WO2012117738A1 - Electronic apparatus and manufacturing method for electronic apparatus - Google Patents

Electronic apparatus and manufacturing method for electronic apparatus Download PDF

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Publication number
WO2012117738A1
WO2012117738A1 PCT/JP2012/001426 JP2012001426W WO2012117738A1 WO 2012117738 A1 WO2012117738 A1 WO 2012117738A1 JP 2012001426 W JP2012001426 W JP 2012001426W WO 2012117738 A1 WO2012117738 A1 WO 2012117738A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
elastic member
touch panel
piezoelectric element
hole
Prior art date
Application number
PCT/JP2012/001426
Other languages
French (fr)
Japanese (ja)
Inventor
堀井　省次
修平 久野
Original Assignee
京セラ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京セラ株式会社 filed Critical 京セラ株式会社
Priority to JP2013502199A priority Critical patent/JPWO2012117738A1/en
Publication of WO2012117738A1 publication Critical patent/WO2012117738A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the present invention relates to an electronic device that includes a panel that forms an appearance and vibrates the panel.
  • touch panels and touch pads are widely used as input devices for electronic devices.
  • a device that feeds back a feeling of operation to an operator's fingertip by vibrating the touch panel or the touch pad is proposed (for example, see Patent Document 1).
  • the above-mentioned problem is a problem that is expected to occur in common in an electronic device that includes a panel that configures the appearance and vibrates the panel.
  • a predetermined electrical signal (audio signal) is applied to vibrate the panel, and vibration is applied to a part of the user's body (for example, the cartilage of the outer ear) that contacts the panel.
  • an electronic device that vibrates the panel there is an electronic device having a function of removing water droplets and dirt attached to the panel due to the vibration of the panel.
  • An electronic apparatus is an electronic apparatus including a panel, a vibrating unit that vibrates the panel, and a support member that supports the panel via a frame-shaped elastic member.
  • the elastic member has a hole and a heat shrink member filled in the hole, and is waterproof between the touch panel and the elastic member and between the elastic member and the support member.
  • the adhesive member provided is arrange
  • An electronic apparatus is an electronic apparatus including a panel, a vibration section that bends and vibrates the panel, and a support member that supports the panel via a frame-like elastic member.
  • the elastic member has a hole, and an adhesive member having waterproofness and gas permeability is disposed between the panel and the elastic member and between the elastic member and the support member. It is characterized by that.
  • the panel and the elastic member, and the elastic member and the support member are bonded to each other through the adhesive member, and then the heat-shrinkable under a heating environment.
  • the member is contracted.
  • a method for manufacturing an electronic apparatus uses a frame-shaped elastic member having holes, a sublimation member that sublimates from a solid to a gas, and an adhesive member having waterproofness and gas permeability.
  • a sublimation member that sublimates from a solid to a gas
  • an adhesive member having waterproofness and gas permeability.
  • an electronic device that includes a panel that configures the appearance and vibrates the panel can be made difficult to inhibit the vibration of the panel, and can be improved in dust resistance and waterproofness.
  • FIG. 1 is a perspective view showing an entire electronic apparatus according to an embodiment of the present invention.
  • FIG. 2 is a plan view of the electronic device shown in FIG. 1 with an upper housing removed.
  • FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2, wherein (a) shows a state in which the heat shrinkable member is filled in the through hole of the elastic member, and (b) shows the heat shrinkable member in a heating environment. It is a figure which shows the state expanded / contracted. It is a top view of the elastic member shown in FIG. It is a top view of the adhesive member shown in FIG.3 and FIG.7. It is the top view except the upper housing
  • FIG. 7 is a cross-sectional view taken along the line BB in FIG. 6,
  • (a) is a diagram showing a state in which the through hole of the elastic member is filled with a sublimation member, and
  • (b) is a sublimation member sublimated in a sublimation environment. It is a figure which shows a state.
  • It is a top view of the adhesive member used for the electronic device which concerns on the 3rd Embodiment of this invention.
  • (A) is a front view of the electronic device which concerns on the 3rd Embodiment of this invention.
  • FIG. 11B is a sectional view taken along line bb in FIG. It is sectional drawing which shows the modification of the electronic device which concerns on the 3rd Embodiment of this invention.
  • FIG. 1 is a perspective view showing an entire electronic apparatus according to an embodiment of the present invention.
  • the electronic device 1 according to the present embodiment includes an upper housing 11, a lower housing 12, and a touch panel 21 in appearance.
  • the touch panel 21 will be described later.
  • the upper casing 11 and the lower casing 12 constitute the casing 10 by combining them together.
  • a suitable waterproof structure is achieved by, for example, a sealed structure via rubber packing. And dust-proof measures are taken.
  • the upper housing 11 and the lower housing 12 are preferably made of a material that can withstand a certain degree of impact, such as a resin case. In the following description, detailed description of the combined structure of the upper housing 11 and the lower housing 12 is omitted.
  • FIG. 2 is a plan view of the electronic apparatus 1 shown in FIG. 1 with the upper housing 11 removed
  • FIG. 3A is a cross-sectional view taken along the line AA in FIG. It is a figure which shows the state by which the heat contraction member was filled into the through-hole of this.
  • the touch panel 21 is supported by the lower housing 12 via an elastic member 30.
  • an adhesive member 41 is disposed on the front surface and the back surface of the touch panel 21, and the touch panel 21, the elastic member 30, and the lower housing 12 are coupled by the adhesive member 41.
  • the touch panel 21 is formed of, for example, a transparent resin material.
  • the touch panel 21 has a rectangular shape, but may have a square shape.
  • “rectangular shape” and “square shape” include not only a case where each side is a straight line but also a case where it is an arc.
  • the two vibrating portions 22 extend substantially in parallel in the direction along the edge 21 b on the short side in the vicinity of the short side of the touch panel 21.
  • it is fixed to the back surface of the touch panel 21 with a double-sided tape, an adhesive, or the like.
  • the vibration unit 22 presents a tactile sensation to the contact object that is in contact with the operation area 21a of the touch panel 21 by generating vibration according to a predetermined vibration pattern.
  • the vibration unit 22 is, for example, a piezoelectric element, and is expanded and contracted in the longitudinal direction based on, for example, a drive signal supplied from a control unit on the circuit board 50 illustrated in FIG. .
  • the touch panel 21 can be curved and vibrated in a direction indicated by an arrow in FIG. 1, that is, a direction in which the short side is bent more greatly than the long side.
  • the touch panel 21 is disposed on the front surface of the display unit 60 illustrated in FIG. 3, for example, and touches an object displayed on the display unit 60 with an operator's finger, a stylus pen, or the like (hereinafter simply referred to as “contact object”). Is detected in the operation area 21a of the corresponding touch panel 21. Therefore, in the present embodiment, the “touch panel” will be described assuming a member disposed on the front surface of the display unit 60 which can be an LCD or the like, that is, a member provided separately from the display unit 60. Further, the touch panel 21 detects the position of contact of the contact object with respect to the operation region 21a, and notifies the detected position of the contact to, for example, the control unit on the circuit board 50 described above.
  • the touch panel 21 may be a touch panel configured by a known system such as a resistance film system, a capacitance system, and an optical system.
  • a known system such as a resistance film system, a capacitance system, and an optical system.
  • the touch panel 21 it is not essential that the contact object physically touch the touch panel 21.
  • the touch panel 21 is an optical type, the touch panel 21 detects a position where infrared rays on the touch panel 21 are blocked by the contact object, and thus it is not necessary for the contact object to touch the touch panel 21.
  • the display unit 60 described above displays an object such as a push button switch (push button switch) such as a key as an image.
  • This object is an image that suggests to the operator an area to be touched on the operation area 21 a of the touch panel 21.
  • the push button switch is a button, key, or the like (hereinafter, simply referred to as “key, etc.”) used by an operator for input operation.
  • the display unit 60 is configured using, for example, a liquid crystal display panel (LCD), an organic EL display panel, or the like. In the present specification, detailed description of display-related matters is omitted.
  • the elastic member 30 has a frame shape that has substantially the same outer shape as the touch panel 21, and a plurality of through holes 30 a that penetrate the front and back surfaces of the elastic member 30 are provided on each side of the frame. Is provided.
  • the through hole 30a is rectangular, but it may be circular or elliptical, and the shape can be selected as appropriate.
  • three through holes 30a are provided along the short-side edge 21b of the touch panel 21 and four through-holes 30c are provided along the long-side edge 21c. It can be selected as appropriate.
  • the elastic member 30 is required to have a certain degree of elasticity without allowing water to permeate. Examples of such an elastic member include silicone rubber.
  • the heat shrink member 31 is filled in each through hole 30 a of the elastic member 30.
  • heat-shrinkable member means a member that has a physical property that shrinks when heat is applied and has a volume after heating that is less than the volume before heating.
  • Examples of such materials include radiation-crosslinked polyolefin, radiation-crosslinked vinylidene, radiation-crosslinked flexible fluoropolymer, radiation-crosslinked fluorinated elastomer, radiation-crosslinked elastomer, two-layer structure radiation-crosslinked polyolefin, electron beam-crosslinked polyolefin, elastic neoprene, Examples include fluoroplastic Teflon and polytetrafluoroethylene.
  • the adhesive member 41 has a frame shape substantially the same shape as the elastic member 30 as shown in FIG.
  • the adhesive member 41 is a waterproof double-sided adhesive member, such as a waterproof tape, and examples thereof include Sekisui Chemical Co., Ltd. foam tape (# 5202WP).
  • the adhesive member 41 when the adhesive member 41 is attached to the elastic member 30 in which nothing is filled in the through-hole 30a, the adhesive member 41 may enter the through-hole 30a, and the adhesive members 41 that have entered are stuck together. Wrinkles may occur. For this reason, there is a concern that the touch panel 21 and the elastic member 30 cannot be sufficiently bonded to each other, so that necessary adhesive strength cannot be obtained, or water enters from the gap between the bonding members 41.
  • the adhesive member 41 by adhering the adhesive member 41 in a state where the heat shrinkable member 31 is filled in the through hole 30a, the adhesive member 41 enters the through hole 30a and wrinkles of the adhesive member 41 occur. Hateful. Thereby, since the touch panel 21, the elastic member 30, and the lower housing
  • the electronic apparatus 1 configured as described above has the heating environment after the elastic member 30, the touch panel 21, and the lower housing 12 filled with the heat shrinkable member 31 are coupled by the adhesive member 41.
  • the heat contraction member 31 in the through hole 30a is contracted below.
  • a gap is formed in the through hole 30a, and the outer peripheral portion of the touch panel 21 can be partially supported by the elastic member 30.
  • the heating conditions are selected according to the physical properties of the heat shrinkable member 31.
  • FIG. 6 is a plan view of the electronic apparatus 1 shown in FIG. 1 with the upper housing 11 removed
  • FIG. 7A is a cross-sectional view taken along the line BB of FIG. It is a figure which shows the state filled with the sublimation member instead of the heat contraction member with which the through-hole of this is filled.
  • the heat shrinkable member 31 is replaced with the sublimation member 32 and the adhesive member 41 is replaced with the adhesive member 42 with respect to the above-described embodiment. Since it is common, description is abbreviate
  • the sublimation member 32 is filled in each through-hole 30a of the elastic member 30 as shown in FIGS.
  • the “sublimation member” means a member having physical properties that change (sublimate) from a solid to a gas. Examples of such materials include dry ice, iodine, naphthalene, oxalic acid, paradichlorobenzene, salicylic acid, terephthalic acid, and the like.
  • the adhesive member 42 has a frame shape that is substantially the same shape as the elastic member 30 as shown in FIG.
  • the adhesive member 42 is a double-sided adhesive member having waterproofness and gas permeability, for example, a waterproof tape.
  • the above-mentioned foam tape (# 5202WP) of Sekisui Chemical Co., Ltd. has gas permeability to various substances in addition to waterproofness, so it should be used in other embodiments of the present invention. Can do.
  • the gas permeability of the adhesive member 42 is selected so as to allow the sublimation member 32 to pass therethrough according to the sublimation member 32 employed.
  • the adhesive member 42 is less likely to enter the through hole 30a and wrinkle, and the risk of peeling of the touch panel 21 can be reduced.
  • a sufficient dustproof and waterproof effect for the circuit board 50 and the display unit 60 can be obtained.
  • the sublimation member 32 in the through hole 30a is sublimated in a sublimation environment, and is released to the outside through the adhesive member.
  • the sublimation environment means that at least one of the pressure and the temperature is changed in accordance with the condition under which the selected sublimation member 32 is sublimated.
  • the solid sublimation member 32 does not remain in the through hole 30a as shown in FIG. 7B, and the outer peripheral portion of the touch panel 21 can be partially supported by the elastic member 30, so that the bending vibration In this case, a sufficient amplitude can be obtained.
  • the number of vibration units 22 is not limited to two, and can be any number according to the amplitude of the required bending vibration.
  • what is filled in the through hole 30a is not limited to the heat shrinkable member 31 and the sublimation member 32 described above, and the volume decreases when the phase transitions from a solid to a liquid, and the electronic device 1 is normally used at room temperature.
  • a substance that maintains a liquid state for example, water
  • the volume remains reduced at room temperature due to changes in environmental conditions (temperature, pressure, etc.) and changes over time (for example, substances that change when left in a few days).
  • a substance can be selected.
  • the lower housing 12 described above constitutes a “support member”, and the support member does not include a display portion such as a display, a substrate constituting a control portion, or the like.
  • the “support member” is not limited to the lower housing 12, and various members such as the display unit 60 and the circuit board 50 can be used as the support members.
  • the present invention is characterized by the elastic member 30, the heat shrink member 31, the sublimation member 32, and the adhesive members 41 and 42, and the other constituent elements other than those described in the present specification.
  • various configurations can be adopted.
  • positioned on the back side of the touch panel 21, and the touch panel 21 detects an operator's contact was demonstrated.
  • the present invention is not limited to such a mode, and for example, a mode in which the object is directly printed with ink or the like on the operation area 21a of the touch panel without the display unit 60 is assumed. You can also.
