KR100846325B1 - Contact adhesive sheet and input apparatus - Google Patents

Abstract

assignment

Provided is a sheet with a contact that can secure excellent mountability and can improve dust resistance.

Resolution

A contact accommodating portion 2c for holding the movable contact 5 and accommodating the movable contact 5 in a sheet-shaped electronic element component, for example, an EL sheet 1, and an air groove communicating with this contact accommodating portion 2c ( The bypass part which laminates and integrates the insulating sheet 2 which has 2d), and simultaneously forms the contact accommodating part 2c and the air groove 2d of the insulating sheet 2, and the edge part of the EL sheet 1 ( At a predetermined position where 1c is adjacent, an extension portion 2a extending outward from the bypass portion 1c of the EL sheet 1 is formed in the insulating sheet 2, and the bypass portion of the EL sheet 1 ( It has a structure which thickly formed the contact part 2c of 1c) and the wall parts 2e and 2f of the air groove 2d.

Attachment sheet, input device

Description

Contact Sheet and Input Device {CONTACT ADHESIVE SHEET AND INPUT APPARATUS}

BRIEF DESCRIPTION OF THE DRAWINGS It is a top view which shows one Embodiment of the sheet | seat with a contact which concerns on this invention.

FIG. 2 is an enlarged view of the A-A cross section of FIG. 1.

Fig. 3 is a view showing a state in which an EL sheet and an insulating sheet constituting an embodiment of a sheet with a contact according to the present invention are laminated and integrated, and Fig. 3 (a) is a plan view and Fig. 3 (b) is a back view. .

4 is a plan view showing an EL sheet constituting an embodiment of a sheet with a contact according to the present invention.

It is a top view which shows the insulating sheet which comprises one Embodiment of the sheet | seat with a contact which concerns on this invention.

6 is a sectional view showing the principal parts of one embodiment of an input device according to the present invention.

* Description of the symbols for the main parts of the drawings *

1 EL Sheet (Sheet Type Electronic Component Parts) [First Sheet]

1a dimmer

1b input

1c bypass

2 insulating sheet [second sheet]

2a extension

2b hole

2c contact receptacle

2d air groove

2e wall

2f wall

3 peeling sheets

4 protective sheets

5 movable contacts

10 switch board

10a center fixed contact

10b peripheral fixed contact

Seat with 11 contacts

12 screws

13 Parts

14 cases

15 Control Panel

15a pressurization

[Patent Document 1] Japanese Unexamined Patent Publication No. 2001-14973

The present invention relates to a sheet with a contact formed by laminating a first sheet for holding a movable contact, a second sheet having a contact receiving portion for receiving a movable contact, and an input device provided with such a sheet with a contact.

This kind of prior art is shown in Patent Document 1. In the prior art, the sheet with a contact is bonded to a first sheet made of an insulating film coated with an adhesive on a lower surface, a movable contact on a metal dome held in the first sheet, and a lower surface of the first sheet, It is a structure provided with the 2nd sheet | seat which has a some accommodation hole which accommodates a movable contact, ie, a contact accommodating part. Moreover, the structure also provided with the connection groove | channel connected to a contact accommodating part, ie, the air groove which enables air movement in a 2nd sheet | seat.

In addition, the sheet switch in the prior art in which the above-mentioned sheet with a contact sheet is provided, that is, the input device is provided with a circuit board having a fixed contact, and on this circuit board, the sheet with the contact has its movable contact fixed to the circuit board. It is arrange | positioned so that it may oppose a contact, and it laminated | stacked and is integrated structure.

In addition, although the said prior art contact sheet is not specified in patent document 1, it is actually formed in the external shape which does not contact another component mounted in a circuit board, ie, the external shape which bypasses another component.

In the above-described prior art, since the sheet with a contact has an outer shape bypassing other components, the sheet with a contact and another component can be arranged in close proximity on the circuit board, and excellent mountability can be ensured. .

However, in the part of the sheet with a contact which adjoins another component, since such a sheet with a contact becomes a shape which bypasses another component, the edge part of a sheet with a contact and the contact of the 2nd sheet contained in this contact sheet are The spacing of the accommodating portion becomes very small, and the wall portion forming this contact accommodating portion tends to be thin. Therefore, there exists a possibility that dust may invade into a contact accommodation part from the exterior.

