Display device

Abstract

To provide a technique capable of reducing the number of components in a display device.SOLUTION: The display device comprises: a first light emission unit that emits light; a second light emission unit that emits light; and a housing. The housing defines an internal space in which the first and second light emission units are arranged, and includes a transmission part that transmits the light from the internal space of the housing to the outside, a partition wall that is formed integrally with the transmission part and that partitions the internal space of the housing into a first storage space in which the first light emission unit is disposed and a second storage space in which the second light emission unit is disposed, and a first shielding part that is disposed on the surface of the transmission part, has a light transmittance smaller than that of the transmission part and defines a first display element disposed in the first storage space and a second display element disposed in the second storage space.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The technology disclosed in this specification relates to a display device. [Background technology]

[0002] Patent Document 1 discloses a display device. The display device includes a first light-emitting unit that emits light, a second light-emitting unit that emits light, and a housing. The housing defines an internal space in which the first light-emitting unit and the second light-emitting unit are disposed, and includes a transmission unit that transmits light from the internal space of the housing to the outside, a partition unit that divides the internal space of the housing into a first storage space in which the first light-emitting unit is disposed and a second storage space in which the second light-emitting unit is disposed, and a first shielding unit that is disposed on the surface of the transmission unit, has a light transmittance smaller than that of the transmission unit, and defines a display element. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] European Patent Application Publication No. 3865250 Summary of the Invention [Problem to be solved by the invention]

[0004] In the above display device, the transmissive portion and the partition wall are formed separately. This increases the number of components of the display device. The present specification aims to provide a technique for reducing the number of components of the display device. [Means for solving the problem]

[0005] This specification discloses a display device. The display device includes a first light-emitting unit that emits light, a second light-emitting unit that emits light, and a housing. The housing defines an internal space in which the first light-emitting unit and the second light-emitting unit are disposed, and includes a transmission unit that transmits light from the internal space of the housing to the outside, a partition unit that is integrally formed with the transmission unit and divides the internal space of the housing into a first housing space in which the first light-emitting unit is disposed and a second housing space in which the second light-emitting unit is disposed, and a first shielding unit that is disposed on a surface of the transmission unit, has a light transmittance smaller than that of the transmission unit, and defines a first display element disposed in the first housing space and a second display element disposed in the second housing space.

[0006] According to the above configuration, the partition portion is formed integrally with the transmissive portion, which makes it possible to reduce the number of components of the display device. [Brief description of the drawings]

[0007] [Figure 1] FIG. 1 is a perspective view of a working machine 2 of a first embodiment. [Diagram 2] FIG. 2 is a perspective view of a display device 16 according to the first embodiment. [Diagram 3] 1 is a cross-sectional view of a display device 16 according to a first embodiment. [Figure 4] 2 is an enlarged cross-sectional view of a first housing portion 42 in the display device 16 of the first embodiment. FIG. [Diagram 5] 4 is a cross-sectional view of a transmission portion 52, a partition portion 54, and a side wall portion 94 in the first embodiment. [Figure 6] 1 is a cross-sectional view of the transmissive portion 52, the partition portion 54, the side wall portion 94, the first shielding portion 56, and the second shielding portion 58 before the first display element 82 and the second display element 84 are formed in the first embodiment. [Figure 7] 1 is a cross-sectional view of the transmissive portion 52, the partition portion 54, the side wall portion 94, the first shielding portion 56, and the second shielding portion 58 after the first display element 82 and the second display element 84 are formed in the first embodiment. [Figure 8] 11 is an enlarged cross-sectional view of a first housing portion 42 in a display device 16 of a second embodiment. FIG. [Figure 9]13 is an enlarged cross-sectional view of a first housing portion 42 in a display device 16 of a third embodiment. FIG. [Figure 10] 13 is an enlarged cross-sectional view of a first housing portion 42 in a display device 16 of a fourth embodiment. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Representative and non-limiting examples of the present invention are described in detail below with reference to the drawings. This detailed description is intended simply to provide those skilled in the art with details for implementing preferred examples of the present invention, and is not intended to limit the scope of the present invention. In addition, the additional features and inventions disclosed can be used separately or together with other features and inventions to provide further improved display devices, methods of making and using the same.

