JP2007220597A - Luminescent panel type luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminescent panel type luminaire allowing a luminescent panel to be simply attached thereto without increasing the size of a recessed part. <P>SOLUTION: This luminescent panel type luminaire 10 is provided with: the luminescent panel 1 for emitting light from a surface 1a; a housing 2 having the recessed part 21 for inserting and mounting the luminescent panel 1 therein; and guide grooves 23 engaging with the luminescent panel 1 inserted in the recessed part 21 to guide the luminescent panel 1 to a mounting position. The guide grooves 23 are formed to extend in an oblique direction with respect to an opening direction of the recessed part 21. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lighting fixture using a light emitting panel.

Conventionally, it is known that a light-emitting panel using organic EL (Electro Luminescence) or inorganic EL is used as a backlight of a liquid crystal display device (see, for example, Patent Document 1). The light-emitting panel is disposed on the back side of the liquid crystal display panel, and can be inserted and removed in a direction parallel to the back side along the back side of the liquid crystal display panel.
Japanese Utility Model Publication No. 04-130926

  In recent years, it has been attempted to use the light-emitting panel as a light source of a lighting fixture. For example, when a light-emitting panel is used in a wall-mounted lighting fixture such as a downlight or a footlamp, it is conceivable that the light-emitting panel is inserted from the front into a recess of a housing attached to the wall surface.

  However, when the light emitting panel is inserted into the concave portion from the front side, the concave portion is blocked by the light emitting panel itself, so that the user cannot visually recognize the inside of the concave portion, and it may be difficult to attach the light emitting panel. In particular, in the case of a foot lamp, workability is further deteriorated because the mounting position is low.

  Here, in order to be able to easily attach the light emitting panel, it is conceivable to increase the size of the recess itself, but if this is done, a large gap is generated between the recess and the light emitting panel. It is not preferable in appearance.

  In view of such circumstances, an object of the present invention is to provide a light-emitting panel type luminaire in which a light-emitting panel can be easily mounted without increasing the size of a recess.

  In order to solve the above-mentioned problems, a light-emitting panel type lighting fixture according to the present invention includes a light-emitting panel that emits light from the surface, a housing having a recess into which the light-emitting panel is inserted, and the light-emitting panel is inserted into the recess. A guide portion that engages with the light-emitting panel and guides the light-emitting panel to the mounting position, and the guide portion is provided so as to extend obliquely with respect to the opening direction of the recess. It is characterized by.

  In order to more easily attach the light emitting panel and to obtain a good appearance, the guide portion is a guide groove provided on both inner side surfaces of the concave portion so as to open to the opening peripheral edge portion of the concave portion, It is preferable that a decorative panel for covering the opening of the guide groove is attached to the housing.

  According to the present invention, since the guide portion for guiding the light emitting panel inserted into the recess to the mounting position is provided so as to extend obliquely with respect to the opening direction of the recess, the light emitting panel is inserted into the recess. When this is done, it is only necessary to insert the light emitting panel obliquely along the extending direction of the guide portion, so that the light emitting panel can be engaged with the guide portion while visually recognizing the guide portion. Therefore, the light emitting panel can be easily mounted without increasing the size of the recess. In particular, when the light-emitting panel type luminaire is used as a foot lamp, the light-emitting panel can be inserted from above into the recess of the housing located at the foot, and the workability is significantly improved compared to the case of inserting from the front. .

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1 and 2, a light-emitting panel lighting device 10 according to an embodiment of the present invention is used as a foot lamp that illuminates a floor surface 5, and is a plate that emits light from a surface 1 a. A light emitting panel 1, a housing 2 for housing the light emitting panel 1, and a decorative panel 3 attached to the housing 2. In addition, the light emission panel type lighting fixture of this invention is not restricted to what is used as a foot lamp, For example, it may be used as a downlight etc.

  The light-emitting panel 1 uses an organic EL and has a square shape in plan view. Specifically, as shown in FIG. 3, the light-emitting panel 1 includes an organic EL including a substrate 11 and a first electrode layer 12, an organic light-emitting layer 13, and a second electrode layer 14 stacked on the upper surface of the substrate 11. And a first sealing member 15 and a second sealing member 16. That is, the lower surface of the substrate 11 constitutes the front surface 1 a of the light emitting panel 1, and the upper surface of the second sealing member 16 constitutes the back surface 1 b of the light emitting panel 1.

  The substrate 11 is a flat member for supporting the organic EL layer, and is made of a material transparent to the wavelength of light emitted from the organic light emitting layer 13, such as glass.