SUMMARY OF THE INVENTION The present invention has been made from the above-described problems in the prior art, and its object is to provide a sheet with a contact and an input device capable of ensuring excellent mountability and improving dust resistance.

Means to solve the problem

In order to achieve this object, the sheet with a contact of the present invention is a sheet with a contact formed by stacking and integrating a second sheet having a contact accommodating portion in which the movable contact is accommodated on a first sheet holding a movable contact, wherein the second is a sheet with a contact. At a predetermined position where the contact accommodating portion of the sheet and the end of the first sheet are adjacent, an extension portion extending outward from the end of the first sheet is formed in the second sheet.

The sheet with a contact of the present invention configured as described above has the first sheet formed in a shape that bypasses other components, whereby the first sheet and the other component can be disposed close to each other when mounted on a switch board or a case body, thereby providing excellent mounting. The castle can be secured. Moreover, in the bypass shape part of a 1st sheet | seat, ie, the predetermined part which a contact point of a 2nd sheet | seat and the edge part of a 1st sheet adjoins, the extension part which a 2nd sheet extends outward rather than the edge part of a 1st sheet | seat Since it has, the wall part of the contact accommodating part of a 2nd sheet | seat can be thickened by this extension part. As a result, intrusion of dust into the contact receiving portion from the outside can be prevented, and excellent dust resistance can be ensured.

Further, in the above invention, the sheet with a contact of the present invention forms an air groove in the second sheet that communicates with the contact receiving portion and enables air movement in the second sheet. In a predetermined position where the groove and the end of the first sheet are adjacent, an extension part extending outward from the end of the first sheet is formed in the second sheet.

Since the sheet with a contact of this invention comprised in this way forms the air groove which communicates with the contact accommodating part of a said 2nd sheet | seat in a 2nd sheet | seat, the air groove | channel of the contact accommodating part of a 2nd sheet | seat is operated at the time of operation of a movable contact. It can flow in and out. Moreover, in the bypass shape part of a 1st sheet | seat, ie, in the predetermined position which the air groove of a 2nd sheet | seat and the edge part of a 1st sheet adjoin, the 2nd sheet has an extension part which extends outward rather than the edge part of a 1st sheet | seat. Therefore, the wall part of the air groove of a 2nd sheet | seat can be thickened by this extension part. As a result, intrusion of dust into the air grooves from the outside can be prevented, and excellent dust resistance can be ensured.

Moreover, in the sheet | seat with a contact of this invention, the hole part which can attach a predetermined component to the said extension part of the said 2nd sheet was formed, It is characterized by the above-mentioned.

When the sheet with a contact of the present invention configured as described above is mounted on a switch substrate, a case body or the like, it is mounted so that another component is interposed between the extension part of the second sheet via a hole formed in the extension part of the second sheet. The other part and the first sheet can be brought close to each other.

In the sheet with a contact of the present invention, the first sheet is made of a sheet-like electronic element component, and the second sheet is made of an insulating sheet.

The sheet with a contact of the present invention configured as described above can include a sheet-like electronic element component such as, for example, an EL sheet in the sheet with a contact, and can improve the function of the sheet with a contact.

Moreover, in the sheet | seat with a contact of this invention, an adhesion part is formed in the surface on the opposite side to the surface where the said 1st sheet of the said 2nd sheet is laminated | stacked, and this adhesive part has a peeling sheet which can peel from the said 2nd sheet | seat. It is characterized by being bonded.

The sheet with a contact of this invention comprised in this way is peeled off a peeling sheet in mounting to a switch board | substrate, a case body, etc., and the adhesive part of a 2nd sheet | seat is exposed, and the sheet | seat with a contact body is a switch board | substrate or case body through this adhesive part. It can be easily attached to a back.

Moreover, in order to achieve the said objective, the input device of this invention laminates | stacks said any one contact sheet on a switch board | substrate, and makes the said switch board | substrate so that the said movable contact and the fixed contact formed in the said switch board | substrate may face. And a sheet with a contact are integrated.

