JP2005149994A - Sheet switch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet switch in which thinning can be realized easily and assembling is easy. <P>SOLUTION: In the sheet switch 1, an electrostatic prevention sheet 80 which shields static electricity entering toward a switch electrode sheet 30, a case 130 which is made of a forming resin and is made by forming a switch pressing member 137 integrally at a position opposed to a switch 40, and a name plate 180 covering the surface of the case 130 are installed on the switch electrode sheet 30 forming the switch 40 at a prescribed position. These laminated switch electrode sheet 30, electrostatic prevention sheet 80, the case 130, and name plate 180 are all adhered and integrated by adhesion layers 89, 150, 200 and furthermore an adhesion layer 10 is installed at the bottom side of the switch electrode sheet 30. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a sheet switch having a thin plate shape.

  2. Description of the Related Art Conventionally, switch operation plates for operating electric devices such as various portable devices and home appliances are attached to operation portions of the electric devices. For example, as shown in FIG. 5 of Patent Document 1, this type of switch operation plate is made of a molded resin in which a key top (switch pressing member) is attached on a switch substrate constituted by a hard substrate having a predetermined thickness. It consists of a case and a nameplate attached to the case. Each key top is positioned directly above each switch provided on the switch board. In some cases, a light emitting element for brightly illuminating the surface of the switch board via a name plate is attached by solder or conductive adhesive.

However, the above conventional switch operation plate has the following problems.
(1) In order to attach the switch operation plate to the operation part of the electric device, it is necessary to provide a further fixing structure in the case. This obstructs the thinning of the switch operation plate or makes the installation complicated.

  (2) When a plurality of functions are required for the switch operation plate, it is necessary to prepare a switch operation plate as a separate part for each function and attach it to an electric device.

  (3) If the nameplate has an opening, static electricity may enter the switch board and cause the switch to malfunction.

(4) In order to guide the light of the light emitting element (electronic component) to the surface side through the nameplate, it is necessary to provide a light guide opening in the portion of the case facing the light emitting element. For this reason, if the nameplate just above the opening is accidentally pressed, the nameplate is pushed into the opening and the pressing force is directly applied to the light emitting element, which may destroy the light emitting element.
JP-A-9-180574

  The present invention has been made in view of the above-described points, and its purpose is to make it easy to reduce the thickness, to facilitate assembly, to provide a plurality of different functions, to prevent static electricity from entering, and to the inside. It is an object of the present invention to provide a sheet switch that is not damaged when an installed electronic component is pressed from above a nameplate.

  According to the first aspect of the present invention, at least a switch resin is formed on a switch electrode sheet formed by forming a switch at a predetermined position, and a switch pressing member is integrally molded at a position facing the switch. And a nameplate that covers the surface of the case, and the switch electrode sheet and the case and the nameplate to be laminated are all bonded and integrated by an adhesive layer, and the adhesive layer is also formed on the lower surface of the switch electrode sheet. There is provided a sheet switch.

  In the invention according to claim 2 of the present application, in addition to the switch, a multidirectional pressing switch including a plurality of switches is installed in a planar shape on the switch electrode sheet, and the multidirectional switch is provided on the case. 2. The seat switch according to claim 1, further comprising an insertion hole for inserting a pressing knob and / or a swinging knob for operating the pressing switch.

  In the invention according to claim 3 of the present application, a connecting member attaching portion for attaching a sheet-like connecting member for holding the pressing knob and / or the swinging knob at the position of the insertion hole is provided around the insertion hole. The seat switch according to claim 2, wherein the seat switch is provided.

  In the invention according to claim 4 of the present application, an antistatic sheet for shielding static electricity incident on the switch electrode sheet is interposed between the switch electrode sheet and the case. 4. The sheet switch according to claim 1, wherein the switch electrode sheet and the case are bonded and integrated with each other by an adhesive layer.

  In the invention according to claim 5 of the present application, an electronic component is fixed to the switch electrode sheet, and the case is provided with an insertion portion penetrating vertically to insert the electronic component. The sheet switch according to claim 1, 2, 3, or 4, wherein a protective sheet for preventing pressing of an electronic component from above the name plate is bonded and integrated between the upper case and the name plate. It is in.

