Range hood

Abstract

To provide a range hood capable of reducing discomfort of a user caused by light from a lighting unit.SOLUTION: A range hood 100 comprises: a light source 151; an opening part 156M that transmits light from the light source 151 to a cooking space 200; and an anti-glare member 154 provided on a path of light from light source 151 to the cooking space 200 through the opening part 156M.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a range hood. [Background technology]

[0002] Range hoods are installed in residential kitchens, or in kitchens in restaurants, convenience stores, supermarkets, department stores, etc., to absorb oily smoke and odors generated by cooking. These range hoods are provided with a lighting unit to illuminate the hands of the user (cooker) and the food being cooked during cooking (see, for example, Patent Document 1). A light source such as an LED (Light Emitting Diode) is disposed in the lighting unit. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-78223 Summary of the Invention [Problem to be solved by the invention]

[0004] The user may find the light from such a lighting unit dazzling and uncomfortable.

[0005] Therefore, an object of the present invention is to provide a range hood that can reduce the discomfort felt by users due to light from the lighting unit. [Means for solving the problem]

[0006] The first range hood of the present invention comprises a light source, a light-transmitting area that transmits light from the light source into the cooking space, and an anti-glare member provided on the path of light from the light source to the cooking space via the light-transmitting area.

[0007] A second range hood according to the present invention comprises a light source, a light-transmitting area that transmits light from the light source into the cooking space, and an opaque member positioned so as to overlap a portion of the light-transmitting area on the path of light from the light source to the cooking space via the light-transmitting area. [Effects of the Invention]

[0008] The first range hood of the present invention is provided with an anti-glare member, so the light from the light source is irradiated into the cooking space without being glare-proof. The second range hood of the present invention is provided with an opaque member, so the light from the light source is irradiated into the cooking space with at least a portion of it reflected, absorbed, or diffused by the opaque member. This makes it less likely that users will perceive the light from the lighting unit as dazzling, compared to when light from the light source is irradiated directly into the cooking space. This reduces the discomfort experienced by users due to the light from the lighting unit. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a front view showing an example of the configuration of a range hood according to a first embodiment of the present invention together with a cooking space. [Figure 2] FIG. 2 is a perspective view showing the configuration of the cooking space side of the range hood shown in FIG. [Figure 3] FIG. 2 is a diagram showing a cross-sectional configuration taken along line III-III shown in FIG. [Figure 4] 4 is a cross-sectional view showing an example of the configuration of the illumination unit shown in FIG. 3. FIG. [Figure 5] 5 is a schematic diagram showing an example of the angular range of light emitted from the illumination unit shown in FIG. 4. FIG. [Figure 6] 5 is a schematic diagram showing another example of the angular range of light emitted from the illumination unit shown in FIG. 4. FIG. [Figure 7] 5 is a schematic diagram showing another example of the angular range of light emitted from the illumination unit shown in FIG. 4. FIG. [Figure 8] 5 is a schematic diagram showing the planar configuration of the opening and the anti-glare member shown in FIG. 4. FIG. [Figure 9]5 is a schematic diagram showing another example of the antiglare member shown in FIG. 4. FIG. [Figure 10] 5 is a schematic diagram showing another example of the antiglare member shown in FIG. 4. FIG. [Figure 11] 5 is a schematic diagram showing another example of the antiglare member shown in FIG. 4. FIG. [Figure 12] 5 is a schematic diagram showing another example of the antiglare member shown in FIG. 4. FIG. [Figure 13] FIG. 6 is a cross-sectional view showing the configuration of an illumination section of a range hood according to a second embodiment of the present invention. [Figure 14] 14 is a schematic diagram showing another example of the illumination unit shown in FIG. 13. FIG. [Figure 15] 14 is a schematic diagram showing another example of the illumination unit shown in FIG. 13. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the description of the drawings, the same elements are given the same reference numerals, and duplicate explanations will be omitted. Furthermore, the dimensional ratios in the drawings are exaggerated for the sake of convenience and may differ from the actual ratios. In the following description, the up and down directions in the direction of gravity will simply be referred to as up and down.

