JP6006097B2 - Vibration device and electronic device - Google Patents

Description

  The present invention relates to a vibration device and an electronic apparatus.

  In recent years, when a user operates an operation panel such as a touch panel, tactile transmission technology is known that transmits various tactile sensations such as a pressing feeling, a tracing feeling, and a feeling of touch to the operated user (for example, , See Patent Document 1). A vibration device to which the tactile transmission technology is applied includes an operation plate such as a touch panel and a vibrating body that vibrates the operation plate. When the vibrating body vibrates the operation plate, a tactile sensation can be transmitted to the user who has operated the operation plate. Since such a vibration device is provided in a mobile terminal such as a smartphone or a mobile phone, for example, it is required to have a certain degree of dustproofness and waterproofness.

JP 2003-122507 A

  However, if the dustproof and waterproof properties are to be ensured, the vibration of the operation plate may be suppressed.

  The present invention has been made in view of the above-described problems, and an object thereof is vibration that can reduce the possibility that vibration of the operation plate is suppressed while securing a certain degree of dustproofness and waterproofness. The present invention relates to an apparatus and an electronic device.

  One aspect of the vibration device according to the present invention includes an operation plate having an operation region and a non-operation region, a vibrating body that vibrates the operation plate, and spaced apart from the operation plate and facing the lower surface of the operation plate. A frame having a mounting surface that is provided on the base so as to surround the operation region and on which the elastic member is mounted between the lower surface of the operation plate in the non-operation region. The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is more than at least a part of the operation plate other than the corners of the operation plate. The corner is smaller.

  One aspect of the electronic device of the present invention includes the above-described vibration device.

  The vibration device and the electronic device of the present invention have an effect that the possibility of suppressing the vibration of the operation plate can be reduced while ensuring a certain degree of dustproof and waterproof properties.

It is a top view which shows schematic structure of the vibration apparatus which concerns on this embodiment. It is sectional drawing cut | disconnected along the cutting line II shown in FIG. It is sectional drawing cut | disconnected along the cutting line II-II shown in FIG. It is sectional drawing cut | disconnected along the cutting line III-III shown in FIG. It is a flowchart which shows the operation example of said vibration apparatus. It is a perspective view which shows schematic structure of the portable terminal which concerns on this embodiment. 10 is a plan view illustrating a schematic configuration of a vibration device according to Modification 1. FIG. It is sectional drawing cut | disconnected along the cutting line IV-IV shown in FIG. 10 is a plan view illustrating a schematic configuration of a vibration device according to Modification 2. FIG. It is sectional drawing cut | disconnected along the cutting line VV shown in FIG. It is sectional drawing cut | disconnected along the cutting line VI-VI shown in FIG. 10 is a plan view showing a schematic configuration of a vibration device according to Modification 3. FIG. It is sectional drawing cut | disconnected along the cutting line VII-VII shown in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  However, for convenience of explanation, the drawings to be referred to below show simplified main members necessary for explaining the present invention, among the constituent members of one embodiment of the present invention. Therefore, the vibration device and the electronic device according to the present invention can include arbitrary constituent members that are not shown in the drawings referred to in this specification.

  As shown in FIGS. 1 to 4, the vibration device X <b> 1 according to this embodiment includes a liquid crystal panel 2, a touch panel 3, a vibrating body 4, a base body 5, a frame body 6, an elastic member 7, a protective member 8, and an adhesive member 9. It has.

  The liquid crystal panel 2 includes a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate, and a display disposed between the first substrate and the second substrate. And a backlight for irradiating light to one substrate and the other substrate. Here, for convenience of explanation, illustration of each of the one substrate, the other substrate, the liquid crystal layer, the display member layer, and the backlight is omitted. Examples of the display member layer include a pixel electrode, an alignment film, and a color filter. The driving method of the liquid crystal panel 2 may be a simple matrix driving method or an active matrix driving method.

  Instead of the liquid crystal panel 2, a display panel such as a plasma panel, an organic EL panel, or electronic paper may be used. Here, the organic EL panel is a display panel using a substance that emits light when a voltage is applied. Specifically, the organic EL panel is displayed by depositing a light emitter using an organic substance such as diamine on a substrate and applying a DC voltage of 5 to 10V. In addition, when an organic EL panel is used instead of the liquid crystal panel 2, a backlight is not necessary.

