WO2018066264A1 - Lamelle d'éclairage naturel et dispositif d'éclairage naturel - Google Patents

Lamelle d'éclairage naturel et dispositif d'éclairage naturel Download PDF

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Publication number
WO2018066264A1
WO2018066264A1 PCT/JP2017/030559 JP2017030559W WO2018066264A1 WO 2018066264 A1 WO2018066264 A1 WO 2018066264A1 JP 2017030559 W JP2017030559 W JP 2017030559W WO 2018066264 A1 WO2018066264 A1 WO 2018066264A1
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WIPO (PCT)
Prior art keywords
daylighting
region
slat
light
slats
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Application number
PCT/JP2017/030559
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English (en)
Japanese (ja)
Inventor
透 菅野
豪 鎌田
俊平 西中
俊 植木
Original Assignee
シャープ株式会社
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Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP2018543777A priority Critical patent/JPWO2018066264A1/ja
Publication of WO2018066264A1 publication Critical patent/WO2018066264A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/38—Other details
    • E06B9/386—Details of lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses

Definitions

  • Some embodiments of the present invention relate to daylighting slats and daylighting devices. This application claims priority on Japanese Patent Application No. 2016-196356 filed in Japan on October 4, 2016, the contents of which are incorporated herein by reference.
  • a blind, a curtain, etc. may be arrange
  • a blind including a slat having both translucency and light shielding properties in order to adjust the amount of solar radiation for example, Patent Document 1.
  • one slat is configured by combining a non-translucent member such as aluminum and a resin member, and a central portion in the longitudinal direction is locally bent due to a difference in specific gravity or rigidity of each material. There is a risk that.
  • One aspect of the present invention is made in view of the above-described problems of the prior art, and includes a daylighting slat in which bending of the central portion in the longitudinal direction is suppressed, and such a daylighting slat.
  • An object of the present invention is to provide a daylighting apparatus that can efficiently take natural light (sunlight) indoors and can make a person in the room feel bright without going to the glare.
  • the daylighting slat includes a base material having a plurality of bent portions in a cross section perpendicular to the longitudinal direction and having light transmittance, and light provided on at least a part of the first surface of the base material.
  • a plurality of daylighting units having transparency and a gap provided between the plurality of daylighting units, and having a function of reflecting light incident on the daylighting unit.
  • the base material has a first region located on one side with respect to a first bent portion of the plurality of bent portions, and a second region located on the other side.
  • the width of the first region is wider than the width of the second region, and the plurality of daylighting portions may be provided on at least a part of the first surface of the first region.
  • the plurality of daylighting units may be provided in the second region.
  • the lighting slat further includes a third region located on the opposite side of the first region with respect to the second bent portion of the plurality of bent portions, and the width of the first region is It is good also as a structure wider than the width
  • the plurality of daylighting units may be provided in the third region.
  • the second region and the third region may be bent to the same side with respect to the first region.
  • the second region and the third region may be bent to opposite sides with respect to the first region.
  • the daylighting slat according to an aspect of the present invention may be configured such that at least one of the second region and the third region is provided with a notch for storing a ladder code.
  • At least one of an angle formed between the first region and the second region and an angle formed between the first region and the third region in a cross section perpendicular to the longitudinal direction is also, a configuration larger than 90 ° may be adopted.
  • At least one of the second region and the third region may have a light absorption property.
  • At least one of an angle formed between the first region and the second region and an angle formed between the first region and the third region in a cross section perpendicular to the longitudinal direction is The angle may be smaller than 90 °.
  • At least one of the second region and the third region may have a light reflecting property.
  • the daylighting slat according to an aspect of the present invention may further include a light diffusion layer provided on at least a part of the second surface of the base material.
  • the daylighting slat according to an aspect of the present invention may further include a prism structure provided on at least a part of the second surface of the base material.
  • a daylighting apparatus includes a plurality of slats, and a support mechanism that supports the plurality of slats in a form in which the plurality of slats are suspended in a vertical direction while the longitudinal direction of the slats is horizontally oriented. And at least a part of the plurality of slats is composed of the daylighting slats.
  • daylighting slats in which the bending of the central portion in the longitudinal direction is suppressed, and outdoor natural light (sunlight) is efficiently taken indoors by using such daylighting slats, and indoors. It is possible to provide a daylighting apparatus that can make a person feel bright up to the interior without feeling dazzling.
  • FIG. 3 is a side view taken along the line A-A ′ of FIG. 2.
  • the figure which shows a mode when the blind provided with the lighting slat of the comparative example 1 is a full open state.
  • the figure which shows a mode when the blind provided with the lighting slat of the comparative example 1 is a fully closed state.
  • the figure which shows a mode that the existing flat slat was verified by the cantilever.
  • the figure which shows the other structure of the daylighting slat in 2nd Embodiment The perspective view which shows the structure (fully closed state) of the blind of 3rd Embodiment.
  • FIG. 36 is a side view taken along the line B-B ′ of FIG. 35, which is a room model including a lighting device and an illumination dimming system.
  • the top view which shows the ceiling of a room model.
  • the graph which shows the relationship between the illumination intensity of the light (natural light) daylighted indoors by the lighting apparatus, and the illumination intensity (illumination dimming system) by an indoor lighting apparatus.
  • FIG. 1 is a perspective view showing the appearance of the blind 1.
  • the positional relationship (vertical, left / right, front / rear) of the blind 1 is based on the positional relationship (up / down, left / right, front / rear) when the blind 1 is used. Also, the positional relationship of the blind 1 is assumed to coincide with the positional relationship with respect to the paper surface.
  • the vertical direction of the blind 1 in FIG. 1 is the Z direction
  • the horizontal direction is the X direction
  • the front-back direction is the Y direction.
  • the blind 1 supports a plurality of slats 2 arranged in parallel in the horizontal direction (X direction) at intervals and a plurality of slats 2 so as to be suspended in the vertical direction (Z direction).
  • the support mechanism 3 is mainly configured.
  • the blind 1 supports a plurality of slats 2 to be movable up and down and supports a plurality of slats 2 to tilt.
  • the plurality of slats 2 include a daylighting region 5 constituted by a plurality of daylighting slats 4 having daylighting properties, and a light shielding region 7 constituted by a plurality of light shielding slats 6 having a light shielding property located below the daylighting region 5. And have.
