JP2012185981A - Led light source unit and lighting fixture - Google Patents

Led light source unit and lighting fixture Download PDF

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Publication number
JP2012185981A
JP2012185981A JP2011047731A JP2011047731A JP2012185981A JP 2012185981 A JP2012185981 A JP 2012185981A JP 2011047731 A JP2011047731 A JP 2011047731A JP 2011047731 A JP2011047731 A JP 2011047731A JP 2012185981 A JP2012185981 A JP 2012185981A
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Prior art keywords
light source
led light
source unit
main body
locking
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JP2011047731A
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JP5697492B2 (en
Inventor
Hironori Kimura
Hiroyuki Yamamoto
浩之 山本
弘典 木村
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Nec Lighting Ltd
Necライティング株式会社
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Abstract

PROBLEM TO BE SOLVED: To achieve an LED light source unit made of LEDs which can be deemed as one lamp when they are arrayed in a row, without giving rise to any gaps against a lighting fixture body.SOLUTION: The LED light source unit 10 detachable from a fixture body 80 includes a long and slim base member 11 equipped with a loading face 20a with LED elements 31 arrayed and a rear face 20b, a semicylindrical diffusion cover 13 covering the loading face 20a and the LED elements 31 of the base member 11, a pair of lid members 70 clogging either end face of the diffusion cover 13, and a locking means 40 provided at a rear-face side of the base member 11. The lid member 70 has translucency, and the locking means 40 locks to the fixture body 80 and fixes the unit 10 to the fixture body 80, and at the same time, releases locking of the unit 10 to the fixture body 80 to make the unit 10 removable from the fixture body 80.

Description

  The present invention relates to a lighting fixture, and more particularly to a lighting fixture that uses an LED (Light Emitting Diode) as a light source.

  In recent years, lighting fixtures using LEDs as light sources have attracted attention as new lighting fixtures that replace conventional lighting fixtures using fluorescent lamps as light sources. Here, conventional lighting fixtures include a lighting fixture having a ring-shaped fluorescent lamp (sometimes referred to as a “circular”) and a lighting fixture having a straight tube fluorescent lamp. Widely used. Therefore, lighting fixtures using LEDs as light sources also replace lighting fixtures (see, for example, Patent Documents 1 and 2) that replace ring-type fluorescent lamps and lighting fixtures that include straight-tube fluorescent lamps. Lighting fixtures (see, for example, Patent Documents 3 and 4) have been developed.

  Here, the conventional straight tube type fluorescent lamp has a glass tube in which a discharge medium is sealed and a base provided at both ends of the glass tube, and a rod-shaped connector protrudes from each of the bases. . Such a connector is inserted into a hole provided in each of a pair of sockets provided in the instrument main body, functions as a fixing means for fixing the fluorescent lamp to the instrument main body, and is electrically connected to the instrument main body. It also functions as a power receiving means for supplying power to the electrodes arranged in the tube.

  Therefore, an LED light source unit that replaces the straight tube fluorescent lamp follows the structure and shape of the straight tube fluorescent lamp. Specifically, it has a plurality of LED elements arranged linearly and a cylindrical cover that covers the LED elements. Further, as shown in FIG. 7, members corresponding to the cap (hereinafter referred to as “cap 201”) are provided at both ends of the LED light source unit 100 (cover 200) (only one end is shown in FIG. 7). ) And a pin 202 corresponding to the connector protrudes from the end surface of the cap 201.

  Furthermore, as shown to Fig.8 (a), in the main body 300 of the lighting fixture using the above LED light source units 100, a pair of socket 301 which protrudes from this fixture main body 300 is provided. Further, as shown in FIG. 8B, each socket 301 is provided with a hole 302 that receives the pin 202 protruding from the cap 201 of the LED light source unit 100. And the LED light source unit 100 is fixed to the instrument main body 300 by the pin 202 inserted in the hole 302 which each socket 301 has similarly to the conventional fluorescent lamp, and is supplied with electric power through the pin 202. .

JP 2010-129281 A JP 2008-124008 A JP 2010-245018 A JP 2009-266432 A

  Conventional LED light source units and lighting fixtures using the units have the following problems. That is, the LED light source unit is held by a pair of sockets whose both ends protrude from the instrument body. For this reason, as shown to Fig.8 (a), a clearance gap arises between the LED light source unit 100 and the instrument main body 300, and the height (thickness) of a lighting fixture will increase.

