Electronic equipment

Abstract

To provide an electronic apparatus with which it is possible to suppress manufacturing costs.SOLUTION: An operation device 1 is generally constituted by including: a first member 2 having a first protrusion 23 that protrudes from an end 22 of a first surface 20 to a first reverse face 21 side; a second member 3 having a second protrusion 33 that protrudes from an end 32 of a second surface 30 to a second reverse face 31 side and forms a gap 4 together with and facing the first protrusion 23; a light-shielding part 26 which is provided at a tip 230 of the first protrusion 23 so that illumination light 140 from the first reverse face 21 and second reverse face 31 side does not leak from the gap 4 to the outside, and which has an extension 24 extending to a region 35 in the inside of the second member 3 across a tip 330 of the second protrusion 33 and a folded part 25 that is folded from the extension 24 to the second reverse face 31 side; and a plurality of through-holes 5 which are provided on an internal region 35 side of the light-shielding part 26, through which paint comes off when the first member 2 is painted.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to electronic devices. [Background technology]

[0002] 2. Description of the Related Art As a conventional technique, an operation knob that is disposed on an instrument panel of a vehicle and has an operation part that receives a rotation operation is known (see, for example, Patent Document 1).

[0003] The operating part has a cylindrical shape and a hooked part at its tip that fits into a folded part provided at the edge of the opening of the instrument panel to prevent it from coming off. The hooked part has an L-shaped groove along the periphery of the operating part between the operating part and the outer wall of the hooked part. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2011-54466 A Summary of the Invention [Problem to be solved by the invention]

[0005] For example, in order to illuminate the design formed on the operating part, a conventional operating knob is formed entirely from a light-transmitting material and a light-shielding film is formed, and if the light-shielding film in the design part is removed with a laser or the like to enable illumination, the light-shielding film is not formed in a sufficient thickness in the groove part, and light may leak from this part. Therefore, if the operating part is formed by two-color molding using a light-transmitting material for the main body and a light-opaque material for the hooked part to prevent light leakage, there is a problem that the manufacturing cost of the operating knob increases.

[0006] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide an electronic device capable of suppressing manufacturing costs. [Means for solving the problem]

[0007] One aspect of the present invention provides an electronic device comprising: a first member having a first protrusion protruding from an end of a first surface toward a first back surface; a second member having a second protrusion protruding from an end of a second surface toward a second back surface side and facing the first protrusion to form a gap; a light-shielding portion provided at a tip of the first protrusion to prevent illumination light from the first back surface and the second back surface side from leaking out through the gap, the light-shielding portion having an extension portion extending beyond the tip of the second protrusion into an inner region of the second member and a folded portion folded back from the extension portion to the second back surface side; and a plurality of through holes provided on the inner region side of the light-shielding portion through which paint can escape when the first member is painted. Effect of the Invention

[0008] According to the present invention, the manufacturing costs can be reduced. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a cross-sectional view of a main part of an example of an electronic device. [Diagram 2] FIG. 2(a) is a diagram of the inside of a vehicle, and FIG. 2(b) is an example of a block diagram of an air conditioner. [Diagram 3] FIG. 3(a) is a diagram showing an example of an operating device, and FIG. 3(b) is an example of a cross-sectional view of the operating device. [Figure 4] FIG. 4(a) is a diagram showing an example of a first member, FIG. 4(b) is a diagram for explaining an example of painting of the first member, and FIG. 4(c) is a diagram showing an example of the flow of painting through a through hole. [Diagram 5] 5(a) to 5(c) are diagrams showing an example of a modified through hole. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] [First embodiment] (Overview of electronic device 1a) FIG. 1 is a cross-sectional view of a main part showing an example of an electronic device according to a first embodiment. In each of the figures according to the embodiments described below, the ratio between figures and shapes may differ from the actual ratio and shapes. In FIG. 2(b), arrows indicate the flow of main signals and information. Furthermore, "A to B" indicating a numerical range is used to mean A or more and B or less.