[0011] [First embodiment] (Range hood configuration) FIG. 1 shows a range hood (range hood 100) according to a first embodiment of the present invention, along with a cooking space 200. Cooking space 200 is provided, for example, in a residential kitchen or in a cooking area such as a restaurant, convenience store, supermarket, or department store. Cooking space 200 has a heat source 210 such as a burner, stove, or heater. Cooking space 200 is the space below range hood 100 where a user (cooker) can work. Range hood 100 is installed above cooking space 200 and sucks in odors, oily smoke, and the like generated in cooking space 200 and expels them to the outside.

[0012] Fig. 2 is a perspective view showing the cooking space 200 side, i.e., the underside, of range hood 100, and Fig. 3 shows a cross-sectional configuration taken along line III-III in Fig. 1. Range hood 100 includes, for example, a housing 110, a blower 130, and a lighting unit 150. Housing 110 has a bottom surface 110B, which is provided with a suction port S for sucking odors, oily smoke, and the like from cooking space 200.

[0013] The blower 130 generates suction force to suck in odors, oily smoke, etc. through the suction port S and expels the sucked odors, oily smoke, etc. to the outside of the housing. The range hood 100 may exhaust air outdoors or indoors. The range hood 100 may be provided with an oil absorption filter, a smoke removal filter, a deodorizing filter, an air filter, etc. (not shown).

[0014] Fig. 4 is an enlarged view of the illumination unit 150 shown in Fig. 3. The illumination unit 150 includes, for example, a light source 151, a support 152, a light-transmitting member 153, an anti-glare member 154, and plate-like members 155 and 156.

[0015] The light source 151, support 152, light-transmitting member 153, and anti-glare member 154 are housed in a space surrounded by plate-shaped members 155 and 156. An opening 156M is provided in plate-shaped member 156, which is arranged on the underside 110B (see FIGS. 2 and 3). Light generated by light source 151 passes through this opening 156M and is irradiated into cooking space 200. In other words, opening 156M transmits light from light source 151 into cooking space 200. Here, opening 156M corresponds to a specific example of a light-transmitting region of the present invention.

[0016] Light source 151 generates visible light. Light source 151 preferably includes an LED. This is because LEDs have a longer lifespan than other light sources such as incandescent bulbs and fluorescent lights. This reduces the frequency with which light source 151 needs to be replaced, even when lighting unit 150 is repeatedly turned on and off almost every day.

[0017] The support portion 152 supports the light source 151. The support portion 152 is attached to, for example, a plate-like member 155. The light source 151 and the support portion 152 are arranged at a position facing an opening 156M of a plate-like member 156.

[0018] The light-transmitting member 153 is, for example, a plate-shaped light-transmitting (transparent) member and is made of a glass substrate, a plastic substrate, or the like. The light-transmitting member 153 is disposed, for example, near the plate-shaped member 156 so as to cover the opening 156M. That is, the planar shape of the light-transmitting member 153 is larger than the opening 156M. By providing the light-transmitting member 153 in the opening 156M in this way, it is possible to prevent oily smoke and the like sucked from the cooking space 200 from adhering to the light source 151, thereby suppressing deterioration of the light source 151 and the like.

[0019] The anti-glare member 154 is provided on the path of light from the light source 151 to the cooking space 200 via the opening 156M. The anti-glare member 154 is, for example, an anti-glare film. In this embodiment, the light generated by the light source 151 passes through the anti-glare member 154 and is irradiated into the cooking space 200. This makes it less likely that a user of the cooking space 200 (user 400 in FIG. 5, etc., described later) will perceive the light from the illumination unit 150 as dazzling.

[0020] The anti-glare member 154 is, for example, a film with a louver structure, and light that passes through the anti-glare member 154 travels within a predetermined angle range. This allows the lighting unit 150 to emit light while avoiding the user's line of sight, thereby reducing the user's discomfort caused by the light and maintaining sufficient illuminance for the user to work in the cooking space 200.

[0021] 5 to 7 show examples of the direction of light emitted from the illumination unit 150 to the cooking space 200. The direction of light emitted from the illumination unit 150 is adjusted, for example, according to the relationship between the position of the illumination unit 150 and the eye position of the user 400 who uses the cooking space 200.

