WO2012137442A1 - Appareil électronique - Google Patents

Appareil électronique Download PDF

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Publication number
WO2012137442A1
WO2012137442A1 PCT/JP2012/002113 JP2012002113W WO2012137442A1 WO 2012137442 A1 WO2012137442 A1 WO 2012137442A1 JP 2012002113 W JP2012002113 W JP 2012002113W WO 2012137442 A1 WO2012137442 A1 WO 2012137442A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
film
touch panel
electronic device
elastic member
Prior art date
Application number
PCT/JP2012/002113
Other languages
English (en)
Japanese (ja)
Inventor
健 戸松
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
Publication of WO2012137442A1 publication Critical patent/WO2012137442A1/fr

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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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

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.
  • the electronic device is A panel, A vibrating section for vibrating the panel;
  • An electronic device comprising: A first film-like member covering the front surface of the panel; A first elastic member disposed on a peripheral edge of the first film-like member; A second elastic member disposed on the back surface of the panel; The first film-like member is supported by the first elastic member, and the panel is supported by the second elastic member.
  • 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.
  • 1 is an external perspective view of an electronic apparatus according to an embodiment of the present invention. It is the external appearance perspective view which decomposed
  • FIG. 1 is a perspective view showing an external appearance of an electronic apparatus according to the present embodiment.
  • the electronic device 1 includes an upper housing 10a, a lower housing 10b, a first film-like member 22, and a bezel 30 in appearance. .
  • the upper casing 10a and the lower casing 10b constitute the casing 10 by combining them together.
  • an appropriate waterproof and dustproof measure can be taken, for example, by using a sealed structure with rubber packing. Shall be made.
  • waterproof and dustproof measures can be taken by sealing the upper housing 10a and the lower housing 10b, for example, by bonding them together.
  • the upper housing 10a and the lower housing 10b are preferably made of a material that can withstand a certain degree of impact, such as a resin case such as ABS.
  • the first film-like member 22 covers the front surface of the touch panel 20 described later.
  • the first film-like member 22 is made of a material such as polyethylene terephthalate (PET) and is thinly molded so as to have a certain degree of flexibility.
  • PET polyethylene terephthalate
  • the first film-like member 22 is made, for example, colorless and transparent, and the display of the display unit 80 described later is transmitted through the touch panel 20 disposed on the back surface of the first film-like member 22 so that the first film-like member 22 is visually recognized from the outside. It is preferable to configure so as to be able to.
  • the bezel 30 is disposed so as to straddle between the upper housing 10a and the first film-like member 22 as shown in FIG.
  • the bezel 30 serves as a waterproof and dustproof function between the upper housing 10a and the first film-like member 22, as will be described later. It is bonded to the upper housing 10a and the first film-like member 22.
  • the bezel 30 can be made of, for example, metal, plastic, or resin such as ABS, and is preferably made of a material having a certain degree of strength despite being thin. When the bezel 30 can be integrated with the upper housing 10a, the bezel 30 does not need to be provided as a separate member from the upper housing 10a.
  • FIG. 2 is a perspective view showing a state in which the bezel 30 is removed from the upper housing 10a and the upper housing 10a is separated from the lower housing 10b, that is, the housing is disassembled, in the electronic device 1 shown in FIG. FIG.
  • the bezel 30 is a frame-shaped member, and a window (opening) is formed on the front surface (upper surface).
  • a window opening
  • the operator can visually recognize the display on the touch panel 20 from the outside via the first film-like member 22, and the operator contacts the touch panel 20. be able to.
  • it is possible to reduce the first film-like member 22 or the touch panel 20 from dropping off or coming out of the upper housing 10a. Can do.
  • a concave portion 12a is formed in the upper portion of the upper housing 10a so that the bezel 30 can be fitted therein.
  • the bezel 30 is bonded to the peripheral portion of the first film-like member 22 and the recess 12 of the upper housing 10a using a waterproof member such as a waterproof double-sided tape.
  • a second film-like member 82 is arranged in appearance.