  • region 21a of the said touch panel 21 was detected using the touch panel 21.
  • the “touch panel 21” has been described assuming a member such as a so-called touch sensor.
  • the touch panel used in the electronic device according to the present invention may be any as long as it can be touched by a contact object such as an operator's finger or a stylus pen.
  • the touch panel used in the electronic device according to the present invention may be a member such as a simple “panel” that does not detect the position of contact of the contact object with the touch surface (that is, does not have a sensing function).
  • the electronic device having such a configuration for example, it is possible to determine that contact with the touch panel has been made based on the pressure detected by the pressure detection unit by further providing a pressure detection unit that detects pressure on the touch panel. it can.
  • a touch panel is used to detect contact with the touch surface of the touch panel.
  • the touch detection unit detects a press on the touch panel and that the touch is made on the touch panel based on the press.
  • the above-described press detection unit detects a press on the touch surface of the touch panel.
  • a strain gauge sensor or a piezoelectric that changes physical or electrical characteristics (strain, resistance, voltage, etc.) according to the press.
  • An arbitrary number of elements can be used.
  • the vibration unit is a piezoelectric element
  • the piezoelectric element can also be used as a press detection unit.
  • the piezoelectric element of the pressure detection unit is a load (force) magnitude (or magnitude of the load (force) related to the pressure on the touch surface of the touch panel.
  • the voltage magnitude (voltage value) which is an electrical characteristic, changes according to the speed (acceleration) at which the voltage changes.
  • the pressure detection unit can notify the control unit of the magnitude of the voltage (voltage value (hereinafter simply referred to as data)).
  • the control unit acquires the data when the press detection unit notifies the control unit of the data, or when the control unit detects data related to the piezoelectric element of the press detection unit.
  • a control part acquires the data based on the press with respect to the touch surface of a touchscreen. That is, a control part acquires the data based on a press from a press detection part. Then, when the data based on the press satisfies a predetermined standard, the control unit can determine that contact has been made and generate a predetermined vibration.
  • the predetermined reference can be set as appropriate according to the load characteristic when the push button switch is to be expressed.
  • such a pressure detection unit can be configured according to a contact detection method on the touch panel.
  • a strain gauge sensor, a piezoelectric element, or the like is used by associating the magnitude of the resistance corresponding to the size of the contact area with the pressing load (force) on the touch surface of the touch panel. It can be configured without.
  • the capacitance can be configured without using a strain gauge sensor or a piezoelectric element by associating the size of the capacitance with a load (force) of pressing against the touch surface of the touch panel. it can.
  • Such a pressure detection unit can assume various configurations according to a contact detection method on the touch panel.
  • a strain gauge sensor, a piezoelectric element, or the like is used by associating the magnitude of the resistance corresponding to the size of the contact area with the pressing load (force) on the touch surface of the touch panel. It can be configured without.
  • the capacitance can be configured without using a strain gauge sensor or a piezoelectric element by associating the size of the capacitance with a load (force) of pressing against the touch surface of the touch panel. it can.
  • the vibration unit is configured by using an arbitrary number of piezoelectric vibrators, is configured by providing a transparent piezoelectric element on the entire surface of the touch panel, or configured to rotate the eccentric motor once in one cycle of the drive signal. You can also do it.
  • the pressure detection unit and the vibration unit are configured using a piezoelectric element
  • the pressure detection unit and the vibration unit may be configured by sharing the piezoelectric element. This is because the piezoelectric element generates a voltage when pressure is applied and deforms when the voltage is applied.
  • the vibration unit drives the piezoelectric element to generate vibration. It can also be generated.
  • the voltage value (data) may reach a predetermined reference value, It may be when the value (data) exceeds a predetermined reference value or when a voltage value (data) equal to the predetermined reference value is detected.
  • the electronic apparatus according to the present invention does not necessarily have such a configuration, and the touch panel and the display unit can be separated from each other.
  • the configuration in which the touch panel is arranged so as to overlap the upper surface of the display unit allows the operator to easily recognize the correspondence between the displayed image, the region where the operation input is detected, and the generated vibration. Can do.
  • the display unit and the touch panel in the description of the present embodiment may be configured by an integrated device, for example, by providing both functions of the display unit and the contact detection unit on a common substrate.
  • a plurality of photoelectric conversion elements such as photodiodes are regularly arranged in a matrix electrode array of pixel electrodes included in the liquid crystal panel.
  • This device displays an image with a liquid crystal panel structure, while reflecting the light of a backlight for liquid crystal display at the tip of a pen that touches and inputs a desired position on the surface of the panel. The reflected light is reflected by peripheral photoelectric conversion elements.
  • the touch position can be detected by receiving the light.
  • the vibration unit 22 may be configured to indirectly vibrate the touch panel by vibrating the electronic device based on a vibration motor (eccentric motor) or the like.
  • a vibration motor eccentric motor
  • the through-hole 30a which penetrates the back surface of the elastic member 30 as a hole of the elastic member 30 was demonstrated.
  • the present invention is not limited to such an embodiment, and the hole of the elastic member is a groove that is concave from one surface to the other surface without penetrating the elastic member 30 to the end. There may be.
  • a mobile phone terminal that includes a touch panel having a sensing function and feeds back a feeling of operation has been described.
  • the present invention is not limited to this.
  • an electronic apparatus according to the third embodiment of the present invention will be described.
  • the electronic device generates vibration on a panel by applying an electrical signal corresponding to a predetermined audio signal to a piezoelectric element attached to a panel such as a touch panel or a cover panel that protects a display unit.
  • a panel such as a touch panel or a cover panel that protects a display unit.
  • It may be an electronic device.
  • Such an electronic device can transmit sound to the user even when a part of the user's body (for example, cartilage of the outer ear) is brought into contact with the vibrated panel.
  • the cellular phone 100 described below is given as an example of the electronic apparatus according to the third embodiment of the present invention, and is not limited to the configuration shown in the figure.
  • the configuration of the mobile phone 100 can be appropriately changed within a range that does not hinder the application of the present invention.
  • FIG. 8 is a view showing an elastic member 160 arranged in an electronic apparatus according to the third embodiment of the present invention.
  • the elastic member 160 is a frame-like member having substantially the same outer shape as the panel 120, like the elastic member 30 shown in FIG.
  • a plurality of through holes 160 a penetrating the front and back surfaces of the elastic member 160 are formed on each side of the frame.
  • the through-hole 160a is rectangular, but it may be circular or elliptical, and the shape can be changed as appropriate.
  • the number of through holes 160a formed in the elastic member 160 is not limited to the number shown in FIG.
  • the elastic member 160 is formed of a waterproof material, for example, silicone rubber, as in the first embodiment.
  • the heat shrink member 161 is filled in the through hole 160 a formed in the elastic member 160.
  • FIG. 9 is a view showing an adhesive member 170 arranged in an electronic apparatus according to the third embodiment of the present invention.
  • the adhesive member 170 is a frame-like member having substantially the same outer shape as the panel 120, like the adhesive member 41 shown in FIG.
  • the adhesive member 170 has substantially the same shape as the elastic member. Similar to the adhesive member 41, the adhesive member 170 is, for example, a double-sided tape having waterproofness.
  • FIG. 10 is a diagram showing an electronic apparatus according to the third embodiment of the present invention.
  • 10A is a front view
  • FIG. 10B is a cross-sectional view taken along the line bb in FIG. 10A.
  • FIG. 10A is a plan view of the casing 110 excluding the upper casing 110a, as in FIG.
  • a mobile phone 100 as an electronic apparatus includes a housing 110, a panel 120, a display unit 130, a piezoelectric element 140, a joining member 150, an elastic member.
  • a member 160 and an adhesive member 170 are provided.
  • the piezoelectric element 140 is bonded to the panel 120 with a bonding member 150.
  • the panel 120 is supported by the elastic member 160 with respect to the lower housing 110b.
  • the panel 120 and the elastic member 160 are bonded by an adhesive member 170.
  • the elastic member 160 and the lower housing 110b are bonded by the bonding member 170.
  • Panel 120, display unit 130, and piezoelectric element 140 are each substantially rectangular.
  • the contact area of the piezoelectric element 140 with the bonding member 150 may be substantially the entire main surface on one side of the piezoelectric element.
  • vibrations in the piezoelectric element 140 are efficiently transmitted to the panel 120 and the panel 120 is brought into contact with the human body.
  • the panel 120 can be curved and vibrated with sufficient strength so as not to be attenuated.
  • the display unit 130 is disposed substantially at the center of the panel 120 in the short direction.
  • the piezoelectric element 140 is disposed at a predetermined distance from an end portion in the longitudinal direction of the panel 120, and is disposed in the vicinity of the end portion so that the longitudinal direction of the piezoelectric element 140 is along the short side of the panel 120.
  • the display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. For example, when the panel 120 and the display unit 130 are configured not to overlap each other, the piezoelectric element 140 may be disposed at the center of the panel 120.
  • the piezoelectric element 140 When the piezoelectric element 140 is disposed at the center of the panel 120, the vibration of the piezoelectric element 140 is evenly transmitted to the entire panel 120, and even when the user touches the ear to various positions of the panel 120, the voice is recognized. be able to. Similar to the above-described embodiment, a plurality of piezoelectric elements may be mounted.
  • the casing 110 has an upper casing 110a and a lower casing 110b.
  • the hard part 110a is made of a material such as resin, for example.
  • the panel 120 detects contact of a finger, a pen, a stylus pen, or the like with respect to the touch panel.
  • the touch panel detection method may be any method such as a capacitance method, a resistance film method, a surface acoustic wave method (or an ultrasonic method), an infrared method, an electromagnetic induction method, and a load detection method.
  • the panel 120 may be a protective panel for protecting the display unit 130.
  • the material of the panel 120 is made of, for example, glass or synthetic resin, and may be a plate-like body.
  • the display unit 130 is a display device such as a liquid crystal display, an organic EL display, or an inorganic EL display.
  • the piezoelectric element 140 is an element that expands and contracts according to the electromechanical coupling coefficient of the constituent material when a voltage is applied.
  • the piezoelectric element 140 may be a unimorph, bimorph, or multilayer piezoelectric element.
  • the stacked piezoelectric element includes a stacked bimorph element in which bimorphs are stacked (for example, 16 layers or 24 layers are stacked).
  • a laminated piezoelectric element it is composed of a laminated structure of a plurality of dielectric layers made of, for example, PZT (lead zirconate titanate) and electrode layers arranged between the dielectric layers.
  • the bonding member 150 is an adhesive or double-sided tape having thermosetting property or ultraviolet curable property.
  • an optical elastic resin which is a colorless and transparent acrylic ultraviolet curable adhesive may be used.
  • the first elastic member 160 is made of a flexible material such as PET (polyethylene terephthalate) and is sufficiently thin so that it can be slightly expanded and contracted.
  • the first elastic member 160 has a frame shape, and is continuously or intermittently attached to the bottom surface of the panel 120 over the entire circumference of the outer edge of the bottom surface of the panel 120.
  • the elastic member 160 is a frame-shaped member having substantially the same outer shape as the panel 120.
  • a through hole 160a is formed in each frame side of the elastic member 160 as in the first embodiment.
  • the through-hole 160a of the elastic member 160 is filled with a heat shrink member 161.
  • the adhesive member 170 is a frame-shaped member that is substantially the same shape as the elastic member 160.
  • the adhesive member 170 is a double-sided tape having waterproofness, for example.
  • the adhesive member 170 is provided between the surface of the panel 120 inside the housing and the elastic member 160, and between the elastic member 160 and the lower housing 110b.
  • the panel 120 is supported by the elastic member 160 with respect to the lower casing 110b.
  • the panel 120 and the elastic member 160 are bonded by an adhesive member 170.
  • the elastic member 160 and the lower housing 110b are bonded by the bonding member 170.
  • the outer peripheral portion of the panel 120 is fixed to the lower casing 110b by the elastic member 160 and the adhesive member 170, both having waterproofness.
  • the waterproofness and dustproofness of the mobile phone 100 are improved. Furthermore, this configuration makes it difficult for the panel 120 to attenuate vibrations.
  • the adhesive member 170 does not enter the through-hole 160a and the wrinkle of the adhesive member 170 does not easily occur.
  • the cellular phone 100 having the above configuration can transmit sound to the user even if a part of the user's body comes into contact with the panel 120 that vibrates due to the expansion and contraction of the piezoelectric element 140.
  • the piezoelectric element 140 expands and contracts (curves) in the longitudinal direction based on, for example, an electric signal output from a control unit (not shown). Since the piezoelectric element 140 is attached to the panel 120 by the bonding member 150, the panel 120 vibrates as the piezoelectric element 140 expands and contracts. The panel 120 vibrates not only in the attachment region to which the piezoelectric element 140 is attached, but also in a region away from the attachment region. At a certain moment, the panel 120 vibrates in such a manner that a portion having a relatively large vibration amplitude and a portion having a relatively small vibration amplitude are randomly distributed throughout the panel. That is, vibrations of a plurality of waves are detected over the entire panel.
  • the mobile phone 100 generates a vibration in a panel such as a cover panel that protects the touch panel or the display unit by applying a predetermined electrical signal (audio signal) to the piezoelectric element, and is used for the panel that has been vibrated.
  • a sound can be transmitted to the user by contacting a part of the person's body (for example, cartilage of the outer ear).
  • the output sound from the panel of the mobile phone 100 is the voice of the other party, the incoming melody or music including music.
  • the music may be played based on music data stored in an internal memory, or music data stored in an external server or the like may be played back via a network.
  • the amplifier may be controlled to amplify only the low sound range.
  • a dynamic speaker may be provided separately.
  • the sound outlet of the dynamic speaker may be closed by a waterproof sheet that allows gas to pass but not liquid, such as Gore-Tex (trademark).
  • Piezoelectric element vibrates not only the attachment area of the panel where the piezoelectric element is attached, but also the area away from the attachment area of the panel. Therefore, the user can hear the sound by touching the ear to an arbitrary position on the panel.