[0009] In addition, the combinations of features and steps disclosed in the following detailed description are not essential for implementing the present invention in the broadest sense, but are specifically described only to illustrate representative embodiments of the present invention. Furthermore, the various features of the following representative embodiments and the various features described in the claims do not have to be combined in the exact manner of the embodiments described herein or in the order listed in order to provide additional and useful embodiments of the present invention.

[0010] All features described in the specification and / or claims are intended to be disclosed individually and independently of one another as limitations to the specific features described in the original disclosure and claims, apart from the configuration of features described in the examples and / or claims. Furthermore, all numerical ranges and group or aggregate descriptions are intended to disclose intermediate configurations thereof as limitations to the specific features described in the original disclosure and claims.

[0011] In one or more embodiments, an inner surface of the transmissive portion may define an interior space. The first shielding portion may be disposed on the inner surface of the transmissive portion.

[0012] In a configuration in which the first shielding portion is disposed on the outer surface of the transmissive portion, for example, the first shielding portion may be scratched when the display device is touched by a user. According to the above configuration, since the first shielding portion is disposed on the inner surface of the transmissive portion, it is possible to prevent scratches from being formed on the first shielding portion.

[0013] In one or more embodiments, the housing may further include a first diffusing portion disposed in the first shielding portion and configured to diffuse light.

[0014] According to the above configuration, the light is diffused by the first diffusion section and passes through the first display element and the second display element, so that the user can view the first display element and the second display element even when the user tilts the display device.

[0015] In one or more embodiments, the material of the transmissive portion may be the same as the material of the partition portion. The housing may further include a second shielding portion disposed in the partition portion and having a light transmittance smaller than the light transmittance of the transmissive portion.

[0016] According to the above configuration, it is possible to prevent light emitted by the first light-emitting portion from passing through the second display element via the partition portion, and it is possible to prevent light emitted by the second light-emitting portion from passing through the first display element via the partition portion.

[0017] In one or more embodiments, the material of the second shielding portion may be the same as the material of the first shielding portion.

[0018] According to the above configuration, the display device can be easily manufactured.

[0019] In one or more embodiments, the display device may further include a substrate on which the first light emitting portion and the second light emitting portion are mounted and which is fixed to the housing. The substrate may abut against the abutment region of the partition. The second shielding portion may not be disposed in the abutment region.

[0020] The second shielding portion on the partition may have minute projections and recesses. In a configuration in which the second shielding portion is disposed in the abutment region, the substrate may come into contact with the minute projections and recesses of the second shielding portion, making it difficult to stably fix the substrate to the housing. With the above configuration, the substrate can be stably fixed to the housing.

[0021] In one or more embodiments, the housing may further include a first diffusion portion disposed in the first shielding portion and diffusing the light, and a second diffusion portion disposed in the second shielding portion and diffusing the light.

[0022] According to the above configuration, a portion of the light emitted by the first light-emitting portion hits the second diffusion portion and is diffused toward the first display element. This can improve the visibility of the first display element. Also, a portion of the light emitted by the second light-emitting portion hits the second diffusion portion and is diffused toward the second display element. This can improve the visibility of the second display element.

[0023] In one or more embodiments, the material of the first diffusing portion may be the same as the material of the second diffusing portion.

[0024] According to the above configuration, the display device can be easily manufactured.

[0025] In one or more embodiments, the transmissive portion may define the outer shape of the housing.

[0026] According to the above configuration, the configuration of the housing can be simplified.

[0027] In one or more embodiments, the light transmittance of the transmissive portion may be greater than or equal to 5% and less than or equal to 80%.

[0028] According to the above configuration, when neither the first light-emitting section nor the second light-emitting section is emitting light, it is possible to prevent the first display element and the second display element from being viewed.

[0029] (First Example) As shown in Fig. 1, the working machine 2 is, for example, a handheld chain saw. The working machine 2 includes a main housing 4, a front handle 6, a guide bar 8, a motor 10, a control unit 11, a saw chain 12, a main power switch 14, a trigger 15, and a display device 16. The main housing 4 includes a rear handle 18 located at the rear. Hereinafter, when the working machine 2 is placed on a surface such as the ground, the direction perpendicular to the surface is referred to as the up-down direction, the direction in which the longitudinal direction of the guide bar 8 is projected onto the surface is referred to as the front-rear direction, and the direction perpendicular to the up-down direction and the front-rear direction is referred to as the left-right direction.