  According to the first aspect of the present invention, since the sheet switch is formed by simply bonding and integrating all of the switch electrode sheet, the case, and the nameplate with the adhesive layer, not only the manufacture thereof is easy, but also the thinning is achieved. Easy to plan. Since the adhesive layer is also provided on the lower surface of the switch electrode sheet, the sheet switch can be easily fixed to the operation part of the electric device.

  According to the second aspect of the present invention, in addition to the switch pressed by the switch pressing member provided on the case, the switch electrode sheet is operated by a separately installed pressing knob and / or swing knob. Since the switch is provided, a switch mechanism having different functions can be provided in one seat switch.

  According to the third aspect of the present invention, since the pressing knob and / or the swinging knob can be attached to the case by the sheet-like connecting member, even if the pressing knob or the swinging knob is attached to the case, the thickness of the pressing knob and / or the swinging knob can be reduced. Thinning can be achieved.

  According to the invention described in claim 4, since the antistatic sheet interposed between the switch electrode sheet and the case is also bonded and integrated with the switch electrode sheet and the case by the adhesive layer, shielding of static electricity is effective. The sheet switch can be manufactured easily, and the thickness can be easily reduced.

  According to the invention described in claim 5, the electronic component fixed to the switch electrode sheet is inserted into the insertion portion provided in the case, and the protective sheet is installed on the electronic component. The electronic component is prevented from being pressed, and the electronic component can be effectively protected. Since this protective sheet is also attached by adhesion, its assembly is easy and the thickness can be reduced. In other words, electronic components can be easily attached even in a thin sheet switch.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 (1), (2), (3) are exploded perspective views of a seat switch (switch operation plate) 1 according to this embodiment, and FIGS. 2 (1), 2 (2) are FIG. 1 (1). , (2) is an exploded perspective view of the part viewed from the back side. As shown in these drawings, the sheet switch 1 includes a chip-type electronic component (hereinafter referred to as “chip-type light emitting element” in this embodiment) 60 on an adhesive layer 10 having a release sheet 20 attached to the lower surface. The attached switch electrode sheet 30 is adhered, and the antistatic sheet 80, the case 130 in which the pressing knob 110 and the swing knob 120 are attached by the connecting member 100, and the protective sheet 160 are mounted on the switch electrode sheet 30. The nameplate 180 is bonded and integrated by adhesive layers 89, 150, 170, and 200, respectively. Each component will be described below.

  The adhesive layer 10 is configured by applying an adhesive layer to both surfaces of a flexible insulating sheet (nonwoven fabric in this embodiment), and a release sheet 20 is attached to the lower surface thereof. . The release sheet 20 is processed on the surface to be attached to the adhesive layer 10 so that the release sheet 20 can be easily peeled off from the adhesive layer 10. On the other hand, in the adhesive layer 10, a plurality of air vent grooves 11 extending through the adhesive layer 10 in a substantially rod shape are provided. Each air vent groove 11 is formed so as to be connected to an air vent hole 35 provided in the switch electrode sheet 30 described below or to the outer periphery of the adhesive layer 10. The thickness of the adhesive layer 10 (not including the thickness of the release sheet 20) is, for example, 100 μm.

  The switch electrode sheet 30 is provided with switches 40 at a plurality of predetermined positions on the surface of a flexible synthetic resin film (for example, polyethylene terephthalate (PET) film) 31, and is integrated in a plane at predetermined positions of the synthetic resin film 31. A plurality of (five) switches (hereinafter referred to as “multidirectional pressing switches”) 40A are provided, and a chip-type light emitting element 60 is attached at a predetermined position. The switch 40 is provided at a position facing each switch pressing member 137 of the case 130 described below, and the multidirectional pressing switch 40A includes a pressing portion 111 of the pressing knob 110 described below and four pressing portions of the swinging knob 120 described below. 123 is provided at a position opposite to 123. The thickness of the switch electrode sheet 30, that is, the thickness of the synthetic resin film 31, is, for example, 75 μm. In addition, description of the adhesive sheet 55 (refer FIG. 3) mentioned below is abbreviate | omitted in the switch 40 and the switch 40A for multidirectional pressing shown to FIG. 1 (3).