The input device of the present invention configured as described above forms the first sheet included in the sheet with contacts in a shape bypassing other components, whereby the first sheet of the sheet with contacts and other components can be arranged in close proximity, As a result, excellent mountability can be secured. Moreover, in the detour shape part of a 1st sheet, ie, the extension part which a 2nd sheet extends outward rather than the edge part of a 1st sheet in the predetermined position where the contact accommodating part of a sheet with a contact and the edge part of a 1st sheet are adjacent. Since it has, the wall part of the contact accommodating part of a 2nd sheet | seat can be thickened by this extension part. As a result, intrusion of dust into the contact receiving portion from the outside can be prevented, and excellent dust resistance can be ensured.

Best Mode for Carrying Out the Invention

EMBODIMENT OF THE INVENTION Hereinafter, the best form for implementing the sheet | seat with a contact which concerns on this invention, and an input device is demonstrated based on drawing.

[Configuration of One Embodiment of Contact Attached Sheet]

1-5 is a figure explaining one Embodiment of the sheet | seat with a contact which concerns on this invention, FIG. 1 is a top view, FIG. 2 is an A-A cross-sectional enlarged view of FIG. Fig. 3 is a diagram showing a state in which an EL sheet and an insulating sheet constituting one embodiment of the sheet with a contact according to the present invention are laminated and integrated, and Fig. 3 (a) is a plan view and Fig. 3 (b) is a back view. . 4 is a plan view showing an EL sheet constituting an embodiment of a sheet with a contact according to the present invention, and FIG. 5 is a plan view showing an insulating sheet constituting an embodiment of a sheet with a contact according to the present invention.

The sheet with a contact of this embodiment is a 1st sheet which consists of sheet-like electronic element components which hold the movable contact 5, as shown in FIG. 1, 2, for example, the EL sheet 1 which consists of an EL element, and this EL It is provided with the 2nd sheet | seat, ie, the insulating sheet 2, which has the contact accommodating part 2c which adheres to the adhesive formed in the lower surface of the sheet | seat 1, and the movable contact 5 is accommodated.

As shown also in FIG. 3, in the EL sheet 1, the light control part 1a is formed in the position corresponding to each of the some movable contact 5, and the input part 1b is formed in one edge part. Moreover, the bypass part 1c formed in the shape which avoids contact with a predetermined | prescribed component is formed in the other edge part as mentioned later. It is formed in the movable contact 5 hold | maintained at the adhesive face of this EL sheet 1, and the dome shape which has a metal spring property.

As shown in FIGS. 3 and 5, the insulating sheet 2 laminated on the EL sheet 1 accommodates these contacts in addition to the contact accommodating portion 2c in which each of the plurality of movable contacts 5 described above is accommodated. It communicates with the part 2c and has the air groove 2d which enables air movement in the insulating sheet 2.

Moreover, especially in this insulating sheet 2, the contact accommodating part 2c, the air groove 2d, and the predetermined part which the edge part of the EL sheet 1 adjoins, ie, the bypass part 1c of the EL sheet 1, ), The extension part 2a which extends outward from the edge part of the EL sheet 1 is formed. In addition, the extension portion 2a is provided with a hole portion 2b that enables the installation of a predetermined component described later.

In addition, as shown in FIG. 2, in the sheet | seat with a contact of this embodiment, the adhesion part is formed in the surface on the opposite side to the surface on which the EL sheet 1 of the insulating sheet 2 is laminated | stacked, ie, the lower surface, The peeling sheet 3 which can peel from the insulating sheet 2 is adhere | attached.

The insulating sheet 2 and the peeling sheet 3 described above are housed in a predetermined punching mold, for example, in a state in which the insulating sheet 2 is bonded to the peeling sheet 3, and the insulating sheet ( 2) and the release sheet 3 are punched together, whereby the contact accommodating portion 2c and the air groove 2d are formed as through holes.