[0011] As shown in FIG. 1, the electronic device 1a includes a first member 2a having a first protruding portion 23a protruding from an end 22a of a first surface 20a toward a first back surface 21a, a second member 3a having a second protruding portion 33a protruding from an end 32a of a second surface 30a toward a second back surface 31a and facing the first protruding portion 23a to form a gap 4a, and a second member 3a having a second protruding portion 33a protruding from an end 32a of a second surface 30a toward a second back surface 31a. The light-shielding portion 26a has an extension portion 24a that is provided at a tip portion 230a of the first protrusion 23a so as to prevent the light-shielding portion 26a from being in contact with the tip portion 330a of the second protrusion 33a and extends beyond the tip portion 330a of the second protrusion 33a into an inner region 35a of the second member 3a, and a folded portion 25a that is folded back from the extension portion 24a toward the second back surface 31a side, and a plurality of through holes 5a that are provided on the inner region 35a side of the light-shielding portion 26a and through which paint can escape when the first member 2a is painted.

[0012] As shown in Fig. 1, the extension 24a is a portion surrounded by a dotted line that connects the opposing surfaces of the first protrusion 23a and the folded-back portion 25a. As an example, the through-hole 5a is cut out from the bottom surface 260a of the light-shielding portion 26a to a position above the upper surface 240a of the extension 24a in the folded-back portion 25a, and penetrates from the side surface 250a of the folded-back portion 25a to the opposite side surface 252a. Furthermore, the region 35a is, for example, a region surrounded by the second back surface 31a of the second member 3a and a surface extending from the inner surface 331a of the second protrusion 33a, as shown by hatching in Fig. 1.

[0013] 1, the electronic device 1a has a light-shielding film 6a formed of a paint having light-shielding properties on the first surface 20a, and on the first surface 20a side of the first protrusion 23a and the light-shielding portion 26a. More specifically, the light-shielding film 6a is formed on the first surface 20a, the side surface 231a of the first protrusion 23a on the first surface 20a side, the upper surface 240a of the extension portion 24a, and the side surface 250a and upper surface 251a of the folded portion 25a.

[0014] In the electronic device 1a, for example, the first member 2a is made of a resin material having light-transmitting properties, and the second member 3a is made of a resin material having light-shielding properties. When illuminating at least a mark or the like provided on the first member 2a, the electronic device 1a forms a light-shielding film 6a on the first surface 20a side, and partially removes the light-shielding film 6a with a laser or the like to form a design such as a mark.

[0015] As described above, the electronic device 1a has the light-shielding portion 26a so as to prevent the illumination light 140a from leaking from the gap 4a, and further has the light-shielding film 6a on the upper surface 240a, side surface 250a, and upper surface 251a of the light-shielding portion 26a. For example, if the through-hole 5a is not formed, the film thickness of the extension portion 24a side of the first protrusion 23a and the extension portion 24a becomes thin due to air remaining in the groove formed by the first protrusion 23a and the light-shielding portion 26a during painting, and light may leak.

[0016] However, the light-shielding portion 26a in this embodiment has a plurality of through holes 5a through which air trapped in the groove and some of the paint can escape during painting, making it possible to form a light-shielding film 6a having a sufficient thickness on the extension portion 24a side of the first protrusion 23a and on the extension portion 24a, thereby suppressing leakage of illumination light 140a from the gap 4a. (Effects of the First Embodiment)

[0017] The electronic device 1a according to the present embodiment can reduce manufacturing costs. Specifically, the electronic device 1a can discharge air trapped in the grooves by the through-holes 5a and can suppress leakage of the illumination light 140a by forming the light-shielding film 6a by painting with a sufficient thickness, so that it is not necessary to separately manufacture the first member 2a by two-color molding, and manufacturing costs can be reduced compared to a case without the through-holes. [Second embodiment]

[0018] The second embodiment differs from the first embodiment in that the electronic device is an operating device for operating an air conditioner. (Overview of operation device 1)

[0019] Fig. 2(a) is a diagram of the inside of a vehicle equipped with an example of an operating device according to a second embodiment, and Fig. 2(b) is an example of a block diagram of the operating device. Fig. 3(a) is a diagram showing an example of an operating section of the operating device according to the second embodiment, and Fig. 3(b) is an example of a cross-sectional view of a cross section taken along line III(b)-III(b) in Fig. 3(a) as viewed from the direction of the arrow.

[0020] As an example, the operation device 1 of this embodiment is an electronic device that operates an air conditioner 8 of a vehicle 9, as shown in Fig. 2(a) and Fig. 2(b). The operation device 1 is disposed in a center console 90 of the vehicle 9. Note that the operation device 1 is not limited to the air conditioner 8, and may be used as an operation device for other in-vehicle devices or electronic devices.