  FIG. 3 is an enlarged exploded perspective view of a main part of the switch 40 portion. As shown in the figure, the switch 40 includes a contact pattern (fixed contact) 41 formed at the center of the portion where the switch 40 of the synthetic resin film 31 is provided, and four connection patterns 43 formed around the contact pattern 41. An inversion plate (movable contact) 50 placed on the contact pattern 41 so that the outer periphery contacts the connection pattern 43, and an adhesive sheet 55 for attaching the inversion plate 50 onto the synthetic resin film 31. The reversing plate 50 is placed on the synthetic resin film 31, and the adhesive sheet 55 is stuck thereon. Here, the four connection patterns 43 are connected by a connection pattern 45, and the contact pattern 41 and the connection pattern 43 are connected to circuit patterns 47 and 49 drawn to the outside, respectively. Although not shown in FIG. 1C, the circuit patterns 47 and 49 are drawn out to the drawing portion 33 of the switch electrode sheet 30. An insulating layer is printed on the circuit patterns 47 and 49. In addition, air vent holes 35 each having a small hole penetrating through the synthetic resin film 31 are provided at two places on the synthetic resin film 31 in the vicinity of the portion where the outer periphery of the reversing plate 50 abuts (outside the connection pattern 45). Is provided. The structure of the multidirectional pressing switch 40A is the same as that of the switch 40.

  4A and 4B are views showing a method of attaching the chip-type light emitting element 60 to the switch electrode sheet 30. FIG. 4A is an exploded perspective view, and FIG. 4B is an assembled perspective view. As shown in the figure, the chip-type light emitting element 60 is fixed to the synthetic resin film 31 by a clamping member 65. Here, the chip-type light emitting device 60 is a surface-mount type electronic component that has terminal surfaces 61 and 61 on both sides thereof and is placed and fixed on the substrate as it is. Further, the clamping member 65 is configured by providing elastic clamping parts 67, 67 on both sides thereof by bending a flat elastic metal plate into a substantially U shape. On the other hand, terminal contact patterns 71 and 71 are formed on the surface of the synthetic resin film 31 that contacts the terminal surfaces 61 and 61 of the chip type light emitting element 60 by screen printing or the like. Circuit patterns 73 and 73 are drawn out from the terminal contact patterns 71 and 71, respectively. Although not shown, the circuit patterns 73 and 73 are drawn out to the lead-out portion 33 of the switch electrode sheet 30. Further, outside the three sides excluding the opposing sides of the terminal contact patterns 71 and 71, cutout portions 37 and 37 each having a U-shaped through hole are provided along the outside. 4A, the chip-type light emitting element 60 is placed on the synthetic resin film 31. At this time, the terminal surfaces 61, 61 of the chip-type light emitting element 60 are placed on the terminal contact patterns 71, 71 of the synthetic resin film 31, respectively. Then, the holding member 65 is pressed against the lower surface of the synthetic resin film 31. At this time, the portions where the terminal contact patterns 71, 71 of the synthetic resin film 31 are provided are pushed up by the elastic holding portions 67, 67. As shown in (b), the terminal surface 61, 61 of the chip type light emitting element 60 is sandwiched together with the portion of the synthetic resin film 31 provided with the terminal contact patterns 71, 71. Thus, the mechanical fixing of the chip-type light emitting element 60 to the synthetic resin film 31 and the electrical connection between the terminal surfaces 61 and 61 and the terminal contact patterns 71 and 71 can be performed simultaneously.