[0030] The front handle 6 is fixed to the main body housing 4. The front handle 6 extends from the right surface of the main body housing 4 to the upper front side, then bends and extends to the left, and then bends and extends downward. When working with the work machine 2, a user holds the front handle 6 with one hand and holds the rear handle 18 with the other hand.

[0031] The guide bar 8 has a long and narrow plate shape and is fixed to the main body housing 4 so as to protrude forward from the main body housing 4.

[0032] The motor 10 is disposed inside the main body housing 4. The motor 10 is, for example, a brushless motor. The motor 10 is operated by power supplied from a battery pack BP. The battery pack BP is detachably attached to the main body housing 4.

[0033] The control unit 11 is disposed inside the main body housing 4. The control unit 11 controls the motor 10.

[0034] The saw chain 12 is attached to the guide bar 8 along the periphery of the guide bar 8. When the motor 10 rotates, the saw chain 12 is driven to rotate along the periphery of the guide bar 8. In this way, an object to be cut, such as wood, is cut.

[0035] The main power switch 14 is disposed on the rear handle 18. The main power switch 14 can be switched between an on state and an off state in response to a user's operation. When the main power switch 14 is in the on state, power from the battery pack BP can be supplied to the motor 10. When the main power switch 14 is in the off state, power from the battery pack BP cannot be supplied to the motor 10.

[0036] The trigger 15 is attached to the rear handle 18 so as to be capable of being depressed. When the main power switch 14 is in the on state, the motor 10 rotates when the trigger 15 is depressed.

[0037] The display device 16 is disposed on the upper surface of the main body housing 4. The display device 16 is disposed on the front side of the battery pack BP. The display device 16 is disposed near the front handle 6. The display device 16 is visually recognized by the user when the user is holding the front handle 6 and the rear handle 18. In a modified example, the display device 16 is disposed so as to be parallel to a line connecting the upper end of the front handle 6 and the upper end of the rear handle 18, and is disposed so as to be inclined with respect to the surface when the work machine 2 is placed on a surface such as the ground. This can improve the visibility of the display device 16 by the user.

[0038] As shown in Fig. 2, the display device 16 displays the state of the work machine 2. The display device 16 displays, for example, an ON indicator 20 indicating that the main power switch 14 (see Fig. 1) is ON, and a remaining battery indicator 22 indicating that the remaining power of the battery pack BP (see Fig. 1) is equal to or less than a predetermined value.

[0039] As shown in FIG. 3, the display device 16 includes a housing 30, a substrate 32, a first light-emitting portion 34, a second light-emitting portion 36, an adhesive 38, and a lead wire 40. The housing 30 defines the outer shape of the display device 16. A portion of the housing 30 is exposed to the outside of the working machine 2 (see FIG. 1). The housing 30 includes a first housing portion 42 and a second housing portion 44. The first housing portion 42 defines the outer shape of the upper portion of the housing 30. The first housing portion 42 defines a first internal space 46 therein. The second housing portion 44 defines the outer shape of the lower portion of the housing 30. The second housing portion 44 defines a second internal space 48 therein.

[0040] The substrate 32 is disposed in the second internal space 48. The substrate 32 has a plate shape. An upper surface 32a of the substrate 32 abuts against the first housing portion 42 from below.

[0041] The first light-emitting unit 34 and the second light-emitting unit 36 ​​are mounted on the upper surface 32a of the substrate 32. The first light-emitting unit 34 and the second light-emitting unit 36 ​​are disposed in the first internal space 46. The first light-emitting unit 34 and the second light-emitting unit 36 ​​are, for example, LED elements. The first light-emitting unit 34 and the second light-emitting unit 36 ​​are controlled by the control unit 11 (see FIG. 1). The first light-emitting unit 34 and the second light-emitting unit 36 ​​emit light using the power of the battery pack BP (see FIG. 1). The first light-emitting unit 34 emits light when the main power switch 14 (see FIG. 1) is in the on state. The second light-emitting unit 36 ​​emits light when the remaining power of the battery pack BP (see FIG. 1) is equal to or less than a predetermined value.