  The touch panel (operation panel) 3 has a role of detecting a position operated by a user with a finger or a pen as an input position. The touch panel 3 has an operation area E1 and a non-operation area E2. The operation area E1 is an area where the user can perform an input operation. The non-operation area E2 is an area where the user cannot perform an input operation. In the present embodiment, the non-operation area E2 is located outside the operation area E1 so as to surround the operation area E1. A light shielding film may be provided in the non-operation area E2.

  The touch panel 3 has an upper surface 3a, a lower surface 3b located on the opposite side of the upper surface 3a, and an end surface 3c adjacent to the upper surface 3a and the lower surface 3b. That is, the upper surface 3 a of the touch panel 3 corresponding to the operation area E <b> 1 is a surface operated by the user with a finger or a pen through the protective member 8. Moreover, as shown in FIGS. 2-4, the touch panel 3 is arrange | positioned facing the liquid crystal panel 2 via space S1. Here, the space S <b> 1 is a space formed by the touch panel 3, the base 5, the frame body 6, and the elastic member 7.

In the present embodiment, the shape of the touch panel 3 is substantially rectangular in plan view. In the present specification, “substantially” means “substantially”, and “substantially rectangular” does not mean a complete rectangular shape, but may be a substantially rectangular shape. It means that. Since the shape of the touch panel 3 is substantially rectangular in plan view, as shown in FIG. 1, the touch panel 3 has four corners C1 to C4 in the non-operation area E2. In FIG. 1, the four corners C <b> 1 to C <b> 4 have a rectangular shape in plan view. However, the shape is not limited to this, and may be an arc shape in plan view. When the shapes of the four corners C1 to C4 are arcuate in plan view, the stress is alleviated even when stress due to an input operation such as a finger or a pen is applied to the corners C1 to C4. be able to.

  In the present embodiment, the corners C <b> 1 to C <b> 4 are 1/5 the length of the short side of the touch panel 3 in the short side direction of the touch panel 3 from the corner of the touch panel 3 and the corner of the touch panel 3 in the non-operation area E <b> 2. A region surrounded by a length of 1/6 of the long side of the touch panel 3 in the long side direction of the touch panel 3 from the section. Note that the range of the corners C <b> 1 to C <b> 4 can be set as appropriate according to the size of the touch panel 3.

  In the present embodiment, the touch panel 3 is a capacitive touch panel from the viewpoint of improving detection sensitivity. Among the capacitive touch panels, a cover panel integrated type is preferable from the viewpoint of thinning. Note that instead of the capacitive touch panel, for example, a resistive touch panel, a surface acoustic wave touch panel, an infrared touch panel, or an electromagnetic induction touch panel may be used.

  The vibrating body 4 has a role of bending and vibrating the touch panel 3 when a predetermined input operation by the user is detected. Specifically, the vibrating body 4 causes the touch panel 3 to bend and vibrate in the thickness direction of the touch panel 3 (hereinafter, this direction is referred to as “vertical direction”) by repeating expansion and contraction movement in the short side direction of the touch panel 3. . In addition, although mentioned later for details, the vibrating body 4 also has a role which detects the press load to the touch panel 3. FIG.

  The vibrating body 4 is provided on the lower surface 3 b of the touch panel 3. In the present embodiment, as shown in FIG. 1, two vibrating bodies 4 are provided in the vicinity of both short sides of the touch panel 3 along each short side. In addition, the arrangement position, the number, and the like of the vibrating body 4 are not particularly limited. For example, two vibrating bodies 4 may be provided in the vicinity of both long sides of the touch panel 3 along each long side, or in the vicinity of both the long sides and short sides of the touch panel 3, respectively. Four may be provided along the long side and the short side.

  In the present embodiment, the vibrating body 4 is, for example, a piezoelectric element that performs expansion and contraction based on an applied voltage, but is not limited thereto. As the vibrating body 4, an electromagnetic vibrating body, a motor, or the like may be used instead of the piezoelectric element. Moreover, as a piezoelectric element, any of a monomorph, a unimorph, and a bimorph may be sufficient.

  The substrate 5 has a role of supporting the liquid crystal panel 2 and the frame body 6. The base 5 has a main surface 5a. On the main surface 5 a of the base 5, the liquid crystal panel 2 and the frame body 6 are provided. The base 5 is disposed so as to be separated from the touch panel 3 and to face the lower surface 3 b of the touch panel 3. Examples of the constituent material of the base 5 include resins such as polycarbonate and metals such as stainless steel, aluminum, and magnesium alloys.

