WO2021070731A1 - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
WO2021070731A1
WO2021070731A1 PCT/JP2020/037427 JP2020037427W WO2021070731A1 WO 2021070731 A1 WO2021070731 A1 WO 2021070731A1 JP 2020037427 W JP2020037427 W JP 2020037427W WO 2021070731 A1 WO2021070731 A1 WO 2021070731A1
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WO
WIPO (PCT)
Prior art keywords
nodule
unit
center
apex
gravity
Prior art date
Application number
PCT/JP2020/037427
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
将三 豊久
山口　洋一
Original Assignee
株式会社キルトプランニングオフィス
株式会社カネカ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社キルトプランニングオフィス, 株式会社カネカ filed Critical 株式会社キルトプランニングオフィス
Priority to JP2021551449A priority Critical patent/JP7505699B2/ja
Publication of WO2021070731A1 publication Critical patent/WO2021070731A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames

Definitions

  • the present invention relates to a lighting device.
  • the present invention relates to a lighting device using a surface light source such as an organic EL panel or an LED panel in which LEDs are studded in a plane shape.
  • Patent Document 1 a lighting device that uses an organic EL panel as a surface light source and illuminates an indoor space with soft light close to natural light.
  • Patent Document 1 has a problem that a plurality of organic EL panels are arranged in a plane, which is flat and uninteresting. Therefore, there has been a demand for a lighting device that is novel and has excellent design, which has never existed before.
  • an object of the present invention is to provide a lighting device capable of three-dimensional decoration with a sense of depth.
  • One aspect of the present invention for solving the above-mentioned solution has a center of gravity side knot, four apex side knots, and four connections, and the four apex side knots are each apex of the tetrahedron.
  • the nodule on the side of the center of gravity is arranged at the position of the center of gravity of the tetrahedron, and the tetrahedron has at least one surface forming an equilateral triangle and three of the tetrahedrons forming the equilateral triangle.
  • the lengths from the apex to the remaining vertices are equal, and the four connecting portions connect the center of gravity side nodule and each apex side nodule, and each from the center of gravity side nodule.
  • the nodule on the center of gravity side extends toward the nodule on the apex side, and the nodule on the center of gravity side is a lighting device to which a surface light source is attached.
  • the tetrahedron has nodules at the apex position and the center of gravity position, and the connecting portion connects these nodules, so that the entire lighting device has a three-dimensional spread. Therefore, the lighting device as a whole can have a sense of depth, and three-dimensional decoration is possible.
  • the surface light source since the surface light source is attached to the nodule on the center of gravity side arranged at the position of the center of gravity of the tetrahedron, the surface light source can be stably installed with good weight balance.
  • the preferred aspect is that the surface light source is attached to the opposite side of the center of gravity side nodule with respect to one connection.
  • the surface light source is located on the opposite side of the one connection part and the nodule on the center of gravity side, it is easier to balance the weight.
  • the preferred aspect is that the surface light source is rotatably attached to the nodule on the center of gravity side.
  • the light emitting surface of the surface light source can be directed in a desired direction.
  • connection portion has a mirror surface in part or in whole on the outer surface.
  • the synchrotron radiation emitted from natural light or a surface light source and its reflected light, the synchrotron radiation emitted from other lighting devices and its reflected light, etc. are reflected at the connection portion, and a gorgeous appearance can be exhibited. it can.
  • a preferred aspect is to have a wiring member including a first wiring portion, a second wiring portion, and a wiring portion for a light source, and the first wiring portion has a center of gravity along one connection portion from one apex side knot portion side.
  • the second wiring portion extends toward the side knot portion, branches from the first wiring portion, extends toward another apex side knot portion along the other connection portion, and is the wiring for the light source.
  • the unit is branched from the first wiring unit and connected to the surface light source so that power can be supplied.
  • the second wiring unit and the wiring unit for the light source have the same potential when energized. ..
  • the second wiring portion and the light source wiring portion have the same potential when energized, so that the surface from the light source wiring portion While supplying power to the light source, it can also supply power to the load.
  • connection portion is a hollow body having a space inside
  • the wiring member is such that the first wiring portion extends through the space of the connection portion and the first wiring portion extends in the center-of-gravity side nodule portion. 2 It is to branch into the wiring part and the wiring part for the light source.