  • the daylighting slat 4 and the light-shielding slat 6 are not particularly distinguished, they are collectively treated as the slat 2.
  • the daylighting slat 4 constituting the daylighting region 5 includes a daylighting plate 40 extending in one direction as shown in FIG.
  • FIG. 2 is a perspective view showing a schematic configuration of the daylighting plate.
  • FIG. 3 is a side view taken along the line AA ′ in FIG.
  • the daylighting plate 40 includes a base material 41 having optical transparency and a plurality of daylighting units having optical transparency provided on at least a part of the first surface 41 ⁇ / b> A of the base material 41. 42 and a gap portion 43 provided between the plurality of daylighting portions 42.
  • the base material 41 has a plurality of bent portions C1 and C2 along a straight line parallel to the longitudinal direction in the cross section (A-A 'plane) perpendicular to the longitudinal direction of the daylighting plate 40.
  • the base material 41 includes a first portion 41a positioned on one side of the first bent portion C1 and a first portion 41a positioned on the other side of the first bent portion C1.
  • 2 part 41b, and 3rd part 41c located on the opposite side to 1st part 41a with respect to 2nd bending part C2.
  • the first portion 41a has a first region 41Aa on the first surface 41A
  • the second portion 41b has a second region 41Ab on the first surface 41A
  • the third portion 41c has a third region 41Ac on the first surface 41A.
  • the base material 41 is provided with a plurality of daylighting units 42 in at least the first region 41Aa of the first surface 41A.
  • the base material 41 of the present embodiment has a bent shape at each of the bent portions C1 and C2, and the second portion 41b and the third portion 41c are mutually in the thickness direction of the base material 41 with respect to the first portion 41a. It is bent to the opposite side. Specifically, the second portion 41 b is bent toward the second surface 41 ⁇ / b> B side of the substrate 41, and the third portion 41 c is bent toward the first surface 41 ⁇ / b> A side of the substrate 41.
  • the base material 41 of the present embodiment has a short side (second portion 41b), a long side (first portion 41a), a short side (third portion 41c), and a multi-stage bending process in a cross section perpendicular to the longitudinal direction. Have been made.
  • the base 41 is bent at the first bent portion C1 and the second bent portion C2, and the second portion 41b and the third portion 41c are predetermined with respect to the first portion 41a. It is a shape that is bent linearly at an angle.
  • angular part was given, the bending part C1, C2 which curved gently may be sufficient.
  • the second portion 152b and the third portion 152c may be curved opposite to each other with respect to the linear first portion 152a.
  • the second portion 152b and the third portion 152c can be adjusted by adjusting the curvatures of the second portion 152b and the third portion 152c.
  • Contact between the daylighting portions 42C at the boundary between the first portion 152a and the third portion 152c can be avoided, and the plurality of daylighting portions 42 can be evenly arranged on the first surface 152A.
  • the angle ⁇ 1 formed by the first portion 41a and the second portion 41b constituting the base material 41 and the angle ⁇ 2 formed by the first portion 41a and the third portion 41c are equal to each other, and both are 130 °. is there.
  • the angles ⁇ 1 and ⁇ 2 of the second portion 41b and the third portion 41c with respect to the first portion 41a are not limited to the angles described above, and are appropriately set according to the shape of the daylighting portion 42 formed in the first region 41Aa. Is done. It is preferable that 1st area
  • the daylighting unit 42 is not provided in the second region 41Ab of the second portion 41b and the third region 41Ac of the third portion 41c.
  • the width of the first region 41Aa (the width in the direction perpendicular to the longitudinal direction of the daylighting portion 42 (the width in the Y direction)) is larger than the width of the second region 41Ab and the third region 41Ac in the same direction. Widely, the widths of the second region 41Ab and the third region 41Ac are equal to each other.
  • the ratio of the dimensions of the first area 41Aa, the second area 41Ab, and the third area 41Ac is about 8: 1: 1, and the width of the first area 41Aa is a dimension close to the slat pitch. Preferably there is.
  • the substrate 41 is made of a light transmissive resin such as a thermoplastic polymer, a thermosetting resin, or a photopolymerizable resin. Further, as the light transmissive resin, those made of acrylic polymer, olefin polymer, vinyl polymer, cellulose polymer, amide polymer, fluorine polymer, urethane polymer, silicone polymer, imide polymer, etc. are used. be able to.
  • a light transmissive resin such as a thermoplastic polymer, a thermosetting resin, or a photopolymerizable resin.
  • the light transmissive resin those made of acrylic polymer, olefin polymer, vinyl polymer, cellulose polymer, amide polymer, fluorine polymer, urethane polymer, silicone polymer, imide polymer, etc. are used. be able to.
  • polymethyl methacrylate resin PMMA
  • triacetyl cellulose PET
  • cycloolefin polymer COP
  • PC polyethylene naphthalate
  • PEN polyethylene naphthalate
  • PES polyethersulfone
  • PI polyimide
  • the daylighting unit 42 is made of, for example, an organic material having optical transparency and photosensitivity such as acrylic resin, epoxy resin, and silicone resin. Moreover, what mixed the polymerization initiator, the coupling agent, the monomer, the organic solvent, etc. can be used for these organic materials. Furthermore, the polymerization initiator contains various additive components such as a stabilizer, an inhibitor, a plasticizer, a fluorescent brightening agent, a release agent, a chain transfer agent, and other photopolymerizable monomers. Also good. In addition, materials described in Japanese Patent No. 41299991 can be used. The total light transmittance of the daylighting unit 42 is preferably 90% or more in accordance with JIS K7361-1. Thereby, sufficient transparency can be obtained.
  • an organic material having optical transparency and photosensitivity such as acrylic resin, epoxy resin, and silicone resin.
  • the polymerization initiator contains various additive components such as a stabilizer, an inhibitor, a plasticizer, a fluorescent brightening agent, a release agent, a chain transfer agent, and
  • the plurality of daylighting portions 42 extend in the longitudinal direction (X direction) of the base material 41 and are arranged side by side in the short direction (Y direction) of the base material 41. Further, each daylighting section 42 constitutes a prism body having a pentagonal cross section. Specifically, the daylighting portion 42 includes a first surface portion 42a facing the first region 41Aa of the first surface 41A of the base material 41, a second surface portion 42b adjacent to the first surface portion 42a, and a first surface portion 42a. The third surface portion (reflection surface) 42c adjacent on the opposite side of the surface portion 42a and the second surface portion 42b, the fourth surface portion 42d and the fifth surface portion 42d that are inclined in different directions and face the first surface portion 42a. Surface portion (reflection surface) 42e.