The frame body 6 is provided on the main surface 5a of the base body 5 so as to surround the operation area E1. The frame body 6 has a placement surface 6a on which the elastic member 7 is placed between the lower surface 3b of the touch panel 3 in the non-operation area E2. The frame body 6 has an adhesive surface 6b to which an adhesive member 9 that adheres to the protective member 8 is bonded. In the present embodiment, the placement surface 6a and the adhesion surface 6b are provided so as to surround the operation region E1. Examples of the constituent material of the frame body 6 include the same materials as those of the base body 5.

  The base body 5 and the frame body 6 may be formed integrally or separately.

  The elastic member 7 is placed on the placement surface 6a of the frame 6 so as to surround the operation area E1. That is, the elastic member 7 is provided in a frame shape along the long side and the short side of the touch panel 3. In the present embodiment, the elastic member 7 has one elastic member having substantially the same thickness in the longitudinal direction bonded to one end surface and the other end surface with an adhesive, and is placed on the mounting surface 6a of the frame body 6. It is configured by arranging it in a frame shape so as to surround the operation area E1. Examples of the constituent material of the elastic member 7 include silicone rubber, urethane rubber, urethane foam, and other rubbers.

  In addition, although the elastic member 7 demonstrated above the example comprised from one elastic member which has the substantially same thickness in the longitudinal direction, it is not restricted to this. The elastic member 7 may be composed of a plurality of elastic members. For example, the first elastic member between the corners C1 and C2, the second elastic member between the corners C2 and C4, the third elastic member between the corners C3 and C4, and the fourth elastic member between the corners C1 and C3. By arranging, four elastic members may be used as the elastic member. That is, the number of elastic members is arbitrary. Moreover, the thickness of the elastic member may be different from each other, and the constituent materials of the elastic member may be different from each other.

  Here, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 in the non-operation area E2 is larger than at least a part of the touch panel 3 other than the four corners C1 to C4. 3, four corners C1 to C4 are smaller. In the present embodiment, as shown in FIGS. 2 and 4, the separation distance between the lower surface 3 b of the touch panel 3 and the placement surface 6 a of the frame 6 is a portion other than the four corners C <b> 1 to C <b> 4 of the touch panel 3. Then, it becomes L1. As shown in FIGS. 3 and 4, the separation distance between the lower surface 3 b of the touch panel 3 and the placement surface 6 a of the frame 6 is L <b> 2 at the four corners C <b> 1 to C <b> 4 of the touch panel 3. That is, L2 is smaller than L1.

  In a state where the elastic member 7 is mounted on the mounting surface 6a of the frame body 6, the touch panel 3 is interposed via the elastic member 7 so that the upper surface 3a of the touch panel 3 and the adhesive surface 6b of the frame body 6 are substantially flush with each other. Is attached to the frame 6, the elastic member 7 is compressed by the lower surface 3 b of the touch panel 3 and the mounting surface 6 a of the frame 6. As described above, since L2 is smaller than L1, the elastic member 7 located at the four corners C1 to C4 of the touch panel 3 is an elastic member located at a portion other than the four corners C1 to C4 of the touch panel 3. 7 is compressed. That is, the elastic member 7 positioned at the four corners C1 to C4 of the touch panel 3 is more flexible than the elastic member 7 positioned at a portion other than the four corners C1 to C4 of the touch panel 3 with respect to the bending vibration. Becomes smaller.

  For this reason, when the touch panel 3 is curved and vibrated in the vertical direction due to the vibration of the vibrating body 4, the elastic members 7 positioned at the four corners C <b> 1 to C <b> 4 of the touch panel 3 serve as fulcrums for the curved vibration of the touch panel 3. 3, the elastic member 7 located in a portion other than the four corners C <b> 1 to C <b> 4 bends following the bending vibration of the touch panel 3. Therefore, in the vibration device X1, there is a possibility that the bending vibration of the touch panel 3 due to the elastic member 7 being interposed between the lower surface 3b of the touch panel 3 and the mounting surface 6a of the frame 6 is inhibited. Can be reduced.