  • connection part and the nodule on the center of gravity side it is possible to supply power to the surface light source by passing through the space inside the connection part and the nodule on the center of gravity side. Therefore, a part or all of the wiring member is hidden by the connecting portion and the nodule on the center of gravity side, so that the wiring member can be obscured in appearance. Further, a part or all of the wiring member is protected by the connecting portion and the nodule on the center of gravity side, and the wiring member can be prevented from being disconnected.
  • a preferred aspect is a lighting device that is attached by hanging from the attached portion, and one of the four connecting portions extends in the vertical direction in a state of being hung from the attached portion. It is that you are.
  • attached portion refers to a portion to be attached to the lighting device, and includes, for example, structures such as ceilings, walls, and floors.
  • connection part and the surface light source overlap in the vertical direction, the weight balance is good and it can hang down stably from the attached part.
  • the second surface light source is attached to each of the three apex-side nodules connected to the other three connection portions among the four connection portions, and each second surface light source is the above three. It is located above the two apex-side nodules and is attached in the extending direction of the one connecting portion.
  • each second surface light source is mounted on the same side in the vertical direction, the weight balance becomes better.
  • the preferred aspect is that the center-of-gravity nodule, the four apex-side nodules, and the four connections form a diamond crystal structure of a ball-and-stick model.
  • the unit portion has a plurality of unit portions, and the unit portion is composed of the center of gravity side nodule portion, the four apex side nodules, and the four connecting portions, and is between two adjacent unit portions. Has a shared nodule that shares the apex nodule.
  • the number of parts can be reduced because the apex side nodule can be shared between adjacent unit parts.
  • the plurality of unit portions include a first unit portion, a second unit portion, and a third unit portion, and an apical nodule portion is provided between the first unit portion and the second unit portion.
  • the center of gravity side nodule of the unit, the first shared nodule, the second shared nodule, and the third shared nodule are each connected by the connecting portion to form an annular portion, and are of a chair type. It is a positional relationship of three-dimensional seating.
  • the center-of-gravity nodule of the first unit the center-of-gravity nodule of the second unit, the center-of-gravity nodule of the third unit, the first shared nodule, and the second shared nodule.
  • the part and the third common nodule part have a positional relationship of a chair-shaped conformation. Therefore, there is almost no three-dimensional distortion, and the structural stability is high.
  • FIG. 6 It is a perspective view which shows typically the lighting apparatus of 1st Embodiment of this invention. It is a perspective view of the unit part of FIG. It is a perspective view of the unit part of FIG. 1, and is the perspective view seen from the direction different from FIG. It is a cross-sectional perspective view of the unit body of FIG. It is sectional drawing of the apex side nodule part of FIG. It is a conceptual diagram of the unit part of FIG. It is explanatory drawing of the unit part of FIG. 6, (a) is a conceptual diagram which shows the 2nd stage unit part, and (b) is a conceptual diagram which shows the 3rd stage unit part. It is an exploded perspective view of the surface light source part of FIG.
  • FIG. 1 It is a perspective view which shows typically the lighting apparatus of 2nd Embodiment of this invention. It is a perspective view of the unit part of FIG. It is a perspective view which shows the unit part of another embodiment of this invention schematically, (a) is a tetrahedron structure which is higher than a regular tetrahedron, (b) is a regular tetrahedron. On the other hand, it represents a case where a tetrahedral structure having a low height is adopted. It is a perspective view which shows typically the installation state of the lighting apparatus of another embodiment of this invention.
  • the lighting device 1 of the first embodiment of the present invention is a decorative lighting device that is attached to a mounted surface 200 (mounted portion) such as a ceiling surface.
  • the lighting device 1 is mainly composed of a base portion 2, a hanging portion 3, a unit portion 5, and a wiring member 6 (see FIGS. 4 and 5).
  • the base portion 2 is a plate-like body attached to the attached surface 200, and is fixed in surface contact with the attached surface 200 by an attachment means such as a fastening element or an adhesive (not shown). It is a part.