[0022] For example, when lighting unit 150 is disposed in front of range hood 100, i.e., at a position relatively close to user 400 (FIG. 5), the traveling direction of light transmitted through antiglare member 154 preferably has an angle a of 30 degrees or more from the horizontal direction H of lighting unit 150 (light source 151) toward cooking space 200, i.e., toward the lower side of range hood 100. In other words, antiglare member 154 is preferably provided so that light is irradiated at an angle a of 30 degrees or more from the horizontal direction H of lighting unit 150. User 400 is, for example, 150 cm tall.

[0023] For example, when the lighting unit 150 is located behind the range hood 100, i.e., at a position relatively far from the user 400 (FIG. 6), it is preferable that the direction of travel of the light transmitted through the anti-glare member 154 has an angle a of 10 degrees or more from the horizontal direction H of the lighting unit 150 (light source 151) toward the cooking space 200. In other words, it is preferable that the anti-glare member 154 is provided so that light having an angle a of 10 degrees or more from the horizontal direction H of the lighting unit 150 is irradiated.

[0024] When the lighting unit 150 is disposed midway between the front and rear of the range hood 100 (FIG. 7), the traveling direction of the light transmitted through the anti-glare member 154 preferably forms an angle a of 15 degrees or more from the horizontal direction H of the lighting unit 150 (light source 151) toward the cooking space 200. In other words, the anti-glare member 154 is preferably provided so that light having an angle a of 15 degrees or more from the horizontal direction H of the lighting unit 150 is irradiated.

[0025] The front, rear, and middle of range hood 100 described above are, for example, three equal parts of the depth dimension of range hood 100. For example, when range hood 100 is 600 mm deep, the position approximately 0 mm to 200 mm from the position of user 400 is the front, the position approximately 201 mm to 400 mm is the middle, and the position approximately 401 mm to 600 mm is the rear. In particular, when range hood 100 is approximately 600 mm to 650 mm deep, angle a allows light to be emitted while avoiding the line of sight of user 400.

[0026] The anti-glare member 154 may be a polarizing film that selectively transmits linearly polarized light, thereby eliminating so-called surface reflected light, making it less likely that the user will perceive the light from the illumination unit 150 as dazzling.

[0027] The film-like antiglare member 154 is provided, for example, along the outer surface of the light-transmitting member 153, and covers both ends of one main surface (the surface on the light source 151 side) of the light-transmitting member 153 to the other main surface (the surface on the cooking space 200 side) via a pair of end surfaces. A part of the antiglare member 154 is sandwiched between the other main surface of the light-transmitting member 153 and the plate-like member 156.

[0028] The central portion of the other main surface of the light-transmitting member 153, i.e., the portion exposed to the opening 156M, is not covered by the anti-glare member 154. In other words, the light-transmitting member 153 is provided between the opening 156M and the anti-glare member 154.

[0029] The antiglare member 154 provided along the outer surface of the light-transmitting member 153 has, for example, bent portions 154v at positions corresponding to the corners of the plate-shaped light-transmitting member 153. For example, the antiglare member 154 has four or eight bent portions 154v corresponding to the corners of the light-transmitting member 153. For example, when the corners of the light-transmitting member 153 are rounded, the antiglare member 154 may have curved portions (not shown). The antiglare member 154 may have bent portions 154v and curved portions. For example, the antiglare member 154 is processed in advance to provide the bent portions 154v or curved portions, and then the antiglare member having the bent portions 154v or curved portions is attached to the light-transmitting member 153. This makes it easy to fit the antiglare member 154 along the outer surface of the light-transmitting member 153.

[0030] 8 shows an example of the planar shapes of the antiglare member 154 and the opening 156M as viewed from the light source 151 side. The antiglare member 154 and the opening 156M have, for example, a quadrangular or other quadrangular planar shape. The planar shape of this antiglare member 154 is larger than the planar shape of the opening 156M, and the antiglare member 154 covers the opening 156M. This allows all of the light irradiated into the cooking space 200 to pass through the antiglare member 154. The antiglare member 154 and the opening 156M may have planar shapes of the same size.

[0031] 9 to 12 show other examples of the antiglare member 154. FIG.

[0032] The antiglare member 154 may be provided so as to cover one main surface of the light-transmitting member 153, or may not cover the pair of end surfaces and both ends of the other main surface (FIG. 9). In this case, the antiglare member 154 is disposed between the light source 151 and the light-transmitting member 153.