Further, in the vibration device X1, the frame 6 has a placement surface 6a on which the elastic member 7 is placed between the lower surface 3b of the touch panel 3 in the non-operation area E2. That is, the elastic member 7 is interposed between the lower surface 3 b of the touch panel 3 and the mounting surface 6 a of the frame body 6. Since the elastic member 7 is interposed between the lower surface 3b of the touch panel 3 and the mounting surface 6a of the frame 6, the possibility of dust or water entering the space S1 can be reduced. For this reason, the vibration device X1 has a certain degree of dustproofness and waterproofness.

  Here, “having a certain degree of dustproofing and waterproofing” does not need to be completely dustproofing and waterproofing, and temporarily means that dust or water enters the space S1. However, if it can be achieved, it means “having a certain degree of dustproofness and waterproofness” in the present specification.

  Note that, as in the present embodiment, the elastic member 7 is preferably placed on the placement surface 6a of the frame 6 so as to surround the operation region E1. When the elastic member 7 is placed on the placement surface 6a of the frame 6 so as to surround the operation region E1, the space S1 is sealed by the elastic member 7, so that dust or water is put into the space S1. The possibility of entering can be further reduced.

  Further, as described above, L2 is set to be smaller than L1, so that the touch panel 3 is simply attached to the frame body 6 via the elastic member 7 and is positioned at the four corners C1 to C4 of the touch panel 3. The elastic member 7 can be compressed more than the elastic member 7 located in parts other than the four corners C1 to C4 of the touch panel 3. For this reason, it is possible to easily manufacture the vibration device X1.

  The protection member 8 has a role of protecting the upper surface 3a of the touch panel 3 from being damaged by contact with a user's finger or pen. The protective member 8 is provided on the upper surface 3 a of the touch panel 3. The protection member 8 is bonded to the bonding surface 6 b of the frame body 6 via the bonding member 9. Here, the adhesive member 9 is provided from the adhesive surface 6b of the frame 6 to the upper surface 3a of the touch panel 3 in the non-operation area E2. Further, the protection member 8 is provided so as to seal the space S <b> 2 between the end surface 3 c of the touch panel 3 and the frame body 6. Since the protective member 8 is provided so as to seal the space S2 between the end surface 3c of the touch panel 3 and the frame body 6, the possibility of dust or water entering the space S1 can be further reduced.

  Examples of the constituent material of the protection member 8 include glass or plastic. In the present embodiment, the adhesive member 9 is a double-sided tape, but is not limited thereto, and may be an adhesive made of, for example, an acrylic resin, a urethane resin, an epoxy resin, a silicone resin, a phenol resin, or a polyamide resin.

  In addition, when it is not necessary to protect the upper surface 3a of the touch panel 3 from being damaged by contact with a user's finger or pen, or when dustproof and waterproof properties are not strongly required, the upper surface of the touch panel 3 is used. The protective member 8 may not be provided in 3a.

  Next, an operation example of the vibration device X1 will be described with reference to FIG.

  In the following, an operation example of the vibration device X1 when transmitting a pressing feeling to the user in the tactile transmission will be described. However, the vibration device X1 has a feeling other than the pressing feeling, such as a feeling of tracing, a feeling of touch, etc. Of course, the present invention can also be applied to transmitting various tactile sensations.

As shown in FIG. 5, when the user presses the upper surface 3 a of the touch panel 3 through the protective member 8, the vibrating body 4 detects a pressing load on the touch panel 3 (Op 1). Here, the load detection function of the vibrating body 4 will be described. That is, when the user presses the upper surface 3a of the touch panel 3 through the protective member 8, the touch panel 3 is bent downward. When the touch panel 3 is bent downward, the vibrating body 4 is also bent downward. That is, the bending amount of the vibrating body 4 changes according to the pressing load on the touch panel 3. As a result, the pressing load on the touch panel 3 can be detected by the vibrating body 4.

  Then, the tactile transmission driver (not shown) determines whether or not the pressing load detected in Op1 is equal to or greater than the threshold when the input operation by the user is a pressing operation on the input object displayed on the display screen. (Op2).

  If the tactile transmission driver determines that the pressing load detected at Op1 is equal to or greater than the threshold (YES at Op2), the tactile transmission driver causes the vibrating body 4 to expand and contract in the short side direction of the touch panel 3 (Op3). Then, the touch panel 3 is curved and vibrated in the vertical direction by the vibrating body 4 expanded and contracted at Op3 (Op4). Thereby, a pressing feeling is transmitted to the user who pressed the upper surface 3 a of the touch panel 3 through the protective member 8. On the other hand, if the tactile sensation transmission driver determines that the pressing load detected at Op1 is less than the threshold value (NO at Op2), the process of FIG. 5 ends.