  • the hanging portion 3 is a portion that connects the base portion 2 and the unit portion 5 and suspends the unit portion 5 with respect to the base portion 2. That is, the hanging portion 3 can be supported by hanging the unit portion 5 with respect to the base portion 2.
  • the hanging portion 3 of the present embodiment is a string-shaped body or a rod-shaped body extending in a predetermined direction.
  • the unit unit 5 is composed of a plurality of unit bodies 10 and a plurality of surface light source units 11 and 12, and the unit bodies 10 are connected in a stepped manner and spread three-dimensionally.
  • the unit body 10 includes an apex side nodule portion 20 (20a to 20d), a center of gravity side nodule portion 21, a first connection portion 22, and a second connection portion 23.
  • the unit body 10 constitutes a diamond crystal structure of a ball-and-stick model by four apex-side nodules 20a to 20d, a center-of-gravity-side nodule 21, and connection portions 22 and 23. ing. That is, the nodule portions 20 and 21 correspond to balls (atoms), and the connection portions 22 and 23 correspond to sticks.
  • the apex-side nodule portions 20a to 20d are portions arranged at each apex position of the regular tetrahedron 15 (regular triangular pyramid) as shown in FIG. 2, and are also arranged at the apex positions of the cube 16 as shown in FIG. Is.
  • the apex-side nodule 20 is a hollow body having a substantially spherical shape and an internal space 26, and the outer surface is a mirror surface.
  • the apex side nodule portion 20 includes a plurality of attachment portions 27 to 29.
  • the mounting portions 27 to 29 are communication holes extending from the outer surface toward the space 26 and communicating with the space 26.
  • the mounting portions 27 and 28 are extension holes extending in the vertical direction so as to be close to each other when the lighting device 1 is mounted on the mounted surface 200, and are arranged in the vertical direction. That is, the first attachment portion 27 is provided at the top of the apex side nodule portion 20, and the second attachment portion 28 is provided at the bottom of the apex side nodule portion 20.
  • the mounting portion 29 extends in a direction intersecting the vertical direction when the lighting device 1 is mounted on the mounted surface 200. That is, the central axis of the mounting portion 29 intersects the central axis of the mounting portions 27 and 28 and extends diagonally upward.
  • the first mounting portion 27 can mount the apex side light source portion 11 by inserting the mounting portion 51 of the apex side light source portion 11.
  • the first connection portion 22 can be attached to the second attachment portion 28 by inserting the first connection portion 22.
  • the second connection portion 23 can be attached to the third attachment portion 29 by inserting the second connection portion 23.
  • the center-of-gravity side nodule 21 is a portion arranged at the center-of-gravity position of the regular tetrahedron 15 as shown in FIG. 2, and is also a portion arranged at the center position of the cube 16 as shown in FIG. As shown in FIGS. 2 and 4, the center-of-gravity side nodule 21 is a hollow body having a substantially spherical shape and a space 36 inside, and the outer surface is a mirror surface.
  • the center-of-gravity side nodule portion 21 includes a plurality of attachment portions 37 to 41.
  • the mounting portions 37 to 41 are communication holes extending from the outer surface toward the space 36 and communicating with the space 36.
  • the mounting portions 37 and 38 are extension holes extending in the vertical direction so as to be close to each other when the lighting device 1 is mounted on the mounted surface 200, and are arranged in the vertical direction. That is, the first mounting portion 37 is provided at the top of the center of gravity side nodule portion 21, and the second mounting portion 38 is provided at the bottom of the center of gravity side nodule portion 21.
  • the mounting portions 39 to 41 are holes arranged side by side at intervals in the circumferential direction with respect to the central axes of the mounting portions 37 and 38.
  • the mounting portions 39 to 41 extend in a direction intersecting the vertical direction when the lighting device 1 is mounted on the mounted surface 200. That is, the central axes of the mounting portions 39 to 41 intersect the central axes of the mounting portions 37 and 38 and extend diagonally downward.
  • the first connection portion 22 can be attached to the first attachment portion 37 by inserting the first connection portion 22.
  • the second mounting portion 38 can mount the center of gravity side light source portion 12 by inserting the mounting portion 51 of the center of gravity side light source portion 12.
  • the second connection portion 23 By inserting the second connection portion 23 into each of the third attachment portions 39 to 41, the second connection portion 23 can be attached to each of the third attachment portions 39 to 41.