  Referring back to FIG. 1 (3), the antistatic sheet 80 is provided with a metal layer 87 on one surface (upper surface) of a synthetic resin film 81 (for example, PET film) 81 having substantially the same outer shape as the switch electrode sheet 30. It is configured. An adhesive layer 89 is provided on the other surface (lower surface). In this embodiment, the metal layer 87 is formed by attaching a metal foil (aluminum foil). However, a metal thin film may be formed on the surface of the synthetic resin film 81 by physical vapor deposition, chemical vapor deposition, or the like. . On the other hand, the adhesive layer 89 is formed by directly applying an adhesive layer on the surface of the synthetic resin film 81, and the same structure as the adhesive layer 10 is attached to the lower surface of the antistatic sheet 80. You may comprise by. Further, an element insertion portion 83 penetrating vertically is provided at a position of the antistatic sheet 80 facing the chip light emitting element 60 fixed to the switch electrode sheet 30, and from the outer periphery of the antistatic sheet 80. The drawer portion 85 is pulled out. The synthetic resin film 81 constituting the antistatic sheet 80 has a thickness of 25 μm, the metal layer 87 has a thickness of 12 μm, and the adhesive layer 89 has a thickness of 50 μm.

  As shown in FIGS. 1 (2) and 2 (2), the sheet-like connecting member 100 is made of a synthetic resin film having flexibility (for example, a PET film having a thickness of 75 μm), and is circular. The four arm portions 103 are formed so as to protrude from the base portion 101. In the center of the base 101, an insertion hole 105 for inserting a pressing portion 111 of the pressing knob 110 described below and a locking hole 107 for inserting and locking a positioning projection 113 of the pressing knob 110 are provided. An insertion fixing portion 108 for inserting and fixing a convex fixing portion 125 provided on the lower surface of the swing knob 120 described below is provided at an intermediate position, and a fixing portion of the case 130 described below is provided at the tip portion of the arm portion 103. An insertion fixing portion 109 for inserting and fixing 135 is provided.

  The pressing knob 110 is formed by molding a molding resin (for example, ABS resin) into a substantially disk shape, and a pressing portion 111 is provided protruding from the center of the lower surface, and positioning protrusions 113 are provided around the pressing portion 111. Protrusively provided. A flange 115 is provided so as to protrude from the outer periphery of the pressing knob 110.

  The swing knob 120 is formed by molding resin (for example, ABS resin) into a substantially disk shape, and an insertion hole 121 for inserting the pressing knob 110 from the lower surface side is provided at the center thereof. On the lower surface, four pressing portions 123 are provided protruding at equal intervals on the same circumference, and one fixing portion 125 is provided protruding at a position between the pressing portions 123. A flange 126 is provided so as to protrude from the outer periphery of the swing knob 120. On the outer periphery of the lower portion of the insertion hole 121, a concave flange portion insertion portion 127 having a diameter slightly larger than the insertion hole 121 into which the flange portion 115 of the pressing knob 110 is inserted is provided.

  As shown in FIGS. 1 (1) and 2 (1), the case 130 has a plate shape made of molded resin (for example, ABS resin), and is formed by molding the switch electrode sheet 30 into substantially the same outer shape. Yes. An insertion hole 131 into which the entire swing knob 120 including the collar 126 is inserted is provided in a portion of the case 130 where the swing knob 120 is located. In addition, a concave connection member attachment portion 133 is provided on the peripheral surface on the back surface side of the insertion hole 131 to insert and attach the distal end portion of the arm portion 103 of the connection member 100, and is provided on the bottom surface of the connection member attachment portion 133. Is provided with a protruding fixing portion 135 to be inserted into the insertion fixing portion 109 of the connecting member 100. The case 130 has a thickness of 1.17 mm, for example.

  In addition, a substantially disk-like switch pressing member 137 is installed at a position of the case 130 facing each switch 40 of the switch electrode sheet 30. The switch pressing member 137 is provided with an opening 139 around the switch pressing member 137, and the switch pressing member 137 is connected to the case 130 by a hinge portion 141 having a thickness that can be easily bent between the switch pressing member 137 and the inner peripheral portion of the opening 139 of the case 130. Is molded. On the lower surface of each switch pressing member 137, a protruding pressing portion 138 that presses the center of the reversing plate 50 of each switch 40 is provided.