  The first electrode layer 12 is a conductive thin film made of a material transparent to the wavelength of light emitted from the organic light emitting layer 13 and serves as an anode. The first electrode layer 12 is formed of, for example, ITO (Indium Tin Oxide) or the like because the organic light emitting layer 13 emits visible light. A portion of the first electrode layer 12 is drawn out so as to be exposed from the first sealing member 15 on one end side of the substrate 11 to form an anode terminal portion 121.

The organic light emitting layer 13 includes at least a light emitting layer made of an organic material of a fluorescent material or an organic material containing a fluorescent material, and if necessary, a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection. Provide layers. More specifically, when the first electrode layer 12 and the second electrode layer 14 are also described, for example, the following layer structure is provided.
(1) (first electrode layer 12; anode) / light emitting layer / (second electrode layer 14; cathode)
(2) (first electrode layer 12; anode) / hole transport layer / light emitting layer / (second electrode layer 14; cathode)
(3) (first electrode layer 12; anode) / light emitting layer / electron transport layer / (second electrode layer 14; cathode)
(4) (first electrode layer 12; anode) / hole transport layer / light emitting layer / electron transport layer / (second electrode layer 14; cathode)
(5) (first electrode layer 12; anode) / hole injection layer / hole transport layer / light emitting layer / electron transport layer / electron injection layer / (second electrode layer 14; cathode)
The second electrode layer 14 is a conductive thin film made of a material that reflects light having a wavelength emitted from the organic light emitting layer 13 and serves as a cathode. The second electrode layer 14 is formed of, for example, a metal or an alloy such as aluminum (Al), aluminum lithium (Al: Li), and magnesium silver (Mg: Ag). A part of the second electrode layer 14 is drawn out so as to be exposed from the first sealing member 15 on the other end side facing the one end side of the substrate 11 to form a cathode terminal portion 141.

  The first sealing member 15 and the second sealing member 16 are insulating members for hermetically sealing the organic light emitting layer 13 in cooperation with the substrate 11. For example, a resin-made first sealing member 15 having adhesiveness is applied so as to cover the first electrode layer 12 excluding the anode terminal portion 121, the organic light emitting layer 13, and the second electrode layer 14 excluding the cathode terminal portion 141. For example, the second sealing member 16 made of, for example, a glass plate member is placed on the second electrode layer 14 via the first sealing member 15 and pressure is applied thereto, whereby the second sealing member 16 is applied. Is bonded to the second electrode layer 14 by the first sealing member 15, and the peripheral edge portion of the second sealing member 16 is hermetically bonded and bonded to the substrate 11 by the first sealing member 15. Accordingly, the first sealing member 15 and the second sealing member 16 cooperate with the substrate 11 to hermetically seal the organic light emitting layer 13.

  A base 17 is provided on the upper surface of the second sealing member 16, that is, on the back surface 1 b of the light emitting panel 1. The base 17 is electrically connected to the anode terminal portion 121 and the cathode terminal portion 141 by conductive wires 17a and 17b arranged on the back surface 1b.

  The housing 2 is attached to the wall surface 4 perpendicular to the floor surface 5, and has a recess 21 that opens forward (right side in FIG. 1) to which the light emitting panel 1 is inserted and attached, and an opening periphery of the recess 21. And a flange portion 22 that spreads outward from the portion. The housing 2 is made of, for example, a steel plate or a synthetic resin.

  The recessed part 21 has comprised the rectangular parallelepiped container shape used as the rectangular shape extended in the left-right direction by front view. The dimension between the inner side surfaces 21 a of the recess 21 is set smaller than the width dimension of the light emitting panel 1.

  Further, guide grooves (guide portions) 23 extending obliquely upward with respect to the opening direction (front) of the recess 21 are provided on both inner side surfaces 21 a of the recess 21. The angle formed by the extending direction of the guide groove 23 and the opening direction of the recess 21 is approximately 60 degrees in a side view.

  The guide grooves 23 are for engaging the left and right ends of the light-emitting panel 1 inserted into the recess 21 to guide the light-emitting panel 1 to the mounting position. The guide grooves 23 open at the opening peripheral edge of the recess 21. In other words, it is provided so as to cut out the flange 22. That is, the opening 23 a of the guide groove 23 constitutes an insertion port for inserting the light emitting panel 1 into the recess 21. The bottom surface 23b of the guide groove 23 serves as a stopper for stopping the light emitting panel 1. The light emitting panel 1 inserted into the recess 21 while being guided from the opening 23a and guided by the guide groove 23 is formed on the bottom surface 23b. By abutting, it stops at the mounting position and is held in the guide groove 23 in that state.

  Further, a socket 24 is provided on the bottom surface of the recess 21 to be connected to the base 17 of the light-emitting panel 1 when the light-emitting panel 1 is inserted into the recess 21 and positioned at the mounting position. The socket 24 and the base 17 are connected by simply inserting the light guide panel 23 along the guide groove 23 to supply power to the light emitting panel 1.