  Further, as shown in FIGS. 8A and 8B, when two LED light source units 100 are arranged in a line, there are two sockets 301 between the adjacent LED light source units 100 and each unit 100. The cap 201 is interposed, and a large gap (non-light emitting portion) is generated between the adjacent LED light source units 100. Therefore, it is difficult to recognize a plurality of LED light source units 100 arranged in a row as if they were one lamp.

  This invention is made | formed in view of the said subject, The objective is to solve at least one part of the said subject.

  The LED light source unit of the present invention is arranged on an elongated base member having a mounting surface on which LED elements are arrayed and a back surface opposite to the mounting surface, the mounting surface of the base member, and the mounting surface. A semi-cylindrical diffusion cover that covers the LED element, a pair of lid members that respectively close both end surfaces of the diffusion cover, and a locking means and a power receiving means provided on the back side of the base member. The lid member has translucency, and the locking means locks the LED light source unit to the main body by locking to the main body, and releases the lock to the main body to release the LED light source. The unit is detachable from the main body, and the power receiving means is electrically connected to the main body and enables power supply to the LED element.

  The lighting fixture of the present invention has a main body and an LED light source unit that can be attached to and detached from the main body, and the LED light source unit includes a mounting surface on which LED elements are arranged, and a back surface opposite to the mounting surface. An elongated base member provided; a semi-cylindrical diffusion cover that covers the mounting surface of the base member and the LED elements arranged on the mounting surface; and a pair of lid members that respectively close both end surfaces of the diffusion cover And locking means and power receiving means provided on the back side of the base member. The main body includes a locking hole in which the locking unit of the LED light source unit can be locked and unlocked, and a power feeding unit that can be connected to and disconnected from the power receiving unit of the LED light source unit. Have. The locking means of the LED light source unit is locked to the locking hole of the main body to fix the LED light source unit to the main body, and the locking to the locking hole is released to release the LED light source. The unit is detachable from the main body, and the power receiving means of the LED light source unit is connected to the power feeding means of the main body to enable power supply to the LED element.

  According to the present invention, at least a part of the above problem is solved.

(A) (b) is a perspective view which shows an example of embodiment of the LED light source unit of this invention. It is a perspective view which shows an example of embodiment of the lighting fixture of this invention. (A) (b) is a different top view which shows the securing member provided in the LED light source module shown in FIG. It is a perspective view which shows the cover member provided in the LED light source module shown in FIG. (A)-(c) is a different top view which shows the lighting fixture shown in FIG. It is the elements on larger scale which show a locking member and a locking hole. It is the elements on larger scale which show an example of the conventional LED light source unit. (A) and (b) are the elements on larger scale which show the lighting fixture provided with the LED light source unit shown in FIG.

  Hereinafter, a first embodiment of a lighting fixture of the present invention will be described with reference to the drawings. In addition, the lighting fixture which concerns on this embodiment is a lighting fixture attached to the ceiling of a room in order to illuminate a room.

  Fig.1 (a) (b) is a perspective view of the LED light source unit 10 used for the lighting fixture which concerns on this embodiment. In addition, in order to show the internal structure of the LED light source unit 10, in FIG.1 (b), the diffusion cover 13 shown to Fig.1 (a) is slightly slid.

  FIG. 2 is a perspective view showing a main body (hereinafter, referred to as “apparatus main body 80”) of the lighting apparatus according to the present embodiment. Two LED light source units 10 can be attached to the instrument main body 80. In FIG. 2, one LED light source unit 10 is attached to the instrument main body 80, and the other LED light source unit 10 is removed from the instrument main body 80. It is.

  First, the LED light source unit 10 will be described in detail. As shown in FIG. 1A, the LED light source unit 10 includes a base member 11, a plurality of LED modules 12 mounted on the base member 11, and a half covering the LED modules 12 mounted on the base member 11. And a cylindrical diffusion cover 13.

  The base member 11 is a metal plate bent into a predetermined shape, and has an elongated shape as a whole. Specifically, as shown in FIG. 1B, a mounting portion 20 having two main surfaces 20a and 20b on which a plurality of LED modules 12 are mounted, Side walls 21 are vertically raised from two opposing long sides. Further, the end 21 a of each side wall 21 is bent at a right angle toward the outside and extends parallel to the mounting portion 20. In the following description, of the two main surfaces 20a and 20b of the mounting portion 20, the main surface 20a on which the LED module 12 is mounted is the “mounting surface 20a”, and the main surface 20b opposite to the mounting surface 20a. Are distinguished from each other by calling them “rear surface 20b”. Since the base member 11 has the above-described shape, an elongated space 22 having an upper opening sandwiched between opposing side walls 21 exists on the back surface 20b. It is apparent from FIGS. 1A and 1B that both ends in the longitudinal direction of the space 22 are also opened.