  • the second film-like member 82 has a recess 84 formed along the vicinity of the peripheral edge thereof.
  • a convex portion 16a that fits into the concave portion 84 is formed on the back side of the upper housing 10a.
  • the concave portion 84 formed in the second film-like member 82 is configured to fit into the convex portion 16a formed in the upper housing 10a when the upper housing 10a is combined with the lower housing 10b.
  • the second film-like member 82 and the fitting between the concave portion 84 and the convex portion 16a will be described in detail later.
  • FIG. 3 is a perspective view showing a state in which the upper housing 10a shown in FIG. 2 is further disassembled. That is, FIG. 3 shows a state in which the first film-like member 22 and the first elastic member 70 are further removed from the upper casing 10a after the bezel 30 is removed from the upper casing 10a as shown in FIG. It is a disassembled perspective view shown.
  • the first film-like member 22 is disposed on the upper housing 10 a via a frame-like first elastic member 70.
  • a recess 14a is formed in order to place the first film-like member 22 and the first elastic member 70.
  • the first elastic member 70 is inserted into the recess 14a of the upper housing 10a, and then the first film-like member 22 is inserted into the upper housing 10a. Is installed.
  • the first elastic member 70 is, for example, a stretchable material such as sponge, an elastic material such as silicon rubber, or urethane foam.
  • a stretchable material such as sponge
  • an elastic material such as silicon rubber
  • urethane foam When the first elastic member 70 is disposed in the recess 14a of the upper housing 10a, both may be bonded with an extremely thin double-sided tape or an adhesive. However, if the first elastic member 70 fitted in the concave portion 14a of the upper housing 10a maintains a certain shape so that the first elastic member 70 does not come off or shift from the concave portion 14a, the two are bonded together. You don't have to. The same applies to the space between the first elastic member 70 and the first film-like member 22.
  • FIG. 4 is a perspective view showing a state in which the lower housing 10b shown in FIG. 2 is further disassembled. That is, FIG. 4 is an exploded perspective view showing a state where the second film-like member 82, the display unit 80, and the substrate 90 are further removed from the lower housing 10b shown in FIG.
  • the display unit 80, the substrate 90, and the like are installed in the lower housing 10b before the lower housing 10b.
  • a second film-like member 82 is installed at 10b.
  • the display unit 80 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 an area to be touched on the touch surface of the touch panel 20 described later.
  • 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 80 is configured using, for example, a liquid crystal display panel (LCD), an organic EL display panel, or the like.
  • the substrate 90 can be various substrates such as a substrate including various electronic components including a control unit that controls the overall operation of the electronic device 1.
  • the substrate 90 is an example of various members.
  • the substrate 90 is used as a display unit holder for supporting the display unit 80, or the substrate 90 is used as another support member. It can be a member.
  • the second film-like member 82 has the recess 84 formed along the vicinity of the peripheral edge thereof.
  • the peripheral edge of the second film-like member 82 is brought into contact with the recess 12b formed in the lower housing 10b.
  • the recessed part 84 of the 2nd film-like member 82 can be formed by vacuum forming etc., for example.
  • FIG. 5 is a diagram for explaining how the touch panel 20 is arranged on the back side of the first film-like member 22 shown in FIG.
  • the first film-like member 22 is supported by the first elastic member 70 (when attached to the upper housing 10a).
  • the touch panel 20 is disposed inside the frame-like first elastic member 70. Further, the touch panel 20 is supported by a frame-like second elastic member 72.
  • the touch panel 20 is disposed on the front surface of the display unit 80 described above, and corresponds to contact with an object displayed on the display unit 80 by an operator's finger, stylus pen, or the like (hereinafter simply referred to as “contact object”). Detection is performed on the touch surface of the touch panel 20. Therefore, in the present embodiment, the “touch panel” will be described assuming a member disposed on the front surface of the display unit 80 which can be an LCD or the like, that is, a member provided separately from the display unit 80. In addition, the touch panel 20 detects the position of contact of the contact object with respect to the touch surface, and notifies the detected position of the contact to a control unit (not shown).