  As described above, the vibration device X1 can reduce the possibility that the vibration of the touch panel 3 is suppressed while ensuring a certain degree of dustproofness and waterproofness.

  Next, the portable terminal P1 provided with said vibration apparatus X1 is demonstrated, referring FIG.

FIG. 6 is a perspective view showing a schematic configuration of the mobile terminal P1 according to the present embodiment. As shown in FIG. 6, the mobile terminal P1 is, for example, a mobile phone, a smartphone, or a PDA (Personal Digital).
Assistant) and the like, and includes the vibration device X1, the voice input unit 101, the voice output unit 102, the key input unit 103, and the housing 104.

  The voice input unit 101 includes, for example, a microphone or the like, and inputs a user's voice or the like. The audio output unit 102 includes a speaker or the like, and outputs audio from the other party. The key input unit 103 is constituted by, for example, a mechanical key. Note that the key input unit 103 may be an operation key displayed on the display screen. The housing 104 has a role of accommodating the vibration device X1, the audio input unit 101, the audio output unit 102, and the key input unit 103.

  In addition, the mobile terminal P1 may include a short-distance wireless communication unit such as a digital camera function unit, a one-segment broadcasting tuner, an infrared communication function unit, and various interfaces, depending on the required functions. The detailed illustration and description thereof will be omitted.

  Since the portable terminal P1 includes the vibration device X1, it is possible to reduce the possibility that the vibration of the touch panel 3 is suppressed while ensuring a certain degree of dustproofness and waterproofness.

  In addition, although the example which provided the audio | voice input part 101 in the portable terminal P1 was demonstrated above, it is not restricted to this. That is, the voice input unit 101 may not be provided in the mobile terminal P1.

  The vibration device X1 is a programmable display used for industrial purposes, a display used for in-vehicle use, an electronic notebook, a personal computer, a copying machine, a terminal device for games, instead of the portable terminal P1. It may be provided in various electronic devices such as a television and a digital camera.

  The above-described embodiment shows a specific example of the embodiment of the present invention, and various modifications can be made. Hereinafter, some main modifications will be described.

[Modification 1]
FIG. 7 is a plan view illustrating a schematic configuration of the vibration device X2 according to the first modification. 8 is a cross-sectional view taken along the cutting line IV-IV shown in FIG. 7 and 8, components having the same functions as those in FIGS. 1 and 4 are given the same reference numerals, and detailed descriptions thereof are omitted.

  As shown in FIG. 8, in the vibration device X <b> 2, the placement surface 6 a includes at least a part other than the first placement surface 61 a corresponding to the corners C <b> 1 to C <b> 4 of the touch panel 3 and the corners C <b> 1 to C <b> 4 of the touch panel 3. And a second placement surface 62a corresponding to this part. Further, the frame 6 has a connection surface 63a that connects the first placement surface 61a and the second placement surface 62a. Here, in the vibration device X2, the connection surface 63a is inclined with respect to the second placement surface 62a. That is, the connection surface 63a is an inclined surface that is inclined with respect to the second placement surface 62a. Since the connection surface 63a is an inclined surface, the possibility that air is interposed between the elastic member 7 and the mounting surface 6a of the frame 6 can be reduced.

  Here, suppose that the connection surface is not inclined with respect to the second placement surface, that is, the connection surface is positioned perpendicular to the second placement surface. In this case, since the angle formed by the connection surface and the second placement surface is a right angle, even if the elastic member is compressed, the space corresponding to the portion formed by the connection surface and the second placement surface is formed. The elastic member may not be arranged. That is, air may be interposed between the elastic member and the mounting surface of the frame. If air is interposed between the elastic member and the mounting surface of the frame, the elastic member may be corroded by dust or water contained in the air. Due to the corrosion of the elastic member, the degree of bending of the elastic member may change, and the touch panel may not obtain the desired vibration.