  Each LED module 12 includes a rectangular substrate 30 and a plurality of LED elements 31 arranged in a line on the substrate 30 along the longitudinal direction of the substrate 30. Each LED module 12 is arranged on the mounting surface 20a of the base member 11 as an example with no gap along the longitudinal direction of the mounting surface 20a.

  As shown in FIG. 2, a locking member 40 for attaching the LED light source unit 10 to the instrument body 80 is provided on the mounting portion back surface 20 b. Specifically, a pair of orthogonal brackets are respectively disposed at two locations slightly inside the longitudinal direction both ends of the back surface 20b, and the locking member 40 is fixed to these brackets. More specifically, one of the pair of brackets (first bracket 41 a) is spanned between the opposing side walls 21 (FIG. 1) of the base member 11 and straddles the space 22. The other of the pair of brackets (second bracket 41b) extends over the first bracket 41a, and both ends thereof are screwed to the mounting portion back surface 20b. The second bracket 41b fixes the first bracket 41a to the base member 11 and sandwiches the base of the locking member 40 between the first bracket 41a.

  Further, as shown in FIGS. 3 (a) and 3 (b), the locking member 40 is made of a metal wire, and the portion beyond the base is bent at a right angle to the base, and the mounting portion back surface 20b. Stands vertically against. The portion beyond the base of the locking member 40 is bent into a substantially rhombus like a pantograph and has elasticity as a whole, and the width W changes. In other words, the distance between two opposing vertices that define the width W of the locking member 40 changes. The locking member 40 passes through a locking hole 84 (FIG. 2) provided in the instrument body 80 in a state where the width W is temporarily reduced by elastic deformation and enters the locking hole 84. Then, it is locked to the edge of the locking hole 84 by returning to the original width. A method for attaching / detaching the LED light source unit 10 to / from the instrument body 80 will be described in detail later.

  In addition, as shown in FIG. 2, the base member 11 is provided with a power receiving means for receiving power supply via the instrument main body 80. Specifically, the wiring 50 extends from the mounting portion back surface 20 b of the base member 11, and the power receiving connector 51 connected to the power feeding connector 90 provided in the instrument body 80 is provided at the end of the wiring 50. Is provided. When the power supply connector 90 on the instrument body side and the power reception connector 51 on the LED light source unit side are connected, power is supplied to a power circuit (not shown) provided on the base member 11 via the wiring 50, and the power circuit Electric power is supplied to each LED module 12 (FIG. 1) via this.

  Next, the diffusion cover 13 shown in FIG. 1 will be described. The diffusion cover 13 is made of an acrylic or other translucent resin material and has a function of diffusing and emitting light emitted from the LED module 12. The diffusion cover 13 has a semicylindrical shape as described above, and both ends in the longitudinal direction are open. Further, a groove 60 is integrally formed over two long sides of the diffusion cover 13 that are parallel to each other, and both ends in the longitudinal direction of the groove 60 are also open. Therefore, the base member 11 and the diffusion cover 13 can be integrated by inserting and sliding the side wall end 21a of the base member 11 into the inside of the groove 60 from one end of the grooves 60. . In addition, by sliding the base member 11 and the diffusion cover 13 in the opposite directions relatively, the base member 11 and the diffusion cover 13 are separated, or a part of the base member 11 (LED module 12) is exposed. can do.

  Both open end faces of the diffusion cover 13 are closed by plate-like lid members 70 as shown in FIG. The lid member 70 includes a half-moon-shaped closing portion 71 corresponding to the end surface shape of the diffusion cover 13 shown in FIG. 1, an arc-shaped first rib 72 integrally formed on the inner surface of the closing portion 71, and a substantially rectangular first shape. 2 ribs 73. The first rib 72 has a shape corresponding to the arc of the inner surface of the diffusion cover, and is formed at a position retracted from the arc-shaped end surface 71 a of the closing portion 71 by the thickness of the diffusion cover 13. Therefore, when the lid member 70 is fitted to the end portion of the diffusion cover 13, the outer surface of the diffusion cover 13 and the end surface 71 a of the closing portion 71 are flush with each other. On the other hand, the second rib 73 is formed so as to overlap the mounting portion rear surface 20 b of the base member 11 when the lid member 70 is fitted to the end portion of the diffusion cover 13.