  • the fourth surface part 42d and the fifth surface part 42e are interfaces between the constituent material of the daylighting part 42 and the air. It becomes. During this time, other low refractive index materials may be filled. However, the difference in refractive index at the interface between the inside and outside of the daylighting unit 42 is maximized when air is present rather than when any low refractive index material is present outside. Therefore, when air is present, the critical angle of light totally reflected by the fifth surface portion 42e or the third surface portion 42c among light incident on the daylighting portion 42 is the smallest according to Snell's law. .
  • the range of the incident angle of the light totally reflected by the fifth surface portion 42e or the third surface portion 42c becomes the widest, the light incident on the daylighting portion 42 is efficiently transferred to the other surface side of the base material 41. Can guide well. As a result, the loss of light incident on the daylighting unit 42 is suppressed, and the luminance of light emitted from the other surface of the base material 41 can be increased.
  • the refractive index of the base material 41 and the refractive index of the daylighting section 42 are substantially equal.
  • the refractive index of the base material 41 and the refractive index of the daylighting unit 42 are greatly different, when light enters the base material 41 from the daylighting unit 42, it is unnecessary at the interface between the daylighting unit 42 and the base material 41. Light refraction and reflection may occur. In this case, there is a possibility that problems such as failure to obtain desired lighting characteristics and a decrease in luminance may occur.
  • the several lighting part 42 can be formed on the base material 41 using a photolithographic technique, for example.
  • the daylighting plate 40 can be manufactured by a method such as a melt extrusion method, a mold extrusion method, or an imprint method.
  • the base material 41 and the daylighting unit 42 are integrally formed of the same resin.
  • the lighting part 42 may be formed on one surface of the film, and the film may be bonded to the first surface 41 ⁇ / b> A of the base material 41.
  • the above-described photolithography technique, imprint method, or the like can be used.
  • the light shielding slat 6 constituting the light shielding region 7 is composed of a long light-shielding base material 11 having a light shielding property.
  • the light-shielding substrate 11 may be any material that is generally used as a so-called blind slat. Examples thereof include metal, wood, and resin. However, the structure is higher than that of the daylighting slat 4 made of a resin material. Moreover, what gave the surface of the base material 11 for light shielding coating etc. can be mentioned.
  • the light shielding slat 6 is made of a metal material and has a configuration that is more rigid than the daylighting slat 4 made of a resin material.
  • the light-shielding slats 6 are “JIS A4801 In the “steel and aluminum alloy venetian blinds” provision, the slats have a margin of overlap of 3 mm or more when the width is 35 mm or more, and 2 mm or more when the width is less than 35 mm, and when the slat is fully closed, the horizontal direction The other side should not be seen. Therefore, it is preferable to satisfy JIS regulations as the interval between the light shielding slats 6 in the closed state.
  • the light shielding slats 6 constituting the light shielding region 7 do not have to be made of a material having high light shielding properties.
  • a part of the light shielding slat 6 constituting the light shielding region 7 may be constituted by a colored slat having a colored light transmission property.
  • the cross-sectional shape perpendicular to the longitudinal direction of the light shielding slat 6 may be different from the shape of the daylighting slat 4 shown in FIG. 3 or the same shape. If it is the same shape as the daylighting slat 4, generation
  • the support mechanism 3 includes a plurality of ladder cords 12 arranged in parallel in the vertical direction (short direction of the plurality of slats 2), a fixing box 13 that supports upper end portions of the plurality of ladder cords 12, and a plurality of ladder cords 12. And an elevating bar 14 attached to the lower end.
  • a pair of ladder cords 12 are arranged side by side on both the left and right sides of the center portion of the plurality of slats 2.
  • the fixed box 13 is positioned at the top of the plurality of slats 2 arranged in parallel to each other, and is arranged in parallel with the plurality of slats 2.
  • the elevating bar 14 is located at the lowermost part of the plurality of slats 2 arranged in parallel to each other, and is arranged in parallel with the plurality of slats 2.
  • the support mechanism 3 includes an elevating operation unit 17 for elevating the plurality of slats 2 and a tilt operation unit 18 for tilting the plurality of slats 2.
  • the elevating operation unit 17 has a plurality of elevating cords 19.
  • the plurality of lifting / lowering cords 19 are arranged in parallel with the ladder cord 12. Further, the plurality of lift cords 19 are attached to the lift bar 14 at the lower ends thereof through the holes 20 formed in each slat 2.
  • the upper and lower ends of the plurality of lifting / lowering cords 19 are drawn inside the fixed box 13 and drawn out from the window portion 21 provided on one side of the fixed box 13.
  • the lifting / lowering cord 19 drawn out from the window portion 21 is connected to one end of the operation cord 22.
  • the other end of the operation cord 22 is attached to one end of the lift bar 14.
  • the lifting / lowering cord 19 is pulled into the inside of the fixed box 13 by pulling the operation cord 22 from the state where the lifting / lowering bar 14 is located at the lowermost part.
  • the lifting / lowering cord 19 is fixed by a stopper (not shown) provided inside the window portion 21.
  • the raising / lowering bar 14 can be fixed in arbitrary height positions.
  • the lifting bar 14 can be lowered by its own weight by releasing the fixing of the lifting cord 19 by the stopper. Thereby, the raising / lowering bar 14 can be located in the lowest part again.
  • the tilting operation unit 18 has an operation lever 23 on one side of the fixed box 13.
  • the operation lever 23 is attached to be rotatable about an axis.
  • the ladder cord 12 can be operated by rotating the operation lever 23 around the axis.
  • the plurality of slats 2 are tilted while being synchronized with each other between a fully open state (FIG. 4A) in which the slats 2 are opened and a fully closed state (FIG. 4B) in which the slats 2 are closed. be able to.