  Further, an insertion portion 143 penetrating in a rectangular shape having a size for inserting the chip type light emitting element 60 attached to the switch electrode sheet 30 of the case 130 is provided. The inner peripheral side surface of the insertion portion 143 has a guide surface 146 that expands in a tapered shape toward its lower surface. The reason why the guide surface 146 is provided is to guide the insertion of the chip light emitting element 60 and to store the chip light emitting element 60 easily and reliably when the chip light emitting element 60 is stored from below the insertion portion 143. . In addition, two thin columnar fixing portions 145 are provided to protrude in the vicinity of the insertion portion 143 on the upper surface of the case 130.

  An adhesive layer 150 is attached to the lower surface of the case 130. The adhesive layer 150 is configured by attaching an adhesive layer to both surfaces of a flexible insulating sheet (nonwoven fabric in this embodiment). An opening 151 having substantially the same shape as the insertion hole 131, the opening 139, and the insertion portion 143 is provided at a position facing the insertion hole 131, the opening 139, and the insertion portion 143 provided in the case 130 of the adhesive layer 150. ing. The thickness of the adhesive layer 150 is, for example, 90 μm.

  The protective sheet 160 is formed by forming a transparent synthetic resin film (for example, PET film) in a size and shape so as to cover the insertion portion 143 and the fixing portion 145 provided in the case 130, and an adhesive layer 170 is provided on the lower surface thereof. ing. A locking hole 161 for inserting and locking the convex fixing portion 145 is provided in a portion of the protective sheet 160 facing the fixing portion 145. As shown in FIG. 2A, the adhesive layer 170 is provided on the entire lower surface of the protective sheet 160 excluding the portion of the surface facing the insertion portion 143. The adhesive layer 170 is formed by directly applying an adhesive layer to the surface (lower surface) of the protective sheet 160. The adhesive layer 170 is configured by sticking to the protective sheet 160 what is configured similarly to the adhesive layer 10. May be. In addition, the thickness of the synthetic resin film which comprises the protective sheet 160 is 188 micrometers, for example, and the thickness of the contact bonding layer 170 is 90 micrometers, for example.

  The nameplate 180 is formed by printing a desired pattern (not shown) on the lower surface of a transparent translucent synthetic resin film (for example, PET film). An adhesive layer 200 having the same configuration as that of the adhesive layer 10 is attached to the lower surface. Here, an insertion hole 181 is provided in a portion of the nameplate 180 facing the insertion hole 131 of the case 130. The inner diameter of the insertion hole 181 is formed such that the upper portion of the swing knob 120 excluding the flange portion 126 is inserted.

  The adhesive layer 200 includes a circumferential portion having a predetermined width around the insertion hole 181 (collar portion relief portion 201) and a portion facing the opening 139 of the case 130 (in other words, the switch pressing member 137 and the hinge portion of the opening 139). 141) and a portion facing the insertion portion 143 of the case 130 are not provided. The reason why the collar portion relief portion 201 is provided is to prevent the adhesive layer 200 from touching the collar portion 126 of the swing knob 120, and the adhesive layer 200 is provided on the portion of the case 130 that faces the insertion portion 143. The reason for not providing the light is to guide the light of the chip-type light emitting element 60 installed thereunder onto the nameplate 180 without being attenuated. The reason why the adhesive layer 200 is provided on the portion facing the switch pressing member 137 is to bond the switch pressing member 137 to the name plate 180 so that the operations of the name plate 180 and the switch pressing member 137 are integrated. The name plate 180 has a thickness of, for example, 100 μm, and the adhesive layer 200 has a thickness of, for example, 90 μm.

  Next, a method for assembling the seat switch 1 will be described. First, as shown in FIGS. 1 (2) and 2 (2), the pressing knob 110 is inserted into the insertion hole 121 of the swing knob 120 from the lower surface side, and the connecting member 100 is further disposed below the pressing knob 110. At this time, the pressing portion 111 and the positioning projection 113 on the lower surface of the pressing knob 110 are inserted into the insertion hole 105 and the locking hole 107 of the connecting member 100, respectively, and the fixing portion 125 on the lower surface of the swing knob 120 is the insertion fixing portion of the connecting member 100. 108 is inserted. Then, these members are integrated by thermally crimping the front end of the fixing portion 125 on the lower surface side of the connecting member 100.