  • the touch panel 20 may be a touch panel configured by, for example, a resistance film method, a capacitance method, an optical method, or the like.
  • touch panel 20 is covered with first film-like member 22.
  • the first film-like member 22 is made of a thin and flexible material, the touch panel 20 can detect contact by the contact object even through the first film-like member 22. .
  • the touch panel 20 detects a contact by a contact object, it is not essential that the contact object physically touch the touch panel 20.
  • the touch panel 20 is an optical type, the touch panel 20 detects a position where infrared rays on the touch panel 20 are blocked by the contact object, and thus the contact object does not need to touch the touch panel 20.
  • a vibrating part 50 is attached in the vicinity of the upper and lower edges (the back side and the near side in the figure).
  • the vibrating unit 50 is preferably bonded to the back surface of the touch panel 20 with, for example, a double-sided tape or an adhesive.
  • the vibration unit 50 is made of, for example, a piezoelectric element, and vibrates by bending the touch panel 20.
  • the vibration unit 50 is attached from the back surface of the touch panel 20, but in the present invention, the vibration unit 50 transmits vibration to the touch panel 20. Therefore, the vibration unit 50 may be configured to vibrate the touch panel 20 by fixing a piezoelectric element or the like to an arbitrary position such as the touch panel 20 or the panel frame 22. However, the vibration unit 50 is preferably a piezoelectric element attached to the back surface of the touch panel 20 so that the touch panel 20 can be vibrated satisfactorily.
  • the vibration unit 50 presents a tactile sensation to a contact object that is in contact with the touch surface of the touch panel 20 by generating vibration according to a predetermined vibration pattern.
  • the vibration unit 50 generates vibration based on a drive signal supplied from a control unit (not shown), for example.
  • the second elastic member 72 is made of, for example, a stretchable material such as sponge, an elastic material such as silicon rubber, or urethane foam or poron (trade name). Is preferred.
  • the second elastic member 72 can be fixed by another member so that the position does not change when the touch panel 20 is supported, but if such measures are not taken, It is also assumed that the position changes when the touch panel 20 is supported. Therefore, in such a case, when the second elastic member 72 supports the touch panel 20, at least one of the upper surface side and the lower surface side of the second elastic member 72 is bonded with an ultrathin double-sided tape or an adhesive. It is preferable to do this.
  • FIG. 6 and 7 are diagrams showing a cross section of the electronic apparatus 1.
  • FIG. 6 and 7 are cross-sectional views showing a state in which the electronic apparatus 1 is cut in the X-axis direction shown in FIG. 6 and 7, the position in the Y-axis direction shown in FIG. 2 is the position of the electronic device 1 except for the vicinity of the upper end (the far end in the figure) or the lower end (the near end in the figure). It is a figure which shows the example which cut
  • FIG. 6 is a cross-sectional view showing a state before the upper housing 10a and the lower housing 10b are combined.
  • FIG. 6 shows a state before the bezel 30 is also combined.
  • various elements such as various substrates 90 and a display unit 80 that are to be protected against dust and water. Try to keep it installed.
  • the second film-like member 82 is attached from the upper surface side of the lower housing 10b.
  • the lower housing 10b and the second film-like member 82 are sealed by disposing the waterproof member 62 shown in FIG. 6 at the position of the recess 12b of the lower housing 10b described in FIG.
  • the sealing in the present invention means that the waterproof member 62 is attached using a waterproof double-sided tape, or is bonded using an adhesive capable of sealing moisture.
  • the upper housing 10a is attached to the lower housing 10b.
  • the convex portion 16 a formed on the lower surface side of the upper housing 10 a is fitted into the concave portion 84 formed on the upper surface side of the second film-like member 82.
  • the upper housing 10a is attached to the lower housing 10b, they are integrated by a method such as adhesion, screwing, or fitting connection.
  • the touch panel 20 and the first film-like member 22 are attached to the integrated casing 10.
  • the touch panel 20 is attached to the upper housing 10 a in a state where the vibration unit 50 is fixed to the back surface side and is supported by the second elastic member 72.