  • the light incident on the room through the window glass is irradiated toward the indoor ceiling by the plurality of daylighting slats 4 constituting the daylighting area 5, and the light shielding area.
  • the light directed to the glare region can be shielded by the plurality of light shielding slats 6 constituting the light source 7.
  • FIG. 4A is a diagram illustrating a state when the daylighting slat 4 according to the first embodiment is fully opened (horizontal state).
  • FIG. 4B is a diagram illustrating a state when the daylighting slat 4 according to the first embodiment is in a fully closed state (vertical state).
  • the posture of the slats 2 is changed between the fully open state shown in FIG. 4A and the fully closed state shown in FIG. 4B, and the angle of the light toward the ceiling in the lighting area Can be adjusted.
  • the region where the fine structure is formed is in a vertical posture along the vertical direction. It is ideal.
  • the microstructure surface of the daylighting slats does not become perpendicular to the vertical direction when fully closed, and tilts at an angle of approximately 15 ° ⁇ 5 °. It was.
  • the gap between the first portions 41 a of the daylighting slats 4 adjacent to each other in the vertical direction in the fully closed state is small, and the first lighting slat 4 has the first gap.
  • the portions 41a exist densely.
  • the widths of the first portion 41a, the second portion 41b, and the third portion 41c, the second portion 41b and the third portion 41c with respect to the first portion 41a are formed. It is preferable to design the angles ⁇ 1, ⁇ 2, slat width and adjacent slat pitch.
  • the daylighting slat 4 according to the first embodiment of the present invention is manufactured by multi-stage bending, and has the following dimensional shape.
  • -Length L in the extending direction (FIG. 2): 1000 mm -Width W in the transverse direction intersecting the extending direction (FIG. 3): 25 mm ⁇ Slat thickness T (Fig. 3): 0.5mm ⁇ Slat pitch P (FIG. 4B): around 20 mm
  • the width W1 of the central first portion 41a is close to the slat pitch P.
  • the first portion 41a of the lower-side daylighting slat 4 is not shaded by the third portion 41c of the upper-side daylighting slat 4.
  • the extent to which the daylighting slats are arranged in the fully closed state can be determined using, for example, Comparative Example 1 and Comparative Example 2 as follows.
  • FIG. 5 is a diagram illustrating a configuration of a daylighting slat of Comparative Example 1.
  • the daylighting slat 84 shown in FIG. 5 it is bent at the center portion of the slat in the width direction intersecting the longitudinal direction, and has a symmetrical cross-sectional shape via the bent portion C.
  • the width W1 of the first portion 81a located on one side of the bent portion C and the width W2 of the second portion 81b located on the other side are the same.
  • a plurality of daylighting units 42 are provided in each region of the first portion 81a and the second portion 81b. In other words, the daylighting section 42 is disposed on the entire surface of the first portion 81 a of the base material 81.
  • the slat pitch adjacent to the slat width W3 Assuming that this commercially available blind slat is changed to the daylighting slat 84 of Comparative Example 1, P3 satisfies W3 / P ⁇ 1.2.
  • the ratio of the first portion 91a in the slat pitch P becomes the daylighting area ratio as it is.
  • FIG. 6A is a diagram illustrating a state in which a blind (lighting device) 80 including the daylighting slats 84 of Comparative Example 1 is in a fully opened state.
  • FIG. 6B is a diagram illustrating a state where the blind 80 including the daylighting slats 84 of Comparative Example 1 is in a fully closed state.
  • the angle of the light toward the ceiling in the daylighting region 5 by tilting the plurality of slats 2 (daylighting slats 84). can be adjusted.
  • FIG. 7 is a diagram illustrating a configuration of the daylighting slat 94 of the second comparative example.
  • the daylighting slat 94 shown in FIG. 7 in order to increase the daylighting area, it is bent at a portion biased to one end side in the width direction intersecting the longitudinal direction of the base material 91 and has a cross-sectional shape that is asymmetric.
  • the width W2 of the second portion 91b located on the other side is shorter than the width W1 of the first portion 91a located on one side of the bent portion C.
  • the central portion in the longitudinal direction is easily bent when fully opened. That is, since the cross-sectional shape is symmetrical, the first portion 81a and the second portion 81b bend evenly when the horizontal posture is set in the fully opened state. Further, in the case of the daylighting slat 94 of Comparative Example 2 in which the cross-sectional shape is asymmetrical in order to increase the daylighting area, the first portion 91a having a wider width in the cross-sectional direction is more likely to bend due to large gravity. In this way, when the slats are bent downward when the blinds are fully opened, the outside scenery is partially blocked by the slats located above and below contacting each other. This makes it difficult to see the light and makes it impossible to incorporate light into the room.
  • FIG. 8 is a diagram illustrating a state in which an existing flat slat is verified with a cantilever beam.
  • the existing flat slat 104 has one end in the longitudinal direction fixed to the support member 105 in a cantilever shape, and the free end 104b side is vertically downward with the fixed end 104a side as a fulcrum.
  • -Slat substrate PET material with a thickness of 250 ⁇ m-Beam length L: 200 mm ⁇
  • Load Own weight only
  • FIG. 9 is a diagram illustrating a simulation result by the slat model of Example 1 according to an aspect of the present invention.
  • FIG. 10 is a diagram illustrating a simulation result by the slat model of Comparative Example 2. In FIG. 9 and FIG. 10, a portion with a large amount of bending is shown in black. As shown in FIGS.
  • the local bending at the central portion in the longitudinal direction can be suppressed by having two bent portions C1 and C2 in the width direction intersecting the longitudinal direction of the daylighting slat.
  • the 1st part 41a of the base material 41 in the lighting slat 4 will be in the attitude
  • FIG. 11 is a diagram illustrating a configuration of a daylighting slat 4A according to Modification 1-1 of the first embodiment.
  • the fine structure is provided only in the first region 41Aa of the first portion 41a in the daylighting slat 4, but not limited to this configuration, for example, like the daylighting slat 4A shown in FIG.
  • a plurality of daylighting sections 42 may be provided in the second region 41Ab of the second portion 41b and the third region 41Ac of the third portion 41c.
  • FIG. 12 is a diagram illustrating a configuration of a daylighting slat 4B according to Modification 1-2 of the first embodiment.