  • the user can connect an electronic device including a panel having a panel approximately the same size as the user's ear or larger than the user's ear. By making contact so that the entirety is covered, it is possible to hear the sound output from the electronic device while reducing ambient sound (noise) from entering the ear canal.
  • the panel may oscillate in a region wider than a region having a length corresponding to the distance from the earring to the tragus and the antitragus and a width corresponding to the distance from the earring leg to the antitragus.
  • the average ear size can be found, for example, by referring to the Japanese human body size database (1992-1994) created by the Human Life Engineering Research Center (HQL). In general, if a panel is made with the size of Japanese ears as a guide, it can be applied to foreigners.
  • the mobile phone 100 described above can transmit sound to the user by vibration through a part of the user's body (for example, cartilage of the outer ear). There is little sound transmitted to. Therefore, it is suitable for listening to a recorded message on a train or the like.
  • the mobile phone 100 transmits sound by the vibration of the panel 120, for example, even if the user wears an earphone or a headphone, the user can contact the electronic device with the earphone or the headphone. You can hear sound through your body part.
  • the display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. Since the display unit 130 is attached to the panel 120, the rigidity of the lower part of the panel 120 (lower side in FIG. 10) is increased, and the vibration of the upper part of the panel 120 to which the piezoelectric element 140 is attached (upper side in FIG. 10). Can be vibrated greatly as compared with the lower part of the panel 120. Therefore, it is possible to efficiently transmit the vibration of the panel 120 to the user.
  • the voltage applied to the piezoelectric element is higher than the voltage applied to the piezoelectric element mounted on a normal so-called panel speaker. Should be set higher.
  • the support structure for the panel housing is greatly different.
  • the panel speaker disclosed in Japanese Patent Publication No. 2010-1114866, the panel itself is not greatly deformed, and the entire panel is moved in parallel in the thickness direction of the panel. It is supported on the housing at both ends in the direction by a film-like member, a stretchable rubber member, a spring member, or the like.
  • the mobile phone 100 has a structure in which the entire outer periphery of the panel 120 is supported by the casing 110 by the elastic member 160 and the adhesive member 170. That is, the panel 120 of the mobile phone 100 is firmly fixed to the housing as compared with the panel speaker panel described in the above document. That is, the elastic member 160 and the adhesive member 170 that support the entire circumference of the panel 120 are appropriately selected from materials that do not cause the panel 120 to vibrate in the same manner as the panel of the so-called panel speaker (parallel movement of the entire panel). .
  • the adhesive member 170 may be, for example, a foam tape (# 5202WP) manufactured by Sekisui Chemical Co., Ltd.
  • the mobile phone 100 has been described above, but the mobile phone 100 is not limited to the above-described configuration, and various changes can be made regarding the configuration. It is a figure which shows the modification of the electronic device which concerns on the 3rd Embodiment of this invention.
  • FIG. 11 is a cross-sectional view seen from the same direction as FIG.
  • an intermediate member 180 may be disposed between the piezoelectric element 140 and the panel 120.
  • the piezoelectric element 140 and the intermediate member 180 may be bonded by the bonding member 150
  • the intermediate member 180 and the panel 120 may be bonded by the bonding member 150.
  • the joining member 150 may be the above-described various adhesives or double-sided tape.
  • the intermediate member 180 is, for example, a resin plate, a sheet metal, or a resin plate including glass fiber.
  • the piezoelectric element is attached to the panel, but may be attached to a location different from the panel.
  • the piezoelectric element may be attached to a battery lid that is attached to the housing and covers the battery. Since the battery lid is often attached to a surface different from the panel in the mobile phone, according to such a configuration, the user listens to the sound by touching a part of the body (for example, an ear) to a surface different from the panel. Can do.
  • Electronic devices that transmit sound to the user through a part of the user's body are conducted through the part of the user's body that contacts the vibrating panel. It is also possible to transmit to the user both the sound to be heard (human body conduction sound) and the vibration of the air in the vicinity of the panel (air conduction sound) caused by the vibration of the panel.

Abstract

The objective of this electronic apparatus, which is provided with a panel which configures the appearance thereof, and which vibrates the panel, is to avoid allowing the vibration of the panel to be hindered and to improve anti-dust and waterproofness properties. The electronic apparatus is provided with a touch panel (21), a vibrating portion (22) for causing flexure vibration of the touch panel (21), and a lower housing (support member) (12) for supporting the touch panel (21) via frame-shaped elastic members (30). The elastic members (30) have holes (30a) and have heat-shrinkable members (31) which are filled into the holes (30a). Between the touch panel (21) and the elastic members (30), and between the elastic members (30) and the support member (12), attachment members (41) provided with waterproofness are disposed.

Description

電子機器及び電子機器の製造方法Electronic device and method for manufacturing electronic device 関連出願へのクロスリファレンスCross-reference to related applications
　本出願は、日本国特許出願２０１１－０４５６０９号（２０１１年３月２日出願）の優先権を主張するものであり、当該出願の開示全体を、ここに参照のために取り込む。 This application claims the priority of Japanese Patent Application No. 2011-045609 (filed on March 2, 2011), the entire disclosure of which is incorporated herein by reference.
　本発明は、外観を構成するパネルを備え、当該パネルを振動させる電子機器に関する。 The present invention relates to an electronic device that includes a panel that forms an appearance and vibrates the panel.
　現在、電子機器の入力装置として、タッチパネルやタッチパッドなどが広く採用されている。そのような入力装置において、操作者がタッチパネルやタッチパッドなどを操作した際に、タッチパネルやタッチパッドを湾曲振動させることにより、操作者の指先などに操作感をフィードバックするものが提案されている（例えば、特許文献１参照）。 Currently, touch panels and touch pads are widely used as input devices for electronic devices. In such an input device, when an operator operates a touch panel, a touch pad, or the like, a device that feeds back a feeling of operation to an operator's fingertip by vibrating the touch panel or the touch pad is proposed ( For example, see Patent Document 1).
特開２０１０－４４４９７号公報JP 2010-44497 A
　ところで、特許文献１の電子機器では、機器への埃や水の侵入に対しては対策が講じられていない。このため、例えばタッチパネルとタッチパネルが固定される部材との間の隙間から埃や水分が侵入することが想定される。 By the way, in the electronic device of Patent Document 1, no measures are taken against the intrusion of dust and water into the device. For this reason, it is assumed that dust and moisture enter from a gap between the touch panel and a member to which the touch panel is fixed.
　上記の課題は、外観を構成するパネルを備え、当該パネルを振動させる電子機器においては共通して発生し得ると想定される課題である。パネルを振動させる他の電子機器としては、例えば所定の電気信号（音声信号）を印加することでパネルを振動させ、パネルに接触する利用者の体の一部（例えば外耳の軟骨）に振動が伝わることにより利用者に音を伝える電子機器がある。また、パネルを振動させる他の電子機器としては、パネルの振動によってパネルに付着した水滴や汚れを除去する機能を有する電子機器もある。 The above-mentioned problem is a problem that is expected to occur in common in an electronic device that includes a panel that configures the appearance and vibrates the panel. As other electronic devices that vibrate the panel, for example, a predetermined electrical signal (audio signal) is applied to vibrate the panel, and vibration is applied to a part of the user's body (for example, the cartilage of the outer ear) that contacts the panel. There are electronic devices that transmit sounds to users by being transmitted. As another electronic device that vibrates the panel, there is an electronic device having a function of removing water droplets and dirt attached to the panel due to the vibration of the panel.
　それゆえ、この発明の目的は、外観を構成するパネルを備え、当該パネルを振動させる電子機器につき、パネルの振動を阻害しにくくし、且つ防塵性、防水性を向上させることにある。 Therefore, it is an object of the present invention to provide a panel that constitutes the appearance of an electronic device that vibrates the panel, making it difficult to inhibit the vibration of the panel, and improving the dustproof and waterproof properties.
　本発明の第１の観点に係る電子機器は、パネルと、前記パネルを振動させる振動部と、前記パネルを、枠状の弾性部材を介して支持する支持部材と、を備えた電子機器であって、前記弾性部材は、孔を有するとともに当該孔に充填される熱収縮部材を有し、前記タッチパネルと前記弾性部材との間、及び当該弾性部材と前記支持部材との間に、防水性を備える接着部材が配設されていることを特徴とするものである。 An electronic apparatus according to a first aspect of the present invention is an electronic apparatus including a panel, a vibrating unit that vibrates the panel, and a support member that supports the panel via a frame-shaped elastic member. The elastic member has a hole and a heat shrink member filled in the hole, and is waterproof between the touch panel and the elastic member and between the elastic member and the support member. The adhesive member provided is arrange | positioned, It is characterized by the above-mentioned.
　本発明の第２の観点に係る電子機器は、パネルと、前記パネルを湾曲振動させる振動部と、前記パネルを、枠状の弾性部材を介して支持する支持部材と、を備えた電子機器であって、前記弾性部材は、孔を有し、前記パネルと前記弾性部材との間、及び当該弾性部材と前記支持部材との間に、防水性及びガス透過性を備える接着部材が配設されていることを特徴とするものである。 An electronic apparatus according to a second aspect of the present invention is an electronic apparatus including a panel, a vibration section that bends and vibrates the panel, and a support member that supports the panel via a frame-like elastic member. The elastic member has a hole, and an adhesive member having waterproofness and gas permeability is disposed between the panel and the elastic member and between the elastic member and the support member. It is characterized by that.
　本発明の第３の観点に係る電子機器の製造方法は、孔を有する枠状の弾性部材と、熱収縮部材と、防水性を有する接着部材とを用いてパネルを支持部材に取り付けるにあたり、前記孔に前記熱収縮部材を充填した後、前記パネルと前記弾性部材、及び当該弾性部材と前記支持部材とのそれぞれを、前記接着部材を介して接着し、その後、加熱環境下にて前記熱収縮部材を収縮させることを特徴とするものである。 In the electronic device manufacturing method according to the third aspect of the present invention, in attaching the panel to the support member using a frame-shaped elastic member having a hole, a heat-shrinkable member, and a waterproof adhesive member, After filling the hole with the heat-shrinkable member, the panel and the elastic member, and the elastic member and the support member are bonded to each other through the adhesive member, and then the heat-shrinkable under a heating environment. The member is contracted.
　本発明の第４の観点に係る電子機器の製造方法は、孔を有する枠状の弾性部材と、固体から気体に昇華する昇華部材と、防水性及びガス透過性を有する接着部材とを用いてパネルを支持部材に取り付けるにあたり、前記孔に前記昇華部材を充填した後、前記パネルと前記弾性部材、及び当該弾性部材と前記支持部材とのそれぞれを、前記接着部材を介して接着し、その後、圧力及び温度の少なくとも一方を変化させる昇華環境下にて前記昇華部材を昇華させることを特徴とするものである。 A method for manufacturing an electronic apparatus according to a fourth aspect of the present invention uses a frame-shaped elastic member having holes, a sublimation member that sublimates from a solid to a gas, and an adhesive member having waterproofness and gas permeability. In attaching the panel to the support member, after filling the hole with the sublimation member, the panel and the elastic member, and the elastic member and the support member are bonded to each other via the adhesive member, The sublimation member is sublimated in a sublimation environment in which at least one of pressure and temperature is changed.
　本発明によれば、外観を構成するパネルを備え、当該パネルを振動させる電子機器につき、パネルの振動を阻害しにくくし、且つ防塵性、防水性を向上させることができる。 According to the present invention, an electronic device that includes a panel that configures the appearance and vibrates the panel can be made difficult to inhibit the vibration of the panel, and can be improved in dust resistance and waterproofness.
本発明の一実施の形態に係る電子機器の全体を示す斜視図である。1 is a perspective view showing an entire electronic apparatus according to an embodiment of the present invention. 図１に示す電子機器から上部筐体を除いた平面図である。FIG. 2 is a plan view of the electronic device shown in FIG. 1 with an upper housing removed. 図２のＡ－Ａに沿う断面図であり、（ａ）は弾性部材の貫通孔に熱収縮部材が充填された状態を示す図であり、（ｂ）は加熱環境下にて熱収縮部材が伸縮した状態を示す図である。FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2, wherein (a) shows a state in which the heat shrinkable member is filled in the through hole of the elastic member, and (b) shows the heat shrinkable member in a heating environment. It is a figure which shows the state expanded / contracted. 図３に示す弾性部材の平面図である。It is a top view of the elastic member shown in FIG. 図３及び図７に示す接着部材の平面図である。It is a top view of the adhesive member shown in FIG.3 and FIG.7. 本発明の他の実施の形態に係る電子機器に関し、上部筐体を除いた平面図である。It is the top view except the upper housing | casing regarding the electronic device which concerns on other embodiment of this invention. 図６のＢ－Ｂに沿う断面図であり、（ａ）は弾性部材の貫通孔に昇華部材が充填された状態を示す図であり、（ｂ）は昇華環境下にて昇華部材が昇華した状態を示す図である。FIG. 7 is a cross-sectional view taken along the line BB in FIG. 6, (a) is a diagram showing a state in which the through hole of the elastic member is filled with a sublimation member, and (b) is a sublimation member sublimated in a sublimation environment. It is a figure which shows a state. 本発明の第３の実施形態に係る電子機器に用いられる弾性部材の平面図である。It is a top view of the elastic member used for the electronic device which concerns on the 3rd Embodiment of this invention. 本発明の第３の実施形態に係る電子機器に用いられる接着部材の平面図である。It is a top view of the adhesive member used for the electronic device which concerns on the 3rd Embodiment of this invention. （ａ）は、本発明の第３の実施形態に係る電子機器の正面図である。（ｂ）は、図１１（ａ）のｂ－ｂ線に沿った断面図である。(A) is a front view of the electronic device which concerns on the 3rd Embodiment of this invention. FIG. 11B is a sectional view taken along line bb in FIG. 本発明の第３の実施形態に係る電子機器の変形例を示す断面図である。It is sectional drawing which shows the modification of the electronic device which concerns on the 3rd Embodiment of this invention.