  • the second elastic member 72 that supports the touch panel 20 comes into contact with the second film-like member 82.
  • the second elastic member 72 that supports the touch panel 20 may abut against other members according to the internal structure of the casing of the electronic device.
  • the first film-like member 22 is attached to the housing 10 so as to cover the touch panel 20 as shown in FIG. 6.
  • the first film-like member 22 is supported by the first elastic member 70 and is attached to the concave portion 14a of the upper housing 10a described with reference to FIG.
  • the bezel 30 is attached so as to straddle the peripheral portions of the upper housing 10 a and the first film-like member 22.
  • the waterproof member 60 shown in FIG. 6 across the portion of the recess 12a of the upper housing 10a described in FIG. 3 and the peripheral portion of the first film-like member 22, the upper housing 10a
  • the first film-like member 22 is sealed.
  • the waterproof member 60 is made of, for example, a waterproof double-sided tape or an adhesive that can seal moisture.
  • FIG. 7 is a cross-sectional view showing a state after the upper housing 10a and the lower housing 10b are combined and the bezel 30 is attached.
  • the first film-like member 22 covers the front surface of the touch panel 20, and the first film-like member 22 is attached to the upper housing 10a.
  • the bezel 30 covers the peripheral edge of the first film-like member 22.
  • the electronic device 1 according to the present embodiment is configured such that the peripheral portion of the first film-like member 22 and the upper housing 10a and / or the bezel 30 are sealed by the waterproof member 60. Therefore, according to the present embodiment, a waterproofing treatment is performed between the upper housing 10 a and the first film-like member 22. For this reason, in the electronic device 1, moisture and dust from the outside of the upper housing 10 a do not enter between the first film-like member 22 and the touch panel 20.
  • the first film-like member 22 is supported on the upper housing 10 a by the first elastic member 70.
  • the touch panel 20 includes a second elastic member 72 on the back surface side, and the touch panel 20 is supported by the second elastic member 72. Therefore, when the vibration unit 50 vibrates the touch panel 20, there is no element that greatly attenuates the vibration, so that the vibration attenuation can be reduced.
  • the housing 10 includes an upper housing 10a and a lower housing 10b to be combined with the upper housing 10a. Furthermore, the electronic device 1 further includes a second film member 82 disposed on the back side of the touch panel 20.
  • the gap between the second film-like member 82 and the lower housing 10b is sealed by the waterproof member 62. Therefore, according to the present embodiment, waterproofing is also performed between the lower housing 10b and the second film-like member 82. For this reason, in the electronic device 1, moisture and dust from the outside of the upper housing 10 a or the lower housing 10 b do not enter between the second film-like member 82 and the display unit 80.
  • the second film-like member 82 has a recess 84 along the vicinity of the periphery thereof, and the upper housing 10 a is formed in the recess 84. It has the convex part 16a to fit.
  • a dustproof treatment is performed between the upper housing 10a and the second film-like member 82. For this reason, in the electronic device 1, dust from the outside of the upper housing 10a or the lower housing 10b, etc. between the touch panel 20 and the second film-like member 82 (and also between the display unit 80). Will not invade.
  • the second film-like member 82 and the lower housing 10b are sealed with the waterproof member 62.
  • the second film-like member 82 and the upper housing 10a (for example, The convex portion 16 a) may be sealed with the waterproof member 62.
  • the upper casing 10a and the lower casing 10b are waterproofed by another method (for example, an elastic member such as silicon rubber is used as a packing portion to sandwich the upper casing 10a and the lower casing 10b between the upper casing 10a and the lower casing 10b.
  • the member 62 can be omitted.
  • the case where the bezel 30 is used as a support member and the bezel 30 and the first film-like member 22 are sealed by the waterproof member 60 has been described.
  • the first elastic member 70 and the upper housing 10a may be sealed with a waterproof member 60.
  • the present invention is not limited to the above embodiment, and many variations or modifications are possible.