[0042] The adhesive 38 is disposed in the second internal space 48. The adhesive 38 is in contact with the lower surface 32b of the substrate 32. The lower surface 32b is the surface opposite to the upper surface 32a. With the upper surface 32a of the substrate 32 in contact with the first housing portion 42 from below, the adhesive 38 is injected into the second internal space 48 and solidifies, thereby fixing the substrate 32 to the housing 30.

[0043] The lead wire 40 is connected to the lower surface 32b of the substrate 32. The lead wire 40 passes through the adhesive 38 and extends from the second internal space 48 to the outside of the housing 30. The lead wire 40 is connected to the control unit 11 (see FIG. 1).

[0044] As shown in FIG. 4, the first housing section 42 includes a transmission section 52, a partition section 54, a first shielding section 56, a second shielding section 58, a first diffusion section 60, and a second diffusion section 62.

[0045] The transmitting portion 52 defines the outer shape of the first storage portion 42. A part of the transmitting portion 52 is exposed to the outside of the work machine 2 (see FIG. 1). An inner surface 52a of the transmitting portion 52 defines the first internal space 46. The transmitting portion 52 is configured to transmit light. The transmitting portion 52 is made of a light-transmitting material. The light-transmitting material is, for example, acrylic, polycarbonate, polyamide, or ABS. The light transmittance of the transmitting portion 52 is 5% or more and 80% or less. The light transmittance of the transmitting portion 52 may be 5% or more and 50% or less, 10% or more and 35% or less, or 10% or more and 20% or less.

[0046] The transmitting portion 52 includes an upper wall portion 66, a side wall portion 68, and a lower wall portion 70. The upper wall portion 66 is exposed to the outside of the working machine 2 (see FIG. 1). The upper wall portion 66 has a rectangular wall shape. The side wall portion 68 is disposed on the entire periphery of the upper wall portion 66. The side wall portion 68 extends downward from the periphery of the upper wall portion 66. The side wall portion 68 surrounds the first light-emitting portion 34 and the second light-emitting portion 36. The lower wall portion 70 is disposed at a lower portion of the outer surface of the side wall portion 68. The lower wall portion 70 extends from the outer surface of the side wall portion 68 to the outside of the side wall portion 68 along a plane including the front-rear direction and the left-right direction. The side wall portion 68 and the lower wall portion 70 abut against the upper surface 32a of the substrate 32.

[0047] The partition portion 54 is disposed in the first internal space 46. The partition portion 54 is configured to transmit light. The material of the partition portion 54 is the same as the material of the transmission portion 52. The partition portion 54 is disposed between the first light-emitting portion 34 and the second light-emitting portion 36. The partition portion 54 divides the first internal space 46 into a first housing space 72 and a second housing space 74. The first light-emitting portion 34 is disposed in the first housing space 72. The second light-emitting portion 36 is disposed in the second housing space 74.

[0048] The partition wall portion 54 is formed integrally with the upper wall portion 66. The partition wall portion 54 extends downward from an inner surface 66a of the upper wall portion 66 toward the upper surface 32a of the substrate 32. The lower surface 54a of the partition wall portion 54 abuts against the upper surface 32a of the substrate 32. The lower surface 54a of the partition wall portion 54 corresponds to the abutment region of the substrate 32.

[0049] The first shielding portion 56 is disposed on the inner surface 66a of the upper wall portion 66 and the inner surface 68a of the side wall portion 68. The inner surface 66a of the upper wall portion 66 and the inner surface 68a of the side wall portion 68 are each a part of the inner surface 52a of the transmission portion 52. The first shielding portion 56 is configured not to transmit light. The light transmittance of the first shielding portion 56 is smaller than the light transmittance of the transmission portion 52. The light transmittance of the first shielding portion 56 is 1% or less. The first shielding portion 56 is made of a light-opaque material. The first shielding portion 56 is made of a black material. The first shielding portion 56 is made of, for example, an acrylic paint. The first shielding portion 56 is made of a coating film. The thickness of the first shielding portion 56 is 1 μm or more and 50 μm or less. This reduces the amount of coating of the first shielding portion 56 while suppressing the transmission of light through the first shielding portion 56. The thickness of the first shielding portion 56 may be not less than 3 μm and not more than 30 μm, or may be not less than 5 μm and not more than 20 μm.