　以下、本発明の実施の形態について、図を参照して説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
　図１は、本発明の一実施の形態に係る電子機器の全体を示す斜視図である。本実施の形態に係る電子機器１は、外観上、上部筐体１１と、下部筐体１２と、タッチパネル２１とを備えている。なお、タッチパネル２１については後述する。 FIG. 1 is a perspective view showing an entire electronic apparatus according to an embodiment of the present invention. The electronic device 1 according to the present embodiment includes an upper housing 11, a lower housing 12, and a touch panel 21 in appearance. The touch panel 21 will be described later.
　上部筐体１１及び下部筐体１２は、両者が一体に組み合わさることにより、筐体１０を構成する。これら上部筐体１１と下部筐体１２との間は、これらが一体に組み合わされた状態においては、図示は省略するが例えばゴム製のパッキンを介した密閉構造にする等して、適当な防水および防塵の措置がなされている。上部筐体１１及び下部筐体１２は、例えば樹脂製のケースなどとして、ある程度の衝撃に耐えうる素材により構成するのが好適である。なお、以下の説明においては、上部筐体１１と下部筐体１２との組み合わせ構造については、詳細な説明を省略する。 The upper casing 11 and the lower casing 12 constitute the casing 10 by combining them together. Between the upper housing 11 and the lower housing 12, in the state where they are integrally combined, although not shown in the drawing, for example, a suitable waterproof structure is achieved by, for example, a sealed structure via rubber packing. And dust-proof measures are taken. The upper housing 11 and the lower housing 12 are preferably made of a material that can withstand a certain degree of impact, such as a resin case. In the following description, detailed description of the combined structure of the upper housing 11 and the lower housing 12 is omitted.
　図２は、図１に示す電子機器１につき、上部筐体１１を除いた平面図であり、図３（ａ）は、図２のＡ－Ａに沿う断面図であって、後述する弾性部材の貫通孔に熱収縮部材が充填された状態を示す図である。図示のようにタッチパネル２１は、弾性部材３０を介して下部筐体１２に支持されている。ここで、タッチパネル２１と表面及び裏面には、それぞれ接着部材４１が配設されていて、この接着部材４１によって、タッチパネル２１、弾性部材３０、及び下部筐体１２が結合している。 2 is a plan view of the electronic apparatus 1 shown in FIG. 1 with the upper housing 11 removed, and FIG. 3A is a cross-sectional view taken along the line AA in FIG. It is a figure which shows the state by which the heat contraction member was filled into the through-hole of this. As shown in the figure, the touch panel 21 is supported by the lower housing 12 via an elastic member 30. Here, an adhesive member 41 is disposed on the front surface and the back surface of the touch panel 21, and the touch panel 21, the elastic member 30, and the lower housing 12 are coupled by the adhesive member 41.
　本実施の形態においてタッチパネル２１は、例えば透明の樹脂材によって形成されている。図２に示す例で、タッチパネル２１は長方形状となっているが、正方形状であってもよい。本明細書において「長方形状」、「正方形状」とは、各辺が直線である場合に限らず、円弧である場合も含むものである。 In the present embodiment, the touch panel 21 is formed of, for example, a transparent resin material. In the example shown in FIG. 2, the touch panel 21 has a rectangular shape, but may have a square shape. In this specification, “rectangular shape” and “square shape” include not only a case where each side is a straight line but also a case where it is an arc.
　また本実施の形態においては、図２に示すように、２個の振動部２２が、タッチパネル２１の短辺側の近傍において、その短辺側の縁部２１ｂに沿う向きにほぼ並行に延在していて、例えば両面テープや接着剤等によってタッチパネル２１の裏面に固着されている。 In the present embodiment, as shown in FIG. 2, the two vibrating portions 22 extend substantially in parallel in the direction along the edge 21 b on the short side in the vicinity of the short side of the touch panel 21. For example, it is fixed to the back surface of the touch panel 21 with a double-sided tape, an adhesive, or the like.
　この振動部２２は、所定の振動パターンによる振動を発生させることにより、タッチパネル２１の操作領域２１ａに接触している接触物に対して触感を呈示する。本実施の形態において、振動部２２は、例えば圧電素子であって、例えば図３（ａ）に例示する回路基板５０上の制御部から供給される駆動信号に基づいて、長手方向に伸縮変位する。これにより、タッチパネル２１を、図１に矢印で示す向き、すなわち、長辺側よりも短辺側が大きく撓む向きに湾曲振動させることができる。 The vibration unit 22 presents a tactile sensation to the contact object that is in contact with the operation area 21a of the touch panel 21 by generating vibration according to a predetermined vibration pattern. In the present embodiment, the vibration unit 22 is, for example, a piezoelectric element, and is expanded and contracted in the longitudinal direction based on, for example, a drive signal supplied from a control unit on the circuit board 50 illustrated in FIG. . Thereby, the touch panel 21 can be curved and vibrated in a direction indicated by an arrow in FIG. 1, that is, a direction in which the short side is bent more greatly than the long side.
　タッチパネル２１は、例えば図３に例示する表示部６０の前面に配置して、表示部６０に表示したオブジェクトに対する操作者の指やスタイラスペン等（以下、単に「接触物」と総称する）による接触を、対応するタッチパネル２１の操作領域２１ａにおいて検出する。したがって、本実施の形態において、「タッチパネル」とは、例えばＬＣＤ等とすることができる表示部６０の前面に配置する、すなわち当該表示部６０とは別に設けられる部材を想定して説明する。また、タッチパネル２１は、操作領域２１ａに対する接触物の接触の位置を検出し、当該検出した接触の位置を、例えば上述した回路基板５０上の制御部に通知する。 The touch panel 21 is disposed on the front surface of the display unit 60 illustrated in FIG. 3, for example, and touches an object displayed on the display unit 60 with an operator's finger, a stylus pen, or the like (hereinafter simply referred to as “contact object”). Is detected in the operation area 21a of the corresponding touch panel 21. Therefore, in the present embodiment, the “touch panel” will be described assuming a member disposed on the front surface of the display unit 60 which can be an LCD or the like, that is, a member provided separately from the display unit 60. Further, the touch panel 21 detects the position of contact of the contact object with respect to the operation region 21a, and notifies the detected position of the contact to, for example, the control unit on the circuit board 50 described above.
　このタッチパネル２１は、例えば抵抗膜方式、静電容量方式、光学式等の公知の方式のもので構成されたタッチパネルを用いることができる。なお、タッチパネル２１が接触物による接触を検出する上で、接触物がタッチパネル２１に物理的に触れることは必須ではない。例えば、タッチパネル２１が光学式である場合は、タッチパネル２１は当該タッチパネル２１上の赤外線が接触物で遮られた位置を検出するため、接触物がタッチパネル２１に触れることは不要である。 The touch panel 21 may be a touch panel configured by a known system such as a resistance film system, a capacitance system, and an optical system. In addition, for the touch panel 21 to detect contact with a contact object, it is not essential that the contact object physically touch the touch panel 21. For example, when the touch panel 21 is an optical type, the touch panel 21 detects a position where infrared rays on the touch panel 21 are blocked by the contact object, and thus it is not necessary for the contact object to touch the touch panel 21.
　上述した表示部６０は、例えばキーのような押しボタンスイッチ（プッシュ式ボタンスイッチ）等のオブジェクトを画像で表示する。このオブジェクトは、タッチパネル２１の操作領域２１ａ上において接触すべき領域を操作者に示唆する画像である。また、押しボタンスイッチとは、操作者が入力の操作に用いるボタンやキー等（以下、単に「キー等」と総称する）である。この表示部６０は、例えば、液晶表示パネル（ＬＣＤ）や有機ＥＬ表示パネル等を用いて構成される。なお本明細書においては、表示関連の事項については、詳細な説明を省略する。 The display unit 60 described above displays an object such as a push button switch (push button switch) such as a key as an image. This object is an image that suggests to the operator an area to be touched on the operation area 21 a of the touch panel 21. The push button switch is a button, key, or the like (hereinafter, simply referred to as “key, etc.”) used by an operator for input operation. The display unit 60 is configured using, for example, a liquid crystal display panel (LCD), an organic EL display panel, or the like. In the present specification, detailed description of display-related matters is omitted.
　また弾性部材３０は、図４に例示するように、タッチパネル２１と略同一の外形となる枠状となっていて、各枠辺には、弾性部材３０の表裏面を貫通する複数の貫通孔３０ａが設けられている。図示の例で貫通孔３０ａは矩形状であるが、円状でも楕円状でもよく、その形状は適宜選定することができる。また図示の例では、貫通孔３０ａをタッチパネル２１の短辺側の縁部２１ｂに沿って３個、長辺側の縁部２１ｃに沿って４個設けた場合を示しているが、個数についても適宜選定することができる。そして弾性部材３０は、水は浸透させず、しかもある程度の弾性を有することが必要であって、このようなものとしては、例えばシリコーンゴムを挙げることができる。 Further, as illustrated in FIG. 4, the elastic member 30 has a frame shape that has substantially the same outer shape as the touch panel 21, and a plurality of through holes 30 a that penetrate the front and back surfaces of the elastic member 30 are provided on each side of the frame. Is provided. In the illustrated example, the through hole 30a is rectangular, but it may be circular or elliptical, and the shape can be selected as appropriate. In the illustrated example, three through holes 30a are provided along the short-side edge 21b of the touch panel 21 and four through-holes 30c are provided along the long-side edge 21c. It can be selected as appropriate. The elastic member 30 is required to have a certain degree of elasticity without allowing water to permeate. Examples of such an elastic member include silicone rubber.
　さらに図２、図３（ａ）に示す例では、弾性部材３０の各貫通孔３０ａに熱収縮部材３１が充填されている。本明細書において「熱収縮部材」とは、熱を加えることによって収縮し、加熱前の体積よりも加熱後の体積が減少する物性を持った部材を意味する。このようなものとしては、例えば、放射線架橋ポリオレフィン、放射線架橋ビニリデン、放射線架橋柔軟性フッ化ポリマー、放射線架橋フッ化エラストマー、放射線架橋エラストマー、二層構造放射線架橋ポリオレフィン、電子線架橋ポリオレフィン、弾性ネオプレン、フロロプラスチックテフロン、ポリテトラフルオロエチレン等を挙げることができる。 Further, in the example shown in FIG. 2 and FIG. 3A, the heat shrink member 31 is filled in each through hole 30 a of the elastic member 30. In the present specification, the term “heat-shrinkable member” means a member that has a physical property that shrinks when heat is applied and has a volume after heating that is less than the volume before heating. Examples of such materials include radiation-crosslinked polyolefin, radiation-crosslinked vinylidene, radiation-crosslinked flexible fluoropolymer, radiation-crosslinked fluorinated elastomer, radiation-crosslinked elastomer, two-layer structure radiation-crosslinked polyolefin, electron beam-crosslinked polyolefin, elastic neoprene, Examples include fluoroplastic Teflon and polytetrafluoroethylene.
　そして接着部材４１は、図５に示すように、弾性部材３０と略同形状の枠状となっている。接着部材４１は、防水性を有する両面粘着性の部材、例えば防水テープであって、このようなものとしては積水化学工業（株）のフォームテープ（＃５２０２ＷＰ）を挙げることができる。ここで、貫通孔３０ａに何も充填されていない弾性部材３０に接着部材４１を貼り付ける場合には、この貫通孔３０ａに接着部材４１が入り込む可能性、および入り込んだ接着部材４１同士がくっついてしわが発生する可能性がある。このため、タッチパネル２１と弾性部材３０とが十分に接着できず必要な接着強度が得られなかったり、接着部材４１の隙間から水が浸入したりする懸念が残されていた。本実施の形態においては、貫通孔３０ａに熱収縮部材３１が充填された状態で接着部材４１を貼り付けることで、貫通孔３０ａへの接着部材４１の入り込みや接着部材４１のしわの発生が起こりにくい。これにより、タッチパネル２１、弾性部材３０、及び下部筐体１２を、それらの全周に亘って封止することができるので、タッチパネル２１、弾性部材３０、及び下部筐体１２によって区画形成される閉鎖空間Ｓ内への水の浸入や埃の入り込みを低減することができる。また、タッチパネル２１が全周に亘って結合されるので、タッチパネル２１が電子機器１から剥離するリスクを低減できる。 And the adhesive member 41 has a frame shape substantially the same shape as the elastic member 30 as shown in FIG. The adhesive member 41 is a waterproof double-sided adhesive member, such as a waterproof tape, and examples thereof include Sekisui Chemical Co., Ltd. foam tape (# 5202WP). Here, when the adhesive member 41 is attached to the elastic member 30 in which nothing is filled in the through-hole 30a, the adhesive member 41 may enter the through-hole 30a, and the adhesive members 41 that have entered are stuck together. Wrinkles may occur. For this reason, there is a concern that the touch panel 21 and the elastic member 30 cannot be sufficiently bonded to each other, so that necessary adhesive strength cannot be obtained, or water enters from the gap between the bonding members 41. In the present embodiment, by adhering the adhesive member 41 in a state where the heat shrinkable member 31 is filled in the through hole 30a, the adhesive member 41 enters the through hole 30a and wrinkles of the adhesive member 41 occur. Hateful. Thereby, since the touch panel 21, the elastic member 30, and the lower housing | casing 12 can be sealed over those perimeters, the closure formed by the touch panel 21, the elastic member 30, and the lower housing | casing 12 is carried out. It is possible to reduce water intrusion and dust intrusion into the space S. Moreover, since the touch panel 21 is couple | bonded over a perimeter, the risk that the touch panel 21 peels from the electronic device 1 can be reduced.