  The decorative panel 3 has a horizontally long rectangular shape that is slightly larger than the collar portion 22 of the housing 2 in a front view. As shown in FIG. 4, a recess portion 31 into which the collar portion 22 can be fitted is provided on the back surface side of the decorative panel 3, and the decorative panel 3 is housed by fitting the recess portion 31 into the collar portion 22. It can be attached to the body 2.

  In addition, a window 32 having a size approximately the same as the size of the recess 21 is provided in the center of the decorative panel 3. For this reason, when the decorative panel 3 is attached to the housing 2, the opening 23 a of the guide groove 23 is covered with the decorative panel 3. The window 32 may be fitted with a transparent member such as glass.

  In the light emitting panel type lighting fixture 10 of the present embodiment, the guide groove 23 that guides the light emitting panel 1 inserted into the recess 21 to the mounting position extends obliquely upward with respect to the opening direction of the recess 21. Thus, when the light emitting panel 1 is inserted into the recess 21, the light emitting panel 1 may be inserted obliquely along the extending direction of the guide groove 23 as shown in FIG. Can be engaged with the guide groove 23. Therefore, the light emitting panel 1 can be easily mounted without increasing the size of the recess 21. In particular, since the light-emitting panel type lighting fixture 10 of the present embodiment is used as a foot lamp, the light-emitting panel 1 can be inserted from above into the recess 21 of the housing 2 located at the foot, and is inserted from the front. Workability is significantly improved.

  Further, since the guide groove 23 is inclined, the light emitting panel 1 emits light obliquely downward when the light emitting panel 1 is mounted. Can be disposed at a higher position, and the workability of mounting can be further improved.

  Further, since the guide groove 23 is provided so as to open at the peripheral edge of the opening of the recess 21, the user can recognize at a glance the opening 23 a where the light emitting panel 1 is inserted, and the light emitting panel 1 can be removed. It will be easier to install. And since the decorative panel 3 which covers the opening 23a of the guide groove 23 was attached, a favorable external appearance can be obtained.

  In the above embodiment, the left and right ends of the light emitting panel 1 are directly engaged with the guide grooves 23. However, as shown in FIG. A protective member 6 having a substantially U-shaped cross section made of synthetic resin or the like may be attached, and the left and right ends of the light emitting panel 1 may be engaged with the guide groove 23 via the protective member 6. In this way, the light emitting panel 1 can be prevented from being damaged.

  Alternatively, as shown in FIG. 5B, a light emitting panel 1 is formed by bonding a support substrate 18 made of a synthetic resin having a width larger than that of the substrate 11 to the upper surface of the second sealing member 16. The left and right ends of the substrate 18 may be engaged with the guide grooves 23.

  Further, as shown in FIG. 5C, a relatively thick support substrate 18 is joined to the upper surface of the second sealing member 16, and a concave groove 18 a is provided on the end surface of the support substrate 18. By providing, on both inner side surfaces 21a of the concave portion 21, a protruding portion 23 'that protrudes from the inner surface 21a so as to be engageable with the groove 18a and extends obliquely in a side view. It is also possible to use 23 ′ as the guide portion of the present invention.

  Moreover, in the said embodiment, although the light emission panel 1 utilized organic EL, the light emission panel 1 may utilize inorganic EL.

It is a side view when the light emission panel type lighting fixture which concerns on one Embodiment of this invention is attached to the wall surface. It is a disassembled perspective view of a light emission panel type lighting fixture. (A) is a top view of a light emission panel, (b) is the sectional view on the AA line of (a). It is decomposition | disassembly side sectional drawing of a light emission panel type lighting fixture. (A) And (b) is a partially expanded sectional view of the light emission panel of a modification, (c) is a partially expanded sectional view of the inner surface of the light emission panel of a modification, and a recessed part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Light emission panel 1a Surface 2 Case 21 Recessed part 21a Inner side surface 23 Guide groove (guide part)
23a opening 23 'protrusion (guide part)
3 decorative panel 4 wall surface 10 light-emitting panel type lighting fixture

Claims (2)

A light-emitting panel that emits light from the surface, a housing having a recess into which the light-emitting panel is inserted and attached, and a light-emitting panel that is inserted into the recess to engage the light-emitting panel to guide the mounting position With a guide part,
The light emitting panel type lighting device, wherein the guide portion is provided so as to extend in an oblique direction with respect to a direction in which the concave portion is opened. The guide portion is a guide groove provided on both inner side surfaces of the recess so as to open to the opening peripheral edge of the recess.
The light emitting panel lighting device according to claim 1, wherein a decorative panel that covers an opening of the guide groove is attached to the housing.

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