  • the first connecting portion 22 is a portion connecting the apex side nodule portion 20a and the center of gravity side nodule portion 21, and is an extending portion extending in a predetermined direction.
  • the first connecting portion 22 has a cylindrical shape, has a space 46 inside, and has a mirror surface on the outer surface.
  • the second connecting portion 23 is a portion connecting the center-of-gravity side nodule portion 21 and the apex side nodule portion 20b to 20d, and is an extending portion extending in a direction different from that of the first connecting portion 22. Is.
  • the second connecting portion 23 has a cylindrical shape, has a space 56 inside, and has a mirror surface on the outer surface.
  • the apex side light source portion 11 includes a light emitting panel 50 and a mounting portion 51.
  • the light emitting panel 50 is a planar light emitting panel in which one side is a light emitting surface, the light emitting surface emits light in a planar manner, and diffused light is emitted.
  • the light emitting panel 50 is an organic EL panel.
  • the light emitting panel 50 of the present embodiment is a square plate-shaped panel having a planar spread.
  • the light emitting panel 50 may be an LED panel in which LEDs are studded in a plane shape.
  • the attachment portion 51 is a portion for rotatably attaching the light emitting panel 50 to the first attachment portion 27 of the apex side nodule portion 20.
  • the apex side light source portion 11 of the present embodiment includes a bearing portion 52 on the back surface of the light emitting panel 50, and a shaft portion 53 on the mounting portion 51. Then, in the apex side light source unit 11, the shaft portion 53 of the mounting portion 51 is inserted into the bearing portion 52 of the light emitting panel 50, and the light emitting panel 50 can rotate around the shaft portion 53 in the circumferential direction.
  • the center-of-gravity side light source unit 12 is a member similar to the apex side light source unit 11 and has the same configuration as the apex side light source unit 11, the same configuration is designated by the same reference numerals and description thereof will be omitted.
  • the center of gravity side light source unit 12 includes a light emitting panel 50 and a mounting portion 51, and the mounting portion 51 attaches the light emitting panel 50 to the second mounting portion 38 of the center of gravity side nodule portion 21. It can be mounted rotatably. That is, in the center of gravity side light source unit 12, the light emitting panel 50 can rotate around the shaft portion 53 of the mounting portion 51 in the circumferential direction.
  • the wiring member 6 is a power supply wiring for supplying power from an external power source to the light source units 11 and 12 on each surface, and has a positive wiring and a negative wiring built therein. As shown in FIGS. 4 and 5, the wiring member 6 is composed of a main wiring portion 70, a wiring portion 71 for a first light source, and a wiring portion 72 for a second light source.
  • the main wiring portion 70 is a wiring that crawls mainly inside the unit body 10, and is a connection wiring for electrically connecting from the apex-side nodule 20a at the base end to each apex-side nodule 20b to 20d at the end. ..
  • the main wiring portion 70 is configured by alternately arranging the first wiring portion 75 and the second wiring portion 76.
  • the first wiring portion 75 is a wiring portion that extends from the apex side nodule portion 20a toward the center of gravity side nodule portion 21 and connects the apex side nodule portion 20a and the center of gravity side nodule portion 21.
  • the second wiring portion 76 is connected to the end portion of the first wiring portion 75, extends from the center of gravity side nodule portion 21 toward the apex side nodule portion 20b to 20d, and extends from the center of gravity side nodule portion 21 to the apex side nodule portion 20b to 20d. It is a wiring part to connect.
  • the first light source wiring unit 71 is a branch wiring branched from the intermediate portion of the main wiring unit 70, and is a power supply wiring for supplying power to the center of gravity side light source unit 12.
  • the first light source wiring unit 71 is wiring branched from the end of the first wiring unit 75, and is the same as the second wiring unit 76 separately branched from the first wiring unit 75 when energized. It is an electric potential.
  • the second light source wiring unit 72 is a branch wiring branched from the intermediate portion of the main trunk wiring unit 70 as shown in FIG. 5, and is a power supply wiring for supplying power to the apex side light source unit 11.
  • the second light source wiring unit 72 is wiring branched from the end of the second wiring unit 76, and is the same as the first wiring unit 75 separately branched from the second wiring unit 76 when energized. It is an electric potential.