In the conveyance etc., the sheet | seat with a contact of this embodiment comprised as mentioned above adhere | attaches the peeling sheet 3 to the insulating sheet 2, and also shows a protective sheet () to the peeling sheet 3, as shown in FIG. 4) The process of conveyance etc. is performed in the state which stuck. Moreover, in mounting to a switch board | substrate, a case body, etc., by peeling off the protective sheet 4 and peeling off the peeling sheet 3, the adhesive part of the insulating sheet 2 is exposed and an EL sheet ( The sheet with a contact including the sheet 1) and the insulating sheet 2 is attached to a switch board, a case body or the like. The sheet with a contact of this embodiment comprised in this way is attached to an input device, and is utilized as described below.

6 is a sectional view showing the principal parts of one embodiment of an input device according to the present invention.

[Configuration of One Embodiment of Input Device]

As shown in this FIG. 6, the input device of this embodiment is a switch board | substrate 10 with which the some fixed contact which consists of the combination of the center fixed contact 10a and the peripheral fixed contact 10b was formed, and the movable contact mentioned above. A sheet 11 with a contact including an EL sheet 1 holding an insulating sheet 5 and an insulating sheet 2 is provided. Further, each of the movable contacts 5 of the insulating sheet 2 and the fixed contacts including the center fixed contact 10a and the peripheral fixed contact 10b formed on the switch substrate 10 are opposed to each other. These switch board | substrates 10 and the sheet | seat 11 with a contact are integrated. The movable contact 5 is always connected to the peripheral fixed contact 10b, and is selectively connected to the center fixed contact 10a.

Moreover, the predetermined | prescribed component 13 (for example, by screw 12 inserted in the hole part 2b formed in the extension part 2a of the insulating sheet 2 extended from the edge part of the EL sheet 1), The mounting frame made of metal) was mounted so as to sandwich the extension portion 2a, and was placed close to the bypass portion 1c of the EL sheet 1.

The upper part of the sheet with a contact 11 is covered by the case 14, and the case 14 is attached so that the some operation part 15 may move up and down. The operation part 15 is able to pressurize the part of the light control part 1a of the EL sheet 1 in which the press part 15a which forms the lower part of this operation part 15 is formed corresponding to the movable contact 5. That is, it is arrange | positioned so that the movable contact 5 can be pressed through the light control part 1a.

In the input device of this embodiment comprised in this way, in the state shown in FIG. 6, since the movable contact 5 of the sheet | seat 11 with a contact is separated from the center fixed contact 10a of the switch board 10, it is centered. The fixed contact 10a and the peripheral fixed contact 10b are cut off, and are switched off. In this state, when the operation unit 15 is pressed downward, the pressing unit 15a of the operation unit 15 presses the movable contact 5 through the EL sheet 1, and the movable contact 5 is tactile feedback. is inverted with a feedback) and connected to the center fixed contact 10a. Thereby, the center high point contact 10a and the peripheral fixed contact 10b are connected through the movable contact 5, and it is switched on.

[Effect of one Embodiment of contact bonding sheet]

According to one embodiment of the sheet with a contact structure configured as shown in FIGS. 1 to 5 described above, the EL sheet 1 is formed in a shape of bypassing other components, that is, in a shape having a bypass portion 1c. As shown in Fig. 6, when mounted on the switch substrate 10 or when mounted on a separate case or the like, the EL sheet 1 and other components can be arranged in close proximity, thereby ensuring excellent mounting properties. In the bypass portion of the EL sheet 1, that is, at a predetermined location where the contact receiving portion 2c and the air groove 2d of the insulating sheet 2 and the end of the EL sheet 1 are close to each other, Since the insulating sheet 2 has the extension part 2a which extends outward from the edge part of the EL sheet 1, as shown in FIG. 3 by this extension part 2a, the contact accommodating of the insulating sheet 2 is accommodated. The wall part 2e of the part 2c and the wall part 2f of the air groove 2d can be thickened. As a result, intrusion of dust into the contact accommodating portion 2c and the air groove 2d from the outside can be prevented, and excellent dust resistance can be ensured. By these, a highly reliable sheet with a contact is obtained.

3 and 5, an air groove in which the insulating sheet 2 communicates with the contact receiving portion 2c of the insulating sheet 2 and enables air movement in the insulating sheet 2 is allowed. Since 2d is formed, the air of the contact accommodating part 2c of the insulating sheet 2 can flow in and out of the air groove 2d at the time of the operation of the movable contact 5. Thereby, the operation touch of the movable contact 5 can be ensured.