[0021] As shown in Figures 3(a) and 3(b), the operating device 1 of this embodiment is roughly configured to include a first member 2 having a first protrusion 23 protruding from an end 22 of the first surface 20 toward the first back surface 21, a second member 3 having a second protrusion 33 protruding from an end 32 of the second surface 30 toward the second back surface 31 and facing the first protrusion 23 to form a gap 4, a light-shielding portion 26 having an extension portion 24 extending beyond the end 330 of the second protrusion 33 to an inner region 35 of the second member 3 and a folded portion 25 folded back from the extension portion 24 to the second back surface 31 side, and a plurality of through holes 5 provided on the inner region 35 side of the light-shielding portion 26 and through which paint passes when the first member 2 is painted.

[0022] This region 35 is, for example, the region surrounded by the second back surface 31 of the second member 3 and the surface extending from the inner surface 331 of the second protrusion 33, i.e., the region inside the dial, as shown in Figure 3(b).

[0023] The through holes 5 are formed at equal intervals as described later. The operating device 1 is an operating member in which one of the first member 2 and the second member 3 moves relative to the other by a user's operation. The other of the first member 2 and the second member 3 is a housing, or a decorative member attached to the housing and arranged around the operating member.

[0024] In the operating device 1 of this embodiment, the second member 3 is an operating member that moves relative to the first member 2 by a user's operation. The first member 2 is a housing 10 of the operating device 1, or a bezel that is attached to the housing 10 and arranged around the operating member as a decorative member. The first member 2 of this embodiment is arranged on the housing 10. As a modified example, the operating device 1 may have the first member 2 as the operating member and the second member 3 as a decorative member.

[0025] More specifically, the second member 3 is a rotatable dial, as shown in Figures 3(a) and 3(b). The first member 2 has a circular opening 220 for arranging the dial. The first protrusion 23 is formed in an annular shape along the circular opening 220. The multiple through holes 5 are formed in the light-shielding portion 26 so that the angles θ from the rotation center P of the dial are equal, as shown in Figure 4(a).

[0026] The first member 2 and the second member 3 constitute an operation section 11 of the operation device 1 together with an operation detection section 12 described later.

[0027] 3(b), the operating device 1 has a light-shielding film 6 formed of a paint having light-shielding properties on the first surface 20 and on the first surface 20 sides of the first protruding portion 23 and the light-shielding portion 26. More specifically, the light-shielding film 6 is formed on the side surface 231 of the first protruding portion 23, the upper surface 240 of the extending portion 24, and the side surface 250 and the upper surface 251 of the folded-back portion 25, which are connected to the first surface 20.

[0028] As shown in FIG. 2(b), the operating device 1 is generally configured to include an operation detection section 12, a switch section 13, an illumination section 14, a display section 15, and a control section 16.

[0029] The operation detection unit 12 detects the rotation operation of the second member 3 and outputs a rotation operation signal S1 indicating the amount of rotation to the control unit 16. The switch unit 13 is composed of a plurality of switches that allow the selection of an air outlet, a mode, etc., and outputs a switch signal S2 to the control unit 16 in response to the operation. The lighting unit 14 illuminates the mark 27 of the first member 2 and the indication mark 341 of the second member 3 in response to a drive signal S3 output from the control unit 16. The display unit 15 displays the set temperature, air volume, air outlet, etc. on the driver's seat side and passenger seat side based on a display signal S4 output from the control unit 16.

[0030] The control unit 16 is a microcomputer including, for example, a CPU (Central Processing Unit) that performs calculations and processing on acquired data according to a stored program, and semiconductor memories such as a RAM (Random Access Memory) and a ROM (Read Only Memory), etc. The control unit 16 generates a display signal S4 based on the rotation operation signal S1 and the switch signal S2 to control the display unit 15, and also generates a control signal S5 to control the air conditioner 8.

[0031] The air conditioner 8 is a unit that has a compressor, a temperature sensor, a fan, a motor, etc., and generates temperature-adjusted air, and sends the conditioned air into the vehicle cabin in response to a control signal S5 output from the control unit 16.