　上記のように構成される本実施の形態における電子機器１は、熱収縮部材３１が充填された弾性部材３０、タッチパネル２１、及び下部筐体１２のそれぞれを接着部材４１で結合した後に、加熱環境下にて貫通孔３０ａ内の熱収縮部材３１を収縮させる。これにより、図３（ｂ）に示すように貫通孔３０ａ内に空隙ができて、タッチパネル２１の外周部を弾性部材３０で部分的に支持することができるので、湾曲振動させる際に十分な振幅を稼ぐことができる。なお加熱条件は、熱収縮部材３１の物性に合わせて選択される。 The electronic apparatus 1 according to the present embodiment configured as described above has the heating environment after the elastic member 30, the touch panel 21, and the lower housing 12 filled with the heat shrinkable member 31 are coupled by the adhesive member 41. The heat contraction member 31 in the through hole 30a is contracted below. As a result, as shown in FIG. 3B, a gap is formed in the through hole 30a, and the outer peripheral portion of the touch panel 21 can be partially supported by the elastic member 30. Can earn. The heating conditions are selected according to the physical properties of the heat shrinkable member 31.
　次に、本発明の他の実施の形態について、図を参照して説明する。 Next, another embodiment of the present invention will be described with reference to the drawings.
　図６は、図１に示す電子機器１につき、上部筐体１１を除いた平面図であり、図７（ａ）は、図６のＢ－Ｂに沿う断面図であって、上述した弾性部材の貫通孔に充填される熱収縮部材に代えて昇華部材が充填された状態を示す図である。なお本発明の他の実施の形態は、上述した実施の形態に対して、熱収縮部材３１を昇華部材３２に代えるとともに、接着部材４１を接着部材４２に代えたものであり、その他の部材は共通するため、説明は省略する。 6 is a plan view of the electronic apparatus 1 shown in FIG. 1 with the upper housing 11 removed, and FIG. 7A is a cross-sectional view taken along the line BB of FIG. It is a figure which shows the state filled with the sublimation member instead of the heat contraction member with which the through-hole of this is filled. In addition, in another embodiment of the present invention, the heat shrinkable member 31 is replaced with the sublimation member 32 and the adhesive member 41 is replaced with the adhesive member 42 with respect to the above-described embodiment. Since it is common, description is abbreviate | omitted.
　昇華部材３２は、図６、図７（ａ）に示すように、弾性部材３０の各貫通孔３０ａに充填される。本明細書において「昇華部材」とは、固体から気体に状態が変化（昇華）する物性を持った部材を意味する。このようなものとしては、例えば、ドライアイス、ヨウ素、ナフタレン、シュウ酸、パラジクロロベンゼン、サリチル酸、テレフタル酸等を挙げることができる。 The sublimation member 32 is filled in each through-hole 30a of the elastic member 30 as shown in FIGS. In this specification, the “sublimation member” means a member having physical properties that change (sublimate) from a solid to a gas. Examples of such materials include dry ice, iodine, naphthalene, oxalic acid, paradichlorobenzene, salicylic acid, terephthalic acid, and the like.
　そして接着部材４２は、図５に示すように、弾性部材３０と略同形状の枠状となっている。接着部材４２は、防水性及びガス透過性を有する両面粘着性の部材、例えば防水テープである。なお、上述した積水化学工業（株）のフォームテープ（＃５２０２ＷＰ）は、防水性の他、種々の物質に対するガス透過性も備えているので、本発明の他の実施の形態においても使用することができる。なお、接着部材４２のガス透過性は、採用する昇華部材３２に応じて、この昇華部材３２を透過させるものが選択される。接着部材４２についても、上述した接着部材４１と同様に、貫通孔３０ａの入り込みやしわの発生が起こりにくくなり、タッチパネル２１の剥離のリスクを低減できる。また、回路基板５０及び表示部６０に対する十分な防塵、防水効果を得ることができる。 The adhesive member 42 has a frame shape that is substantially the same shape as the elastic member 30 as shown in FIG. The adhesive member 42 is a double-sided adhesive member having waterproofness and gas permeability, for example, a waterproof tape. The above-mentioned foam tape (# 5202WP) of Sekisui Chemical Co., Ltd. has gas permeability to various substances in addition to waterproofness, so it should be used in other embodiments of the present invention. Can do. The gas permeability of the adhesive member 42 is selected so as to allow the sublimation member 32 to pass therethrough according to the sublimation member 32 employed. Similarly to the adhesive member 41 described above, the adhesive member 42 is less likely to enter the through hole 30a and wrinkle, and the risk of peeling of the touch panel 21 can be reduced. In addition, a sufficient dustproof and waterproof effect for the circuit board 50 and the display unit 60 can be obtained.
　上記のように構成される本発明の他の実施の形態に係る電子機器１は、昇華部材３２を充填した弾性部材３０、タッチパネル２１、及び下部筐体１２のそれぞれを接着部材４２で結合した後に、昇華環境下にて貫通孔３０ａ内の昇華部材３２を昇華させて接着部材４２を通して外部に放出させる。ここで、昇華環境下とは、選択される昇華部材３２が昇華する条件に応じて、圧力及び温度の少なくとも一方を変化させることを意味する。これにより、図７（ｂ）に示すように貫通孔３０ａ内に固体の昇華部材３２が残らない状態となり、タッチパネル２１の外周部を弾性部材３０で部分的に支持することができるので、湾曲振動させる際に十分な振幅を得ることができる。 In the electronic device 1 according to another embodiment of the present invention configured as described above, after the elastic member 30 filled with the sublimation member 32, the touch panel 21, and the lower housing 12 are coupled by the adhesive member 42. Then, the sublimation member 32 in the through hole 30a is sublimated in a sublimation environment, and is released to the outside through the adhesive member. Here, the sublimation environment means that at least one of the pressure and the temperature is changed in accordance with the condition under which the selected sublimation member 32 is sublimated. As a result, the solid sublimation member 32 does not remain in the through hole 30a as shown in FIG. 7B, and the outer peripheral portion of the touch panel 21 can be partially supported by the elastic member 30, so that the bending vibration In this case, a sufficient amplitude can be obtained.
　なお、本発明は、上記実施の形態にのみ限定されるものではなく、幾多の変形または変更が可能である。例えば、振動部２２は２個に限られず、所要の湾曲振動の振幅に応じて任意の個数とすることができる。
また、貫通孔３０ａに充填されるものは、上述した熱収縮部材３１や昇華部材３２に限られず、固体から液体に相転移する際に体積が減少し、電子機器１が通常使用される常温下では液体状態を維持する物質（例えば水）も使用することができる。他にも、充填時の体積に対して、環境状態の変化（温度、圧力等）や経時変化（例えば数日内の放置で変化する物質）によって、常温下で体積が減少したままになる各種の物質を選択することができる。 In addition, this invention is not limited only to the said embodiment, Many deformation | transformation or a change is possible. For example, the number of vibration units 22 is not limited to two, and can be any number according to the amplitude of the required bending vibration.
Further, what is filled in the through hole 30a is not limited to the heat shrinkable member 31 and the sublimation member 32 described above, and the volume decreases when the phase transitions from a solid to a liquid, and the electronic device 1 is normally used at room temperature. In this case, a substance that maintains a liquid state (for example, water) can be used. In addition to the volume at the time of filling, the volume remains reduced at room temperature due to changes in environmental conditions (temperature, pressure, etc.) and changes over time (for example, substances that change when left in a few days). A substance can be selected.
　そして、本実施の形態においては、上述した下部筐体１２が「支持部材」を構成するものであって、当該支持部材は、ディスプレイなどの表示部や制御部等を構成する基板などを含まないものとして説明した。しかしながら、本発明において、「支持部材」は下部筐体１２に限定されず、例えば、表示部６０、回路基板５０など、種々の部材を支持部材とすることもできる。 In the present embodiment, the lower housing 12 described above constitutes a “support member”, and the support member does not include a display portion such as a display, a substrate constituting a control portion, or the like. Explained as a thing. However, in the present invention, the “support member” is not limited to the lower housing 12, and various members such as the display unit 60 and the circuit board 50 can be used as the support members.
　また、本発明は、弾性部材３０、熱収縮部材３１、昇華部材３２、及び接着部材４１、４２を中心に特徴を有するものであり、その他の構成要素については、本明細書において説明した以外にも、種々の構成を採用することができる。例えば、上述した各実施の形態においては、タッチパネル２１の裏側に配置した表示部６０にオブジェクトを表示してタッチパネル２１が操作者の接触を検出する態様について説明した。しかしながら、本発明はこのような態様に限定されるものではなく、例えば表示部６０を有さずに、タッチパネルの操作領域２１ａ上にオブジェクトがインクなどにより直接印刷されているような態様を想定することもできる。 In addition, the present invention is characterized by the elastic member 30, the heat shrink member 31, the sublimation member 32, and the adhesive members 41 and 42, and the other constituent elements other than those described in the present specification. Also, various configurations can be adopted. For example, in each embodiment mentioned above, the aspect which displays an object on the display part 60 arrange | positioned on the back side of the touch panel 21, and the touch panel 21 detects an operator's contact was demonstrated. However, the present invention is not limited to such a mode, and for example, a mode in which the object is directly printed with ink or the like on the operation area 21a of the touch panel without the display unit 60 is assumed. You can also.
　そして、上記実施の形態では、タッチパネル２１を用いて、当該タッチパネル２１の操作領域２１ａに対する接触を検出した。すなわち、上記実施の形態において、「タッチパネル２１」は、いわゆるタッチセンサのような部材を想定して説明した。しかしながら、本発明による電子機器に用いるタッチパネルは、操作者の指やスタイラスペンなどの接触物により接触されるものであれば任意のものとすることができる。 And in the said embodiment, the contact with respect to the operation area | region 21a of the said touch panel 21 was detected using the touch panel 21. FIG. That is, in the above embodiment, the “touch panel 21” has been described assuming a member such as a so-called touch sensor. However, the touch panel used in the electronic device according to the present invention may be any as long as it can be touched by a contact object such as an operator's finger or a stylus pen.
　例えば、本発明による電子機器に用いるタッチパネルは、タッチ面に対する接触物の接触の位置を検出しない（つまりセンシング機能を有さない）、単なる「パネル」のような部材とすることもできる。このような構成の電子機器においては、例えば、タッチパネルに対する押圧を検出する押圧検出部をさらに設けることにより、押圧検出部が検出する押圧に基づいて、タッチパネルに対する接触がなされたものと判定することができる。 For example, the touch panel used in the electronic device according to the present invention may be a member such as a simple “panel” that does not detect the position of contact of the contact object with the touch surface (that is, does not have a sensing function). In the electronic device having such a configuration, for example, it is possible to determine that contact with the touch panel has been made based on the pressure detected by the pressure detection unit by further providing a pressure detection unit that detects pressure on the touch panel. it can.
　また、上記実施の形態では、タッチパネルを用いて、当該タッチパネルのタッチ面に対する接触を検出した。しかしながら、押圧検出部がタッチパネルに対する押圧を検出して、当該押圧に基づいて、タッチパネルに対する接触がなされたものと判定することもできる。 In the above embodiment, a touch panel is used to detect contact with the touch surface of the touch panel. However, it is also possible to determine that the touch detection unit detects a press on the touch panel and that the touch is made on the touch panel based on the press.
　上述のような押圧検出部は、タッチパネルのタッチ面に対する押圧を検出するもので、例えば、押圧に応じて物理的または電気的な特性（歪み、抵抗、電圧等）が変化する歪みゲージセンサや圧電素子等を任意の個数用いて構成することができる。また、振動部を圧電素子とした場合には、当該圧電素子を押圧検出部としても用いることができる。このような構成を採用して、押圧によるタッチパネルの歪みを検出することにより、当該歪みからタッチパネルに対する押圧を算出するなどの構成を想定することができる。 The above-described press detection unit detects a press on the touch surface of the touch panel. For example, a strain gauge sensor or a piezoelectric that changes physical or electrical characteristics (strain, resistance, voltage, etc.) according to the press. An arbitrary number of elements can be used. Further, when the vibration unit is a piezoelectric element, the piezoelectric element can also be used as a press detection unit. By adopting such a configuration and detecting the distortion of the touch panel due to the press, it is possible to assume a configuration in which the pressure on the touch panel is calculated from the distortion.
　例えば、押圧検出部が圧電素子等を用いて構成された場合、押圧検出部の圧電素子は、タッチパネルのタッチ面に対する押圧に係る荷重（力）の大きさ（または、荷重（力）の大きさが変化する速さ（加速度））に応じて、電気的な特性である電圧の大きさ（電圧値）が変化する。この場合、押圧検出部は、この電圧の大きさ（電圧値（以下、単にデータと称する））を制御部に通知することができる。制御部は、押圧検出部がデータを制御部に通知することにより、または、制御部が押圧検出部の圧電素子に係るデータを検出することにより、当該データを取得する。つまり、制御部は、タッチパネルのタッチ面に対する押圧に基づくデータを取得する。すなわち、制御部は、押圧検出部から押圧に基づくデータを取得する。そして、制御部は、押圧に基づくデータが所定の基準を満たした場合に、接触がなされたものと判定し、所定の振動を発生することができる。ここで、上記所定の基準は、表現したい押しボタンスイッチの押圧時の荷重特性に応じて適宜設定することができる。 For example, when the pressure detection unit is configured using a piezoelectric element or the like, the piezoelectric element of the pressure detection unit is a load (force) magnitude (or magnitude of the load (force) related to the pressure on the touch surface of the touch panel. The voltage magnitude (voltage value), which is an electrical characteristic, changes according to the speed (acceleration) at which the voltage changes. In this case, the pressure detection unit can notify the control unit of the magnitude of the voltage (voltage value (hereinafter simply referred to as data)). The control unit acquires the data when the press detection unit notifies the control unit of the data, or when the control unit detects data related to the piezoelectric element of the press detection unit. That is, a control part acquires the data based on the press with respect to the touch surface of a touchscreen. That is, a control part acquires the data based on a press from a press detection part. Then, when the data based on the press satisfies a predetermined standard, the control unit can determine that contact has been made and generate a predetermined vibration. Here, the predetermined reference can be set as appropriate according to the load characteristic when the push button switch is to be expressed.
