JP2007335703A - Electronic component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic component whose structure is simple, which is easily assembled, which can be miniaturized, and which is capable of easily changing the display of light according to the movement position of a mobile body. <P>SOLUTION: The electronic component is a slidable variable resistor 1 which comprises an electronic component body 10, and a slidable mobile body 70 housed in the inside of the body such that it is freely moved in a sliding manner; and which changes electrical output by moving the slidable mobile body 70 in a sliding manner. Light display means 110 for displaying light corresponding to the sliding movement position of the slidable mobile body 70 is provided on the surface of a side for operating the slidable mobile body 70 of the electronic component body 10. The light display means 110 is constituted by fixing a light-emitting element 37 and a holding member 60 made of synthetic resin onto a light display pattern forming portion 23 which is a flexible circuit substrate 20. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electronic component capable of performing display with light according to a moving position of a moving body housed in the electronic component main body.

  Conventionally, when the periphery of an operation knob of a slide type variable resistor is illuminated with light, for example, a light guide made of a cylindrical transparent material is installed around the operation knob, and an LED or the like is provided on the lower surface side of the light guide A method of installing a light emitting element and guiding light emitted from the light emitting element to the tip of a light guide has been used (see, for example, Patent Document 1).

However, the conventional illumination mechanism has the following problems.
(1) Since the light guide, the light emitting element, and the like must be incorporated in the slide type variable resistor, the structure is complicated, the assembly is complicated, the cost is increased, and the downsizing is hindered.

(2) Although the area around the operation knob can be illuminated, the light that changes according to the movement position of the operation knob cannot be displayed.
JP-A-8-97014

  The present invention has been made in view of the above points, and its purpose is to simplify the structure, facilitate assembly, reduce the size, and easily change the display of light according to the moving position of the moving body. It is to provide an electronic component that can be used.

  The invention according to claim 1 of the present application includes an electronic component main body and a moving body that is movably accommodated therein, and the electronic component that changes electrical output by moving the moving body includes: The light display means for performing light display corresponding to the moving position of the moving body is configured by attaching a light emitting element to a sheet member or an EL sheet, and the light displaying means is the moving body of the electronic component main body. It is in the electronic component characterized by being installed on the surface on the operation side.

  The invention according to claim 2 of the present application resides in the electronic component according to claim 1, wherein a holding member made of synthetic resin is attached to the sheet member or the EL sheet by insert molding.

  According to a third aspect of the present invention, in the electronic component main body, a flexible circuit board for taking out an electrical output corresponding to the moving position of the moving body is installed in the electronic component main body, and further the sheet constituting the light display means The electronic component according to claim 1, wherein the member or the EL sheet is also formed of a flexible circuit board.

  According to the first aspect of the present invention, it is possible to easily manufacture the light display means that can change the light display according to the moving position of the moving body, and to display the light by the light display means. It can be easily seen from the side where the electronic component is operated.

  According to the second aspect of the present invention, the strength of the light display means is increased by the holding member, and this can be easily attached to the electronic component main body. The light display means can also be used as an upper case that covers the electronic component main body that houses the moving body.

  According to the third aspect of the present invention, the electrical output corresponding to the moving position of the moving body can be easily taken out of the electronic component, and the circuit connected to the optical display means can be easily connected to the outside of the electronic component. It can be pulled out.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[First Embodiment]
FIG. 1 is a perspective view of an electronic component (hereinafter referred to as “sliding variable resistor”) 1 according to a first embodiment of the present invention, and FIG. 2 is a schematic sectional view thereof. As shown in both figures, the slide type variable resistor 1 accommodates a movable body (hereinafter referred to as “slide movable body”) 70 in an electronic component main body 10 so as to be movable, and an upper surface (slide described below) of the electronic component main body 10. The light display means 110 that also functions as a case (upper case) is attached to the surface of the movable body 70 on which the operation knob 73 protrudes. Each component will be described below.

  FIG. 3 is an exploded perspective view of the slide type variable resistor 1. As shown in the figure, the electronic component main body 10 and the optical display means 110 are composed of a functional pattern forming unit 21 and an optical display pattern connected to one sheet member (hereinafter referred to as “flexible circuit board”) 20 by a connecting unit 25. A forming part 23 is provided, and a case 50 is formed around and on the bottom surface of the functional pattern forming part 21 to form the electronic component main body 10, and the upper surface of the optical display pattern forming part 23 (although it is the lower surface in FIG. 3) In fact, the upper surface is formed by folding back at the connecting portion 25, and hence the lower surface of the light display pattern forming portion 23 shown in FIG. 3 is hereinafter referred to as the upper surface (the same applies to FIGS. 4 and 5). The holding member 60 is formed to form the light display means 110.