[0032] 3(b), the operation detection unit 12 and the illumination unit 14 are disposed on a substrate 17. Note that a plurality of illumination units 14 may be disposed on the substrate 17. (Configuration of the first member 2)

[0033] Fig. 4(a) is a diagram showing an example of a first member according to the second embodiment, Fig. 4(b) is a diagram for explaining an example of painting of the first member, and Fig. 4(c) is a diagram showing an example of a paint flow through a through hole. Fig. 4(b) is a cross-sectional view of a portion where a through hole 5 is not formed. Fig. 4(c) is a cross-sectional view of a portion where a through hole 5 is formed.

[0034] As shown in Fig. 4(a), the first member 2 has a cylindrical shape with an open bottom. The first member 2 is made of a light-transmitting resin material. The first member 2 and the light-shielding portion 26 are integrally formed of the same material.

[0035] 4(a), a plurality of marks 27 are formed on the first surface 20 to indicate the operation positions of the second member 3. As an example, the plurality of marks 27 have a long and narrow rectangular shape and are provided at intervals of 30°. The plurality of marks 27 may be designs such as shapes or letters indicating functions.

[0036] The marks 27 are formed by, for example, partially removing the light-shielding film 6 that blocks light with a laser or the like, but are not limited to this.

[0037] The first member 2 has an end 22, which is the inner edge of the first surface 20, forming a circular opening 220. The first protrusion 23 protrudes in the normal direction of the first back surface 21 of the end 22 to form a ring-shaped wall.

[0038] The first protruding portion 23 is provided with an extension portion 24 extending from a side surface of the tip portion 230 toward the second member 3. The folded portion 25 is provided to face the first protruding portion 23 across the extension portion 24. The extension portion 24 and the folded portion 25 have an annular shape, as shown in Fig. 4(a). Therefore, the first protruding portion 23, the extension portion 24, and the folded portion 25 form an annular groove 261.

[0039] The extending portion 24 and the folded portion 25 constitute a light-shielding portion 26. The light-shielding portion 26 is provided so as to prevent the illumination light 140 for illuminating the multiple marks 27 from leaking from the gap 4 to the outside.

[0040] As shown in FIG. 4(a), if the multiple marks 27 have a simple shape, the first member 2 can be formed from a material with high light-blocking properties, and then a through hole can be formed in the shape of the mark and a material with high light-transmitting properties can be inserted into it, making it easy to block light with the light-blocking portion 26.

[0041] However, for example, if the mark 27 has a complex shape, it is easier and provides greater freedom in shape to form the first member 2 from a highly light-transmitting material, then coat the surface with a paint having high light-blocking properties to form a light-blocking film 6, and then remove this light-blocking film 6 in the shape of the mark using a laser or the like, rather than forming a through hole in the shape of the mark.

[0042] When forming a light-shielding film 6 in a coating area 29 consisting of the side surface 28, the first surface 20, the side surface 231 of the first protrusion 23, the upper surface 240 of the extension portion 24, and the side surface 250 and upper surface 251 of the folded-back portion 25, as an example, as shown in Figure 4(b), if a through hole 5 is not formed, the light-shielding film 6 will have a sufficient area 290 with sufficient film thickness and a deficient area 291 where the paint does not spread evenly and the film thickness is insufficient.

[0043] The coating range 29 is a range within which a nozzle for spraying paint 60 moves, as shown by a dashed line in FIG. 4(b).

[0044] 4(b), the sufficient area 290 is the area above the solid line extending from the upper surface 251 of the folded portion 25, that is, the side surface 28, the first surface 20, the portion of the side surface 231 of the first protruding portion 23 above the upper surface 251, and the upper surface 251. In this sufficient area 290, the film thickness is a predetermined thickness, so that the illumination light 140 does not pass through.

[0045] On the other hand, the shortage region 291 is a region below the solid line extending from the top surface 251 of the folded-back portion 25, that is, a portion of the groove 261 formed by the portion below the top surface 251 of the side surface 231 of the first protruding portion 23, the top surface 240 of the extending portion 24, and the side surface 250 of the folded-back portion 25. In the shortage region 291, the film thickness is thinner than the predetermined thickness, so that the illumination light 140 easily passes through.

[0046] In particular, in the thin film region 292, if the through-hole 5 is not formed, the thickness of the light-shielding film 6 tends to be thin. Since the thin film region 292 is below the gap 4, when the illumination light 140 passes through the thin film region 292, the light leaks from the gap 4.