　さらに、このような押圧検出部は、タッチパネルにおける接触検出方式に応じて構成することができる。例えば、抵抗膜方式の場合には、接触面積の大きさに応じた抵抗の大きさを、タッチパネルのタッチ面に対する押圧の荷重（力）に対応付けることにより、歪みゲージセンサや圧電素子等を用いることなく構成することができる。あるいは、静電容量方式の場合には、静電容量の大きさを、タッチパネルのタッチ面に対する押圧の荷重（力）に対応付けることにより、歪みゲージセンサや圧電素子等を用いることなく構成することができる。 Furthermore, such a pressure detection unit can be configured according to a contact detection method on the touch panel. For example, in the case of the resistance film method, a strain gauge sensor, a piezoelectric element, or the like is used by associating the magnitude of the resistance corresponding to the size of the contact area with the pressing load (force) on the touch surface of the touch panel. It can be configured without. Alternatively, in the case of the capacitance method, the capacitance can be configured without using a strain gauge sensor or a piezoelectric element by associating the size of the capacitance with a load (force) of pressing against the touch surface of the touch panel. it can.
　このような押圧検出部は、タッチパネルにおける接触検出方式に応じて各種の構成を想定することができる。例えば、抵抗膜方式の場合には、接触面積の大きさに応じた抵抗の大きさを、タッチパネルのタッチ面に対する押圧の荷重（力）に対応付けることにより、歪みゲージセンサや圧電素子等を用いることなく構成することができる。あるいは、静電容量方式の場合には、静電容量の大きさを、タッチパネルのタッチ面に対する押圧の荷重（力）に対応付けることにより、歪みゲージセンサや圧電素子等を用いることなく構成することができる。 Such a pressure detection unit can assume various configurations according to a contact detection method on the touch panel. For example, in the case of the resistance film method, a strain gauge sensor, a piezoelectric element, or the like is used by associating the magnitude of the resistance corresponding to the size of the contact area with the pressing load (force) on the touch surface of the touch panel. It can be configured without. Alternatively, in the case of the capacitance method, the capacitance can be configured without using a strain gauge sensor or a piezoelectric element by associating the size of the capacitance with a load (force) of pressing against the touch surface of the touch panel. it can.
　また、振動部は、任意の個数の圧電振動子を用いて構成したり、タッチパネルの全面に透明圧電素子を設けて構成したり、偏心モータを駆動信号の１周期で１回転させるようにして構成したり、することもできる。さらに、押圧検出部および振動部は、圧電素子を用いて構成する場合は、圧電素子を共用して押圧検出部兼振動部を構成することもできる。圧電素子は、圧力が加わると電圧を発生し、電圧が加えられると変形するためである。 Further, the vibration unit is configured by using an arbitrary number of piezoelectric vibrators, is configured by providing a transparent piezoelectric element on the entire surface of the touch panel, or configured to rotate the eccentric motor once in one cycle of the drive signal. You can also do it. Furthermore, when the pressure detection unit and the vibration unit are configured using a piezoelectric element, the pressure detection unit and the vibration unit may be configured by sharing the piezoelectric element. This is because the piezoelectric element generates a voltage when pressure is applied and deforms when the voltage is applied.
　また、上述したように、振動部は、押圧検出部も兼ねる圧電素子の電圧の大きさ（電圧値（データ））が所定の基準を満たした際に、当該圧電素子を駆動することにより振動を発生するようにもできる。ここで、圧電素子の電圧の大きさ（電圧値（データ））が所定の基準を満たした際とは、電圧値（データ）が所定の基準値に達した際であってもよいし、電圧値（データ）が所定の基準値を超えた際でもよいし、所定の基準値と等しい電圧値（データ）が検出された際でもよい。 Further, as described above, when the magnitude (voltage value (data)) of the voltage of the piezoelectric element that also serves as the pressure detection unit satisfies a predetermined standard, the vibration unit drives the piezoelectric element to generate vibration. It can also be generated. Here, when the voltage level (voltage value (data)) of the piezoelectric element satisfies a predetermined reference, the voltage value (data) may reach a predetermined reference value, It may be when the value (data) exceeds a predetermined reference value or when a voltage value (data) equal to the predetermined reference value is detected.
　上述した実施の形態においては、タッチパネルを表示部の上面に重ねて配置した構成を想定して説明した。本発明による電子機器は、このような構成にすることは必須ではなく、タッチパネルと表示部とを離間した構成にすることもできる。しかしながら、タッチパネルを表示部の上面に重ねて配置した構成とする方が、表示される画像と、操作入力が検出される領域および発生する振動との対応関係を、操作者に容易に認識させることができる。 In the above-described embodiment, the description has been made assuming the configuration in which the touch panel is arranged on the upper surface of the display unit. The electronic apparatus according to the present invention does not necessarily have such a configuration, and the touch panel and the display unit can be separated from each other. However, the configuration in which the touch panel is arranged so as to overlap the upper surface of the display unit allows the operator to easily recognize the correspondence between the displayed image, the region where the operation input is detected, and the generated vibration. Can do.
　また、本実施の形態の説明における表示部およびタッチパネルは、表示部と接触検出部との両機能を共通の基板に持たせる等により、一体化した装置によって構成されるようにしてもよい。このように表示部と接触検出部との両機能を一体化した装置の構成の一例としては、液晶パネルが有するマトリクス状配列の画素電極群に、フォトダイオード等の複数の光電変換素子を規則的に混在させたものを挙げることができる。この装置は、液晶パネル構造によって画像を表示する一方で、パネル表面の所望位置をタッチ入力するペンの先端で液晶表示用のバックライトの光を反射し、この反射光を周辺の光電変換素子が受光することによって、タッチ位置を検出することができる。 Further, the display unit and the touch panel in the description of the present embodiment may be configured by an integrated device, for example, by providing both functions of the display unit and the contact detection unit on a common substrate. As an example of the configuration of the device in which both functions of the display unit and the contact detection unit are integrated as described above, a plurality of photoelectric conversion elements such as photodiodes are regularly arranged in a matrix electrode array of pixel electrodes included in the liquid crystal panel. Can be mentioned. This device displays an image with a liquid crystal panel structure, while reflecting the light of a backlight for liquid crystal display at the tip of a pen that touches and inputs a desired position on the surface of the panel. The reflected light is reflected by peripheral photoelectric conversion elements. The touch position can be detected by receiving the light.
　なお、振動部２２は、振動モータ（偏心モータ）などに基づいて電子機器を振動させることにより、タッチパネルを間接的に振動させるように構成してもよい。 The vibration unit 22 may be configured to indirectly vibrate the touch panel by vibrating the electronic device based on a vibration motor (eccentric motor) or the like.
　また、上述した各実施の形態においては、弾性部材３０の孔として、弾性部材３０の裏表面を貫通する貫通孔３０ａについて説明した。しかしながら、本発明はこのような態様に限定されるものではなく、弾性部材の孔は、弾性部材３０を最後まで貫通せずに何れか一方の面から他方の面に向けて凹状となる溝であってもよい。 Moreover, in each embodiment mentioned above, the through-hole 30a which penetrates the back surface of the elastic member 30 as a hole of the elastic member 30 was demonstrated. However, the present invention is not limited to such an embodiment, and the hole of the elastic member is a groove that is concave from one surface to the other surface without penetrating the elastic member 30 to the end. There may be.
　また、上記実施形態では、センシング機能を有するタッチパネルを備え、操作感をフィードバックする携帯電話端末を挙げたが、本発明はこれに限定されない。以下、本発明の第３の実施形態に係る電子機器について説明する。 In the above embodiment, a mobile phone terminal that includes a touch panel having a sensing function and feeds back a feeling of operation has been described. However, the present invention is not limited to this. Hereinafter, an electronic apparatus according to the third embodiment of the present invention will be described.
　例えば、本発明に係る電子機器は、タッチパネルや表示部を保護するカバーパネル等のパネルに貼り付けられた圧電素子に所定の音声信号に応じた電気信号を印加することで、パネルに振動を発生させる電子機器でもよい。このような電子機器は、当該振動させたパネルに、利用者の体の一部（例えば外耳の軟骨）を接触させても、利用者に対して音を伝えることができる。 For example, the electronic device according to the present invention generates vibration on a panel by applying an electrical signal corresponding to a predetermined audio signal to a piezoelectric element attached to a panel such as a touch panel or a cover panel that protects a display unit. It may be an electronic device. Such an electronic device can transmit sound to the user even when a part of the user's body (for example, cartilage of the outer ear) is brought into contact with the vibrated panel.
　以下に述べる携帯電話機１００は、本発明の第３の実施形態に係る電子機器の例として挙げたものであるから、図に示す構成に限定されない。携帯電話機１００の構成は、本発明を適用するのに支障がない範囲内で適宜変更され得る。 The cellular phone 100 described below is given as an example of the electronic apparatus according to the third embodiment of the present invention, and is not limited to the configuration shown in the figure. The configuration of the mobile phone 100 can be appropriately changed within a range that does not hinder the application of the present invention.
　図８は、本発明の第３の実施形態に係る電子機器に配置される弾性部材１６０を示す図である。弾性部材１６０は、図４に示す弾性部材３０と同様に、パネル１２０と略同一の外形を有する枠状の部材である。枠の各辺には、弾性部材１６０の表裏面を貫通する複数の貫通孔１６０ａが形成されている。図８において、貫通孔１６０ａは矩形状であるが、円状でも楕円状でもよく、その形状は適宜変更され得る。また、弾性部材１６０に形成される貫通孔１６０ａの数は図８に示す数に限られない。弾性部材１６０は、第１の実施形態と同様に、防水性を有する材質、例えばシリコーンゴムで形成される。後述するように、弾性部材１６０に形成される貫通孔１６０ａには、熱収縮部材１６１が充填される。 FIG. 8 is a view showing an elastic member 160 arranged in an electronic apparatus according to the third embodiment of the present invention. The elastic member 160 is a frame-like member having substantially the same outer shape as the panel 120, like the elastic member 30 shown in FIG. A plurality of through holes 160 a penetrating the front and back surfaces of the elastic member 160 are formed on each side of the frame. In FIG. 8, the through-hole 160a is rectangular, but it may be circular or elliptical, and the shape can be changed as appropriate. Further, the number of through holes 160a formed in the elastic member 160 is not limited to the number shown in FIG. The elastic member 160 is formed of a waterproof material, for example, silicone rubber, as in the first embodiment. As will be described later, the heat shrink member 161 is filled in the through hole 160 a formed in the elastic member 160.
　図９は、本発明の第３の実施形態に係る電子機器に配置される接着部材１７０を示す図である。接着部材１７０は、図５に示す接着部材４１と同様に、パネル１２０と略同一の外形を有する枠状の部材である。接着部材１７０は、弾性部材と略同形状である。接着部材１７０は、接着部材４１と同様に、例えば、防水性を有する両面テープである。 FIG. 9 is a view showing an adhesive member 170 arranged in an electronic apparatus according to the third embodiment of the present invention. The adhesive member 170 is a frame-like member having substantially the same outer shape as the panel 120, like the adhesive member 41 shown in FIG. The adhesive member 170 has substantially the same shape as the elastic member. Similar to the adhesive member 41, the adhesive member 170 is, for example, a double-sided tape having waterproofness.
　図１０は、本発明の第３の実施形態に係る電子機器を示す図である。図１０（ａ）は正面図、図１０（ｂ）は図１０（ａ）におけるｂ－ｂ線に沿った断面図である。図１０（ａ）は、図６と同様に、筺体１１０の上部筺体１１０ａを除いた平面図である。 FIG. 10 is a diagram showing an electronic apparatus according to the third embodiment of the present invention. 10A is a front view, and FIG. 10B is a cross-sectional view taken along the line bb in FIG. 10A. FIG. 10A is a plan view of the casing 110 excluding the upper casing 110a, as in FIG.
　図１０に示すように、本発明の第３の実施形態に係る電子機器としての携帯電話機１００は、筺体１１０と、パネル１２０と、表示部１３０と、圧電素子１４０と、接合部材１５０と、弾性部材１６０と、接着部材１７０とを備える。圧電素子１４０は、接合部材１５０によりパネル１２０に接着されている。また、パネル１２０は、弾性部材１６０により下部筺体１１０ｂに対して支持されている。パネル１２０と弾性部材１６０とは、接着部材１７０により接着される。そして、弾性部材１６０と下部筺体１１０ｂとは、接着部材１７０により接着される。 As shown in FIG. 10, a mobile phone 100 as an electronic apparatus according to the third embodiment of the present invention includes a housing 110, a panel 120, a display unit 130, a piezoelectric element 140, a joining member 150, an elastic member. A member 160 and an adhesive member 170 are provided. The piezoelectric element 140 is bonded to the panel 120 with a bonding member 150. The panel 120 is supported by the elastic member 160 with respect to the lower housing 110b. The panel 120 and the elastic member 160 are bonded by an adhesive member 170. Then, the elastic member 160 and the lower housing 110b are bonded by the bonding member 170.
　パネル１２０、表示部１３０および圧電素子１４０は、それぞれ略長方形状である。圧電素子１４０における接合部材１５０との接触領域は、圧電素子の一方側主面のほぼ全面であってもよい。この場合、例えば圧電素子の両端だけを圧電素子における接合部材との接触領域とした場合に比較して、圧電素子１４０における振動が、効率よくパネル１２０に伝達され、パネル１２０を人体に接触させても減衰してしまわない十分な強度で、パネル１２０を湾曲振動させることができる。 Panel 120, display unit 130, and piezoelectric element 140 are each substantially rectangular. The contact area of the piezoelectric element 140 with the bonding member 150 may be substantially the entire main surface on one side of the piezoelectric element. In this case, for example, compared with a case where only both ends of the piezoelectric element are used as contact regions with the bonding member in the piezoelectric element, vibrations in the piezoelectric element 140 are efficiently transmitted to the panel 120 and the panel 120 is brought into contact with the human body. The panel 120 can be curved and vibrated with sufficient strength so as not to be attenuated.