  Here, FIG. 4 is a perspective view of the flexible circuit board 20 as viewed from the upper side which is the operation side, and FIG. 5 is a perspective view of the flexible circuit board 20 as viewed from the lower side. The flexible circuit board 20 is made of a single sheet of insulating and flexible synthetic resin film (for example, a thermoplastic polyethylene terephthalate (PET) film or a polyimide (PI) film, which may be a synthetic resin film of another material). As shown in both figures, the rectangular functional pattern forming part 21 and the rectangular light display pattern forming part 23 are connected by a belt-like connecting part 25. The functional pattern forming unit 21 is provided with a light emitting function circuit pattern 29 and an electric output circuit pattern 31 in parallel (parallel) to the longitudinal direction of the upper surface, and the functional pattern forming unit 21 and the light display pattern forming unit from one end thereof. A lead-out portion 33 is provided for drawing out the circuit pattern drawn out from the head 23 to the outside. The electrical output circuit pattern 31 is omitted in the pattern shape, but the resistance varies depending on the movement position of the slide moving body 70 by slidingly contacting the output slider 83 described below attached to the slide moving body 70. A circuit pattern group formed so as to have a value, which is drawn out to the circuit pattern of the lead-out portion 33. Although the pattern shape of the light emitting function circuit pattern 29 is omitted, in this embodiment, it is a circuit pattern for detecting the movement position of the slide moving body 70, and these are drawn out to a circuit pattern (not shown) of the drawing portion 33. ing.

  The light display pattern forming portion 23 is provided with an insertion portion 35 formed of a linear rectangular through hole into which an operation knob 73 of the slide moving body 70 described below is inserted at the center, as shown in FIG. A plurality of (six left and right six in this embodiment) light emitting elements (rectangular chip LEDs in this embodiment) 37 are attached at predetermined intervals (equal intervals in this embodiment) on both left and right sides of the insertion portion 35, and The insertion portion 39 is configured by a small hole penetrating through a plurality of positions (three in the left and right in this embodiment) while the light emitting element 37 is attached. A light emitting element drive circuit (not shown) is installed on a substrate (not shown) to which the leading end side of the lead-out portion 33 is connected, and an output of the light emitting function circuit pattern 29 is input to the light emitting element drive circuit. The drive power is supplied to each light emitting element 37 from the drive circuit. This light emitting element driving circuit is a circuit for changing and displaying the light emitting state of each light emitting element 37 in accordance with the output of the light emitting function circuit pattern 29. For example, the slide moving body 70 is slid from one end side. As a result, one or two light emitting elements 37 are turned on. Finally, each light emitting element 37 is driven so that all the light emitting elements 37 are turned on, or the slide moving body 70 is slid and moved. Each light emitting element 37 is driven so that only the light emitting element 37 corresponding to the position is turned on. In this embodiment, the light emitting element 37 is turned on as in the former case. The light emitting element driving circuit may be formed in the functional pattern forming unit 21 or the light display pattern forming unit 23 instead of being provided on another substrate (not shown) drawn from the drawing unit 33. The circuit patterns extending over the upper and lower surfaces of the flexible circuit board 20 are connected by through holes provided in the flexible circuit board 20.

  Next, the case 50 is formed in a bottomed box shape around and on the bottom surface of the functional pattern forming portion 21 by insert molding. That is, the case 50 is formed by integrally forming the bottom 53 on the bottom surface of the rectangular cylindrical side wall 51, thereby forming the slide moving body storage portion 54 therein, and the functional pattern forming portion is formed on the bottom 53. 21, the light emitting function circuit pattern 29 and the electric output circuit pattern 31 of the function pattern forming unit 21 are exposed from the upper surface side which is the operation side of the case 50 opened thereby to the inner bottom surface thereof. ing. On the upper end side of the side wall 51, a plurality of (six) protrusions 52 that project in the upward direction are provided. The connecting portion 25 is pulled out from an approximately central position of one long side wall 51 of the case 50, and a leading portion 33 is pulled out from one end portion of the side wall 51. A connecting portion insertion portion 57 that is cut out in a concave shape in the vertical direction is provided at a portion of the side wall 51 where the connecting portion 25 protrudes. As a material of the case 50, for example, a thermoplastic PBT resin, a POM resin, an ABS resin, or the like is used. In this embodiment, an opaque material is used, but a transparent or translucent material may be used.

  The holding member 60 is a long rectangular plate-shaped synthetic resin molded product as shown in FIGS. 1 to 3, and is an upper surface side (surface to which the light emitting element 37 is attached) which is an operation side of the light display pattern forming unit 23. The outer dimensions of the light emitting element 37 are substantially the same as those of the light display pattern forming portion 23, and the surface of the light emitting element 37 attached on the light display pattern forming portion 23 is exposed on the surface. Insert molding is performed. The surface of the light emitting element 37 and the surface of the holding member 60 are the same surface. An insertion portion 61 having substantially the same size and shape is provided at a position facing the insertion portion 35 of the light display pattern forming portion 23 of the holding member 60, and the insertion of each light display pattern forming portion 23 of the holding member 60 is inserted. An insertion locking portion 63 having substantially the same diameter as this is provided at a position facing the portion 39. As the material of the holding member 60, for example, thermoplastic PBT resin, POM resin, ABS resin, or the like is used. In this embodiment, an opaque material is used, but a transparent or translucent material may be used. .

  The slide moving body 70 has a substantially rectangular moving body main body 71 having an outer diameter that can be stored in the slide moving body storage portion 54 of the case 50, and is directed upward from the center of the upper surface on the operation side of the moving body main body 71. And an operation knob 73 that protrudes. The operation knob 73 has a rectangular plate shape, and the thickness thereof is smaller than the inner diameter of the insertion portions 35 and 61 so as to be inserted into the insertion portions 35 and 61 of the light display means 110 and to be slidable. Has been. On the lower surface of the moving body 71, as shown in FIG. 2, two sliders, a light emitting slider 81 and an output slider 83, each have a light emitting function circuit pattern 29 of the function pattern forming unit 21. And the circuit pattern 31 for electrical output.