  • the main feature of the present invention is that a dust-proof and / or waterproofing measure is taken without attenuating vibration by appropriately arranging film-like members. Therefore, various components other than those described in the present specification can be adopted for the components and configuration aspects that do not constitute the main features of the present invention.
  • the first elastic member 70 and the second elastic member 72 are both described as frame-like elastic members.
  • these members 70 and 72 are intended to elastically support each element. Therefore, depending on, for example, the shape of the casing 10 of the electronic device 1 and various requirements, the members 70 and 72 can be arbitrarily set. It can be a shape.
  • the shapes of these members 70 and 72 may be elastic members that are scattered and supported, such as four-point support at four corners or six-point support with additional support points, instead of a frame shape.
  • the housing of the present invention is not limited to the members described above, and can be various members.
  • the mode in which the upper casing 10a, the lower casing 10b, and the bezel 30 constitute the support member has been described.
  • any one of the upper casing 10a, the lower casing 10b, and the bezel 30 can constitute the support member.
  • the supporting member according to the present invention may be any member as long as it is a member that supports the first film-like member 22 and / or the second film-like member 82. Therefore, for example, an aspect in which various members such as an LCD unit, an LCD holder, or various substrates constitute the support member can be assumed.
  • the touch panel 20 detects an operator's contact by displaying an object on the display unit 80 arranged on the back side of the touch panel 20
  • the present invention is not limited to such an aspect.
  • an aspect in which an object is directly printed on the touch surface of the touch panel 20 with ink or the like without the display unit 80 is assumed. You can also
  • the touch panel 20 is used to detect contact with the touch surface of the touch panel 20. That is, in the above embodiment, the “touch panel 20” 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.
  • 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 press detection part can assume various structures according to the contact detection system in a 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 80 and the touch panel 20 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 part 50 may be comprised so that the touch panel 20 may be vibrated indirectly by vibrating an electronic device based on a vibration motor (eccentric motor) etc., and a piezoelectric element is provided in the touch panel 20. By doing so, the touch panel 20 may be configured to vibrate directly.
  • a vibration motor eccentric motor
  • the bezel 30, the upper casing 10a, and the lower casing 10b are used as supporting members as the supporting members, and the bezel 30 is included in the upper casing 10a.
  • a member separately configured in the upper housing 10a or the lower housing 10b, or a display unit holder (not shown) that holds the display unit 80 or the display unit 80 may be used as the support member.
  • an electronic device that includes a touch panel having a sensing function and feeds back a feeling of operation is described.
  • the present invention is not limited to this.
  • an electronic apparatus according to the second 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 mobile phone 100 described below is given as an example of the electronic apparatus according to the second embodiment of the present invention, it 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 front view of an electronic apparatus according to the second embodiment of the present invention.
  • FIG. 9 is an external perspective view in which the casing of the electronic device according to the second embodiment of the present invention is disassembled.
  • FIG. 10 is a partial cross-sectional view after assembling an electronic apparatus according to the second embodiment of the present invention. In the following, a description will be given mainly of differences from the first embodiment shown in FIGS.
  • the mobile phone 100 as the electronic apparatus according to the second embodiment of the present invention includes a bezel 30, a casing 110, a panel 120, a first film-like member 122,
  • the display unit 130 includes a piezoelectric element 140, a first elastic member 170, a second elastic member 172, and a second film-like member 182.
  • the piezoelectric element 140 is bonded to the panel 120 with a bonding member 150.
  • the panel 120, the display unit 130, and the 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 approximately at the center in the short direction of the panel 120 and separated from the panel 120 by a predetermined distance in the thickness direction of the panel 120.
  • 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 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 upper casing 110a and the lower casing 110b are made of a material such as resin, for example.
  • the upper casing 110a and the lower casing 110b are bonded to each other with a double-sided tape or an adhesive. Between the upper casing 110a and the lower casing 110b, in a state in which they are integrally combined, for example, a sealed structure may be provided via rubber packing.
  • 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 first film-like member 122 covers the front surface of the panel 120.