  The lid member 70 is made of a light-transmitting resin material in the same manner as the diffusion cover 13. That is, in the LED light source unit 10 according to the present embodiment, light is also emitted from the end face. Furthermore, the lid member 70 only closes the end surface of the diffusion cover 13 and does not play a role of fixing the LED light source unit 10 to the instrument body 80 unlike the cap 201 shown in FIG. Therefore, it is sufficient that the lid member 70 has a strength that does not easily break, and the thickness can be reduced.

  Next, the instrument body 80 will be described mainly with reference to FIGS. The instrument body 80 includes a substantially rectangular base plate 81 and a reflecting plate 82 that covers the base plate 81. On both sides of the base plate 81 in the long side direction, frames 83 extending in the short side direction are fixed. Each frame 83 is provided with two locking holes 84 in which the locking member 40 of the LED light source unit 10 can be locked and unlocked. As shown in FIG. 6, the locking hole 84 is a long hole that is elongated along the extending direction of the frame 83. Further, the frame 83 is provided with a fall prevention means that crosses over the locking hole 84. Specifically, a cantilever hook 85 that crosses over the locking hole 84 from the vicinity of one long side of the locking hole 84 to the vicinity of the other long side is integrally formed. That is, one end (base end) of the hook 85 is continuous with the frame 83, but the other end (tip) is discontinuous with the frame 83. Therefore, a gap 86 through which the locking member 40 can enter and exit exists between the tip of the hook 85 and the frame 83.

  As shown in FIG. 5, the reflecting plate 82 is fixed to the base plate 81 with two decorative screws 87. The reflection plate 82 has a decorative function of reflecting the light emitted from the LED light source unit 10 and covering the frame 83 and the like on the base plate 81. As shown in FIG. 2, the reflection plate 82 is provided with two installation portions 88 capable of arranging two LED light source units 10 in parallel. Each installation portion 88 is formed in a concave shape that is one step lower than the surroundings, and the LED light source unit 10 can be received inside thereof. Further, two openings 89 are formed on the bottom surface of each installation portion 88, and a locking hole 84 formed in the frame 83 is exposed from each opening 89. Further, the power supply connector 90 connected to the power receiving connector 51 on the LED light source unit side is also exposed from the opening 89. However, the opening 89 is covered by the LED light source unit 10 when the LED light source unit 10 is disposed in the installation portion 88.

  Next, a method for attaching / detaching the LED light source unit 10 to / from the instrument body 80 will be described. Here, as described above, the locking member 40 provided in the LED light source unit 10 can be elastically deformed and its width W (FIG. 3) changes. Therefore, in the following description, the width W of the locking member 40 in a normal state where no external force is received is defined as the width Wmax, and the width when the locking member 40 passes through the locking hole 84 (FIG. 2). W is defined as the width Wmin. However, this definition is only a definition for convenience of explanation.

  First, each of the two locking members 40 of the LED light source unit 10 is inserted into the gap 86 between the tip of the hook 85 and the frame 83, and the locking member 40 is hooked on the hook 85 as shown in FIG. As a result, the LED light source unit 10 is hung from the fixture body 80 installed on the ceiling. Next, the power supply connector 90 on the appliance body side and the power receiving connection 51 on the LED light source unit side are connected as shown in FIG. Thereafter, when the LED light source unit 10 is pushed up toward the instrument body 80, the locking member 40 comes into contact with the outer edge of the locking hole 84. At this time, the locking member 40 maintains the width Wmax. When the LED light source unit 10 is further pushed up, the locking member 40 in contact with the outer edge of the locking hole 84 is pressed, and the width W gradually decreases. That is, the distance between the two vertices of the locking member 40 shown in FIG. When the LED light source unit 10 is continuously pushed up, the locking member 40 is further elastically deformed, and the width W reaches the width Wmin. When the width W of the locking member 40 reaches the width Wmin, the locking member 40 passes through the locking hole 84 and enters the inside of the frame 83. At the same time, the width W of the locking member 40 is restored to the width Wmax by its own elastic restoring force. When the width W of the locking member 40 returns to the width Wmax, the locking member 40 is locked to the inner edge of the locking hole 84, and the LED light source unit 10 is fixed to the frame 83 (the instrument body 80). At this time, the LED light source unit 10 and the instrument main body 80 (reflecting plate 82) face each other with almost no gap.