  In order to assemble the slide type variable resistor 1, the light emitting slider 81 and the output slider 83 are attached to the lower surface of the moving body 71 in advance. Next, the moving body main body 71 of the slide moving body 70 is stored in the slide moving body storage portion 54 of the case 50. Next, the light display means 110 serving as the upper case is placed on the case 50 by bending the connecting portion 25. At this time, the operation knob 73 of the slide moving body 70 is inserted into the insertion portions 35 and 61 provided in the light display means 110, and each engagement of the case 50 is inserted into each insertion portion 39 and the insertion locking portion 63 provided in the light display means 110. The stop 52 is inserted. At this time, the connecting portion 25 is accommodated in the connecting portion inserting portion 57. Then, if the tips of the respective locking portions 52 projecting to the upper surface side of the holding member 60 of the light display means 110 are caulked, the rotary variable resistor 1 shown in FIG. 1 is completed.

  In the rotary variable resistor 1 completed as described above, the output of the electrical output circuit pattern 31 is taken out to the substrate by connecting the lead-out portion 33 to a substrate (not shown).

  When the operation knob 73 is slid linearly, the output slider 83 attached to the slide moving body 70 slides on the electrical output circuit pattern 31, and the electrical output is usually drawn out as a change in voltage. The substrate 33 is taken out from the substrate (not shown). On the other hand, at this time, the light emitting slider 81 attached to the slide moving body 70 slides on the circuit pattern 29 for light emitting function, whereby an output corresponding to the slide movement position of the slide moving body 70 is provided on the substrate (not shown). Each light emitting element 37 emits light according to a driving signal of each light emitting element 37 corresponding to the position of the slide moving body 70 from the light emitting element driving circuit. In the case of this embodiment, when the slide moving body 70 is at the leftmost position shown in FIG. 1, for example, none of the light emitting elements 37 is lit, and when the slide moving body 70 is slid to the right side, the light emitting elements first. When one light emitting element 37 at the left end of 37 is turned on and further slides to the right side, one light emitting element 37 on the right side of the lighted light emitting element 37 is also turned on and further slides to the right side. Further, the right side light emitting element 37 is also turned on, and when it finally moves to the right end, all the light emitting elements 37 are turned on. When the operation knob 73 is slid from the right end toward the left, the light emitting element 37 on the right side is turned off sequentially. That is, a part or the whole of the straight line (strip-shaped) light-emitting element 37 is turned on, whereby the position set by the operation knob 73 is displayed by light, and the setting of the operation knob 73 can be easily set visually even in a dark place. The position can be recognized.

  As described above, this embodiment includes the electronic component main body 10 and the slide moving body 70 housed therein so as to be slidably movable. The slide moving body 70 is slid and moved to generate an electrical output. In the changing slide type variable resistor 1, the light display means 110 that performs light display corresponding to the slide movement position of the slide moving body 70 is configured by attaching the light emitting element 37 to the flexible circuit board 20 that is a sheet member, Since the light display means 110 is installed on the surface of the electronic component body 10 on the side where the slide moving body 70 is operated, the light display means 110 that can change the light display according to the slide movement position of the slide moving body 70. Can be easily manufactured, and the light display means 110 operates the slide type variable resistor 1 to display light. It can be seen from the side of the easily. In this embodiment, since the synthetic resin holding member 60 is attached to the flexible circuit board 20 that is a sheet member, the strength of the light display means 110 is increased, and this can be easily attached to the electronic component body 10. Further, the light display means 110 can also be used as an upper case that covers the electronic component main body 10 in which the slide moving body 70 is accommodated. In this embodiment, a flexible circuit board 20 for taking out an electrical output corresponding to the slide movement position of the slide moving body 70 is installed in the electronic component body 10, and a sheet member constituting the optical display means 110 is used as the flexible member. Since the circuit board 20 is used, the electrical output corresponding to the moving position of the slide moving body 70 can be easily taken out of the slide electronic component 1 and the circuit connected to the light display means 110 can also be easily slid. The electronic component 1 can be pulled out. Note that the flexible circuit board 20 installed in the electronic component main body 10 and the sheet member (flexible circuit board) constituting the optical display means 110 may be composed of separate parts. In that case, for example, they may be connected at a predetermined position with a conductive adhesive or the like.

[Second Embodiment]
FIG. 6 is a perspective view of an electronic component (hereinafter referred to as “sliding variable resistor”) 1-2 according to a second embodiment of the present invention, and FIG. 7 is a schematic sectional view thereof. As shown in both figures, the slide type variable resistor 1-2 houses a movable body (hereinafter referred to as “slide movable body”) 70-2 in an electronic component main body 10-2 so as to be freely movable, and the electronic component main body 10 -2 (the surface on the side from which the operation knob 73-2 of the slide moving body 70-2 described below protrudes) is attached with the light display means 110-2 that also functions as a case (upper case). . Each component will be described below.