　図１０（ａ）に示すように、表示部１３０は、パネル１２０の短手方向におけるほぼ中央に配置される。圧電素子１４０は、パネル１２０の長手方向の端部から所定の距離だけ離間して、当該端部の近傍に、圧電素子１４０の長手方向がパネル１２０の短辺に沿うように配置される。表示部１３０と圧電素子１４０とは、パネル１２０の内部側の面に平行な方向において並んで配置される。例えばパネル１２０と表示部１３０とが重畳しない構成である場合、圧電素子１４０は、パネル１２０の中央に配設されてもよい。圧電素子１４０がパネル１２０の中央に配設された場合、圧電素子１４０の振動がパネル１２０全体に均等に伝わり、利用者が耳をパネル１２０の様々な位置に接触させた場合でも音声を認識することができる。尚、上述の実施形態と同様に、圧電素子は複数個搭載してもよい。 As shown in FIG. 10A, the display unit 130 is disposed substantially at the center of the panel 120 in the short direction. The piezoelectric element 140 is disposed at a predetermined distance from an end portion in the longitudinal direction of the panel 120, and is disposed in the vicinity of the end portion so that the longitudinal direction of the piezoelectric element 140 is along the short side of the panel 120. The display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. For example, when the panel 120 and the display unit 130 are configured not to overlap each other, the piezoelectric element 140 may be disposed at the center of the panel 120. When the piezoelectric element 140 is disposed at the center of the panel 120, the vibration of the piezoelectric element 140 is evenly transmitted to the entire panel 120, and even when the user touches the ear to various positions of the panel 120, the voice is recognized. be able to. Similar to the above-described embodiment, a plurality of piezoelectric elements may be mounted.
　図１０に示すように、筺体１１０は、上部筺体１１０ａと下部筺体１１０ｂとを有する。硬部１１０ａは、例えば樹脂等の材料で形成されている。 As shown in FIG. 10, the casing 110 has an upper casing 110a and a lower casing 110b. The hard part 110a is made of a material such as resin, for example.
　パネル１２０は、例えばタッチパネルの場合、タッチパネルに対する指、ペン、又はスタイラスペン等の接触を検出する。タッチパネルの検出方式は、静電容量方式、抵抗膜方式、表面弾性波方式（又は超音波方式）、赤外線方式、電磁誘導方式、及び荷重検出方式等の任意の方式でよい。パネル１２０は、表示部１３０を保護するための保護パネルでもよい。またパネル１２０の材質は、例えばガラスや合成樹脂からなり、板状体からなればよい。 For example, in the case of a touch panel, the panel 120 detects contact of a finger, a pen, a stylus pen, or the like with respect to the touch panel. The touch panel detection method may be any method such as a capacitance method, a resistance film method, a surface acoustic wave method (or an ultrasonic method), an infrared method, an electromagnetic induction method, and a load detection method. The panel 120 may be a protective panel for protecting the display unit 130. The material of the panel 120 is made of, for example, glass or synthetic resin, and may be a plate-like body.
　表示部１３０は、液晶ディスプレイ、有機ＥＬディスプレイ、又は無機ＥＬディスプレイ等の表示デバイスである。 The display unit 130 is a display device such as a liquid crystal display, an organic EL display, or an inorganic EL display.
　圧電素子１４０は、電圧を印加することで、構成材料の電気機械結合係数に従い伸縮する素子である。圧電素子１４０は、ユニモルフ、バイモルフまたは積層型圧電素子であってよい。積層型圧電素子には、バイモルフを積層した（例えば１６層または２４層積層した）積層型バイモルフ素子が含まれる。積層型の圧電素子の場合、例えばPZT（チタン酸ジルコン酸鉛）からなる複数の誘電体層と、該誘電体層間に配置された電極層との積層構造体から構成される。 The piezoelectric element 140 is an element that expands and contracts according to the electromechanical coupling coefficient of the constituent material when a voltage is applied. The piezoelectric element 140 may be a unimorph, bimorph, or multilayer piezoelectric element. The stacked piezoelectric element includes a stacked bimorph element in which bimorphs are stacked (for example, 16 layers or 24 layers are stacked). In the case of a laminated piezoelectric element, it is composed of a laminated structure of a plurality of dielectric layers made of, for example, PZT (lead zirconate titanate) and electrode layers arranged between the dielectric layers.
　接合部材１５０は、熱硬化性あるいは紫外線硬化性等を有する接着剤や両面テープ等である。例えば無色透明のアクリル系紫外線硬化型接着剤である光学弾性樹脂でもよい。 The bonding member 150 is an adhesive or double-sided tape having thermosetting property or ultraviolet curable property. For example, an optical elastic resin which is a colorless and transparent acrylic ultraviolet curable adhesive may be used.
　第１弾性部材１６０は、ＰＥＴ（ポリエチレンテレフタレート）などの可撓性材料製であり、十分に薄いため若干の伸縮も可能である。また、第１弾性部材１６０は、枠形状をなし、パネル１２０の底面に、パネル１２０の底面外縁の全周にわたり連続または断続して、貼着されている。 The first elastic member 160 is made of a flexible material such as PET (polyethylene terephthalate) and is sufficiently thin so that it can be slightly expanded and contracted. The first elastic member 160 has a frame shape, and is continuously or intermittently attached to the bottom surface of the panel 120 over the entire circumference of the outer edge of the bottom surface of the panel 120.
　弾性部材１６０は、パネル１２０と略同一の外形を有する枠形状の部材である。弾性部材１６０の各枠辺には、第１の実施形態と同様に、貫通孔１６０ａが形成されている。そして、弾性部材１６０の貫通孔１６０ａには、熱収縮部材１６１が充填されている。 The elastic member 160 is a frame-shaped member having substantially the same outer shape as the panel 120. A through hole 160a is formed in each frame side of the elastic member 160 as in the first embodiment. The through-hole 160a of the elastic member 160 is filled with a heat shrink member 161.
　接着部材１７０は、弾性部材１６０と略同形状の枠形状の部材である。接着部材１７０は、例えば防水性を有する両面テープである。接着部材１７０は、パネル１２０の筺体内部側の面と弾性部材１６０との間、および弾性部材１６０と下部筺体１１０ｂとの間にそれぞれ設けられる。パネル１２０は、弾性部材１６０により下部筺体１１０ｂに対して支持されている。パネル１２０と弾性部材１６０とは、接着部材１７０により接着される。そして、弾性部材１６０と下部筺体１１０ｂとは、接着部材１７０により接着される。 The adhesive member 170 is a frame-shaped member that is substantially the same shape as the elastic member 160. The adhesive member 170 is a double-sided tape having waterproofness, for example. The adhesive member 170 is provided between the surface of the panel 120 inside the housing and the elastic member 160, and between the elastic member 160 and the lower housing 110b. The panel 120 is supported by the elastic member 160 with respect to the lower casing 110b. The panel 120 and the elastic member 160 are bonded by an adhesive member 170. Then, the elastic member 160 and the lower housing 110b are bonded by the bonding member 170.
　図１０に示すように、上記の携帯電話機１００によれば、パネル１２０の外周部が、いずれも防水性を有する弾性部材１６０および接着部材１７０により下部筺体１１０ｂに固定される。この構成により、携帯電話機１００の防水性および防塵性が向上する。さらに、この構成により、パネル１２０は、振動の減衰を生じにくい。 As shown in FIG. 10, according to the mobile phone 100 described above, the outer peripheral portion of the panel 120 is fixed to the lower casing 110b by the elastic member 160 and the adhesive member 170, both having waterproofness. With this configuration, the waterproofness and dustproofness of the mobile phone 100 are improved. Furthermore, this configuration makes it difficult for the panel 120 to attenuate vibrations.
　また、弾性部材１６０の貫通孔１６０ａに熱収縮部材１６１が充填された状態で接着部材１７０を貼り付けることで、貫通孔１６０ａへの接着部材１７０の入り込みや接着部材１７０のしわの発生が起こりにくい。 Further, by sticking the adhesive member 170 in a state where the heat shrink member 161 is filled in the through-hole 160a of the elastic member 160, the adhesive member 170 does not enter the through-hole 160a and the wrinkle of the adhesive member 170 does not easily occur. .
　以上の構成を有する携帯電話機１００は、圧電素子１４０の伸縮に起因して振動するパネル１２０に利用者の体の一部が接触しても利用者に対して音を伝えることができる。 The cellular phone 100 having the above configuration can transmit sound to the user even if a part of the user's body comes into contact with the panel 120 that vibrates due to the expansion and contraction of the piezoelectric element 140.
　圧電素子１４０は、例えば不図示の制御部から出力される電気信号に基づいて長手方向に伸縮（湾曲）する。圧電素子１４０は接合部材１５０によりパネル１２０に貼り付けられているため、パネル１２０は圧電素子１４０の伸縮に伴って振動する。パネル１２０は、圧電素子１４０が取り付けられた取付領域だけでなく、取付領域から離れた領域も振動する。パネル１２０は、ある瞬間において、振動の振幅が相対的に大きい部分と振動の振幅が相対的に小さい部分とがパネル全体にランダムに分布した振動をする。即ちパネル全域にわたって、複数の波の振動が検出される。 The piezoelectric element 140 expands and contracts (curves) in the longitudinal direction based on, for example, an electric signal output from a control unit (not shown). Since the piezoelectric element 140 is attached to the panel 120 by the bonding member 150, the panel 120 vibrates as the piezoelectric element 140 expands and contracts. The panel 120 vibrates not only in the attachment region to which the piezoelectric element 140 is attached, but also in a region away from the attachment region. At a certain moment, the panel 120 vibrates in such a manner that a portion having a relatively large vibration amplitude and a portion having a relatively small vibration amplitude are randomly distributed throughout the panel. That is, vibrations of a plurality of waves are detected over the entire panel.
　上記の携帯電話機１００は、圧電素子に所定の電気信号（音声信号）を印加することで、タッチパネルや表示部を保護するカバーパネル等のパネルに振動を発生させ、当該振動させたパネルに、利用者の体の一部（例えば外耳の軟骨）を接触させることにより、利用者に対して音を伝えることができる。 The mobile phone 100 generates a vibration in a panel such as a cover panel that protects the touch panel or the display unit by applying a predetermined electrical signal (audio signal) to the piezoelectric element, and is used for the panel that has been vibrated. A sound can be transmitted to the user by contacting a part of the person's body (for example, cartilage of the outer ear).
　上記の携帯電話機１００のパネルによる出力音は、通話相手の音声または着信メロディもしくは音楽を含む楽曲等であることが想定される。楽曲は、内部メモリに記憶された音楽データに基づいて再生されるものでもよいし、外部サーバ等に記憶されている音楽データがネットワークを介して再生されるものであってもよい。 It is assumed that the output sound from the panel of the mobile phone 100 is the voice of the other party, the incoming melody or music including music. The music may be played based on music data stored in an internal memory, or music data stored in an external server or the like may be played back via a network.
　圧電素子の伸縮に起因するパネルの振動に基づいて音を出力する場合、高音域に比べて低音域が聞こえにくいことが多い。そのため、低音域のみを増幅するようアンプを制御してよい。 When outputting sound based on panel vibration caused by expansion and contraction of piezoelectric elements, it is often difficult to hear the low range compared to the high range. Therefore, the amplifier may be controlled to amplify only the low sound range.
　パネルの振動により利用者に音を伝える場合、別途ダイナミックスピーカを備える必要がなければ、音声伝達のための開口部（放音口）を筐体に形成する必要がなく、電子機器の防水・防塵構造が簡素化できる。尚、ダイナミックスピーカを別途備えてもよい。この場合、ダイナミックスピーカの放音口は、気体は通すが液体は通さない防水シート、例えばゴアテックス（商標）等により閉鎖されるとよい。 When transmitting sound to the user by vibration of the panel, if it is not necessary to provide a separate dynamic speaker, it is not necessary to form an opening (sound outlet) for sound transmission in the housing, and waterproof and dustproof electronic equipment The structure can be simplified. A dynamic speaker may be provided separately. In this case, the sound outlet of the dynamic speaker may be closed by a waterproof sheet that allows gas to pass but not liquid, such as Gore-Tex (trademark).
　圧電素子は、パネルにおける圧電素子が取り付けられた取付領域だけでなく、パネルにおける当該取付領域から離れた領域も振動させる。そのため、利用者は、パネルの任意の位置に耳を接触させて音を聞くことができる。ここで、利用者の耳よりも広い面積を有するパネルを採用することで、利用者は、利用者の耳とほぼ同じ大きさあるいは利用者の耳よりも大きな大きさのパネルを備える電子機器を、耳全体が覆われるように接触させることで、周囲音（ノイズ）が外耳道に入ることを低減しつつ、電子機器から出力される音を聞くことができる。パネルは、耳輪から耳珠および対耳珠までの間の距離に相当する長さと、耳輪脚から対耳輪までの間の距離に相当する幅とを有する領域よりも広い領域が振動すればよい。平均的な耳の大きさは、例えば日本人であれば、社団法人　人間生活工学研究センター（ＨＱＬ）作成の日本人の人体寸法データベース（１９９２－１９９４）等を参照すれば知ることができる。尚、概ね、日本人の耳の大きさを目安にパネルを作製すれば、外国人にも適用可能と考えられる。 Piezoelectric element vibrates not only the attachment area of the panel where the piezoelectric element is attached, but also the area away from the attachment area of the panel. Therefore, the user can hear the sound by touching the ear to an arbitrary position on the panel. Here, by adopting a panel having a larger area than the user's ear, the user can connect an electronic device including a panel having a panel approximately the same size as the user's ear or larger than the user's ear. By making contact so that the entirety is covered, it is possible to hear the sound output from the electronic device while reducing ambient sound (noise) from entering the ear canal. The panel may oscillate in a region wider than a region having a length corresponding to the distance from the earring to the tragus and the antitragus and a width corresponding to the distance from the earring leg to the antitragus. The average ear size can be found, for example, by referring to the Japanese human body size database (1992-1994) created by the Human Life Engineering Research Center (HQL). In general, if a panel is made with the size of Japanese ears as a guide, it can be applied to foreigners.