[0047] Since air exists in the grooves 261, if the air does not sufficiently escape from the grooves 261 when the paint 60 is sprayed into the grooves 261, the light-shielding film 6 will be formed thin. Therefore, the first member 2 is formed with through holes 5 that suppress the accumulation of air in the grooves 261 so that the paint 60 is sufficiently sprayed into the shortage region 291 to form the necessary film thickness. Regarding through hole 5

[0048] 4(a), the through holes 5 are formed at intervals of an angle θ from the center P of the first member 2. Note that the shape and number of the through holes 5 are merely examples and may be different.

[0049] As an example, the through hole 5 is cut out from the bottom surface 260 of the light blocking portion 26 to above the top surface 240 of the extension portion 24 in the folded portion 25, and penetrates from the side surface 250 of the folded portion 25 to the opposite side surface 252.

[0050] The through holes 5 are formed at locations where air does not remain in the grooves 261 during painting and where the illumination light 140 is unlikely to leak from the gaps 4. In other words, the through holes 5 are formed at locations where the air in the grooves 261 can be discharged to the outside together with a portion of the paint 60 by the sprayed paint 60, as shown in Fig. 4(c), and where the illumination light 140 is unlikely to leak into the gaps 4 through the through holes 5.

[0051] When the through hole 5 is provided, for example, between the first protrusion 23 and the second protrusion 33 of the second member 3, that is, below the gap 4, the illumination light 140 leaks from the gap 4 through the through hole 5. For this reason, the through hole 5 is formed on the opposite side, the folded portion 25 side, rather than on the thin film region 292 side. Therefore, the through hole 5 is formed in the light shielding portion 26, in the extension portion 24 on the folded portion 25 side, or from the extension portion 24 on the folded portion 25 side to a part of the folded portion 25.

[0052] During painting, the through holes 5 prevent air from stagnating in the grooves 261 of the light-shielding portion 26, so that the paint 60 adheres sufficiently to the extension portion 24 and the folded-back portion 25, forming a light-shielding film 6 of an appropriate thickness and preventing the formation of a shortage region 291. The through holes 5 have a size and shape proportional to the type, flow rate, etc. of the paint 60. Modifications of the through hole 5

[0053] 5(a) to 5(c) are diagrams showing an example of a modified through hole. The through holes 5 in this modified example are not formed on the thin film region 292 side, but on the extending portion 24 on the folded portion 25 side, or from the extending portion 24 on the folded portion 25 side to a part of the folded portion 25.

[0054] The through-hole 5 of the modified example shown in FIG. 5(a) has an end portion that is an extension of the upper surface 240 of the extending portion 24, and is provided in the middle of the folded portion 25.

[0055] 5(b), the through hole 5 is provided in the middle of the folded portion 25 above the upper surface 240 of the extending portion 24. This through hole 5 has a step formed at the location where the extending portion 24 and the folded portion 25 intersect.

[0056] The through hole 5 of the modified example shown in FIG. 5(c) is provided by cutting out a part of the extension portion 24 on the folded-back portion 25 side and below the folded-back portion 25. (Configuration of second member 3)

[0057] As an example, as shown in FIG. 3(a), the second member 3 has an indication mark 341 on the knob 34 as an illuminated portion. The knob 34 has a long and thin rectangular shape that is easy for a user to grasp. The indication mark 341 indicates a rotation operation position of the second member 3. The user pinches the knob 34 and rotates it so that the indication mark 341 points to the desired mark 27.

[0058] Since the only portion of the second member 3 that is illuminated is the indication mark 341, there is no need to apply a translucent resin material, and the second member 3 is formed of a resin material through which the illumination light 140 does not pass.

[0059] The second protrusion 33 of the second member 3 has a circular ring shape, and is inserted into the groove 261 of the first member 2 .

[0060] 3(b), the second member 3 has a cylindrical support 340 on the back side of the knob 34. This support 340 is inserted into the tip 120 of the operation detection unit 12 and rotates together with the tip 120. The operation detection unit 12 is configured to detect the amount of rotation of the second member 3 via the rotation of the tip 120. The second member 3 may be provided with a moderation mechanism that generates a moderation when an indication mark 341 coincides with the mark 27. (Configuration of light-shielding film 6)

[0061] The light-shielding film 6 is a film that does not transmit illumination light 140. The light-shielding film 6 is formed across the first surface 20 of the first member 2, the side surface 231 of the first protrusion 23, the upper surface 240 of the extension portion 24, the side surface 250 of the folded-back portion 25, and the upper surface 251 of the folded-back portion 25.