  Then, the integrated swing knob 120 or the like is inserted into the insertion hole 131 of the case 130 from below, and at this time, the tip portion of the arm portion 103 of the connecting member 100 is stored in the connecting member attaching portion 133 of the case 130. Then, the fixing portion 135 of the case 130 is inserted into the insertion fixing portion 109 of the connecting member 100, and the tip of the fixing portion 135 is fixed by heat caulking.

  On the other hand, a protective sheet 160 is attached in advance with an adhesive layer 170 so as to cover the insertion portion 143 on the upper surface of the case 130. At this time, the locking hole 161 of the protective sheet 160 is inserted and locked into the fixing portion 145 of the case 130 to prevent the positional deviation.

  Next, the adhesive layer 10 with the release sheet 20 attached is attached to the lower surface of the switch electrode sheet 30 to which the chip-type light emitting element 60 is attached in advance as described above, and then the adhesive layer 89 is applied to the upper surface of the switch electrode sheet 30. The antistatic sheet 80 is attached, and then the case 130 with the adhesive layer 150 attached to the lower surface thereof is attached to the upper surface of the antistatic sheet 80. And if the nameplate 180 is affixed on the upper surface of the case 130 by the adhesive layer 200, the sheet switch 1 is completed.

  As described above, the sheet switch 1 according to the present embodiment has the antistatic sheet 80, the case 130, the protective sheet 160, and the name plate 180 on the switch electrode sheet 30 having the adhesive layer 10 bonded to the lower surface. Can be assembled simply by bonding them with the adhesive layers 89, 150, 170, 200, respectively, and the assembling work is easy, and a separate mechanical fixing means is not required for laminating and integrating these members. Therefore, the thickness of the sheet switch 1 can be easily reduced. The entire thickness of the sheet switch 1 is about 1.8 mm and is thin. In other words, in such a thin sheet switch 1, it is possible to easily install a large number of pressing switches, switches having other functions such as a planar multi-directional pressing switch mechanism, and other electronic components. In addition, since the sheet switch 1 is provided with the adhesive layer 10 on the lower surface of the switch electrode sheet 30, the sheet switch 1 can be easily fixed to the operation portion of the electric device.

  Next, the operation of the seat switch 1 will be described. FIG. 5 is an enlarged side sectional view of the switch 40 portion of the assembled seat switch 1. As shown in the figure, the switch 40 is configured by installing a reversal plate 50 on a contact pattern 41 formed on the synthetic resin film 31 with a predetermined interval, and the upper surface of the switch 40 is covered with an antistatic sheet 80. Further, the pressing portion 138 of the switch pressing member 137 abuts at a position facing the center of the reverse plate 50 on the antistatic sheet 80, and the name plate 180 is bonded to the upper surface of the switch pressing member 137 by the adhesive layer 200. Yes. On the other hand, the two air vent holes 35 provided in the switch electrode sheet 30 communicate with the air vent grooves 11 provided in the adhesive layer 10, respectively, whereby the reversing plate 50 whose upper surface is sealed by adhesion of the antistatic sheet 80. And the space between the synthetic resin film 31 and the outside air. When the nameplate 180 is pressed from above the switch pressing member 137, the switch pressing member 137 is lowered, the pressing portion 138 presses the reverse plate 50 and reverses it, and the center lower surface abuts on the contact pattern 41. The switch turns on. When the pressure on the nameplate 180 is released, the reverse plate 50 automatically returns to its original shape by the elastic return force of the reverse plate 50, and the switch is turned off. Even when the nameplate 180 is pressed, even if an electrostatically charged finger or the like approaches the switch 40, the drawer portion 85 (see FIG. 1 (3)) of the antistatic sheet 80 is grounded. The static electricity is grounded by the metal layer 87 provided on the antistatic sheet 80 and does not enter the switch 40. Further, the metal layer 87 provided on the antistatic sheet 80 also has an effect of preventing generation of vibrations and sounds that occur when the reversing plate 50 is reversed.

