Abstract: A touch panel equipped with both a capacitive sensor and a piezoelectric sensor, wherein the touch panel solves the problems of increased panel thickness, changes in the optical properties, and increased manufacturing costs. This touch panel is provided with force measurement using a piezoelectric body and capacitive point detection. The force measurement uses a pair of electrodes arranged with the piezoelectric body sandwiched therebetween. The point detection uses one electrode and another electrode. At least one top electrode is disposed on the side of the top surface of the piezoelectric body, and at least one bottom electrode is disposed on the side of the bottom surface of the piezoelectric body. One electrode among the pair of electrodes used in force measurement is a bottom electrode, and at least one electrode among the two electrodes used in point detection is a top electrode.

Abstract: Problem: To achieve a pressure sensitive sensor capable of suppressing a drop in the accuracy of detecting a pressing force even in cases where the ambient temperature changes. Resolution means: A pressure sensitive sensor (7) includes: an elastically deformable covering member (10A) covering a front surface side; a variable resistance electrode (42A), electrical resistance thereof changing in response to a change in posture; a pyroelectric material layer (50) disposed covering the variable resistance electrode (42A); and a pair of charge detection electrodes (51, 52) disposed on both sides of the pyroelectric material layer (50) in a layering direction (L).

Abstract: [Object] To provide a pressure detector capable of accurately detecting a pressing force. [Solution] A pressure detector according to the present invention includes a first piezoelectric sheet 3a, a second piezoelectric sheet 3b located so as to be close to or in contact with the first piezoelectric sheet 3a, and a detection electrode 4 that sandwiches the first piezoelectric sheet 3a and the second piezoelectric sheet 3b. The first piezoelectric sheet 3a and the second piezoelectric sheet 3b are composed of materials having identical characteristics and have a thickness of 5 ?m to 50 ?m. Potential differences respectively generated between surfaces on a support substrate 1 side and surfaces opposite to the support substrate 1 of the first piezoelectric sheet 3a and the second piezoelectric sheet 3b when the first piezoelectric sheet 3a and the second piezoelectric sheet 3b are pulled in an in-plane direction have a relationship expressed by expression 1: V1/V2<0.

Abstract: A piezoelectric sensor that can perform position detection and load detection. The touch panel having press detection function can detect the pressing load inputted to the pressing surface. An upper electrode, an upper insert member, an intermediate electrode, a lower insert member, and a lower electrode are arranged away from the pressing surface in this order. Among the upper electrode, the intermediate electrode, and the lower electrode, capacitance detection electrodes Cx, Cy for detecting the pressing position, and detection electrodes S for measuring the electric charge according to the pressure when the operation is inputted to the touch panel 1 having press detection function are included. One of the upper insert member and the lower insert member is composed of an insulating body, and the other is composed of a piezoelectric body.

Abstract: A piezoelectric sensor that can perform position detection and load detection. The touch panel having press detection function can detect the pressing load inputted to the pressing surface. An upper electrode, an upper insert member, an intermediate electrode, a lower insert member, and a lower electrode are arranged away from the pressing surface in this order. Among the upper electrode, the intermediate electrode, and the lower electrode, capacitance detection electrodes Cx, Cy for detecting the pressing position, and detection electrodes S for measuring the electric charge according to the pressure when the operation is inputted to the touch panel 1 having press detection function are included. One of the upper insert member and the lower insert member is composed of an insulating body, and the other is composed of a piezoelectric body.

Abstract: A pressure detection and display apparatus can provide good visibility even if a person wears polarized sunglasses. The pressure detection and display apparatus includes a piezoelectric sensor having upper electrode, lower electrode, and a piezoelectric layer interposed between the upper electrode and the lower electrode a polarization plate disposed under the lower electrode, and a display member disposed under the polarization plate. The piezoelectric layer is made of a retardation plate. The piezoelectric sensor and the polarization plate are arranged such that the absorption axis of the piezoelectric layer defines an angle of 20 degrees to 70 degrees relative to the slow phase axis of the polarization plate.

Abstract: A piezoelectric sensor in which position detection and load detection can be achieved. The piezoelectric sensor includes a piezoelectric layer interposed between the upper electrode and the lower electrode. In the piezoelectric sensor, at least one of the upper electrode and the lower electrode includes a plurality of electrodes patterns.

Abstract: A piezoelectric sensor capable of position detection and load detection within the sensor. The sensor includes a piezoelectric layer that generates an electric charge when pressed by an inputting means, a first electrode that is arranged on a first main face of the piezoelectric layer, a second electrode that is arranged on a second main face of the piezoelectric layer opposite the first main face, a first capacitor or a first resonant circuit connected to the first electrode, and a first detection section connected to the first electrode.