[0050] The first shielding portion 56 includes a first right shielding portion 78 and a first left shielding portion 80. The first right shielding portion 78 is disposed in the first housing space 72. A first display element 82 is defined in the first right shielding portion 78. The first display element 82 is disposed on the inner surface 66a of the upper wall portion 66. The first display element 82 is formed, for example, by removing a portion of the first right shielding portion 78 with a laser. Therefore, light can pass through the first display element 82. The first display element 82 has a shape that defines the outer shape of the ON display 20 (see FIG. 2). When the first light-emitting portion 34 emits light, the light passes through the first display element 82, and the ON display 20 is displayed on the display device 16.

[0051] The first left shielding portion 80 is disposed in the second housing space 74. A second display element 84 is defined in the first left shielding portion 80. The second display element 84 is disposed on the inner surface 66a of the upper wall portion 66. The second display element 84 is formed, for example, by removing a portion of the first left shielding portion 80 with a laser. This allows light to pass through the second display element 84. The second display element 84 has a shape that defines the outline of the remaining battery level indicator 22 (see FIG. 2). When the second light-emitting portion 36 emits light, the light passes through the second display element 84, and the remaining battery level indicator 22 is displayed on the display device 16.

[0052] The second shielding portion 58 is disposed on the side surface 54b of the partition portion 54. The second shielding portion 58 is not disposed on the lower surface 54a of the partition portion 54. The second shielding portion 58 is disposed in each of the first accommodating space 72 and the second accommodating space 74.

[0053] The second shielding portion 58 is configured to be light-impermeable. The material of the second shielding portion 58 is the same as the material of the first shielding portion 56. The second shielding portion 58 is made of a coating film. The thickness of the second shielding portion 58 is approximately the same as the thickness of the first shielding portion 56.

[0054] The first diffusion section 60 is disposed on the first shielding section 56. The first shielding section 56 is sandwiched between the inner surface 66a of the upper wall section 66 and the first diffusion section 60, and between the inner surface 68a of the side wall section 68 and the first diffusion section 60. The first diffusion section 60 is configured to diffuse light. The first diffusion section 60 is made of a light diffusion material. The light transmittance of the first diffusion section 60 is smaller than the light transmittance of the transmission section 52. The first diffusion section 60 is made of a white material. The first diffusion section 60 is made of, for example, an acrylic paint. The first diffusion section 60 is made of a coating film. The thickness of the first diffusion section 60 is 3 μm or more and 100 μm or less. Thereby, the first diffusion section 60 diffuses light while suppressing a decrease in light transmittance. The thickness of the first diffusion section 60 may be 5 μm or more and 50 μm or less, or may be 10 μm or more and 30 μm or less.

[0055] The first diffusion section 60 includes a first right diffusion section 88 and a first left diffusion section 90. The first right diffusion section 88 is disposed in the first housing space 72. The first right diffusion section 88 is disposed on the first right shielding section 78. The first right shielding section 78 is sandwiched between the first right diffusion section 88 and the transmission section 52. The first right diffusion section 88 is disposed between the first right shielding section 78 and the first light-emitting section 34. The first right diffusion section 88 covers the first display element 82. The light diffused by the first right diffusion section 88 passes through the first display element 82. This allows the user to view the on display 20 (see FIG. 2) even when the display device 16 is tilted. In FIG. 4, the light is illustrated by an arrow line.

[0056] The first left diffusion section 90 is disposed in the second housing space 74. The first left diffusion section 90 is disposed on the first left shielding section 80. The first left shielding section 80 is sandwiched between the first left diffusion section 90 and the transmission section 52. The first left diffusion section 90 is disposed between the first left shielding section 80 and the second light-emitting section 36. The first left diffusion section 90 covers the second display element 84. The light diffused by the first left diffusion section 90 passes through the second display element 84. This allows the user to view the remaining battery level indicator 22 (see FIG. 2) even when the display device 16 is tilted.