  FIG. 6 is a schematic sectional side view of a multidirectional pressing switch mechanism portion including five multidirectional pressing switches provided with the swing knob 120 and the pressing knob 110 of the sheet switch 1. As shown in FIG. 1 (3), the five multidirectional pressing switches have one multidirectional pressing switch 40A located at the center operated by the pressing knob 110, and are arranged at equal intervals on the outer periphery thereof. Four multidirectional pressing switches 40A that are operated by the swing knob 120 are arranged. As shown in FIG. 6, the pressing knob 110 is held at the position where the flange portion 115 is installed between the flange portion insertion portion 127 of the swing knob 120 and the connecting member 100. 120 is fixed to the case 130 by the connecting member 100. The flange 126 of the swing knob 120 is opposed to the surface of the flange flank 201 where the adhesive layer 200 on the lower surface of the nameplate 180 is not applied. When the pressing knob 110 is pressed, the pressing portion 111 presses / inverts the reversing plate 50 facing the pressing knob 111 and turns on the multidirectional pressing switch 40A. On the other hand, if a predetermined position of the swinging knob 120 is pressed, any pressing portion 123 positioned below presses and reverses the reversing plate 50 facing it, and turns on the multidirectional pressing switch 40A.

  FIG. 7 is an enlarged side sectional view of a portion where the chip type light emitting element 60 of the sheet switch 1 is installed. As shown in the figure, the chip-type light emitting element 60 fixed to the switch electrode sheet 30 by a clamping member 65 which is a mechanical fixing means is housed in an insertion portion 143 of the case 130. And the protective sheet 160 is installed in the upper part of the insertion part 143 so that this may be covered. Further, a nameplate 180 is installed so as to cover the protective sheet 160. When the chip-type light emitting device 60 is turned on, the light is transmitted through a transparent protective sheet 160 and a transparent name plate 180 on the lower surface of which a desired printed pattern is formed. Brightly illuminate The printed pattern may be, for example, a thin printed pattern that transmits light, or may be a letter or the like. Since the adhesive layer 200 is not provided on the surface of the lower surface of the nameplate 180 positioned above the insertion portion 143, the adhesive layer 200 does not hinder the passage of light. On the other hand, if the nameplate 180 on the upper portion of the insertion portion 143 is accidentally pressed with a finger or the like so as to press the switch, the nameplate 180 is formed thin (100 μm) to press the switch. Since the protective sheet 160 having a larger thickness (188 μm) is installed, the nameplate 180 is prevented from being lowered by pressing, and the chip-type light emitting element 60 is not pressed. Can be protected. Since the protective sheet 160 is also attached by adhesion, the assembly is easy and the thickness can be reduced.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Deformation is possible. It should be noted that any shape, structure, and material not directly described in the specification and drawings are within the scope of the technical idea of the present invention as long as the effects and advantages of the present invention are exhibited. For example, in the above embodiment, the adhesive layer is configured by adhering an adhesive layer to both surfaces of a flexible insulating sheet (nonwoven fabric). However, the adhesive layer is an adhesive layer made of an adhesive layer itself without an insulating sheet. May be. Further, for example, in the above embodiment, the chip-type light emitting element is attached as the chip-type electronic component. However, the electronic component attached to the switch electrode sheet 30 is not limited to this, and may be other various chip-type electronic components. Various electronic components may be used. In the above embodiment, the antistatic sheet 80 is interposed between the switch electrode sheet 30 and the case 130 in order to prevent intrusion of static electricity. However, the antistatic sheet 80 may be omitted in some cases. . The switch structure formed on the switch electrode sheet can be variously modified. For example, as a switch electrode sheet, a switch is formed by providing contact patterns on opposite surfaces of two synthetic resin films, and these contact patterns are opposed to each other through a predetermined gap, and further, one of the contact patterns is provided. A reverse plate (click plate) is attached to the back side of the resin film, and the reverse plate is pressed by the switch pressing member 137 of the case 130 and reversed so that the one contact pattern is pressed against and brought into contact with the other contact pattern. Thus, the switch may be turned on.