[0033] The antiglare member 154 may be positioned so as to overlap a portion of the opening 156M (FIG. 10). In other words, a portion of the opening 156M may be exposed from the antiglare member 154. In this case, the light irradiated into the cooking space 200 includes light that has not passed through the antiglare member 154, i.e., light that is directly irradiated from the light source 151.

[0034] The antiglare member 154 may be provided so as to cover the other main surface of the light-transmitting member 153 (FIG. 11). In this case, the antiglare member 154 is disposed between the light-transmitting member 153 and the plate-like member 156 (opening 156M). The antiglare member 154 may be disposed at a position where it overlaps with a part of the opening 156M (not shown).

[0035] A plate-like member 156 (opening 156M) may be disposed between the antiglare member 154 and the light-transmitting member 153 (FIG. 12). In this case, light generated by the light source 151 passes through the light-transmitting member 153, opening 156M, and antiglare member 154 in this order.

[0036] [Effects of Range Hood 100] In the range hood 100 of this embodiment, when a user (for example, user 400 in FIG. 5, etc.) turns on the power of the lighting unit 150, light is generated from the light source 151. The light generated by this light source 151 passes through, for example, the anti-glare member 154, the light-transmitting member 153, and the opening 156M in this order, and is then irradiated into the cooking space 200. For example, the light that has passed through the anti-glare member 154 is irradiated into the cooking space 200 within a predetermined angle range so as to avoid the position of the user's line of sight (see, for example, FIGS. 5 to 7). Alternatively, linearly polarized light that has passed through the anti-glare member 154 is irradiated into the cooking space 200.

[0037] In this way, in range hood 100, anti-glare member 154 is provided in the path of light from light source 151 to cooking space 200 via opening 156M, so the light generated by light source 151 is anti-glare and irradiated into cooking space 200. Therefore, compared to when light from light source 151 is irradiated directly into cooking space 200, the user is less likely to perceive the light from lighting unit 150 as dazzling, which can reduce the discomfort of the user caused by the light from lighting unit 150. In particular, even when light source 151 is configured with an LED, which has a relatively high degree of directional light propagation, the user can use range hood 100 comfortably.

[0038] It is also preferable that the anti-glare member 154 covers the opening 156M, so that all of the light irradiated into the cooking space 200 passes through the anti-glare member 154, thereby more effectively preventing the light irradiated into the cooking space 200 from being dazzled.

[0039] As described above, the range hood 100 of this embodiment is provided with the anti-glare member 154, so that the light from the light source 151 is irradiated into the cooking space 200 without being glare-proof. This makes it less likely that the user will perceive the light from the lighting unit 150 as dazzling, compared to when the light from the light source 151 is irradiated directly into the cooking space 200. This makes it possible to reduce the discomfort felt by the user by the light from the lighting unit 150.

[0040] Furthermore, it is preferable that at least a portion of the anti-glare member 154 is sandwiched between the light-transmitting member 153 and the plate-like member 156 (FIGS. 4 and 11). This fixes the position of the anti-glare member 154, making it possible to prevent the anti-glare member 154 from shifting out of position without using other members such as adhesive or screws. This reduces the cost required to fix the position of the anti-glare member 154, and also prevents damage and deterioration of the anti-glare member caused by other members such as adhesive or screws.

[0041] Furthermore, it is preferable that the antiglare member 154 provided along the outer surface of the light-transmitting member 153 has at least one of a bent portion 154v or a curved portion that corresponds to the shape of the light-transmitting member 153 (FIG. 4). This allows the antiglare member 154 to be held on the outer surface of the light-transmitting member 153, making it possible to prevent the antiglare member 154 from being bent or displaced.

[0042] Furthermore, it is preferable that a light-transmitting member 153 be provided between the opening 156M and the anti-glare member 154 (FIGS. 4, 9, and 10). This protects the portion of the anti-glare member 154 facing the opening 156M, thereby preventing damage and deformation of the anti-glare member 154 due to the heat of oily smoke generated in the cooking space 200. Furthermore, oily smoke generated in the cooking space 200 is less likely to adhere to the anti-glare member 154, thereby preventing a decrease in the anti-glare effect and illuminance due to oily smoke adhering to the anti-glare member 154. Additionally, the frequency of cleaning the anti-glare member 154 can be reduced, thereby preventing scratches, damage, deformation, etc. of the anti-glare member 154 due to cleaning. Furthermore, scratches, dirt, damage, deformation, etc. of the anti-glare member 154 caused by users touching the anti-glare member 154 can also be prevented.

