherein the narrow portion intersects the second conductor.

10. The touch panel according to claim 3, wherein a single support film is disposed on the upper side of the piezoelectric body, and the TP-dedicated electrode is formed on a lower surface of the support film.

One support film is disposed on the upper side of the piezoelectric body, at least one electrode constituting the TP-dedicated electrode is formed on the upper surface of the support film, and the rest constituting the TP-dedicated electrode on the lower surface of the support film The touch panel according to claim 3, wherein the remaining electrode is at least one electrode.

The touch panel according to claim 11, wherein the pair of electrodes used for the position detection are a power reception electrode and a power transmission electrode, and an electrode formed on an upper surface of the support film is the power reception electrode.

A metal frame is included and the frame is positioned under the piezoelectric body;
The piezoelectric body is a vertically polarizable piezoelectric body that generates charges in a plane parallel to the vertical axis when subjected to a force,
A pair of electrodes used for force detection is a measurement electrode and a ground electrode,
The touch panel according to claim 1, wherein the frame is used as the ground electrode.

A single support film is disposed on the upper side of the piezoelectric body,
Forming at least one electrode constituting the TP-dedicated electrode on the upper surface of the support film;
The remaining electrode constituting the TP-dedicated electrode is formed on the lower surface of the support film,
The touch panel as set forth in claim 13, wherein the remaining electrode is at least one electrode.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The piezoelectric body is a phase difference plate, and a slow axis of the phase difference plate as the piezoelectric body is arranged at an angle of 20 degrees to 70 degrees with respect to the vibration plane of the linearly polarized light. The touch panel described above.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The touch panel according to claim 13, wherein the piezoelectric body is a retardation plate, and a retardation value of the piezoelectric body is 110 nm or more and 170 nm or less.

The touch panel is a touch panel used by being placed on a display surface of a display device, and the display device has visible light emitted from the display surface as linearly polarized light,
The touch panel according to claim 13, wherein the piezoelectric body is a retardation plate, and a retardation value of the piezoelectric body is 800 nm or more and 30,000 nm or less.

An electronic device comprising a display device and a touch panel,
The touch panel is a projected capacitive touch panel having a force detection for detecting force using a piezoelectric body and a position detection for detecting a position.
The touch panel has a TP dedicated electrode positioned on the upper surface side of the piezoelectric body,
Force detection is to measure the electric power generated in the piezoelectric body when a force is applied to the piezoelectric body using an electrode, and a pair of electrodes used for force detection is a measurement electrode and a ground electrode,
The position detection uses a set of electrodes, and one electrode of the set of electrodes is composed of a group of conductors arranged in parallel in one direction on the XY plane, and the other electrodes are the above-described electrodes. Consisting of a group of other conductors arranged parallel to a direction intersecting one direction,
The TP-only electrodes Ri set of electrodes der used for position detection and the measurement electrode,
The display device includes display configuration electrodes constituting the display device,
The piezoelectric body, Ri vertical plane polarized piezoelectric der which charges are generated in the plane parallel to the vertical axis and subjected to a force,
An electronic apparatus using the display configuration electrode as the ground electrode.

A single support film is disposed on the upper side of the piezoelectric body,
Forming at least one electrode constituting the TP-dedicated electrode on the upper surface of the support film;
The remaining electrode constituting the TP-dedicated electrode is formed on the lower surface of the support film,
The electronic device according to claim 18, wherein the remaining electrode is at least one electrode.

A group of conductors constituting one electrode in the set of electrodes used for position detection is a first conductor,
A group of other conductors constituting the other electrode is a second conductor,
The measurement electrode is composed of a third conductor which is a group of conductors,
The TP-only electrodes on the diagram electrode projected shadow projected on the virtual plane is one of the XY plane, the Sanshirubedentai is not arranged in parallel with either the first conductor or the second conductor, the Ichishirubeden when the body and intersecting region of the second conductor was positioned intersection area, the electronic device of claim 18, before Symbol position intersecting region and the third conductor are spaced apart.

The third conductor has continuous wide and narrow portions alternately,
Before Symbol electrode throw shadows drawing, the electronic device of claim 18 wherein said narrow portion intersects the second conductor.

The electronic device according to any one of claims 18 to 21,
In the display device, visible light emitted from the display surface is linearly polarized light,
The piezoelectric body is a retardation plate, a slow axis of the retardation plate is a pre-Symbol piezoelectric body, the linearly polarized light to Claim 18 arranged at an angle of 70 degrees from 20 degrees relative to the plane of vibration of 21. The electronic device described in any one of 21.

The electronic device according to any one of claims 18 to 22,
In the display device, visible light emitted from the display surface is linearly polarized light,
The piezoelectric body is a phase difference plate, before Symbol piezoelectric electronic device as claimed in any one claims 18 to 22 retardation value is 110nm or more 170nm following.

The electronic device according to any one of claims 18 to 22,
In the display device, visible light emitted from the display surface is linearly polarized light,
The piezoelectric body is a phase difference plate, before Symbol piezoelectric electronic device as claimed in any one claims 18 to 22 retardation value is 800nm or more 30,000nm following.