[0057] The second diffusion portion 62 is disposed on the second shielding portion 58. The second shielding portion 58 is disposed between the side surface 54b of the partition portion 54 and the second diffusion portion 62. The second diffusion portion 62 is not disposed on the lower surface 54a of the partition portion 54. The second diffusion portion 62 is disposed in each of the first accommodating space 72 and the second accommodating space 74.

[0058] The second diffusion section 62 is configured to diffuse light. The material of the second diffusion section 62 is the same as the material of the first diffusion section 60. The second diffusion section 62 is made of a coating film. The thickness of the second diffusion section 62 is approximately the same as the thickness of the first diffusion section 60.

[0059] As shown in FIG. 3, the second accommodating section 44 has a side wall portion 94. The side wall portion 94 is disposed on the entire periphery of the lower wall portion 70 of the transmitting section 52. The side wall portion 94 extends downward from the periphery of the lower wall portion 70. The side wall portion 94 is integrally formed with the transmitting section 52. The side wall portion 94 is configured to transmit light. The side wall portion 94 is made of a light-transmitting material. The material of the side wall portion 94 is the same as the material of the transmitting section 52. By integrally molding the first accommodating section 42 and the second accommodating section 44, the housing 30 can be easily manufactured.

[0060] A manufacturing method of the housing 30 will be described. First, as shown in FIG. 5, the transmissive portion 52, the partition wall portion 54, and the side wall portion 94 are manufactured by integral molding. Next, as shown in FIG. 6, the first shielding portion 56 is applied to the inner surface 66a of the upper wall portion 66 and the inner surface 68a of the side wall portion 68. Also, the second shielding portion 58 is applied to the side surface 54b of the partition wall portion 54. Next, as shown in FIG. 7, a part of the first right shielding portion 78 is removed by a laser to form a first display element 82 in the first right shielding portion 78. Also, a part of the first left shielding portion 80 is removed by a laser to form a second display element 84 in the first left shielding portion 80. Finally, as shown in FIG. 3, the first diffusion portion 60 is applied to the first shielding portion 56. Also, the second diffusion portion 62 is applied to the second shielding portion 58.

[0061] (effect) The display device 16 of this embodiment includes a first light-emitting section 34 that emits light, a second light-emitting section 36 that emits light, and a housing 30. The housing 30 defines a first internal space 46 (an example of an internal space) in which the first light-emitting section 34 and the second light-emitting section 36 are disposed, and includes a transmissive section 52 that transmits light from the first internal space 46 of the housing 30 to the outside, a partition wall section 54 that is integrally formed with the transmissive section 52 and divides the first internal space 46 of the housing 30 into a first housing space 72 in which the first light-emitting section 34 is disposed and a second housing space 74 in which the second light-emitting section 36 is disposed, and a first shielding section 56 that is disposed on the surface of the transmissive section 52, has a light transmittance smaller than that of the transmissive section 52, and defines a first display element 82 disposed in the first housing space 72 and a second display element 84 disposed in the second housing space 74.

[0062] According to the above configuration, the partition wall 54 is formed integrally with the transmissive portion 52. This allows the number of components of the display device 16 to be reduced.

[0063] Moreover, the inner surface 52a of the transmitting portion 52 defines the first internal space 46. The first shielding portion 56 is disposed on the inner surface 52a of the transmitting portion 52.

[0064] In a configuration in which the first shielding portion 56 is disposed on the outer surface of the transmissive portion 52, for example, a user may touch the display device 16, which may result in scratches being formed on the first shielding portion 56. According to the above configuration, the first shielding portion 56 is disposed on the inner surface 52a of the transmissive portion 52, and therefore, the formation of scratches on the first shielding portion 56 can be suppressed.

[0065] The housing 30 is further provided with a first diffusion section 60 that is disposed in the first shielding section 56 and that diffuses light.

[0066] According to the above configuration, the light is diffused by the first diffusion section 60 and passes through the first display element 82 and the second display element 84. This allows the user to view the first display element 82 and the second display element 84 even when the display device 16 is tilted.

[0067] The material of the transmissive portion 52 is the same as the material of the partition portion 54. The housing 30 is further provided with a second shielding portion 58 that is disposed in the partition portion 54 and has a light transmittance smaller than that of the transmissive portion 52.