  On the other hand, when the LED light source unit 10 fixed to the fixture body 80 is pulled down with a predetermined force or more, the locking member 40 locked to the inner edge of the locking hole 84 is pressed and elastically deformed, and the width W is reduced from the width Wmax to the width Wmin. When the width W of the locking member 40 is reduced to the width Wmin, the locking member 40 can pass through the locking hole 84, so that the LED light source unit 10 falls due to its own weight. However, since the locking member 40 that has passed through the locking hole 84 is automatically hooked on the hook 85 immediately after that, the LED light source unit 10 stops there and does not fall any further. Therefore, when the LED light source unit 10 is completely removed from the instrument body 80, the locking member 40 is pulled out through the gap 86 between the tip of the hook 85 and the frame 83.

  In addition, the diameter D1 of the diffusion cover 13 shown to Fig.1 (a) is 32 mm, and the diameter D2 is 21 mm. Moreover, the full length of the LED light source unit 10 which concerns on this embodiment is 1220 mm. Moreover, the distance L (FIG. 3) from the end surface of the LED light source unit 10 to the locking member 40 is 150 mm. But the said numerical value is only an example and can be changed suitably.

  The above is the first embodiment of the LED light source unit and the lighting fixture according to the present invention. Here, the edge part of the LED light source unit 10 is obstruct | occluded with the cover member 70 shown in FIG. 4, and the cover member 70 is provided with translucency. Furthermore, the thickness of the lid member 70 can be made extremely thinner than the thickness of the cap in the conventional fluorescent lamp and the cap 201 shown in FIG. 8 (for example, the thickness of the closing portion 71 of the lid member 70 is several mm). Is possible.) Therefore, when the plurality of LED light source units 10 are arranged in a line, a non-light emitting portion does not occur between the adjacent LED light source units 10, and the plurality of LED light source units 10 are as if they were one lamp. Be recognized. The LED light source unit 10 is fixed to the fixture body 80 and the power is supplied from the fixture body 80 to the LED light source unit 10 on the back side of the LED light source unit 10. Therefore, no gap is generated between the fixture body 80 and the LED light source unit 10, and the height (thickness) of the lighting fixture is suppressed.

DESCRIPTION OF SYMBOLS 10 LED light source unit 11 Base member 12 LED module 13 Diffusion cover 20a Mounting surface 20b Back surface 21 Side wall 40 Locking member 51 Power receiving connector 60 Groove 70 Lid member 80 Instrument main body 81 Base plate 82 Reflector plate 84 Locking hole 85 Hook 88 Installation part 89 Opening 90 Feed connector

Claims (9)