  • the daylighting part 42B comprised by the prism body whose cross-sectional shape of the direction which cross
  • the cross-sectional shape of the daylighting unit can be appropriately changed such as a pentagon or a hexagon.
  • FIG. 13 is a diagram illustrating a configuration of a daylighting slat 4C according to Modification 1-3 of the first embodiment.
  • the daylighting part 42C comprised of a prism body whose cross-sectional shape in the direction intersecting the longitudinal direction is a triangular shape may be provided.
  • the cross-sectional shape of the daylighting section can be appropriately changed such as a regular triangle or a right triangle.
  • FIG. 14 is a diagram illustrating a configuration of a daylighting slat 4D according to Modification 1-4 of the first embodiment.
  • a plurality of daylighting portions 42D are formed on the first portion 41a on the second surface 41B side (surface opposite to the first surface 41A) side of the base material 41, You may install the fine structure side in which the lighting part 42D was formed toward the indoor side.
  • FIG. 15 is a perspective view illustrating a configuration of a daylighting slat 4E according to Modification 1-5 of the first embodiment.
  • FIG. 16 is a side view of a daylighting slat 4E according to Modification 1-5.
  • notches 8 and 9 through which the ladder cord 12 shown in FIG. 1 is inserted are respectively formed in predetermined portions of the second portion 41b and the third portion 41c. May be.
  • the notches 8 and 9 for storing the ladder code are portions cut out in the direction intersecting the longitudinal direction, and the notches 8 of the second portion 41b have dimensions up to the center portion in the width direction.
  • the notch 9 of the 3 part 41c is formed over the whole width direction of the 3rd part 41c.
  • the shapes of the notches 8 and 9 are not limited to those illustrated, and can be appropriately changed as long as the ladder cord 12 can be accommodated.
  • the second portion 41b and the third portion 41c may be bent perpendicularly to the first portion 41a.
  • the inclination angle ⁇ of the second part 41b and the third part 41c with respect to the first part 41a was 130 °, but the present invention is not limited to this, and the inclination angle ⁇ may be 90 °.
  • the width ratio of the second portion 41b and the third portion 41c is not particularly limited, but the cross-sectional shape is preferably symmetrical. If the width of the second portion 41b and the third portion 41c is too large with respect to the first portion 41a, the second portion 41b and the third portion 41c become wrinkles, and a plurality of daylighting units provided in the first portion 41a This is not preferable because it impedes the incidence rate of light on 42. Therefore, it is preferable that the 1st part 41a is a dimension wider than the 2nd part 41b and the 3rd part 41c in the direction which cross
  • FIG. 17 is a side view showing the configuration of the daylighting slat according to the second embodiment.
  • the daylighting slat 24 of this embodiment is configured to include a light diffusion layer 25 that diffuses light on the second surface 41 ⁇ / b> B side of the base material 41.
  • the light diffusion layer 25 is provided on the side opposite to the fine structure surface of the base material 41 and diffuses and emits the light bent in the daylighting unit 42.
  • the light diffusion layer 25 may have any of isotropic diffusion and anisotropic diffusion characteristics, and is selected according to the purpose.
  • glare light is dispersed at various other angles by the light diffusing layer 25, and glare due to light having high directivity that has been taken can be mitigated.
  • a comfortable indoor environment can be obtained without excessive glare light entering the line of sight of a person in the room, a personal computer monitor or the like.
  • FIG. 18 is a diagram illustrating a configuration of a variation 2-1 of the daylighting slat according to the second embodiment.
  • the light diffusion layer 25 may be provided on the entire second surface 41B opposite to the first surface 41A on which the fine structure of the base material 41 is formed.
  • a plurality of daylighting units 42 may be provided not only in the first region 41Aa of the first portion 41a in the base material 41 but also in the second region 41Ab of the second portion 41b.
  • FIG. 19 is a diagram illustrating a configuration of a modification 2-2 of the daylighting slat according to the second embodiment.
  • a daylighting slat 24B shown in FIG. 19 a plurality of daylighting portions 42 are formed on the entire first surface 41A of the base material 41, and a light diffusion layer 25 is provided on the entire second surface 41B. Also good.
  • FIG. 20 is a diagram illustrating another configuration of the daylighting slat according to the second embodiment.
  • the configuration including the light diffusion layer 25 as a means for imparting light diffusion characteristics has been described.
  • the present invention is not limited to this.
  • FIG. It is good also as a structure which provided the diffusion film (prism structure) 26.
  • FIG. Specifically, as shown in FIG. 20, a light diffusion film 26 in which a plurality of prism portions 26a are formed on a base material 26b is provided on the first portion 41a of the second surface 41B of the base material 41. It is good also as a structure.
  • Each prism portion 26a has a triangular cross-sectional shape that intersects the longitudinal direction, and is arranged with a predetermined interval between the prism portions 26a adjacent to each other in the arrangement direction (vertical direction).
  • the light diffusion film 26 is bonded to the first portion 41a of the second surface 41B of the base material 41 via an adhesive (not shown). As described above, the light emitted may be diffused by providing the light diffusion film 26 as the second fine structure on the light emission surface (second surface 41B) side of the base material 41.
  • FIG. 21 is a perspective view showing the configuration (fully closed state) of the blind according to the third embodiment.
  • FIG. 22 is a side view showing the configuration (fully closed state) of the blind according to the third embodiment.
  • the blind (lighting device) 30 of the present embodiment includes a plurality of daylighting slats 34 that partially have light shielding properties.
  • the second portion 41b and the third portion 41c other than the first portion 41a provided with the fine structure in the base material 41 are each in an arbitrary color (for example, black, blue). Is colored.
  • the daylighting slat 34 Of the light incident on the daylighting slat 34, light incident at a low angle is incident on the first portion 41a in which the plurality of daylighting parts 42 are formed, and is bent and emitted upward in the room in each daylighting part 42. Is done. On the other hand, light incident at a high angle is reflected or absorbed outward in the colored third portion 41c, and thus does not pass through the slats.
  • notches 8 and 9 for inserting the ladder cord 12 may be formed in each of the second portion 41b and the third portion 41c.
  • the second portion 41b and the third portion 41c are provided with light shielding properties (light absorption properties).