It is a disassembled perspective view (the 1) of sheet switch 1 concerning one embodiment of the present invention. It is a disassembled perspective view (the 2) of the sheet switch 1 concerning one embodiment of the present invention. It is a disassembled perspective view (the 3) of the sheet switch 1 concerning one embodiment of the present invention. It is the disassembled perspective view which looked at the components corresponding to FIG. 1 (1) from the back surface side. It is the disassembled perspective view which looked at the components corresponding to FIG.1 (2) from the back surface side. It is a principal part expansion disassembled perspective view of switch 40 part. FIGS. 4A and 4B are diagrams illustrating a method of attaching the chip-type light emitting element 60 to the switch electrode sheet 30, in which FIG. 4A is an exploded perspective view and FIG. 4B is an assembled perspective view. FIG. 3 is an enlarged side sectional view of a switch 40 portion of the sheet switch 1. 3 is a schematic sectional side view of a portion where a swing knob 120 and a pressing knob 110 of the sheet switch 1 are provided. FIG. FIG. 3 is an enlarged side sectional view of a portion where a chip-type light emitting element 60 of the sheet switch 1 is provided.

Explanation of symbols

1 Seat switch (switch operation plate)
DESCRIPTION OF SYMBOLS 10 Adhesive layer 11 Air vent groove 20 Release sheet 30 Switch electrode sheet 31 Synthetic resin film 33 Drawer part 35 Air vent hole 37 Notch part 40 Switch 41 Contact pattern (fixed contact)
43 Connection pattern 47, 49 Circuit pattern 50 Reverse plate (movable contact)
60 Chip-type light emitting devices (chip-type electronic components, electronic components)
61 Terminal surface 65 Clamping member 67 Bounce and clamping part 71 Terminal contact pattern 73 Circuit pattern 80 Antistatic sheet 81 Synthetic resin film 83 Element insertion part 85 Drawer part 87 Metal layer 89 Adhesive layer 100 Connecting member 103 Arm part 110 Press knob 111 Pressing part 120 Swing knob 121 Inserting hole 123 Pressing part 130 Case 131 Inserting hole 137 Switch pressing member 138 Pressing part 139 Opening 141 Hinge part 143 Inserting part 150 Adhesive layer 151 Opening part 160 Protection sheet 170 Adhesive layer 180 Name plate 181 Insertion hole 200 Adhesive layer

Claims (5)

On the switch electrode sheet formed by forming a switch at a predetermined position, at least,
A case made of a molded resin and integrally formed with a switch pressing member at a position facing the switch;
Install a nameplate covering the surface of the case,
A sheet switch characterized in that all of the laminated switch electrode sheet, case and nameplate are bonded and integrated with an adhesive layer, and an adhesive layer is also provided on the lower surface of the switch electrode sheet. In the switch electrode sheet, in addition to the switch, a multidirectional pressing switch comprising a plurality of switches is installed in a plane,
The seat switch according to claim 1, wherein the case is provided with an insertion hole for inserting a pressing knob and / or a swinging knob for pressing and operating the multidirectional pressing switch.   3. A connecting member attaching portion for attaching a sheet-like connecting member for holding the pressing knob and / or the swinging knob at the position of the insertion hole is provided around the insertion hole. The seat switch described in 1.   An antistatic sheet for shielding static electricity incident on the switch electrode sheet is interposed between the switch electrode sheet and the case, and the antistatic sheet is also bonded to the switch electrode sheet and the case, respectively. The sheet switch according to claim 1, 2 or 3, wherein the sheet switch is bonded and integrated.   An electronic component is fixed to the switch electrode sheet, and the case is provided with an insertion portion through which the electronic component is inserted so as to penetrate vertically, and a name plate is provided between the upper case and the name plate of the insertion portion. The sheet switch according to claim 1, 2, 3, or 4, wherein a protective sheet that prevents the electronic component from being pressed from above is bonded and integrated.

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