  • the lighting device 1 has a base portion 2 attached to a surface to be attached 200 by a fixing means (not shown).
  • the hanging portion 3 extends in the vertical direction, and the lower end portion is connected to the apex side knot portion 20a of the first stage.
  • the apex side nodule 20a is connected to the center of gravity side nodule 21 via the first connection 22 as shown in FIG. 2, and the center of gravity side nodule 21 is connected to each second connection. It is connected to the apex side nodule portions 20b to 20d via the portion 23.
  • the first mounting portion 27 is connected to the hanging portion 3 (first stage) or the apex side light source portion 11 (second and subsequent stages), and the second mounting portion 28. Is connected to the first connecting portion 22, and the third mounting portion 29 is connected to the second connecting portion 23.
  • the center of gravity side nodule portion 21 has a first attachment portion 37 connected to the first connection portion 22, a second attachment portion 38 connected to the center of gravity side light source portion 12, and a third attachment portion 21.
  • Units 39 to 41 are connected to each second connection unit 23.
  • the lighting device 1 has a plurality of locations that share the apex-side nodules 20a to 20d among the unit bodies 10.
  • the apex-side nodules 20b to 20d of the first-stage unit bodies 10a are shared nodules that also serve as the apex-side nodules 20a of the second-stage unit bodies 10b to 10d. That is, the apex-side nodule portions 20b to 20d of the first-stage unit body 10a are connected to the second attachment portion 28 with the first connection portion 22 as shown in FIG.
  • the apex-side nodule portion 20c is a shared nodule portion that also serves as the apex-side nodule portion 20b of the second-stage unit body 10c, and is on the apex side.
  • the nodule 20d is a shared nodule that also serves as the apex-side nodule 20b of the second-stage unit body 10d.
  • the second-stage unit body 10c is a shared knot portion in which the apex-side nodule portion 20d also serves as the apex-side nodule portion 20c of the second-stage unit body 10d. That is, the second connecting portion 23 of the unit body 10 adjacent to the mounting portion 29 is inserted into each of the apex-side nodule portions 20 of the second-stage unit bodies 10b to 10d.
  • the lighting device 1 includes the center-of-gravity side nodule 21 of each of the second-stage unit bodies 10b to 10d, the shared apex side nodule 20, and these.
  • the annular portion 80 is formed by the second connecting portion 23 connecting the nodule portions 20.
  • the nodule portions 20 and 21 constituting the annular portion 80 have a positional relationship of chair-shaped conformation.
  • the apex-side nodule portions 20b to 20d of the second-stage unit bodies 10b to 10d are shared nodule portions that also serve as the apex-side nodule portions 20a of the third-stage unit bodies 10e to 10j. .. That is, the apex-side nodule portions 20b to 20d of the second-stage unit bodies 10b to 10d are connected to the second attachment portion 28 by the first connection portion 22.
  • the third-stage unit bodies 10e to 10j share the apex-side nodule portions 20b to 20d among the adjacent unit bodies 10 as in the second-stage unit bodies 10b to 10d.
  • the second connecting portion 23 of the adjacent unit body 10 is inserted into each apex side nodule portion 20.
  • the lighting device 1 has the center-of-gravity side nodule 21 of each of the third-stage unit bodies 10e to 10j, the shared apex side nodule 20, and these nodule 20.
  • a plurality of annular portions 80 are configured by the second connecting portion 23 to be connected.
  • the nodule portions 20 and 21 constituting the annular portion 80 have a positional relationship of chair-shaped conformation.
  • the apex side light source unit 11 is located on the extension of the first connection unit 22 in the extending direction.
  • the apex side light source portion 11 and the first connecting portion 22 are arranged at positions facing each other with the apex side nodule portions 20b to 20d interposed therebetween. That is, the apex side light source unit 11 is on the side opposite to the connection portion of the apex side nodule portions 20b to 20d with the first connection portion 22, and is located on the upper side in the vertical direction.
  • the shaft portion 53 is located on an extension of the central axis of the first connecting portion 22, and the light emitting panel 50 is rotatable around the shaft portion 53.