  1. An LED light source unit that can be attached to and detached from the body of a lighting fixture,
    An elongated base member having a mounting surface on which LED elements are arranged and a back surface opposite to the mounting surface;
    A semi-cylindrical diffusion cover that covers the mounting surface of the base member and the LED elements arranged on the mounting surface;
    A pair of lid members that respectively close both end faces of the diffusion cover;
    Locking means and power receiving means provided on the back side of the base member,
    The lid member has translucency,
    The locking means locks the LED light source unit to the main body by locking to the main body, and allows the LED light source unit to be detached from the main body by releasing the locking to the main body.
    The LED light source unit, wherein the power receiving means is electrically connected to the main body to enable power supply to the LED element.
  2. The locking means can be repeatedly deformed into a first state having a width that can pass through a locking hole provided in the main body and a second state having a width that cannot pass through the locking hole. Have great elasticity,
    When the LED light source unit is pressed against the main body after the locking means outside the locking hole is brought into contact with the edge of the locking hole, the locking means is moved from the first state. By elastically deforming to the second state, it passes through the locking hole and enters the locking hole, and then returns to the first state,
    When the LED light source unit is pulled away from the main body after the locking means in the locking hole is brought into contact with the edge of the locking hole, the locking means is moved from the first state. 2. The LED according to claim 1, wherein the LED is elastically deformed to the second state, passes through the locking hole, and comes out of the locking hole, and then returns to the first state. Light source unit.
  3.   The LED light source unit according to claim 2, wherein the locking member is made of a metal wire bent in a substantially rhombus shape.
  4. The base member has a pair of side walls raised from the opposing long sides of the back surface,
    The LED light source according to any one of claims 1 to 3, wherein the locking means and the power receiving means are provided on the back surface and between the pair of side walls. unit.
  5.   The LED light source unit according to claim 4, wherein a groove in which an end of the side wall can be fitted is formed in each of the opposing long sides of the diffusion cover.
  6. A lighting fixture having a main body and an LED light source unit detachable from the main body,
    The LED light source unit is
    An elongated base member having a mounting surface on which LED elements are arranged and a back surface opposite to the mounting surface;
    A semi-cylindrical diffusion cover that covers the mounting surface of the base member and the LED elements arranged on the mounting surface;
    A pair of lid members that respectively close both end faces of the diffusion cover;
    Locking means and power receiving means provided on the back side of the base member,
    The body is
    A locking hole in which the locking means of the LED light source unit can be locked and unlocked;
    Power supply means capable of connection and disconnection with the power reception means of the LED light source unit,
    The locking means of the LED light source unit is locked to the locking hole of the main body to fix the LED light source unit to the main body, and the locking to the locking hole is released to release the LED light source. The unit can be removed from the main body,
    The said light receiving means of the said LED light source unit is connected with the said electric power feeding means of the said main body, and enables the electric power supply to the said LED element, The lighting fixture characterized by the above-mentioned.
  7. The main body includes a base plate, a frame fixed to the base plate, and a reflector that covers a surface of the frame and the base plate to which the frame is fixed;
    The locking hole is formed in the frame;
    The lighting apparatus according to claim 6, wherein an opening for exposing the locking hole is formed in the reflecting plate.
  8. The reflector has an elongated installation part in which the LED light source unit is disposed,
    The installation part is formed in a concave shape one step lower than the surroundings,
    The lighting apparatus according to claim 7, wherein the opening is formed on a bottom surface of the installation part.
  9. The main body has a fall prevention means for crossing over the locking hole,
    One end of the fall prevention means is continuous with the main body,
    The other end of the fall prevention means is discontinuous with the main body, and a gap is formed between the main body and the locking means of the LED light source unit. The lighting fixture in any one of thru | or 8.
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JP2015141901A (en) * 2015-03-12 2015-08-03 日立アプライアンス株式会社 Luminaire
JP2015198092A (en) * 2015-06-10 2015-11-09 アイリスオーヤマ株式会社 Led lighting device
JP2016025824A (en) * 2014-07-24 2016-02-08 コイト電工株式会社 Wiring storage structure
JP2016033925A (en) * 2015-11-20 2016-03-10 三菱電機株式会社 Light source device and lighting device
JP2016042483A (en) * 2015-11-20 2016-03-31 三菱電機株式会社 Light source device, and luminaire
JP2016042484A (en) * 2015-11-20 2016-03-31 三菱電機株式会社 Light source device, and luminaire
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JP2016122602A (en) * 2014-12-25 2016-07-07 三菱電機株式会社 Luminaire
JP2016157701A (en) * 2016-04-28 2016-09-01 アイリスオーヤマ株式会社 Led lighting device
JP2016213095A (en) * 2015-05-11 2016-12-15 アイリスオーヤマ株式会社 Spring member and luminaire
JP2016212994A (en) * 2015-04-30 2016-12-15 コイズミ照明株式会社 Lighting apparatus
JP2017084832A (en) * 2017-02-16 2017-05-18 三菱電機株式会社 Luminaire
JP2017224633A (en) * 2017-09-28 2017-12-21 三菱電機株式会社 Lighting fixture
JP2018116937A (en) * 2018-03-27 2018-07-26 三菱電機株式会社 Lighting device

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JP2016025824A (en) * 2014-07-24 2016-02-08 コイト電工株式会社 Wiring storage structure
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JP2016042484A (en) * 2015-11-20 2016-03-31 三菱電機株式会社 Light source device, and luminaire
JP2016033925A (en) * 2015-11-20 2016-03-10 三菱電機株式会社 Light source device and lighting device
JP2016042483A (en) * 2015-11-20 2016-03-31 三菱電機株式会社 Light source device, and luminaire
JP2016105423A (en) * 2016-03-05 2016-06-09 アイリスオーヤマ株式会社 Lighting device
JP2016157701A (en) * 2016-04-28 2016-09-01 アイリスオーヤマ株式会社 Led lighting device
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