[0043] Below, other embodiments of the range hood 100 described in the first embodiment will be described. Note that, in order to avoid duplication of explanation, detailed explanations of the same components as those of the range hood 100 described in the first embodiment will be omitted.

[0044] [Second embodiment] 13 shows an example of the configuration of an illumination unit 350 of a range hood according to a second embodiment of the present invention. This illumination unit 350 has an opaque member 354 instead of an anti-glare member (anti-glare member 154 in FIG. 4, etc.). Except for this point, the illumination unit 350 described in the second embodiment has the same configuration as the illumination unit 150 described in the first embodiment.

[0045] The opaque member 354 is made of, for example, a plate-shaped frosted glass. The opaque member 354 may be any member that reflects, absorbs, or diffuses a portion of the light from the light source 151, that is, any member that has a relatively low light transmittance. The opaque member 354 is provided, for example, between the light source 151 and the light-transmitting member 153, and is arranged so as to overlap the light-transmitting member 153.

[0046] The opaque member 354 is disposed at a position overlapping a portion of the opening 156M on the path of light from the light source 151 to the cooking space 200 via the opening 156M. In other words, a portion of the opening 156M is exposed from the opaque member 354. A portion of the light generated by the light source 151 travels toward the opaque member 354, and the remainder travels toward the light-transmitting member 153 exposed from the opaque member 354. A portion of the light traveling toward the opaque member 354 is reflected, absorbed, or diffused by the opaque member 354.

[0047] 14 and 15 show another example of the illumination unit 350. The opaque member 354 may be arranged on a plate-like member 156 alongside the light-transmitting member 153 (FIG. 14). Alternatively, the illumination unit 350 may not have a light-transmitting member (for example, the light-transmitting member 153 in FIG. 14) (FIG. 15).

[0048] In this way, the lighting unit 350 may have an opaque member 354 arranged at a position overlapping a part of the opening 156M. The light irradiated by this lighting unit 350 into the cooking space 200 includes light that has passed through the opaque member 354 and light that has not passed through the opaque member 354. This reduces discomfort to the user caused by the light from the lighting unit 350 and makes it possible to maintain sufficient illuminance for the user to work in the cooking space 200.

[0049] The range hood of the present invention has been described in the above embodiments. However, those skilled in the art can appropriately add, modify, and omit the present invention within the scope of the technical concept. For example, the configuration, shape, size, etc. of each part of the range hood described in the above embodiments are merely examples, and other configurations, shapes, sizes, etc. may be used.

[0050] For example, the illumination units 150 and 250 may include a light diffusing member such as a light diffusing film in addition to the antiglare member 154 or the opaque member 354. Alternatively, the illumination units may include a light diffusing member instead of the antiglare member or the opaque member. By including a light diffusing member, the light from the light source is diffused evenly over a wide range, making it possible to reduce the number of LEDs included in the light source. [Explanation of symbols]

[0051] 100 range hoods, 110 enclosures, 110B bottom surface, 130 blowers, 150,350 lighting department, 151 light source, 152 Support part, 153 Light-transmitting member; 154 Anti-glare materials, 155, 156 Plate-shaped members; 156M opening, 200 cooking spaces, 210 Heat source, 354 Opaque members, S Suction port.

Claims

1. A light source and an anti-glare member provided in a light path from the light source to the cooking space; a light-transmitting area that transmits light that has passed through the anti-glare member into the cooking space; Equipped with the light-transmitting region is an opening provided in a plate-like member, a light-transmitting member provided between the plate-like member and the light source; The range hood has the light-transmitting member disposed between the opening and the anti-glare member.

2. A light source; an anti-glare member provided in a light path from the light source to the cooking space; a light-transmitting area that transmits light that has passed through the anti-glare member into the cooking space; Equipped with the light-transmitting region is an opening provided in a plate-like member, The plate-shaped member and the light source are provided between the plate-shaped member and the light source, and further include a light-transmitting member having one main surface and another main surface closer to the cooking space than the one main surface, the anti-glare member is provided along an outer surface of the light-transmitting member from one main surface to the other main surface of the light-transmitting member via a pair of end surfaces, A range hood in which a portion of the anti-glare member is sandwiched between the other main surface of the light-transmitting member and the plate-shaped member.