  • the center-of-gravity side light source unit 12 is located on the extension of the first connection unit 22 in the extending direction and on the opposite side of the apex side surface light source unit 11.
  • the center of gravity side light source portion 12 and the first connecting portion 22 are arranged at positions facing each other with the center of gravity side nodule portion 21 interposed therebetween. That is, the center-of-gravity side light source unit 12 is on the side opposite to the connection portion of the center-of-gravity side nodule portion 21 with the first connection portion 22, and is located on the lower side in the vertical direction.
  • the shaft portion 53 is located on an extension of the central axis of the first connecting portion 22, and the light emitting panel 50 can rotate around the shaft portion 53.
  • the apex side knot portion 20 is arranged at the apex position of the regular tetrahedron 15 which is a regular polyhedron having the smallest number of vertices, sides, and faces. Therefore, it can be formed at low cost, and three-dimensional decoration with a sense of depth is possible.
  • the nodules 20 and 21 are evenly and most spaced in a certain space. Therefore, even with a simple configuration, a beautiful appearance can be exhibited.
  • the illumination device 1 of the present embodiment even when observed from all directions, the overlap of the synchrotron radiation from the surface light source units 11 and 12 is minimized, and a wider range can be illuminated. Therefore, energy saving is possible.
  • each center of gravity side nodule portion 21 is systematically supported by the second connecting portion 23. Therefore, it is highly stable and highly reliable.
  • a surface light source is used as a light source. Therefore, as compared with the LED which is a point light source, the perspective effect can be easily obtained and the effectability is excellent.
  • each apex side nodule portion 20 and each connection portion 22 and 23 have the same shape, they can be made into the same member, and can be manufactured inexpensively and easily.
  • the unit unit 5 has a regular tetrahedron structure, and the surface light source units 11 and 12 are provided at positions where there is little steric hindrance. Therefore, the connecting portions 22 and 23 are less likely to interfere with each other, and the surface light source portions 11 and 12 can be easily rotated.
  • the lighting device 1 of the present embodiment since the surface light source portions 11 and 12 are rotatable with respect to the nodule portions 20 and 21, the light emitting surface can obtain an appropriate decorative effect according to the installation location.
  • the angle of the can be adjusted, and the degree of freedom of decoration is high.
  • the surface light source units 11 and 12 are connected in parallel to the external power source and have the same potential. Therefore, the entire wiring member 6 can be simplified, and the surface light source portions 11 and 12 can be easily replaced and the unit portion 5 can be easily expanded.
  • the first connecting portion 22 connecting the apex side nodule portion 20a and the center of gravity side nodule portion 21 extends in the vertical direction, and the remaining apex side nodule portions 20b to 20d form a vertical axis. It is rotationally symmetric three times with respect to the center line of the connecting portion 22. Therefore, the mutual arrangement of the nodules 20 and 21 is stable, the weight of the lighting device 1 as a whole is easily balanced, and the stability is excellent.
  • the unit portion 5 has a diamond crystal structure having the nodule portions 20 and 21 as atomic positions. Therefore, it becomes a decorative lighting device with a novel design that has never existed before.
  • the annular portion 80 is formed by the center-of-gravity side nodule portion 21 of the second-stage unit bodies 10b to 10d, the apex side nodule portion 20 constituting the shared nodule portion, and the connecting portions 22, 23. It is configured. Then, according to the illumination device 1 of the present embodiment, the nodules 20 and 21 constituting the annular portion 80 have a positional relationship of the chair conformation, such as the carbon group of cyclohexane in the chair conformation. It has become. Therefore, there is almost no three-dimensional distortion, and the structural stability is high.
  • the lighting device 300 according to the second embodiment of the present invention will be described.
  • the same configuration as that of the lighting device 1 of the first embodiment is designated by the same reference numerals and the description thereof will be omitted. The same shall apply hereinafter.
  • the postures of the lighting device 1 and the unit unit 5 of the first embodiment are reversed as shown in FIGS. 9 and 10. That is, in the lighting device 300, the top and bottom of the unit portion 5 are reversed.
  • the lighting device 300 includes a base portion 2, a hanging portion 3, and a unit portion 305.
  • the unit unit 305 is composed of a plurality of unit bodies 310 and a plurality of surface light source units 311, 312, and the unit body 310 is spread out in a plurality of stages.