  • the present invention is not limited to this, and at least one of the second portion 41b and the third portion 41c has light shielding properties. It is good also as a structure which gave. Although it differs depending on the configuration of the blinds, it is preferable to provide light shielding properties to the lower part of the second part 41b and the third part 41c relative to the first part 41a in the fully closed state.
  • FIG. 23 is a perspective view showing the configuration (fully closed state) of the blind according to the fourth embodiment.
  • FIG. 24 is a side view showing the configuration (fully closed state) of the blind according to the fourth embodiment.
  • the inclination angle ⁇ of the third portion 41c with respect to the first portion 41a provided with the fine structure in the base material 41 becomes an acute angle. Yes.
  • the third portion 41c is largely bent toward the first portion 41a, and the inclination angle ⁇ with respect to the first portion 41a is less than 90 °, which is about 60 ° here. It is said that.
  • several daylighting parts 42 provided on the lower side among the plurality of daylighting parts 42 formed in the first portion 41a are: The third portion 41c that is largely bent is hidden by the third portion 41c.
  • light reflectivity is imparted to the third portion 41c.
  • a method for imparting light reflectivity to the third region 41Ac of the third portion 41c include a mirror member or a scattering reflection member.
  • the third region 41Ac is provided over substantially the entire third region 41Ac.
  • the high-angle light incident on the third portion 41c of the daylighting slat 44 is reflected toward the first portion 41a side by the third portion 41c and enters the daylighting portion 42. In this way, high-angle light incident on the third portion 41c can be effectively used without reflecting outward.
  • the lower end side (third portion 41c) of the slat may be bent upward.
  • the light reflected and diffused in the third portion 41c can also be used, a bright environment can be ensured even in a room with poor sunlight.
  • FIG. 25 is a perspective view showing a daylighting slat with a reinforcing member in the fifth embodiment.
  • FIG. 26 is a side view showing a daylighting slat with a reinforcing member in the fifth embodiment.
  • a reinforcing member 51 is attached to each daylighting plate 40 in the daylighting slat 54 of the present embodiment.
  • the reinforcing member 51 is attached so as to cover the second surface 41 ⁇ / b> B side of the base material 41.
  • the reinforcing member 51 is made of a metal material or a resin material. When using a resin material, the reinforcing member 51 is preferably formed thicker than the daylighting slat 4 and has a higher rigidity.
  • the reinforcing member 51 includes a central portion 51a that faces the first portion 41a on the second surface 41B side of the daylighting slat 54, and a second portion that engages with the second portion 41b of the daylighting slat 54 on one end side of the central portion 51a.
  • the engaging portion 51b is configured to include a third engaging portion 51c that is engaged with the third portion 41c of the daylighting slat 54 on the other end side of the central portion 51a.
  • the central portion 51 a has a length corresponding to the width of the first portion 41 a of the daylighting slat 54.
  • the second engaging portion 51b is bent so as to be folded back from the second surface 41B side of the second portion 41b of the daylighting slat 54 toward the first surface 41A side, and the second portion of the daylighting slat 4 is formed inside.
  • the third engaging portion 51c is bent so as to be folded back from the second surface 41B side to the first surface 41A side of the third portion 41c of the daylighting slat 54, and the third portion of the daylighting slat 54 is formed inside.
  • the reinforcing member 51 formed along the shape of the daylighting slat 54 has the second portion 41b and the third portion 41c of the daylighting slat 54 in the gaps S2 and S3 from one end side in the longitudinal direction of the daylighting slat 4. Are respectively attached to predetermined positions of the daylighting slats 54.
  • a notch is formed in the daylighting slat 4, it is preferable to form a notch in the reinforcing member 51.
  • the portion through which the ladder cord 12 (FIG. 1) is inserted serves as a fulcrum, so that the strength is weak and locally deformed, particularly when a notch for inserting the ladder cord 12 is formed. There was a problem that was likely to occur.
  • the reinforcing member 51 as in the present embodiment to the daylighting slat 54, the strength of the daylighting slat 54 can be increased, and deformation can be suppressed.
  • the reinforcing member 51 by attaching the reinforcing member 51 to the ladder cord portion of the daylighting slat 54 (position where the notch is formed), the periphery of the notch on the daylighting slat 4 side can be reinforced by the reinforcing member 51.
  • the reinforcing member 51 may be attached not only to the daylighting slat 4 but also to the light shielding slat 6.
  • the daylighting device of the present embodiment shown below includes a daylighting slat whose bending direction is different from that of the previous embodiment. Therefore, in the following description, it demonstrates in detail in a different point from previous embodiment, and abbreviate
  • FIG. 27A is an enlarged view showing a main part of the daylighting device (fully opened state) in the sixth embodiment.
  • FIG. 27B is a diagram illustrating a state (fully closed state) during use of the daylighting device according to the sixth embodiment.
  • the second portion 41b of the base material 61 is bent and formed on the first surface 41A side
  • the third portion 41c is the second surface 41B. It is formed with a daylighting slat 64 that is bent to the side and has a bending direction opposite to that of the previous embodiment.
  • a plurality of daylighting portions 42 are formed from the first portion 41a on the first surface 41A side to the second portion 41b, and no daylighting portion 42 is provided in the third portion 41c.
  • Such a daylighting slat 64 is different from the previous embodiment in the direction of tilting the slat when the operation lever 23 (FIG. 1) is operated, and a fine structure is formed when the blind 60 is fully opened.
  • the first surface 41A side is directed downward (the light diffusion layer 25 side provided on the second surface 41B side is upward) and the blind 60 is fully closed, as shown in FIG. It is assumed that the structural surface side faces the outdoor (window glass) side.
  • the shading slats may have the same shape as the daylighting slats 64 of the present embodiment.
  • FIG. 28 is a side view showing the configuration of the daylighting slat in the seventh embodiment. As shown in FIG. 28, in the daylighting slat 74 of the present embodiment, the second portion 71b and the third portion 71c are bent in the same direction with respect to the first portion 71a of the base material 71.
  • the second portion 71b and the third portion 71c are bent to a second surface 71B opposite to the first surface 71A on which the plurality of daylighting portions 42 are formed.
  • Each inclination angle ⁇ of the second portion 71b and the third portion 71c with respect to the first portion 71a is 130 °.
  • FIG. 29A is a diagram illustrating a state in which the blind according to the seventh embodiment is fully opened.