  On the other hand, in the vibration device X2, the connection surface 63a is inclined with respect to the second placement surface 62a. That is, the angle formed by the connection surface 63a and the second placement surface 62a is an obtuse angle. For this reason, possibility that the elastic member 7 is not arrange | positioned in the space corresponding to the site | part which the connection surface 63a and the 2nd mounting surface 62a make can be reduced. That is, in the vibration device X2, the elastic member 7 can be mounted substantially uniformly over the first mounting surface 61a, the inclined connection surface 63a, and the second mounting surface 62a. Therefore, in the vibration device X2, the possibility that the touch panel 3 cannot obtain a desired vibration can be reduced.

  As described above, the vibration device X2 has the following effects in addition to the same effects as the vibration device X1. That is, the vibration device X2 can reduce the possibility that the touch panel 3 cannot obtain a desired vibration compared to the vibration device X1.

[Modification 2]
FIG. 9 is a plan view illustrating a schematic configuration of the vibration device X3 according to the second modification. 10 is a cross-sectional view taken along the cutting line VV shown in FIG. 11 is a cross-sectional view taken along a cutting line VI-VI shown in FIG. 9 to 11, the same reference numerals are given to configurations having the same functions as those in FIGS. 1 and 2, and detailed descriptions thereof are omitted.

  As shown in FIG. 9, in the vibration device X3, the touch panel 3 has four corners C1 to C4 in the non-operation area E2, and a first end B1 located between the corners C1 and C2. And a second end B2 located between the corners C3 and C4.

Here, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 in the non-operation area E2 is the four corners C1 to C4, the first end B1, and the second of the touch panel 3. The four corners C1 to C4, the first end B1, and the second end B2 of the touch panel 3 are smaller than at least some of the parts other than the end B2. In the modification 2, as shown in FIG. 10, the separation distance between the lower surface 3b of the touch panel 3 and the mounting surface 6a of the frame 6 is four corners C1 to C4 and the first end B1 of the touch panel 3. In other parts than the second end B2, L1 is obtained. Moreover, as shown in FIG. 11, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 is L2 at the first end B1 and the second end B2 of the touch panel 3. . Here, the L2 is the same as the separation distance L2 at the four corners C1 to C4 of the touch panel 3. L2 is smaller than L1.

  In a state where the elastic member 7 is mounted on the mounting surface 6a of the frame body 6, the touch panel 3 is interposed via the elastic member 7 so that the upper surface 3a of the touch panel 3 and the adhesive surface 6b of the frame body 6 are substantially flush with each other. Is attached to the frame 6, the elastic member 7 is compressed by the lower surface 3 b of the touch panel 3 and the mounting surface 6 a of the frame 6. As described above, since L2 is smaller than L1, the elastic members 7 located at the four corners C1 to C4, the first end B1, and the second end B2 of the touch panel 3 are the four of the touch panel 3. It will be compressed rather than the elastic member 7 located in parts other than corner part C1-C4, 1st edge part B1, and 2nd edge part B2. That is, the elastic members 7 located at the four corners C1 to C4, the first end B1 and the second end B2 of the touch panel 3 are the four corners C1 to C4, the first end B1, In addition, the degree of bending of the touch panel 3 with respect to the curved vibration is smaller than that of the elastic member 7 located in a portion other than the second end B2.

  For this reason, when the touch panel 3 is curved and vibrated in the vertical direction by the vibration of the vibrating body 4, the elastic member 7 located at the four corners C <b> 1 to C <b> 4, the first end B <b> 1, and the second end B <b> 2 of the touch panel 3. Serves as a fulcrum for the bending vibration of the touch panel 3, and the elastic member 7 located at a portion other than the four corners C <b> 1 to C <b> 4, the first end B <b> 1, and the second end B <b> 2 of the touch panel 3 Will bend and follow. Therefore, in the vibration device X3, there is a possibility that the bending vibration of the touch panel 3 due to the elastic member 7 being interposed between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 is inhibited. Can be reduced.

  In the vibration device X3, in addition to the elastic members 7 positioned at the four corners C1 to C4 of the touch panel 3, the elastic members 7 positioned at the first end B1 and the second end B2 are also fulcrums against the bending vibration of the touch panel 3. Therefore, it is particularly effective when the long side of the touch panel 3 has a rectangular shape longer than the short side.

  As described above, the vibration device X3 has the same effect as the vibration device X1.