  FIG. 8 is an exploded perspective view of the slide type variable resistor 1-2. As shown in the figure, the electronic component main body 10-2 is formed by forming a case 50-2 around and on the bottom surface of a functional pattern forming portion 21-2 composed of a sheet member (hereinafter referred to as "flexible circuit board") 20-2. It is configured. The flexible circuit board 20-2 is made of a single synthetic resin film having insulating properties and flexibility (for example, a PET film or a PI film, which may be a synthetic resin film of another material) and has a rectangular functional pattern formation. The part 21-2 is provided with a light emitting function circuit pattern 29-2 and an electric output circuit pattern 31-2 in parallel (parallel) to the longitudinal direction of the upper surface thereof, and from one end thereof from the function pattern forming part 21-2. A lead-out part 33-2 for drawing out the circuit pattern to be drawn out is provided. The functions of the light emission function circuit pattern 29-2 and the electrical output circuit pattern 31-2 are the same as the functions of the light emission function circuit pattern 29 and the electrical output circuit pattern 31 according to the first embodiment.

  The case 50-2 is formed in a bottomed box shape around and on the bottom surface of the functional pattern forming portion 21-2 by insert molding. That is, the case 50-2 is formed by integrally forming the bottom 53-2 on the bottom surface of the rectangular cylindrical side wall 51-2, thereby forming the slide moving body storage portion 54-2 therein, and the bottom portion The functional pattern forming unit 21-2 is installed on the 53-2, and the circuit for the light emitting function of the functional pattern forming unit 21-2 from the upper surface side which is the operation side of the opened case 50-2 to the inner bottom surface. The pattern 29-2 and the circuit pattern 31-2 for electrical output are exposed. On the upper end side of the side wall 51-2, a plurality of (six) protrusions 52-2 that protrude in the upward direction are provided. And the drawer | drawing-out part 33-2 is pulled out from the one end part of the side wall 51-2 of case 50-2. The material of the case 50-2 is the same as that of the case 50 of the first embodiment.

  The configuration of the slide moving body 70-2 (the moving body main body 71-2 and the operation knob 73-2 constituting the slide moving body 70-2) and the light emitting slider 81-2 and the output slider 83-2 attached to the slide moving body 70-2 are as described above. The configuration is the same as that of the slide moving body 70 (the moving body main body 71 and the operation knob 73 constituting the same), the light emitting slider 81 and the output slider 83 attached thereto.

  The light display means 110-2 is made of a synthetic resin, and an EL (electroluminescence) sheet 23-2 having the same size and shape as the holding member 60-2 is integrally formed on the upper surface of a long rectangular plate-like holding member 60-2. Installed and configured. The EL sheet 23-2 is provided with insertion portions 35-2 made of rectangular straight through holes into which the operation knob 73-2 of the slide moving body 70-2 is inserted, on both sides of the insertion portion 35-2 on the upper surface thereof. A plurality of (six left and right in this embodiment) EL light emitting units 37-2 are provided at predetermined intervals (equal intervals in this embodiment), and a plurality of locations (in this embodiment, between the EL light emitting units 37-2). The insertion part 39-2 which consists of a small hole penetrating the left and right three parts) is provided, and a lead-out part 41-2 extending in a strip shape is integrally connected to one end thereof. A circuit pattern (not shown) connected to each of the EL light emitting units 37-2 is drawn out to the lead-out part 41-2, and the tip of the circuit pattern is connected to another board (not shown), and an EL provided on the other board. It is connected to the light emitting unit driving circuit. There are various structures of the EL light emitting unit 37-2. In this embodiment, ITO (oxidation) serving as a front electrode is formed on the transparent PET film (the lower surface in FIG. 6) constituting the EL sheet 23-2. Indium tin) film is formed, and a flexible circuit board is formed by laminating a phosphor layer, a dielectric layer, a back electrode layer, and a resist layer on the ITO film. When a predetermined alternating voltage is applied from the EL light emitting unit driving circuit to the EL light emitting unit 37-2, the phosphor layer in the EL light emitting unit 37-2 emits light and is brightly illuminated through the transparent EL sheet 23-2. To do. The EL light emission unit driving circuit is a circuit for changing the light emission state of each EL light emission unit 37-2 by inputting the output of the light emission function circuit pattern 29-2, for example, sliding movement. When the body 70-2 is slid from one end side, one or two EL light emitting units 37-2 are turned on accordingly, and finally, each EL light emitting unit 37 is turned on so that all the EL light emitting units 37-2 are turned on. -2 is driven, or when the slide moving body 70-2 is slid and moved, each EL light emitting unit 37-2 is driven so that only the EL light emitting unit 37-2 corresponding to the moving position is turned on one by one. Is. In this embodiment, the EL light emitting unit 37-2 is turned on as in the former case.

  The holding member 60-2 is a long rectangular plate-shaped synthetic resin molded product, and is formed by insert-molding the EL sheet 23-2 on the lower surface side of the EL sheet 23-2. Has substantially the same outer dimensions as the EL sheet 23-2. An insertion portion 61-2 having substantially the same shape as this is provided at a position facing the insertion portion 35-2 of the EL sheet 23-2 of the holding member 60-2, and each EL sheet of the holding member 60-2 is provided. An insertion locking portion 63-2 having substantially the same diameter as this is provided at a position facing the insertion portion 39-2 of 23-2. The material of the holding member 60-2 is the same as the material of the holding member 60 of the first embodiment.