  • FIG. 29B is a diagram illustrating a state in which the blind according to the seventh embodiment is in a fully closed state.
  • the daylighting slat 74 is formed with a notch 9 for inserting the ladder cord 12 through the third portion 71 c of the base material 71.
  • the first portion 71a can be in a vertical posture when the blind (lighting device) 70 is fully closed.
  • the notch 9 does not need to be formed.
  • FIG. 30 is a diagram illustrating a simulation result by the daylighting slat model of the seventh embodiment.
  • the daylighting slat 74 has one end in the longitudinal direction fixed to a support member (not shown) in a cantilever shape, and the free end 74b side is bent and deformed downward in the vertical direction with the fixed end 74a side as a fulcrum.
  • -Slat substrate PET material with a thickness of 250 ⁇ m-Beam length L: 200 mm ⁇ Load: Own weight only
  • the free end 74b side is most bent, but the cross-section is not twisted and the cross-section is bent uniformly, and local bending is suppressed.
  • the bending direction of the 2nd part 41b and the 3rd part 41c in the base material 41 is the same direction, it is effective in local bending improvement.
  • FIG. 31 is a side view showing the configuration of the base material in the eighth embodiment.
  • FIG. 32 is a side view showing the configuration of the daylighting slat in the eighth embodiment.
  • the base material 141 in this embodiment is provided with bent portions C11 and C21 in the second portion 141b and the third portion 141c, respectively.
  • Each of the bent portions C11 and C21 is provided outside the first bent portion C1 and the second bent portion C2 in the short direction of the base material 141, respectively.
  • the second portion 141b and the third portion 141c are bent at a predetermined angle at each of the bent portions C11 and C21.
  • the angles ⁇ 1, ⁇ 2, ⁇ 3, and ⁇ 4 in the first bent portion C1, the second bent portion C2, and the bent portions C11 and C21 are set to 150 °, respectively.
  • the angles ⁇ 1, ⁇ 2, ⁇ 3, and ⁇ 4 of the bent portions C1, C2, C11, and C21 are set to 150 °, respectively.
  • the daylighting slat 140 of this embodiment includes the base material 141 described above, a large number of daylighting portions 42 ⁇ / b> C formed on the first surface 141 ⁇ / b> A of the base material 141, and the second surface 141 ⁇ / b> B of the base material 141. And a light diffusing layer 25 provided on the surface.
  • the daylighting portion 42C is provided on substantially the entire first surface 141A of the base material 141, and the light emitted from the daylighting portion 42C provided in the first region 141Aa, the second region 141b, and the second region 141Aa.
  • the three regions 141c light emitted from the daylighting portion 42C provided in the region inside the bent portions C11 and C21 and light emitted from the daylighting portion 42C provided in the region outside the bent portions C11 and C21.
  • the emission angle can be made different for each of the emitted light.
  • the bent portions C11 and C21 are provided in the second portion 141b and the third portion 141c to further increase the bent portions of the entire base material 141, whereby the first portion 141a, the second portion 141b, and the third portion 141c are injected.
  • the light emission angle can be changed. As described above, by increasing the number of the bent portions in the base material 141, it is possible to suppress the bending in the longitudinal direction of the base material 41 and to emit the emitted light at various angles. Be able to.
  • the dimensions such as the width W in the short direction intersecting the extending direction and the width W1 of the first portion 141a are appropriately set.
  • FIG. 34 is a side view taken along the line BB ′ of FIG. 35, showing a room model 2000 equipped with a daylighting device and an illumination dimming system.
  • FIG. 35 is a plan view showing the ceiling of the room model 2000.
  • the ceiling material constituting the ceiling 2003a of the room 2003 into which external light is introduced may have high light reflectivity.
  • a light-reflective ceiling material 2003A is installed on the ceiling 2003a of the room 2003 as a ceiling material having light reflectivity.
  • the light-reflective ceiling material 2003A is intended to promote the introduction of outside light from the daylighting device 2010 installed in the window 2002 into the interior of the room, and is installed on the ceiling 2003a near the window. Yes. Specifically, it is installed in a predetermined area E (an area about 3 m from the window 2002) of the ceiling 2003a.
  • the light-reflective ceiling material 2003A is configured to transmit the outside light introduced into the room through the window 2002 in which the daylighting device 2010 (the daylighting device of any of the above-described embodiments) is installed. Efficiently leads to the back.
  • the external light introduced from the lighting device 2010 toward the indoor ceiling 2003a is reflected by the light-reflective ceiling material 2003A and changes its direction to illuminate the desk surface 2005a of the desk 2005 placed in the interior of the room. The effect of brightening the desk top surface 2005a is exhibited.
  • the light-reflective ceiling material 2003A may be diffusely reflective or specularly reflective, but has the effect of brightening the desk top surface 2005a of the desk 2005 placed in the interior of the room, and is in the room. In order to achieve both effects of suppressing glare light that is unpleasant for humans, it is preferable that the characteristics of the two are appropriately mixed.
  • the light incident on the ceiling (region E) in the vicinity of the window can be distributed toward the back of the room where the amount of light is small compared to the window.
  • the light-reflective ceiling material 2003A is formed by, for example, embossing a metal plate such as aluminum with unevenness of about several tens of microns, or depositing a metal thin film such as aluminum on the surface of a resin substrate on which similar unevenness is formed. Can be created. Or the unevenness
  • the emboss shape formed on the light-reflective ceiling material 2003A it is possible to control the light distribution characteristics and the light distribution in the room. For example, when embossing is performed in a stripe shape extending toward the back of the room, the light reflected by the light-reflective ceiling material 2003A is in the left-right direction of the window 2002 (direction intersecting the longitudinal direction of the unevenness). spread. When the size and direction of the window 2002 in the room 2003 are limited, the light is reflected in the horizontal direction by the light-reflective ceiling material 2003A and the interior of the room 2003 is moved to the back of the room. It can be reflected toward.
  • the daylighting apparatus 2010 is used as a part of the illumination dimming system in the room 2003.
  • the lighting dimming system includes, for example, a lighting device 2010, a plurality of indoor lighting devices 2007, a solar radiation adjusting device 2008 installed in a window, a control system thereof, and a light-reflective ceiling material 2003A installed on a ceiling 2003a. And the constituent members of the entire room including
  • a lighting device 2010 is installed on the upper side, and a solar radiation adjusting device 2008 is installed on the lower side.