Moreover, the EL sheet 1 can be included in the sheet with a contact of this embodiment, and the function of this sheet with a contact can be improved.

In addition, the adhesive sheet of the contact sheet 2 of the present embodiment is bonded to the release sheet 3, and the protective sheet 4 is adhered to the release sheet 3, thereby adhering the outside of the adhesive portion of the insulating sheet 2. The exposure to the furnace can be prevented, so that smooth conveyance and the like can be realized. Moreover, in mounting to a switch board | substrate, a case body, etc., peeling off the protective sheet 4 and peeling off the insulating sheet 3, EL sheet | seat 1 and insulating sheet (through the adhesive part of the insulating sheet 3) This contact attachment sheet including 2) can be easily attached to the switch board 10, the case body, or the like.

[Effect of one embodiment of input device]

According to one embodiment of the input device configured as shown in FIG. 6 described above, the bypass portion 1c which bypasses the component 13 by the EL sheet 1 included in the sheet 11 with contact as described above. By forming it in the shape having the shape of N 1), the EL sheet 1 and the component 13 of the sheet 11 with contact can be disposed close to each other on the switch substrate 10, thereby ensuring excellent mountability.

In the bypass shape of the EL sheet 1, that is, at a predetermined position where the contact receiving portion 2c of the insulating sheet 2 of the sheet 11 with contacts and the end of the EL sheet 1 are close to each other. Since the insulating sheet 2 has an extension portion 2a extending outward from the end of the EL sheet 1, the contact portion of the insulating sheet 2 is accommodated as described above by the extension portion 2a. The portion 2c and the wall portions 2e and 2f of the air groove 2d can be thickened. As a result, intrusion of dust into the contact accommodating portion 2c and the air groove 2d from the outside can be prevented, and excellent dust resistance can be ensured. As a result, a highly reliable input device is obtained.

Since the sheet | seat with a contact of this invention and an input device are excellent in mountability, and the extension part which extends outward rather than the edge part of a 1st sheet | seat was formed in the 2nd sheet | seat of the contact | attachment sheet, it is hold | maintained in a 1st sheet | seat. The wall portion of the contact receiving portion of the second sheet in which the movable contact can be accommodated can be thickened, thereby preventing the intrusion of dust into the contact receiving portion from the outside and improving the dust resistance. As a result, high reliability can be ensured as compared with the related art.

Claims (8)

A sheet with a contact formed by stacking and integrating a second sheet having a contact accommodating portion for accommodating the movable contact in a first sheet for holding a movable contact, In a predetermined position where the contact accommodating portion of the second sheet and the end of the first sheet are proximate, an extension portion extending outward from the end of the first sheet is formed in the second sheet. Sheet. The method of claim 1, In the second sheet, while forming an air groove in communication with the contact receiving portion and allowing air movement in the second sheet, The predetermined | prescribed location which this air groove and the edge part of a said 1st sheet adjoin WHEREIN: The extension sheet which extends outward rather than the edge part of a said 1st sheet is formed in the said 2nd sheet, The sheet with a contact characterized by the above-mentioned. The method of claim 1, The sheet | seat with a contact point formed the hole part which enables attachment of a predetermined | prescribed part to the said extension part of the said 2nd sheet | seat. The method of claim 1, The first sheet is made of a sheet-shaped electronic element component, and the second sheet is made of an insulating sheet. The method of claim 1, An adhesive part is formed in the surface on the opposite side to the surface where the said 1st sheet is laminated | stacked of the said 2nd sheet | seat, and the peeling sheet which can peel from the said 2nd sheet | seat was adhere | attached on this adhesion part, The sheet with a contact point characterized by the above-mentioned. The method of claim 1, And the contact accommodating portion is formed of a through hole, and a movable contact on a dome having a metal spring property is accommodated in the through hole. The method of claim 4, wherein And said first sheet is made of an EL sheet (Electronic luminescence sheet). The switch board | substrate is laminated | stacked on the switch board | substrate in any one of said Claims 1-5, and these switch board | substrates are made to oppose the said movable contact and the fixed contact formed in the said switch board | substrate. And an input sheet with a contact.

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