  • the surface light source portions 311, 312 form a universal joint with the light emitting panel 350 and the mounting portion 351 so that the joining angle can be freely changed.
  • the light emitting panel 350 is a panel similar to the light emitting panel 50, and the mounting portion 351 is mounted on the corner portion of the light emitting panel 350.
  • the light emitting panel 350 and the mounting portion 351 form a universal joint, the light emitting surface of the light emitting panel 350 can be directed in a desired direction, and the degree of freedom of decoration is increased. high.
  • the light emitting panels 50 and 350 have a front view shape, but the present invention is not limited to this, and the shapes of the light emitting panels 50 and 350 are not limited.
  • it may be a polygonal shape such as a front view triangle, a pentagon, or a hexagon, or it may be a circular shape or an elliptical shape.
  • the wiring member 6 crawls into the spaces 26, 36, 46, 56 inside the unit body 10, but the present invention is not limited to this.
  • the wiring member 6 may be partially or wholly exposed to the outside of the unit body 10.
  • the apex-side nodule 20 is arranged at the apex position of the regular tetrahedron 15, but the present invention is not limited to this.
  • the apex-side nodule 20 may be arranged at the apex position of a tetrahedron having at least one surface of an equilateral triangle and having the same length from the three vertices of the equilateral triangle to the remaining vertices.
  • each vertex-side nodule 20 may be arranged at each vertex position of the tetrahedron whose height is higher than that of the regular tetrahedron 15 as shown in FIG. 11 (a), or FIG. 11 (b).
  • the position of the center of gravity is located on an axis orthogonal to the position of the center of gravity of the equilateral triangle.
  • the unit portion 5 is suspended from the attached surface 200 by the suspending portion 3, but the present invention is not limited to this.
  • the mounted surface 200 is a wall surface or a floor surface
  • the unit portion 5 may be fixed to the mounted surface 200 by a rigid support member.
  • the unit unit 5 may have one or two stages, or may have four or more stages.
  • the first connecting portion 22 of the lower unit portion 5 is connected to all the apex-side nodule portions 20 in the upper stage, but the present invention is not limited to this.
  • the first connecting portion 22 of the lower unit portion 5 may be connected only to a part of the apex side nodule portion 20.
  • the hanging portion 3 is attached to the attached surface 200 via the base portion 2, but the present invention is not limited to this.
  • the hanging portion 3 may be directly attached to the attached surface 200 without going through the base portion 2.
  • a plurality of lighting devices 1 may be laid on the mounted surface 200 in a planar manner. In this case, it is preferable to spread the base portion 2 of each lighting device 1 so as to be tessellated.
  • the case where one lighting device 300 is attached to the attached surface 200 has been described, but the present invention is not limited thereto.
  • a plurality of lighting devices 300 may be laid on the mounted surface 200 in a planar manner.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
PCT/JP2020/037427 2019-10-10 2020-10-01 照明装置 WO2021070731A1 (ja)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7452919B1 (ja) 2024-01-15 2024-03-19 チームラボ株式会社 発光器具の吊下げ具及び発光器具の吊下げ構造

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50108623A (enrdf_load_stackoverflow) * 1974-02-02 1975-08-27
JP2013134853A (ja) * 2011-12-26 2013-07-08 Mitsubishi Chemicals Corp 照明装置及びこれに用いられる照明装置取付構造
JP2017010654A (ja) * 2015-06-17 2017-01-12 株式会社小糸製作所 照明装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50108623A (enrdf_load_stackoverflow) * 1974-02-02 1975-08-27
JP2013134853A (ja) * 2011-12-26 2013-07-08 Mitsubishi Chemicals Corp 照明装置及びこれに用いられる照明装置取付構造
JP2017010654A (ja) * 2015-06-17 2017-01-12 株式会社小糸製作所 照明装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7452919B1 (ja) 2024-01-15 2024-03-19 チームラボ株式会社 発光器具の吊下げ具及び発光器具の吊下げ構造
WO2025154365A1 (ja) * 2024-01-15 2025-07-24 チームラボ株式会社 発光器具の吊下げ具及び発光器具の吊下げ構造

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