  • a blind is installed as the solar radiation adjustment device 2008, but this is not a limitation.
  • a plurality of indoor lighting devices 2007 are arranged in a grid in the left-right direction (Y direction) of the window 2002 and the depth direction (X direction) of the room.
  • the plurality of indoor lighting devices 2007 together with the daylighting device 2010 constitute an entire lighting system of the room 2003.
  • the ceiling length L 1 in the left-right direction (Y-direction) is 18m
  • the length L 2 in the depth direction of the room 2003 (X direction) of the office 9m windows 2002 2003a Indicates.
  • the indoor lighting devices 2007 are arranged in a grid pattern with an interval P of 1.8 m in the horizontal direction (Y direction) and the depth direction (X direction) of the ceiling 2003a. More specifically, 50 indoor lighting devices 2007 are arranged in 10 rows (Y direction) ⁇ 5 columns (X direction).
  • the indoor lighting device 2007 includes an indoor lighting fixture 2007a, a brightness detection unit 2007b, and a control unit 2007c.
  • the indoor lighting fixture 2007a is configured by integrating the brightness detection unit 2007b and the control unit 2007c. It is.
  • the indoor lighting device 2007 may include a plurality of indoor lighting fixtures 2007a and a plurality of brightness detection units 2007b. However, one brightness detector 2007b is provided for each indoor lighting device 2007a.
  • the brightness detection unit 2007b receives the reflected light of the irradiated surface illuminated by the indoor lighting fixture 2007a, and detects the illuminance of the irradiated surface.
  • the brightness detector 200b detects the illuminance of the desk surface 2005a of the desk 2005 placed indoors.
  • the control units 2007c provided for each room lighting device 2007 are connected to each other.
  • Each indoor lighting device 2007 is configured such that the illuminance of the desk top surface 2005a detected by each brightness detecting unit 2007b becomes a constant target illuminance L0 (for example, average illuminance: 750 lx) by the control units 2007c connected to each other.
  • Feedback control is performed to adjust the light output of the LED lamp of each indoor lighting fixture 2007a.
  • FIG. 36 is a graph showing the relationship between the illuminance of light (natural light) taken indoors by the daylighting device and the illuminance (illumination dimming system) by the indoor lighting device.
  • the vertical axis indicates the illuminance (lx) on the desk surface
  • the horizontal axis indicates the distance (m) from the window.
  • the broken line in the figure indicates the target illuminance in the room.
  • ⁇ Illuminance by lighting device
  • ⁇ Illuminance by indoor lighting device
  • ⁇ Total illumination
  • the daylighting device 2010 is used in combination with the indoor lighting device 2007 that compensates for the illuminance distribution in the room.
  • the indoor lighting device 2007 installed on the indoor ceiling detects the average illuminance below each device by the brightness detection unit 2007b, and is dimmed and controlled so that the desk surface illuminance of the entire room becomes a constant target illuminance L0. Lights up. Therefore, the S1 and S2 rows installed in the vicinity of the window are hardly lit, and are lit while increasing the output toward the back of the room with the S3, S4, and S5 rows.
  • the desk surface of the room is illuminated by the sum of the illuminance by natural lighting and the illumination by the room lighting device 2007, and the illuminance of the desk surface is 750 lx (“JIS Z9110 illumination” which is sufficient for work throughout the room. "Recommended maintenance illuminance in the office of" General "" can be realized.
  • the daylighting device 2010 and the lighting dimming system indoor lighting device 2007
  • Some aspects of the present invention include daylighting slats in which the bending of the central portion in the longitudinal direction is suppressed, and the use of such daylighting slats allows outdoor natural light (sunlight) to be efficiently taken indoors.
  • the present invention can be applied to a daylighting slat and a daylighting device that need to make a person feel bright up to the interior without feeling dazzling.

Abstract

La lamelle d'éclairage naturel selon un mode de réalisation de la présente invention comprend : un matériau de base optiquement transparent comportant une pluralité de parties incurvées dans une section transversale orthogonale par rapport à la direction longitudinale ; une pluralité d'unités d'éclairage naturel optiquement transparentes, placées sur au moins une partie d'une première surface du matériau de base ; et des intervalles prévus entre la pluralité des unités d'éclairage naturel. Cette lamelle d'éclairage naturel a pour fonction de réfléchir la lumière ayant pénétré dans une unité d'éclairage naturel.
PCT/JP2017/030559 2016-10-04 2017-08-25 Lamelle d'éclairage naturel et dispositif d'éclairage naturel WO2018066264A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081276A (ja) * 2000-09-11 2002-03-22 Matsushita Electric Works Ltd ブラインド
JP2003129772A (ja) * 2001-10-26 2003-05-08 Matsushita Electric Works Ltd ルーバー装置
JP3171122U (ja) * 2011-08-04 2011-10-13 克人 松井 ブラインド
JP2015028642A (ja) * 2014-09-04 2015-02-12 デクセリアルズ株式会社 光学素子およびその製造方法ならびに照明装置、窓材および建具
WO2015076245A1 (fr) * 2013-11-25 2015-05-28 シャープ株式会社 Dispositif d'éclairage naturel et lamelle d'éclairage naturel
JP2016033323A (ja) * 2014-07-30 2016-03-10 立川ブラインド工業株式会社 横型ブラインド

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081276A (ja) * 2000-09-11 2002-03-22 Matsushita Electric Works Ltd ブラインド
JP2003129772A (ja) * 2001-10-26 2003-05-08 Matsushita Electric Works Ltd ルーバー装置
JP3171122U (ja) * 2011-08-04 2011-10-13 克人 松井 ブラインド
WO2015076245A1 (fr) * 2013-11-25 2015-05-28 シャープ株式会社 Dispositif d'éclairage naturel et lamelle d'éclairage naturel
JP2016033323A (ja) * 2014-07-30 2016-03-10 立川ブラインド工業株式会社 横型ブラインド
JP2015028642A (ja) * 2014-09-04 2015-02-12 デクセリアルズ株式会社 光学素子およびその製造方法ならびに照明装置、窓材および建具

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