[0068] According to the above configuration, it is possible to prevent light emitted by the first light-emitting section 34 from passing through the second display element 84 via the partition section 54, and it is possible to prevent light emitted by the second light-emitting section 36 from passing through the first display element 82 via the partition section 54.

[0069] The second shielding portion 58 is made of the same material as the first shielding portion 56 .

[0070] According to the above configuration, the display device 16 can be manufactured easily.

[0071] The display device 16 further includes a substrate 32 on which the first light-emitting unit 34 and the second light-emitting unit 36 ​​are mounted and which is fixed to the housing 30. The substrate 32 abuts against a lower surface 54a (an example of a contact area) of the partition wall 54. The second shielding unit 58 is not disposed on the lower surface 54a.

[0072] Small irregularities may be formed on the second shielding portion 58 on the partition portion 54. In a configuration in which the second shielding portion 58 is disposed on the lower surface 54a, the substrate 32 may come into contact with the small irregularities of the second shielding portion 58, making it impossible to stably fix the substrate 32 to the housing 30. With the above configuration, the substrate 32 can be stably fixed to the housing 30.

[0073] In addition, the housing 30 further includes a first diffusion section 60 arranged in the first shielding section 56 for diffusing light, and a second diffusion section 62 arranged in the second shielding section 58 for diffusing light.

[0074] According to the above configuration, a portion of the light emitted by the first light-emitting unit 34 hits the second diffusion unit 62 and is diffused toward the first display element 82. This can improve the visibility of the first display element 82. Also, a portion of the light emitted by the second light-emitting unit 36 ​​hits the second diffusion unit 62 and is diffused toward the second display element 84. This can improve the visibility of the second display element 84.

[0075] Moreover, the material of the first diffusion portion 60 is the same as the material of the second diffusion portion 62 .

[0076] According to the above configuration, the display device 16 can be manufactured easily.

[0077] Moreover, the transmitting portion 52 defines the outer shape of the housing 30 .

[0078] According to the above-mentioned configuration, the configuration of the housing 30 can be simplified.

[0079] The light transmittance of the transmitting portion 52 is not less than 5% and not more than 80%.

[0080] According to the above configuration, when neither the first light-emitting section 34 nor the second light-emitting section 36 is emitting light, it is possible to prevent the first display element 82 and the second display element 84 from being visible.

[0081] (Second Example) In the second embodiment, a description will be given of the differences from the first embodiment. As shown in Fig. 8, the first shielding portion 56 includes a first inner shielding portion 156 and a first outer shielding portion 158.

[0082] The first inner shielding portion 156 is disposed on the inner surface 68a of the side wall portion 68. The first inner shielding portion 156 is disposed in each of the first accommodating space 72 and the second accommodating space 74.

[0083] The first outer shielding portion 158 is disposed outside the housing 30. The first outer shielding portion 158 is disposed on the outer surface 66b of the upper wall portion 66. The outer surface 66b defines a part of the outer shape of the housing 30. The outer surface 66b is the surface of the upper wall portion 66 opposite to the inner surface 66a.

[0084] The first outer shielding portion 158 defines a first display element 82 and a second display element 84. The first display element 82 is disposed directly above the first light emitter 34. The second display element 84 is disposed directly above the second light emitter 36.

[0085] The housing 30 includes only the first diffusion portion 60, and does not include the second diffusion portion 62 of the first embodiment. The first diffusion portion 60 is disposed outside the housing 30. The first diffusion portion 60 is disposed on the first outer shielding portion 158. The first outer shielding portion 158 is sandwiched between the first diffusion portion 60 and the outer surface 66b of the upper wall portion 66.

[0086] (Third Example) In the third embodiment, differences from the second embodiment will be described. As shown in Fig. 9, the first diffusion portion 60 is disposed on the outer surface 66b of the upper wall portion 66. The first outer shielding portion 158 is disposed on the first diffusion portion 60. The first diffusion portion 60 is sandwiched between the first outer shielding portion 158 and the outer surface 66b of the upper wall portion 66.

[0087] (Fourth Example) In the fourth embodiment, differences from the first embodiment will be described. As shown in Fig. 10, the housing 30 has only the first diffusion section 60, and does not have the second diffusion section 62 of the first embodiment. The first diffusion section 60 is disposed outside the housing 30. The first diffusion section 60 is disposed on the outer surface 66b of the upper wall section 66.