  • the first film-like member 122 is made of a material such as polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the first film-like member 122 may be a glass plate.
  • the first film-like member 122 is made of, for example, colorless and transparent so that the display area of the display unit 130 can be visually recognized from the outside through the panel 120 disposed on the back surface of the first film-like member 122. It is preferable to do this.
  • 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 film-like member 122 is disposed on the upper housing 110 a via the first elastic member 170.
  • the first elastic member 170 is made of a dustproof and waterproof material.
  • the first elastic member 170 is, for example, sponge, urethane foam, or silicone rubber.
  • the first elastic member 170 may be bonded to the first film member 122 and the upper casing 110a by a double-sided tape or an adhesive.
  • the first elastic member 170 is disposed along the entire outer peripheral portion of the first film-like member 122.
  • a second elastic member 172 is disposed on the back side of the panel 120. Similar to the first elastic member 170, the second elastic member 172 is, for example, sponge, urethane foam, or silicon rubber. The second elastic member 172 is disposed along the entire outer peripheral portion of the panel 120. In the example shown in FIG. 10, the second elastic member 172 that supports the panel 120 abuts on a second film-like member 182 described later. However, the second elastic member 172 that supports the panel 120 may abut against other members according to the internal structure of the casing of the electronic device.
  • the second film-like member 182 is disposed on the back side of the panel 120 in the same manner as the second film-like member 82 in the first embodiment.
  • the second film-like member 182 has an end in the plane direction sandwiched between the upper housing 110a and the lower housing 110b.
  • the mobile phone 100 does not have to include the second film-like member 182.
  • the second elastic member 172 that supports the panel 120 may be in contact with another member according to the internal structure of the casing of the electronic device.
  • the first elastic member 170 is combined with the first film-like member 122 and the upper casing in a state where the bezel 30, the upper casing 110a, and the lower casing 110b are combined. 110a.
  • the first elastic member 170 reduces the intrusion of water and dust into the mobile phone 100. Further, since the panel 120 and the first film-like member 122 are held inside the housing 110 by the first elastic member 170 and the second elastic member 172, the vibration of the panel 120 and the first film-like member 122 is obtained. It is difficult to attenuate.
  • both the panel 120 and the first film-like member 122 are caused by the expansion and contraction of the piezoelectric element 140. Is deformed. Then, when 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 and the first film-like member 122, the mobile phone 100 Sound can be transmitted to the user via
  • 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 and the first film-like member 122 vibrate 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 and the first film-like member 122 vibrate in which 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 and the first film-like member 122, for example, even if the user wears an earphone or a headphone, by bringing an electronic device into contact therewith The user can hear the sound through the earphones or headphones and the body part.
  • the vibration of the upper part (upper side in FIG. 10) of the panel 120 to which the piezoelectric element 140 is attached is greatly vibrated compared to the lower part of the panel 120 and the first film-like member 122. It becomes possible. Therefore, the vibration of the panel 120 and the first film-like member 122 can be efficiently transmitted 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 voltage applied to the piezoelectric element mounted on the so-called panel speaker is, for example, ⁇ 5V, but the voltage applied to the piezoelectric element 140 of the mobile phone 100 may be, for example, ⁇ 15V.
  • the support structure for the panel housing is greatly different.
  • the panel in the case of the panel speaker disclosed in Japanese Patent Publication No. 2010-1114866, the panel itself does not deform greatly, and the entire panel moves in parallel in the thickness direction of the panel. Supported by the housing. In order to vibrate like this, the panel is supported on the housing by a film-like member, a stretchable rubber member, a spring member, or the like at both ends in the longitudinal direction.
  • the entire outer peripheral portion of the first film-like member 122 is supported by being bonded to the housing 110 by the first elastic member 170, and the entire outer peripheral portion of the panel 120 is second elastic.
  • This structure is supported by being bonded to the housing 110 by the member 172. That is, the panel 120 and the first film-like member 122 of the mobile phone 100 are firmly fixed to the casing as compared with the panel of the panel speaker described in the above document.