  In order to assemble the slide type variable resistor 1-2, the movable body main body 71-2 of the slide movable body 70-2 having the light emitting slider 81-2 and the output slider 83-2 attached to the lower surface is provided. Then, it is stored in the slide moving body storage section 54-2 of the case 50-2. Next, the light display means 110-2 which becomes an upper case is put on the case 50-2. At this time, the operation knob 73-2 of the slide moving body 70-2 is inserted into the insertion portions 35-2 and 61-2 provided in the light display means 110-2, and each insertion portion 39 provided in the light display means 110-2. -2 and the insertion locking part 63-2, the locking parts 52-2 of the case 50-2 are inserted. Then, if the tips of the respective engaging portions 52-2 protruding to the upper surface side of the EL sheet 23-2 of the light display means 110-2 are caulked, the slide type variable resistor 1-2 shown in FIG. 6 is completed. .

  In the slide type variable resistor 1-2 completed as described above, by connecting the lead-out portion 33-2 and the lead-out portion 41-2 to a substrate (not shown), the circuit pattern for electric output 31-2 At the same time that the output of the light emitting function circuit pattern 29-2 is taken out to the substrate (not shown), the EL sheet 23-2 is supplied with driving power from an EL light emitting unit driving circuit provided on the substrate side (not shown).

  When the operation knob 73-2 is slid linearly, the output slider 83-2 attached to the slide moving body 70-2 slides on the circuit pattern 31-2 for electrical output, and its electrical output. Is normally taken out from the lead-out part 33-2 to the substrate (not shown) as a voltage change. On the other hand, at this time, the light emitting slider 81-2 attached to the slide moving body 70-2 slides on the circuit pattern 29-2 for the light emitting function, so that the slide moving body 70-2 corresponds to the slide movement position. An output is input to an EL light emitting unit driving circuit provided on the substrate (not shown), and each light emission is performed by a driving signal of each EL light emitting unit 37-2 according to the position of the slide moving body 70-2 from the EL light emitting unit driving circuit. Element 37-2 emits light. In the case of this embodiment, when the slide moving body 70-2 is at the leftmost position shown in FIG. 6, for example, none of the EL light emitting units 37-2 is lit, and the slide moving body 70-2 is slid to the right. When moving, first, the leftmost EL light emitting unit 37-2 of the EL light emitting unit 37-2 is turned on, and further sliding to the right side, the right side of the light emitting EL light emitting unit 37-2 is turned on. One EL light-emitting unit 37-2 is also lit, and further sliding to the right further turns on the right EL light-emitting unit 37-2. Finally, when it moves to the right end, all EL light-emitting units 37-2 are turned on. Operates to light up. When the operation knob 73-2 is slid in the left direction from the right end, it is turned off sequentially from the right EL light emitting unit 37-2. That is, a part or the whole of the straight line (strip-shaped) EL light emitting unit 37-2 is turned on, whereby the position set by the operation knob 73-2 is displayed by light, and is easily visually observed even in a dark place. The set position of the operation knob 73-2 can be recognized.

  As described above, this embodiment includes the electronic component main body 10-2 and the slide moving body 70-2 that is slidably accommodated therein, and slides the slide moving body 70-2. In the slide type variable resistor 1-2 that changes the electrical output in this way, the light display means 110-2 that performs light display corresponding to the slide movement position of the slide moving body 70-2 is provided by the EL sheet 23-2. Since the optical display unit 110-2 is installed on the surface of the electronic component main body 10-2 on the side where the slide moving body 70-2 is operated, the slide moving body 70-2 is moved to the slide movement position. Accordingly, it is possible to easily manufacture the light display means 110 that can change the light display according to this, and to display the light by the light display means 110-2. It can be easily seen from the side of the surface to operate the resistors 1-2. In this embodiment, since the synthetic resin holding member 60-2 is attached to the EL sheet 23-2, the strength of the light display means 110-2 is increased, and this is easily attached to the electronic component body 10-2. Can do. Further, the light display means 110-2 can also be used as an upper case that covers the electronic component main body 10-2 that houses the slide moving body 70-2. In this embodiment, the EL sheet 23-2 is insert-molded into the holding member 60-2. However, the two may be integrally fixed by other various means such as adhesion or heat caulking.

  In this embodiment, a flexible circuit board 20-2 for taking out an electrical output corresponding to the slide movement position of the slide moving body 70-2 is installed in the electronic component main body 10-2, and the light display means 110 is further provided. -2 constituting the EL sheet 23-2 is also composed of a flexible circuit board, so that the electrical output corresponding to the slide movement position of the slide moving body 70-2 can be easily taken out of the slide type electronic component 1-2. The circuit connected to the light display means 110-2 can be easily pulled out of the sliding electronic component 1-2. Note that the flexible circuit board 20-2 and the EL sheet 23-2 may be formed of a single flexible circuit board as in the first embodiment. In that case, not only can the number of components be reduced, but the circuit connected to the light display means 110-2 can be easily pulled out of the sliding variable resistor 1-2 from the lead-out portion 33-2.

[Third Embodiment]
FIG. 9 is a perspective view of an electronic component (rotary variable resistor) 1-3 according to the third embodiment of the present invention, and FIG. 10 is a schematic sectional view thereof. As shown in both figures, the variable resistor 1-3 accommodates a movable body (hereinafter referred to as “rotary body”) 70-3 in an electronic component main body 10-3 so as to be freely movable, and the electronic component main body 10-3. The light display means 110-3 that also functions as a case (upper case) is attached to the upper surface (the surface on the side from which the operation knob 73-3 of the rotating body 70-3 described below protrudes). Each component will be described below.