[Modification 3]
FIG. 12 is a plan view illustrating a schematic configuration of the vibration device X4 according to the third modification. 13 is a cross-sectional view taken along the cutting line VII-VII shown in FIG. 12 and 13, the same reference numerals are given to configurations having the same functions as those in FIGS. 1 and 2, and detailed descriptions thereof are omitted.

  As shown in FIGS. 12 and 13, the vibration device X4 includes a liquid crystal panel 10 instead of the liquid crystal panel 2 and the touch panel 3 described in the above embodiment. In addition to the function of displaying an image, the liquid crystal panel 10 has a function of detecting a position operated by a user with a finger or a pen as an input position. That is, the liquid crystal panel 10 is a so-called in-cell touch display in which a function as a touch panel is incorporated.

The liquid crystal panel 10 includes an upper surface 10a, a lower surface 10b located on the opposite side of the upper surface 10a, and
It has an end surface 10c adjacent to the upper surface 10a and the lower surface 10b. Here, the upper surface 10 a of the liquid crystal panel 10 is a surface operated by the user with a finger or a pen through the protective member 8. Further, as shown in FIG. 13, the liquid crystal panel 10 is disposed so as to face the main surface 5a of the base 5 via the space S1.

  The liquid crystal panel 10 includes a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate, and a display disposed between the first substrate and the second substrate. A display member layer that contributes to the above, a light detection portion provided on one substrate, and a backlight that irradiates light to the one substrate and the other substrate. This light detection unit corresponds to an input position detection function. By placing a finger on the liquid crystal panel 10 in a state where external light is incident on the light detection unit, external light incident on the light detection unit corresponding to the finger is blocked. Thereby, in the liquid crystal panel 10, the input position can be detected by comparing the detection level of the light detection unit on which external light is incident with the detection level of the light detection unit on which no external light is incident. it can.

  In the vibration device X4, in addition to the function of displaying an image, the liquid crystal panel 10 has a function of detecting a position operated by a user with a finger or a pen as an input position. The liquid crystal panel 2 and the touch panel 3 need not be provided with two members, and the size can be reduced.

  As described above, the vibration device X4 has the following effects in addition to the same effects as the vibration device X1. That is, the vibration device X4 can be downsized as compared with the vibration device X1.

  In addition, although the example of the in-cell type touch display was demonstrated as the liquid crystal panel 10 above, it is not restricted to this. For example, the liquid crystal panel may be a so-called on-cell touch display in which detection electrodes for detecting an input position are directly formed on the other substrate constituting the liquid crystal panel. Further, even an in-cell touch display may employ a method other than the above-described light detection method.

  Instead of the liquid crystal panel 10, a display panel such as a plasma panel, an organic EL panel, or electronic paper may be used.

[Modification 4]
In the embodiment described above, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 is greater than that of at least a part of the touch panel 3 other than the four corners C1 to C4 of the touch panel 3. An example in which the four corners C1 to C4 are smaller has been described. Moreover, in the modification 2, the separation distance between the lower surface 3b of the touch panel 3 and the mounting surface 6a of the frame 6 is set such that the four corners C1 to C4, the first end B1, and the second end of the touch panel 3 are separated. The example in which the four corners C1 to C4, the first end B1, and the second end B2 of the touch panel 3 are smaller than at least a part of the part other than the part B2 has been described. However, the present invention is not limited to this.

  For example, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 is set so that the two corners C1 and C4 of the touch panel 3 are located at positions other than the two corners C1 and C4 of the touch panel 3. You may make it become smaller. In addition, for example, the separation distance between the lower surface 3b of the touch panel 3 and the mounting surface 6a of the frame 6 is set such that the two corners C2, of the touch panel 3 are more than the two corners C2, C3 of the touch panel 3. C3 may be made smaller.

Further, for example, the separation distance between the lower surface 3b of the touch panel 3 and the placement surface 6a of the frame 6 is more than the portion other than any one of the four corners C1 to C4 of the touch panel 3. Any one of the four corners C1 to C4 of the touch panel 3 may be made smaller.

[Modification 5]
Although the example of the portable terminal P1 provided with the vibration device X1 has been described above, any of the vibration devices X2 to X4 may be employed instead of the vibration device X1. Further, the above-described embodiment and the above-described modification examples can be configured in combination with each other.