　上記の携帯電話機１００は、利用者の体の一部（例えば外耳の軟骨）を介して振動によって利用者に音を伝えることができるものであるため、ダイナミックスピーカと比較して空気の振動により周囲へ伝わる音が少ない。したがって、例えば録音されたメッセージを電車内等で聞く場合に適している。 The mobile phone 100 described above can transmit sound to the user by vibration through a part of the user's body (for example, cartilage of the outer ear). There is little sound transmitted to. Therefore, it is suitable for listening to a recorded message on a train or the like.
　また、上記の携帯電話機１００は、パネル１２０の振動によって音を伝えるため、例えば利用者がイヤホンまたはヘッドホンを身につけていても、それらに電子機器を接触させることで、利用者はイヤホンまたはヘッドホンおよび体の一部を介して音を聞くことができる。 In addition, since the mobile phone 100 transmits sound by the vibration of the panel 120, for example, even if the user wears an earphone or a headphone, the user can contact the electronic device with the earphone or the headphone. You can hear sound through your body part.
　また、上記の携帯電話機１００においては、表示部１３０と圧電素子１４０とは、パネル１２０の内部側の面に平行な方向において並んで配置される。表示部１３０がパネル１２０に取り付けられていることで、パネル１２０の下部（図１０において下側）の剛性が上がり、圧電素子１４０が貼り付けられたパネル１２０の上部（図１０において上側）の振動をパネル１２０の下部に比して大きく振動させることが可能となる。そのため、パネル１２０の振動を利用者に効率よく伝えることが可能となる。 Further, in the mobile phone 100 described above, the display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. Since the display unit 130 is attached to the panel 120, the rigidity of the lower part of the panel 120 (lower side in FIG. 10) is increased, and the vibration of the upper part of the panel 120 to which the piezoelectric element 140 is attached (upper side in FIG. 10). Can be vibrated greatly as compared with the lower part of the panel 120. Therefore, it is possible to efficiently transmit the vibration of the panel 120 to the user.
　尚、このように振動しているパネルを人体に接触させて音を伝えようとする場合、圧電素子に印加される電圧は、通常の所謂パネルスピーカに搭載される圧電素子に印加される電圧よりも高く設定するとよい。これは、パネルの筺体に対する支持構造が大きく異なることに起因する。例えば、日本国特許公開公報：特開２０１０－１１４８６６に開示されたパネルスピーカの場合、パネル自体は大きく変形せず、パネルの板厚方向に、パネル全体が一体として平行移動をするように、長手方向の両端で筺体に、フィルム状部材や伸び縮み可能なゴム部材、スプリング部材等により支持される。これに対して、上記の携帯電話機１００は、パネル１２０の外周部全体が弾性部材１６０および接着部材１７０により筺体１１０に支持される構造である。すなわち、携帯電話機１００のパネル１２０は、上記文献に記載されたパネルスピーカのパネルに比して、筺体に対して強固に固定されている。即ち、パネル１２０の全周を支持する弾性部材１６０および接着部材１７０は、パネル１２０が上記の所謂パネルスピーカのパネルと同様の振動（パネル全体の平行移動）をしないような材料が適宜選択される。接着部材１７０は、例えば、積水化学工業（株）のフォームテープ（＃５２０２ＷＰ）であってよい。 In addition, when transmitting a sound by bringing the vibrating panel into contact with the human body, the voltage applied to the piezoelectric element is higher than the voltage applied to the piezoelectric element mounted on a normal so-called panel speaker. Should be set higher. This is due to the fact that the support structure for the panel housing is greatly different. For example, in the case of the panel speaker disclosed in Japanese Patent Publication No. 2010-1114866, the panel itself is not greatly deformed, and the entire panel is moved in parallel in the thickness direction of the panel. It is supported on the housing at both ends in the direction by a film-like member, a stretchable rubber member, a spring member, or the like. On the other hand, the mobile phone 100 has a structure in which the entire outer periphery of the panel 120 is supported by the casing 110 by the elastic member 160 and the adhesive member 170. That is, the panel 120 of the mobile phone 100 is firmly fixed to the housing as compared with the panel speaker panel described in the above document. That is, the elastic member 160 and the adhesive member 170 that support the entire circumference of the panel 120 are appropriately selected from materials that do not cause the panel 120 to vibrate in the same manner as the panel of the so-called panel speaker (parallel movement of the entire panel). . The adhesive member 170 may be, for example, a foam tape (# 5202WP) manufactured by Sekisui Chemical Co., Ltd.
　以上、携帯電話機１００について説明したが、当該携帯電話機１００は、上述した構成に限られることなく、構成に関して種々の変更が可能である。本発明の第３の実施形態に係る電子機器の変形例を示す図である。図１１は図１０（ｂ）と同じ方向から視た断面図である。 The mobile phone 100 has been described above, but the mobile phone 100 is not limited to the above-described configuration, and various changes can be made regarding the configuration. It is a figure which shows the modification of the electronic device which concerns on the 3rd Embodiment of this invention. FIG. 11 is a cross-sectional view seen from the same direction as FIG.
　図１１に示すように、圧電素子１４０とパネル１２０との間には、中間部材１８０が配置されてもよい。この場合、圧電素子１４０と中間部材１８０とが接合部材１５０により接着され、さらに中間部材１８０とパネル１２０とが接合部材１５０で接着される構造であってもよい。接合部材１５０は、上記した各種接着剤または両面テープであってよい。 As shown in FIG. 11, an intermediate member 180 may be disposed between the piezoelectric element 140 and the panel 120. In this case, the piezoelectric element 140 and the intermediate member 180 may be bonded by the bonding member 150, and the intermediate member 180 and the panel 120 may be bonded by the bonding member 150. The joining member 150 may be the above-described various adhesives or double-sided tape.
　中間部材１８０は、例えば樹脂製の板、板金またはガラス繊維を含む樹脂製の板である。圧電素子１４０とパネル１２０との間に中間部材１８０を配置することで、例えばパネル１２０に外力が加わった場合に、その外力が圧電素子に伝達され圧電素子が破損する可能性を低減することができる。また、圧電素子１４０とパネル１２０との間に中間部材１８０を配置することで、パネル１２０の共振周波数が下がり、低周波帯域の音響特性が向上する。尚、中間部材１８０に換えて、板状の錘を接合部材１５０により圧電素子１４０に取り付けてもよい。これにより、人体にパネルを強く接触させても、パネルの振動が減衰しにくくできる。 The intermediate member 180 is, for example, a resin plate, a sheet metal, or a resin plate including glass fiber. By disposing the intermediate member 180 between the piezoelectric element 140 and the panel 120, for example, when an external force is applied to the panel 120, the possibility that the external force is transmitted to the piezoelectric element and the piezoelectric element is damaged can be reduced. it can. Further, by disposing the intermediate member 180 between the piezoelectric element 140 and the panel 120, the resonance frequency of the panel 120 is lowered and the acoustic characteristics in the low frequency band are improved. Instead of the intermediate member 180, a plate-like weight may be attached to the piezoelectric element 140 by the joining member 150. Thereby, even if the panel is brought into strong contact with the human body, the vibration of the panel can be hardly attenuated.
　また、上記の携帯電話機１００においては、圧電素子はパネルに貼り付けられているが、パネルと異なる場所に取り付けられてもよい。例えば、圧電素子は、筺体に取り付けられてバッテリを覆うバッテリリッドに貼り付けられてもよい。バッテリリッドは携帯電話機においてパネルと異なる面に取り付けられることが多いため、そのような構成によれば、利用者はパネルと異なる面に体の一部（例えば耳）を接触させて音を聞くことができる。 Further, in the mobile phone 100 described above, the piezoelectric element is attached to the panel, but may be attached to a location different from the panel. For example, the piezoelectric element may be attached to a battery lid that is attached to the housing and covers the battery. Since the battery lid is often attached to a surface different from the panel in the mobile phone, according to such a configuration, the user listens to the sound by touching a part of the body (for example, an ear) to a surface different from the panel. Can do.
　上記のような、利用者の体の一部（例えば外耳の軟骨）を介して利用者に対して音を伝える電子機器は、振動するパネルに接触する利用者の体の一部を介して伝導する音（人体伝導音）およびパネルの振動に起因するパネル近傍の空気の振動（気導音）の両方を利用者に伝えるものであってもよい。 Electronic devices that transmit sound to the user through a part of the user's body (for example, the cartilage of the outer ear) as described above are conducted through the part of the user's body that contacts the vibrating panel. It is also possible to transmit to the user both the sound to be heard (human body conduction sound) and the vibration of the air in the vicinity of the panel (air conduction sound) caused by the vibration of the panel.
　ここまで、本発明の複数の実施形態について説明したが、当然ながら各実施形態の構成同士を適宜組み合わせることは可能である。 So far, a plurality of embodiments of the present invention have been described, but it is naturally possible to appropriately combine the configurations of the embodiments.
　１　　　電子機器
　１０　　筐体
　１１　　上部筐体
　１２　　下部筐体（支持部材）
　２１　　タッチパネル
　２１ａ　操作領域
　２１ｂ　タッチパネルの短辺側の縁部
　２１ｃ　タッチパネルの長辺側の縁部
　２２　　振動部
　３０　　弾性部材
　３０ａ　貫通孔
　３１　　熱収縮部材
　３２　　昇華部材
　４１　　接着部材
　４２　　接着部材
　５０　　回路基板
　６０　　表示部
　Ｓ　　　閉鎖空間
　１００　携帯電話機
　１１０　筺体
　１１０ａ　上部筺体
　１１０ｂ　下部筺体
　１２０　パネル
　１３０　表示部
　１４０　圧電素子
　１５０　接合部材
　１６０　弾性部材
　１６１　熱収縮部材
　１７０　接着部材
　１８０　中間部材 DESCRIPTION OF SYMBOLS 1 Electronic device 10 Housing | casing 11 Upper housing | casing 12 Lower housing | casing (support member)
21 Touch Panel 21a Operation Area 21b Edge on Short Side of Touch Panel 21c Edge on Long Side of Touch Panel 22 Vibration Part 30 Elastic Member 30a Through Hole 31 Heat Shrink Member 32 Sublimation Member 41 Adhesive Member 42 Adhesive Member 50 Circuit Board 60 Display Part S Closed space 100 Mobile phone 110 Housing 110a Upper housing 110b Lower housing 120 Panel 130 Display unit 140 Piezoelectric element 150 Joining member 160 Elastic member 161 Heat shrink member 170 Adhesive member 180 Intermediate member

Claims (6)

  1. 　パネルと、
    　前記パネルを振動させる振動部と、
    　前記パネルを、枠状の弾性部材を介して支持する支持部材と、を備えた電子機器であって、
    　前記弾性部材は、孔を有するとともに当該孔に充填される熱収縮部材を有し、
    　前記パネルと前記弾性部材との間、及び当該弾性部材と前記支持部材との間に、防水性を備える接着部材が配設されていることを特徴とする電子機器。     A panel,
    A vibrating section for vibrating the panel;
    A support member that supports the panel via a frame-like elastic member, and an electronic device comprising:
    The elastic member has a hole and a heat shrink member filled in the hole,
    An electronic device comprising a waterproof adhesive member disposed between the panel and the elastic member and between the elastic member and the support member.
  2. 　前記パネルは、利用者の耳全体を覆うことができる大きさである
    　請求項１に記載の電子機器。     The electronic device according to claim 1, wherein the panel has a size capable of covering the entire user's ear.
  3. 　パネルと、
    　前記パネルを振動させる振動部と、
    　前記パネルを、枠状の弾性部材を介して支持する支持部材と、を備えた電子機器であって、
    　前記弾性部材は、孔を有し、
    　前記パネルと前記弾性部材との間、及び当該弾性部材と前記支持部材との間に、防水性及びガス透過性を備える接着部材が配設されていることを特徴とする電子機器。     A panel,
    A vibrating section for vibrating the panel;
    A support member that supports the panel via a frame-like elastic member, and an electronic device comprising:
    The elastic member has a hole,
    An electronic device comprising an adhesive member having waterproofness and gas permeability between the panel and the elastic member and between the elastic member and the support member.
  4. 　前記パネルは、利用者の耳全体を覆うことができる大きさである
    　請求項３に記載の電子機器。     The electronic device according to claim 3, wherein the panel has a size that can cover the entire user's ear.
  5. 　孔を有する枠状の弾性部材と、熱収縮部材と、防水性を有する接着部材とを用いてパネルを支持部材に取り付けるにあたり、
    　前記孔に前記熱収縮部材を充填した後、前記パネルと前記弾性部材、及び当該弾性部材と前記支持部材とのそれぞれを、前記接着部材を介して接着し、
    　その後、加熱環境下にて前記熱収縮部材を収縮させることを特徴とする電子機器の製造方法。     In attaching the panel to the support member using a frame-like elastic member having a hole, a heat shrink member, and a waterproof adhesive member,
    After filling the hole with the heat shrinkable member, the panel and the elastic member, and the elastic member and the support member are bonded via the adhesive member,
    Thereafter, the heat shrinkable member is shrunk under a heating environment.
  6. 　孔を有する枠状の弾性部材と、固体から気体に昇華する昇華部材と、防水性及びガス透過性を有する接着部材とを用いてパネルを支持部材に取り付けるにあたり、
    　前記孔に前記昇華部材を充填した後、前記パネルと前記弾性部材、及び当該弾性部材と前記支持部材とのそれぞれを、前記接着部材を介して結合し、
    　その後、圧力及び温度の少なくとも一方を変化させる昇華環境下にて前記昇華部材を昇華させることを特徴とする電子機器の製造方法。     In attaching the panel to the support member using a frame-like elastic member having a hole, a sublimation member that sublimates from a solid to a gas, and an adhesive member that has waterproofness and gas permeability,
    After filling the hole with the sublimation member, the panel and the elastic member, and each of the elastic member and the support member are coupled via the adhesive member,
    Thereafter, the sublimation member is sublimated in a sublimation environment in which at least one of pressure and temperature is changed.
PCT/JP2012/001426 2011-03-02 2012-03-01 Electronic apparatus and manufacturing method for electronic apparatus WO2012117738A1 (en)

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