  FIG. 11 is an exploded perspective view of the variable resistor 1-3. As shown in the figure, the electronic component main body 10-3 and the optical display means 110-3 are connected to one sheet member (hereinafter referred to as “flexible circuit board”) 20-3 by a connecting portion 25-3. A pattern forming portion 21-3 and a light display pattern forming portion 23-3 are provided, and a case 50-3 is formed around the functional pattern forming portion 21-3 to form an electronic component body 10-3. The upper surface of the optical display pattern forming portion 23-3 (which is the lower surface in FIG. 11 but actually becomes the upper surface by folding back at the portion of the connecting portion 25-3. Therefore, the optical display pattern forming portion shown in FIG. The lower surface of 23-3 is referred to as the upper surface (the same applies to FIGS. 12 and 13), and a synthetic resin holding member 60-3 is molded to form the light display means 110-3.

  Here, FIG. 12 is a perspective view of the flexible circuit board 20-3 as viewed from the upper side which is the operation side, and FIG. 13 is a perspective view of the flexible circuit board 20-3 as viewed from the lower side. The flexible circuit board 20-3 is made of a single synthetic resin film having insulating properties and flexibility (for example, a PET film or a PI film, which may be a synthetic resin film of another material), as shown in both drawings. The circular functional pattern forming part 21-3 and the circular light display pattern forming part 23-3 are connected by a band-like connecting part 25-3. The functional pattern forming portion 21-3 is provided with an insertion portion 27-3 including a circular through hole into which a shaft support portion 75-3 of the rotating body 70-3 described below is inserted at the center, and the insertion portion 27-3 on the upper surface thereof. A light emitting function circuit pattern 29-3 and an electric output circuit pattern 31-3 are provided concentrically around the periphery from the inside, and are drawn from the outer periphery of the function pattern forming unit 21-3 and the light display pattern forming unit 23-3. The lead-out part 33-3 for pulling out the circuit pattern to be output to the outside is provided. The pattern shape of the circuit pattern 31-3 for electrical output is omitted, but the rotation of the rotating body 70-3 can be achieved by slidingly contacting an output slider 83-3 described below attached to the rotating body 70-3. A circuit pattern group formed so as to have different resistance values depending on the position, and these are drawn out to a circuit pattern (not shown) of the lead-out portion 33-3. Although the pattern shape of the light emitting function circuit pattern 29-3 is omitted, in this embodiment, it is a circuit pattern for detecting the rotational position of the rotating body 70-3, and these are not shown in the drawing portion 33-3. It is drawn out to the circuit pattern.

  The optical display pattern forming portion 23-3 is provided with an insertion portion 35-3 formed of a circular through hole into which an operation knob 73-3 of the rotating body 70-3 described below is inserted at the center, as shown in FIG. A plurality of (eight in this embodiment) light emitting elements (in the present embodiment, rectangular shapes) at predetermined intervals (equal intervals in this embodiment) on the same circumference around the insertion portion 35-3 on the lower surface in the drawing. Chip LED) 37-3 and a light-emitting element 37-3 are attached, and a plurality of insertion portions 39-3 are provided which are formed through a plurality of locations (four in this embodiment). . A light emitting element driving circuit (not shown) is installed on a substrate (not shown) to which the leading end side of the drawing portion 33-3 is connected, and the light emitting function circuit pattern 29-3 outputs to the light emitting element driving circuit. The driving power is supplied to the light emitting elements 37-3 from the light emitting element driving circuit. This light emitting element driving circuit is a circuit for changing and displaying the light emitting state of each light emitting element 37-3 in accordance with the output of the light emitting function circuit pattern 29-3. When the light is rotated, the light emitting elements 37-3 are turned on one by one, and finally, each light emitting element 37-3 is driven so that all the light emitting elements 37-3 are turned on. Each of the light emitting elements 37-3 is driven so that when the light emitting element 37 is rotated, only the light emitting elements 37-3 corresponding to the rotation positions are turned on one by one. In this embodiment, the light emitting element 37-3 is turned on as in the former case. The light emitting element driving circuit may be formed on the functional pattern forming unit 21-3 or the light display pattern forming unit 23-3 instead of being provided on another substrate (not shown) drawn from the drawing unit 33-3. good. Note that the circuit patterns over the upper and lower surfaces of the flexible circuit board 20-3 are connected by through holes provided in the flexible circuit board 20-3.

  Next, the case 50-3 is formed into a bottomed cylindrical shape around and on the bottom surface of the functional pattern forming portion 21-3 by insert molding. That is, the case 50-3 is formed by integrally forming the bottom portion 53-3 on the bottom surface of the cylindrical side wall 51-3, thereby forming the rotating body storage portion 54-3 therein, and the bottom portion 53-. The functional pattern forming unit 21-3 is installed on the upper surface 3 and the light emitting function of the functional pattern forming unit 21-3 is opened from the upper surface side, which is the operation side of the case 50-3, to the bottom surface inside the functional pattern forming unit 21-3. The circuit pattern 29-3 and the electric output circuit pattern 31-3 are exposed. At the upper end side of the side wall 51-3, a plurality of (four) protruding portions 52-3 protruding upward are provided, and the functional pattern forming portion 21- at the center of the bottom portion 53-3 is provided. An insertion support portion 55-3 having the same diameter as this is provided at a position facing the three insertion portions 27-3. And from the position which the side wall 51-3 of case 50-3 opposes about 180 degrees, the connection part 25-3 and the drawer part 33-3 are each pulled out. A connecting portion insertion portion 57-3 that is cut out in a concave shape in the vertical direction is provided at a portion where the connecting portion 25-3 of the side wall 51-3 protrudes. As a material of the case 50-3, for example, a thermoplastic PBT resin, a POM resin, an ABS resin, or the like is used. In this embodiment, an opaque material is used, but a transparent or translucent material may be used. good.