[Modification 6]
Although the example which applied vibration apparatus X1-X4 to the tactile sense transmission technique was demonstrated above, it is not restricted to this. In addition to the tactile transmission technology, the present invention can be applied to, for example, a speaker technology that vibrates the operation plate and outputs sound, or a bone conduction technology that can hear the sound by vibrating the operation plate. is there. Of course, it can be applied to the cartilage conduction technique among the bone conduction techniques. Here, the cartilage conduction means that an audio signal is converted into vibration, transmitted to the cartilage of the outer ear, and the inner ear is stimulated via the inner bone to be transmitted to the auditory nerve.

X1 to X4 Vibration device P1 Mobile terminal (electronic device)
2 Liquid crystal panel (display panel)
3 Touch panel (operation panel)
4 Vibrating body 5 Base body 6 Frame body 7 Elastic member 8 Protective member 9 Adhesive member 10 Liquid crystal panel (operation panel, display panel)

Claims (10)

An operation plate having an operation area and a non-operation area;
A vibrating body that vibrates the operation plate;
A base body spaced apart from the operation plate and disposed opposite the lower surface of the operation plate;
A frame body that is provided on the base so as to surround the operation region, and has a mounting surface on which an elastic member is mounted between the lower surface of the operation plate in the non-operation region,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is greater in the corners of the operation plate than in at least some parts other than the corners of the operation plate. small rather, and the elastic member located at the corner of the operation plate, rather than the elastic member located on at least a part of the portion other than the corner portion of the operation plate, the lower surface of the operation plate in the non-operation area And a vibration device that is compressed by the mounting surface of the frame . An operation plate having an operation area and a non-operation area;
A vibrating body that vibrates the operation plate;
A base body spaced apart from the operation plate and disposed opposite the lower surface of the operation plate;
A frame body that is provided on the base so as to surround the operation region, and has a mounting surface on which an elastic member is mounted between the lower surface of the operation plate in the non-operation region,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is greater in the corners of the operation plate than in at least some parts other than the corners of the operation plate. The mounting surface is small and has a first mounting surface corresponding to a corner portion of the operation plate and a second mounting surface corresponding to at least a part of the operation plate other than the corner portion. ,
The frame has a connection surface that connects the first placement surface and the second placement surface;
It said connecting surface is inclined relative to the second mounting surface, vibration device. The shape of the operation plate is substantially rectangular in plan view,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation area is more than four corners of the operation plate than at least some parts other than the four corners of the operation plate. It is smaller parts, the vibration device according to claim 1 or 2. An operation plate having an operation area and a non-operation area;
A vibrating body that vibrates the operation plate;
A base body spaced apart from the operation plate and disposed opposite the lower surface of the operation plate;
Provided on the base so as to surround the operation area, in the non-operation area
A frame having a mounting surface on which an elastic member is mounted between the lower surface of the operation plate,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is greater in the corners of the operation plate than in at least some parts other than the corners of the operation plate. small,
The shape of the operation plate is substantially rectangular in plan view,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation area is more than four corners of the operation plate than at least some parts other than the four corners of the operation plate. The part is smaller,
In addition, the separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is larger than at least a part of the four corners of the operation plate and the portion between the corners. also, it sites between the four corners and the corners of the operation plate is small, vibration device. The vibration device according to any one of claims 1 to 4 , wherein the elastic member is placed on a placement surface of the frame body so as to surround the operation region. An operation plate having an operation area and a non-operation area;
A vibrating body that vibrates the operation plate;
A base body spaced apart from the operation plate and disposed opposite the lower surface of the operation plate;
A frame body that is provided on the base so as to surround the operation region, and has a mounting surface on which an elastic member is mounted between the lower surface of the operation plate in the non-operation region,
The separation distance between the lower surface of the operation plate and the mounting surface of the frame body in the non-operation region is greater in the corners of the operation plate than in at least some parts other than the corners of the operation plate. The frame body has a bonding surface to be bonded to the bonding member,
The operation is provided on the upper surface of the plate, further comprising a protective member which is bonded via the adhesive member and the adhesive surface of the frame body, vibration devices. The operation plate is a touch panel,
It is provided on the substrate, further comprising a display panel disposed to face the lower surface of the operation plate, the vibration device according to any one of claims 1-6. The operation plate is a display panel having a detection function of the input position, the vibration device according to any one of claims 1-6. The vibration device according to claim 7 or 8 , wherein the display panel is a liquid crystal panel or an organic EL panel. Electronic apparatus including the vibrating device according to any one of claims 1-9.