3. A range hood having a front region, a middle region, and a rear region in this order along a depth direction, A light source and a light-transmitting region that transmits light from the light source into the cooking space; an anti-glare member provided on a light path from the light source to the cooking space; an illumination unit including: the light-transmitting region is an opening provided in a plate-like member, the illumination unit further includes a light-transmitting member provided between the plate-like member and the light source, the illumination unit is disposed in the rear region, The range hood has an angle of 10 degrees or more such that the direction of light irradiated from the light source to the cooking space through the light-transmitting area and the anti-glare member moves away from the horizontal direction toward the cooking space as it travels from the light source toward the front of the range hood when viewed from the side of the range hood.

4. A range hood having a front region, a middle region, and a rear region in this order along a depth direction, A light source and a light-transmitting region that transmits light from the light source into the cooking space; an anti-glare member provided on a light path from the light source to the cooking space; an illumination unit including: the light-transmitting region is an opening provided in a plate-like member, the illumination unit further includes a light-transmitting member provided between the plate-like member and the light source, the illumination unit is disposed in the intermediate region, The range hood has an angle of 15 degrees or more such that the direction of light irradiated from the light source to the cooking space through the light-transmitting area and the anti-glare member moves away from the horizontal direction toward the cooking space as it travels from the light source toward the front of the range hood when viewed from the side of the range hood.

5. A range hood having a front region, a middle region, and a rear region in this order along a depth direction, A light source and a light-transmitting region that transmits light from the light source into the cooking space; an anti-glare member provided on a light path from the light source to the cooking space; an illumination unit including: the light-transmitting region is an opening provided in a plate-like member, the illumination unit further includes a light-transmitting member provided between the plate-like member and the light source, the illumination unit is disposed in the front region, The range hood has a light transmission area and an anti-glare member, and the direction of light emitted from the light source to the cooking space has an angle of 30 degrees or more when viewed from the side of the range hood, so that the light moves away from the light source toward the front of the range hood from the horizontal direction toward the cooking space.

6. The range hood according to any one of claims 1 to 5, wherein the anti-glare member covers the light-transmitting area.

7. The range hood according to any one of claims 3 to 5, wherein the light-transmitting member is provided between the opening and the anti-glare member.

8. The range hood according to any one of claims 1 and 3 to 5, wherein at least a portion of the anti-glare member is sandwiched between the plate-like member and the light-transmitting member.

9. The range hood according to any one of claims 1, 3 to 5, wherein the anti-glare member is provided along the outer surface of the light-transmitting member and has at least one of a bent portion or a curved portion corresponding to the shape of the light-transmitting member.

10. The range hood according to any one of claims 1 to 9, wherein the anti-glare member is an anti-glare film.

11. The range hood according to any one of claims 1 to 10, wherein light that has passed through the anti-glare member travels within a predetermined angular range.

12. The range hood according to any one of claims 1 to 11, wherein the anti-glare member has a louver structure.

13. A range hood as described in claim 1 or 2, wherein the direction of light irradiated from the light source to the cooking space through the anti-glare member has an angle of 10 degrees or more when viewed from the side of the range hood, such that as it travels from the light source to the front side of the range hood, it moves away from the horizontal direction toward the cooking space.

14. A range hood as described in claim 1 or 2, wherein the direction of light irradiated from the light source to the cooking space through the anti-glare member has an angle of 15 degrees or more, when viewed from the side of the range hood, so that as it travels from the light source to the front side of the range hood, it moves away from the horizontal direction toward the cooking space.

15. A range hood as described in claim 1 or 2, wherein the direction of light irradiated from the light source to the cooking space through the anti-glare member has an angle of 30 degrees or more when viewed from the side of the range hood, so that as it travels from the light source to the front side of the range hood, it moves away from the horizontal direction toward the cooking space.

16. The range hood according to claim 1 or 2, wherein the anti-glare member transmits linearly polarized light.

17. The range hood according to any one of claims 1 to 16, wherein the light source includes an LED.

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