  The holding member 60-3 is a circular plate-shaped synthetic resin molded product as shown in FIGS. 9 to 11, and the upper surface side (the light emitting element 37-3 is connected to the operation side of the light display pattern forming portion 23-3). The light emitting element 37 mounted on the light display pattern forming portion 23-3 is formed by insert molding on the surface side of the light display pattern forming portion 23-3. Insert molding is performed such that the surface of -3 is exposed on the surface. The surface of the light emitting element 37-3 and the surface of the holding member 60-3 are the same surface. An insertion portion 61-3 having substantially the same inner diameter is provided at a position facing the insertion portion 35-3 of the light display pattern forming portion 23-3 of the holding member 60-3. An insertion locking portion 63-3 having substantially the same diameter as this is provided at a position facing the insertion portion 39-3 of each light display pattern forming portion 23-3. A concave portion 65-3 having an enlarged inner diameter is provided on the upper surface side of each insertion locking portion 63-3. As the material of the holding member 60-3, for example, a thermoplastic PBT resin, POM resin, ABS resin, or the like is used. In this embodiment, an opaque material is used, but a transparent or translucent material is used. Also good.

  The rotating body 70-3 includes a circular plate-shaped rotating body main body 71-3 having an outer diameter that can be stored in the rotating body storage portion 54-3 of the case 50-3, and an operation side of the rotating body main body 71-3. And an operation knob 73-3 projecting upward from the center of the upper surface and a shaft support 75-3 projecting downward from the center of the lower surface of the rotating body main body 71-3. . The operation knob 73-3 has a circular column shape, and the outer diameter of the operation knob 73-3 is inserted into the insertion portions 35-3 and 61-3 of the light display means 110-3 so as to be rotatably supported. It is formed in a size slightly smaller than the inner diameter size of 35-3 and 61-3. The shaft support 75-3 has a circular columnar shape, and its outer diameter is freely inserted into the insertion portion 27-3 of the functional pattern forming portion 21-3 and the insertion support portion 55-3 of the case 50-3 so as to be rotatable. So as to be supported by the insertion portion 27-3 and the insertion support portion 55-3. On the lower surface of the rotator main body 71-3, there are two sliders, a light emitting slider 81-3 and an output slider 83-3, respectively, for the light emitting function circuit pattern of the function pattern forming section 21-3. 29-3 and the electrical output circuit pattern 31-3 are attached to face each other.

  In order to assemble the rotary variable resistor 1-3, first, the light emitting slider 81-3 and the output slider 83-3 are attached to the lower surface of the rotating body 71-3 in advance. Next, the rotating body main body 71-3 of the rotating body 70-3 is stored in the rotating body storage portion 54-3 of the case 50-3. At this time, the shaft support portion 75-3 of the rotating body 70-3 is inserted into the insertion portion 27-3 of the functional pattern forming portion 21-3 and the insertion support portion 55-3 of the case 50-3, and the insertion support portion 55-3. Thus, the rotating body 70-3 is pivotally supported. Next, the light display means 110-3 serving as the upper case is placed on the case 50-3 by bending the connecting portion 25-3. At this time, the operation knob 73-3 of the rotating body 70-3 is inserted into the insertion portions 35-3 and 61-3 provided in the light display means 110-3, and each insertion portion 39- provided in the light display means 110-3. 3 and the insertion locking part 63-3, each locking part 52-3 of the case 50-3 is inserted. At this time, the connecting portion 25-3 is housed in the connecting portion inserting portion 57-3. And if the front-end | tip of each said latching | locking part 52-3 protruded to the upper surface side of the holding member 60-3 of the light display means 110-3 is heat-caulked, the variable resistor 1-3 shown in FIG. 9 will be completed.

  In the variable resistor 1-3 completed as described above, the output of the electrical output circuit pattern 31-3 is taken out to the substrate by connecting the lead-out portion 33-3 to a substrate (not shown).

  When the operation knob 73-3 is rotated, the output slider 83-3 attached to the rotating body 70-3 slides on the electrical output circuit pattern 31-3, and the electrical output is usually a voltage. As a change, it is taken out from the drawing portion 33-3 to the substrate (not shown). On the other hand, at this time, the light emitting slider 81-3 attached to the rotating body 70-3 slides on the light emitting function circuit pattern 29-3, so that an output corresponding to the rotational position of the rotating body 70-3 is obtained. Each light emitting element 37-3 emits light in response to a drive signal of each light emitting element 37-3 according to the position of the rotating body 70-3 from the light emitting element drive circuit, which is input to a light emitting element drive circuit provided on a substrate (not shown). To do. In the case of this embodiment, when the rotating body 70-3 is counterclockwise and leftmost, for example, none of the light emitting elements 37-3 is lit, and the rotating body 70-3 is rotated clockwise. First, any one light emitting element 37-3 of the light emitting element 37-3 is turned on. When the light emitting element 37-3 further rotates clockwise, the light emitting element 37-3 on the right side of the light emitting element 37-3 is also set to 1. One light-emitting element 37-3 is turned on further when it is further rotated clockwise, and all light-emitting elements 37-3 are turned on when it is finally rotated to the right end. When the operation knob 73-3 is rotated in the left direction, the light emitting element 37-3 on the right side is turned off sequentially. That is, a part or the whole of the ring of the ring-shaped light emitting element 37-3 is turned on, whereby the position set by the operation knob 73-3 is displayed by light, and the operation knob 73- can be easily visually observed even in a dark place. 3 setting positions can be recognized.