[0062] The second member 3 in this embodiment is a dial that can be rotated, but is not limited to this and may be an operating part that can be slid. (Effects of the second embodiment)

[0063] In the operating device 1 of this embodiment, the light-shielding film 6 can be formed with sufficient thickness in the thin film region 292 where a thin film is likely to be formed when the through-hole 5 is not formed, and therefore, compared to the case where the through-hole is not formed, there is no need for two-color molding in which the light-shielding portion 26 is made of a separate material with high light-shielding properties, and the manufacturing cost can be reduced. Furthermore, since the light-shielding film 6 can be formed with sufficient thickness, the illumination light 140 is unlikely to leak from the gap 4, and the operating device 1 has excellent design.

[0064] The operating device 1 has a through hole 5 at a location that is shaded by the upper surface 251 of the folded portion 25 during painting, and therefore, compared to a case in which this configuration is not adopted, the air remaining in the groove 261 and some of the paint 60 can be discharged, allowing a light-shielding film 6 of sufficient thickness to be formed even in the shaded portion.

[0065] Since the operating device 1 has the through-hole 5, the degree of freedom in the shapes of the first protrusion 23 and the light blocking portion 26 is higher than in the case where a through-hole is not used.

[0066] Although some embodiments and modifications of the present invention have been described above, these embodiments and modifications are merely examples and do not limit the invention according to the claims. These novel embodiments and modifications can be implemented in various other forms, and various omissions, substitutions, modifications, etc. can be made without departing from the gist of the present invention. In addition, not all combinations of features described in these embodiments and modifications are necessarily essential to the means for solving the problems of the invention. Furthermore, these embodiments and modifications are included in the scope and gist of the invention, and are included in the scope of the invention and its equivalents described in the claims. [Explanation of symbols]

[0067] Reference Signs List 1,1a...electronic device, 2,2a...first member, 3,3a...second member, 4,4a...gap, 5,5a...through hole, 6,6a...light-shielding film, 10...housing, 20,20a...first surface, 21,21a...first back surface, 22,22a...end, 23,23a...first protrusion, 24,24a...extension, 25,25a...folded-back portion, 26,26a...light-shielding portion, 30,30a...second surface, 31,31a...second back surface, 32,32a...end, 33,33a...second protrusion, 35,35a...area, 60...paint, 140,140a...illumination light, 230,230a...tip, 261...groove, 330,330a...tip

Claims

1. a first member having a first protruding portion protruding from an end portion of a first front surface toward a first back surface side; a second member having a second protruding portion protruding from an end portion of a second front surface toward a second back surface side and facing the first protruding portion to form a gap; a light-shielding portion provided at a tip of the first protrusion so as to prevent illumination light from the first back surface and the second back surface from leaking out of the gap, the light-shielding portion having an extension portion extending beyond the tip of the second protrusion into an inner region of the second member and a folded portion folded back from the extension portion to the second back surface side; a plurality of through holes provided on the inner region side of the light blocking portion, through which paint passes when the first member is painted; Electronic equipment equipped with

2. The plurality of through holes are formed at equal intervals.

2. The electronic device according to claim 1.

3. The first member and the light-shielding portion are integrally formed of the same material.

3. The electronic device according to claim 1 or 2.

4. one of the first member and the second member is an operation member that moves relative to the other member in response to an operation by a user; the other of the first member and the second member is a housing, or a decorative member attached to the housing and arranged around the operation member; The electronic device according to claim 1 .

5. the second member is a rotatable dial, the first member has a circular opening for receiving the dial; The first protrusion is formed in an annular shape along the circular opening, The plurality of through holes are formed in the light-shielding portion so as to be spaced apart from the rotation center of the dial at equal angles. The electronic device according to claim 1 .

6. a light-shielding film formed of the paint having light-shielding properties on the first surface and on the first surface side of the first protrusion and the light-shielding portion; The electronic device according to claim 1 .

Images