Abstract: A touch panel equipped with both a capacitive sensor and a piezoelectric sensor, wherein the touch panel solves the problems of increased panel thickness, changes in the optical properties, and increased manufacturing costs. This touch panel is provided with force measurement using a piezoelectric body and capacitive point detection. The force measurement uses a pair of electrodes arranged with the piezoelectric body sandwiched therebetween. The point detection uses one electrode and another electrode. At least one top electrode is disposed on the side of the top surface of the piezoelectric body, and at least one bottom electrode is disposed on the side of the bottom surface of the piezoelectric body. One electrode among the pair of electrodes used in force measurement is a bottom electrode, and at least one electrode among the two electrodes used in point detection is a top electrode.

Abstract: A film-like pressure-sensitive sensor capable of detecting a touch pressure in high accuracy, a touch pad, a protective panel having a touch-input function and an electronic device, all using the sensor. A film-like pressure-sensitive sensor with a frame-shaped adhesive layer on a rear face peripheral edge portion of the film-like pressure-sensitive sensor is provided. The film-like pressure-sensitive sensor includes a rectangular piezoelectric film, a detection electrode formed partially on a rear face of the piezoelectric film and a reference potential electrode formed on a front face of the piezoelectric film in such a manner as to be overlapped with the detection electrode. The detection electrode is formed continuously in a first frame-shaped region present across an inner boundary of the adhesive layer and a whole region adjacent to an inner side of the first frame-shaped region.

Abstract: A low cost touch sensor can, in conjunction with a detection of an input operation, perform detection related to a pressing force during the input operation. Upper part electrodes of the touch sensor are disposed such that they extend in an X axial direction and are arrayed in a Y axial direction that intersects the X axial direction. Furthermore, each upper part electrode comprises a plurality of upper part resistive films whose end parts in the X axial direction are electrically connected by a connection pattern. Lower part electrodes are disposed opposing the upper part resistive films and comprise lower part resistive films, whose contact surface area with the upper part resistive films varies in accordance with a pressing force that narrows the spacing to the upper part resistive films. A detection device detects contact between the upper part resistive films and the lower part resistive films based on the change in the resistance from the upper part electrodes to the lower part electrodes.

Abstract: A capacitance-type touch sensor and a display device equipped with this sensor are provided in which the detection of the transparent conductive portions can be suppressed without employing a technique using a dummy electrode. The capacitance-type touch sensor of the present invention includes a resin sheet and a plurality of transparent conductive portions formed in parallel on the resin sheet. In this capacitance-type touch sensor, the difference between the maximum and minimum retardation values of a resin sheet equipped with transparent conductive portions is 3 nm or less.

Abstract: A capacitance-type touch sensor and a display device equipped with this sensor are provided in which the detection of the transparent conductive portions can be suppressed without employing a technique using a dummy electrode. The capacitance-type touch sensor of the present invention includes a resin sheet and a plurality of transparent conductive portions formed in parallel on the resin sheet. In this capacitance-type touch sensor, the difference between the maximum and minimum retardation values of a resin sheet equipped with transparent conductive portions is 3 nm or less.

Abstract: [Object] It is an object to provide a mount structure of a touch panel with a vibration function which is superior in impact resistance, dust-proofness, and drip-proofness, and can effectively transmit a vibration of a vibration element.

Abstract: [Object] It is an object to provide a mount structure of a touch panel with a vibration function which is superior in impact resistance, dust-proofness, and drip-proofness, and can effectively transmit a vibration of a vibration element.

Abstract: By changing the method of attaching an oscillating element to a panel member, it is made possible to render the construction simple, yet, to provide oscillation to the panel member with uniform and equal drive force. In a panel member 4 having a touch type information inputting function, a reduced-rigidity portion 4a whose rigidity is reduced is provided in at least a portion of a peripheral edge 4A thereof. An oscillating element 21, 22 is provided a center side thereof including the reduced-rigidity portion 4a. The panel member relating to the present invention is effectively used in an electronic instrument such as a mobile phone and can be utilized for improvement of performance, enhanced compactness and lightweight of the electronic instrument equipped with a panel member.

Abstract: A mesh sheet of the present invention is a mesh sheet in which a metal mesh comprising fine bands is laminated on a surface of a base substrate, the mesh sheet being used and adhered along a surface of an arbitrary member having a curved surface portion. The metal mesh has a part in which the fine band positioned between connection points of the fine bands which are adjacent to each other is a curved line so as to absorb stress relative to deformation to be placed along the curved surface portion with a large curvature without destructing the metal mesh.

Abstract: A mesh sheet of the present invention is a mesh sheet in which a metal mesh comprising fine bands is laminated on a surface of a base substrate, the mesh sheet being used and adhered along a surface of an arbitrary member having a curved surface portion. The metal mesh has a part in which the fine band positioned between connection points of the fine bands which are adjacent to each other is a curved line so as to absorb stress relative to deformation to be placed along the curved surface portion with a large curvature without destructing the metal mesh.