  • the first elastic member 170 that supports the entire outer peripheral portion of the first film-like member 122 and the second elastic member 172 that supports the entire outer peripheral portion of the panel 120 are a film-like member that holds a so-called panel speaker, or an expansion and contraction.
  • a portion having a relatively large vibration amplitude and a portion having a relatively small vibration amplitude vibrate randomly distributed throughout the panel.
  • a material having such elasticity is selected. Therefore, the voltage applied to the piezoelectric element 140 of the mobile phone 100 is higher than the voltage applied to the piezoelectric element mounted on a normal so-called panel speaker.
  • the panel 120 and the first film-like member 122 are sufficiently vibrated to be used. It is possible to generate a human body conduction sound through a part of a person's body.
  • FIG. 12 is a diagram illustrating a modification of the electronic device according to the second embodiment of the present invention.
  • 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 intermediate member 180 may be attached to the piezoelectric element 140 by the joining member 150. Thereby, even if a panel and the 1st film-like member 122 are made to contact a human body strongly, the vibration of a panel and the 1st film-like member 122 can be made hard to attenuate.
  • an intermediate member 180 is disposed between the piezoelectric element 140 and the panel 120, but one side of the piezoelectric element 140 is bonded to the panel 120 by the joining member 150, and the other side of the piezoelectric element 140 is Alternatively, the other side member may be bonded by the bonding member 150. If the other side member has the same configuration as that of the intermediate member 180, the risk of the piezoelectric element 140 being damaged can be reduced, and the resonance frequency of the panel 120 and the first film-like member 122 is adjusted. be able to.
  • 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.
  • the piezoelectric element may be attached to, for example, a sheet key in which a key top of the operation key and a part of the casing are integrally formed.
  • 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.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • User Interface Of Digital Computer (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un appareil électronique comprenant un panneau vibrant constituant son aspect extérieur. Les vibrations du panneau sont essentiellement imperturbables et l'appareil bénéficie d'une résistance à la poussière et à l'eau améliorée. L'appareil électronique (1) comprend un panneau tactile (20) et une unité vibrante (50) qui fait vibrer le panneau tactile (20), et est caractérisé en ce qu'il comprend en outre un premier élément de type feuille (22) couvrant la face avant du panneau tactile (20), un premier élément élastique (70) placé sur la partie extrémité circonférentielle du premier élément de type feuille (22), et un deuxième élément élastique (72) placé sur la face arrière du panneau tactile (22) ; et en ce que le premier élément de type feuille (22) repose sur le premier élément élastique (70), et le panneau tactile (20) repose sur le deuxième élément élastique (72).
PCT/JP2012/002113 2011-04-01 2012-03-27 Appareil électronique WO2012137442A1 (fr)

Applications Claiming Priority (2)

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JP2011-081545 2011-04-01
JP2011081545 2011-04-01

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US10379669B2 (en) 2016-04-29 2019-08-13 Lg Display Co., Ltd. Apparatus for touch screen and electronic device comprising the same
US20210333133A1 (en) * 2020-04-27 2021-10-28 Hosiden Corporation Sensor unit and structure for attaching sensor unit

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CA2981869C (fr) * 2016-06-08 2020-04-28 Huawei Technologies Co., Ltd. Composante et dispositif electronique
JP6732688B2 (ja) * 2017-03-30 2020-07-29 京セラ株式会社 表示装置

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CN108292482A (zh) * 2015-12-01 2018-07-17 三菱电机株式会社 显示器用保护片及显示装置
CN108292482B (zh) * 2015-12-01 2019-03-01 三菱电机株式会社 显示装置
US10379669B2 (en) 2016-04-29 2019-08-13 Lg Display Co., Ltd. Apparatus for touch screen and electronic device comprising the same
US20210333133A1 (en) * 2020-04-27 2021-10-28 Hosiden Corporation Sensor unit and structure for attaching sensor unit
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US11828621B2 (en) 2020-04-27 2023-11-28 Hosiden Corporation Sensor unit and structure for attaching sensor unit

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