  In the variable resistor 1-3 according to this embodiment, the same operation and effect as in the case of the slide type variable resistor 1-1 occur.

  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. 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 each of the above embodiments, the sliders (light emitting sliders 81, 81-2, 81-3 and the output slider) are provided on the moving body (slide moving bodies 70, 70-2, rotating body 70-3) side. 83, 83-2, 83-3), and light emitting function circuit patterns 29, 29-2, 29-3 and electrical output circuit patterns 31, 31 on the flexible circuit boards 20, 20-2, 20-3 side. -2, 31-3 are provided, but on the contrary, the light emitting function circuit patterns 29, 29-2, 29-3 and the electrical output circuit patterns 31, 31-2, 31-3 are provided on the moving body side. A slider may be attached to the flexible circuit boards 20, 20-2, 20-3 side. In short, what is necessary is just to provide an electrical function part whose electrical output changes by moving the moving body.

  In the above embodiment, the light display means 110, 110-3, and 110-2 are reinforced by the holding members 60, 60-3, 60 for reinforcement on the flexible circuit boards 20, 20-3 or the EL sheet 23-2 that are sheet members. -2 is attached, but in some cases, the holding members 60, 60-3, 60-2 are omitted, and the optical display means 110, 110- are formed only by the flexible circuit boards 20, 20-3 or the EL sheet 23-2. 3,110-2 may be configured.

  In addition, the state of light emission when moving each moving body (slide moving body 70, rotating body 70-3, slide moving body 70-2) of the light emitting elements 37 and 37-3 and the EL light emitting unit 37-2 is described above. Needless to say, the light emitting state of the embodiment is not limited to various modifications. In addition, the installation positions of the light emitting elements 37 and 37-3 and the EL light emitting unit 37-2 can be variously changed as necessary. In short, any optical display means that performs optical display corresponding to the moving state of the moving body may be used.

  Moreover, although the case where this invention was used for the variable resistor was demonstrated in the said embodiment, you may apply to other electronic components, such as a switch. Further, the moving direction of the sliding moving body that slides does not necessarily have to be linear, and various changes such as an arc shape are possible.

1 is a perspective view of a slide type variable resistor 1. FIG. 1 is a schematic cross-sectional view of a sliding variable resistor 1. FIG. 1 is an exploded perspective view of a slide type variable resistor 1. FIG. It is the perspective view which looked at the flexible circuit board 20 from the upper side. It is the perspective view which looked at the flexible circuit board 20 from the lower side. It is a perspective view of the slide type variable resistor 1-2. It is a schematic sectional drawing of the slide type variable resistor 1-2. It is a disassembled perspective view of the slide type variable resistor 1-2. It is a perspective view of other variable resistors 1-3. It is a schematic sectional drawing of the other variable resistor 1-3. It is a disassembled perspective view of the other variable resistor 1-3. It is the perspective view which looked at the flexible circuit board 20-3 from the upper side. It is the perspective view which looked at the flexible circuit board 20-3 from the lower side.

Explanation of symbols

1-1 Sliding variable resistors (sliding electronic components, electronic components)
10 Electronic Component Body 20 Flexible Circuit Board (Sheet Member)
37 Light emitting element 50 Case 60 Holding member 70 Slide moving body (moving body)
81 Slider for light emission 83 Slider for output 110 Light display means 1-2 Slide variable resistor (slide type electronic component, electronic component)
10-2 Electronic Component Body 23-2 EL Sheet 37-2 EL Light Emitting Unit 50-2 Case 60-2 Holding Member 70-2 Slide Moving Body (Moving Body)
110-2 Optical display means 1-3 Other variable resistors (electronic components)
10-3 Electronic component body 20-3 Flexible circuit board 37-3 Light emitting element 50-3 Case 60-3 Holding member 70-3 Rotating body (moving body)
81-3 Light-Emitting Slider 83-3 Output Slider 110-3 Optical Display Means

Claims (3)

In an electronic component that includes an electronic component main body and a movable body that is movably accommodated therein, and changes an electrical output by moving the movable body,
The light display means for performing light display corresponding to the moving position of the moving body is configured by attaching a light emitting element to a sheet member or an EL sheet, and the light display means is moved by the movement of the electronic component main body. An electronic component that is installed on the surface on which the body is operated.   The electronic component according to claim 1, wherein a holding member made of a synthetic resin is attached to the sheet member or the EL sheet by insert molding. In the electronic component main body, a flexible circuit board for taking out an electrical output corresponding to the moving position of the moving body is installed,
Furthermore, the sheet | seat member or EL sheet | seat which comprises the said optical display means is also comprised by the flexible circuit board, The electronic component of Claim 1 or 2 characterized by the above-mentioned.

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