[0088] (Modification) The work machine 2 according to one embodiment may be a work machine other than a chainsaw, for example, a grass cutter, a lawn mower, a hedge trimmer, a blower, a transport vehicle, a snow blower, or a tiller.

[0089] In the display device 16 according to one embodiment, the number of displays displayed on the display device 16 is not limited to two, the on display 20 and the battery remaining amount display 22, and may be three or more. For example, the number of displays displayed on the display device 16 may be four or six. In this case, the display device 16 is provided with the same number of light-emitting units and storage spaces as the number of displays displayed on the display device 16.

[0090] In the display device 16 according to one embodiment, the first shielding section 56, the second shielding section 58, the first diffusion section 60, and the second diffusion section 62 may be formed using a vapor deposition method, may be formed from a film, or may be formed by insert molding.

[0091] The display device 16 according to an embodiment does not necessarily have to include the first diffusion section 60 and the second diffusion section 62.

[0092] The transmitting portion 52 and the partition wall portion 54 according to one embodiment may be formed by integral molding using the same material. Alternatively, the transmitting portion 52 and the partition wall portion 54 may be separate members and integrally formed by bonding. In this case, the material of the transmitting portion 52 may be the same as or different from the material of the partition wall portion 54.

[0093] The partition wall 54 according to the embodiment may be configured to be opaque to light, or may be configured to diffuse light.

[0094] In one embodiment, the material of the first shielding portion 56 may be different from the material of the second shielding portion 58 .

[0095] In one embodiment, the material of the first diffusing portion 60 may be different from the material of the second diffusing portion 62 . [Explanation of symbols]

[0096] 2: Work equipment 16:Display device 20: On display 22: Battery remaining capacity display 30: Housing 32: Substrate 34: First light emitting part 36: Second light emitting part 46: 1st internal space 48:Second internal space 52:Transparent part 54: Partition wall part 56: 1st shielding part 58:Second shielding part 60: First diffusion section 62: Second diffusion section 66: Upper wall part 66a: Inside 68: Side wall 68a: Inside 72: First Storage Space 74: Second storage space 82 :1st display element 84 :Second display element BP: Battery pack

Claims

1. A first light emitting unit that emits light; A second light emitting unit that emits light; a housing; and The housing includes: a transmission portion that defines an internal space in which the first light emitting portion and the second light emitting portion are disposed and transmits light from the internal space of the housing to the outside; a partition wall portion formed integrally with the transmission portion and dividing the internal space of the housing into a first accommodation space in which the first light-emitting portion is disposed and a second accommodation space in which the second light-emitting portion is disposed; A display device comprising: a first shielding portion disposed on a surface of the transmissive portion, having a light transmittance smaller than the light transmittance of the transmissive portion, and defining a first display element disposed in the first accommodating space and a second display element disposed in the second accommodating space.

2. An inner surface of the transmission portion defines the internal space, The display device according to claim 1 , wherein the first shielding portion is disposed on the inner surface of the transmissive portion.

3. The display device according to claim 2 , wherein the housing further comprises a first diffusion portion disposed in the first shielding portion and configured to diffuse light.

4. The material of the transmission portion is the same as the material of the partition portion, The display device according to claim 1 , wherein the housing further comprises a second shielding portion disposed on the partition portion and having a light transmittance smaller than the light transmittance of the transmissive portion.

5. The display device according to claim 4 , wherein the second shielding portion is made of the same material as the first shielding portion.

6. The first light emitting unit and the second light emitting unit are mounted on a substrate fixed to the housing. the substrate is in contact with a contact region of the partition wall, The display device according to claim 4 , wherein the second shielding portion is not disposed in the contact region.

7. The housing includes: A first diffusion section disposed on the first shielding section and diffusing light; The display device according to claim 4 , further comprising: a second diffusion section disposed in the second shielding section and diffusing the light.

8. The display device according to claim 7 , wherein a material of the first diffusion portion is the same as a material of the second diffusion portion.

9. The display device according to claim 1 , wherein the transmissive portion defines an outer shape of the housing.

10. The display device according to claim 1 , wherein the light transmittance of the transmissive portion is not less than 5% and not more than 80%.

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