JP2009129771A - Planar light-emitting module, and luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a planar light-emitting module capable of improving safety in executing attachment/detachment work of the planar light-emitting module; and to provide a luminaire. <P>SOLUTION: This planar light-emitting module 1 includes an organic EL element 10. The organic EL element 10 includes: a substrate 2; a transparent electrode 3 constituting a positive electrode and having a transparent electrode terminal 32; a metal reflective electrode 5 constituting a negative electrode and having a metal reflective electrode terminal 52; an organic luminescent layer 4; and a sealing layer 6. The substrate 2 includes, on the back surface 2b side, a first opening groove 21 and a second opening groove 22 each having a groove width at a level in which a finger of a hand is prevented from entering therein. The transparent electrode terminal 32 of the transparent electrode 3 is arranged in the first opening grooved 21, and the metal reflective electrode terminal 52 of the metal reflective electrode 5 is arranged in the second opening groove 22. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a planar light emitting module that emits light from an organic light emitting layer and a lighting fixture.

2. Description of the Related Art Conventionally, lighting fixtures that include a planar light emitting module that emits light from an organic light emitting layer are known. For example, two electrodes and an organic light-emitting layer are disposed on the back side of a transparent substrate, and the organic light-emitting layer is sandwiched between the electrodes from both sides and covered with an insulating sealing layer from the back side. Then, by supplying power to the electrode terminals (anode terminal portion and cathode terminal portion) formed so that the edge portions of each of the electrodes are exposed from the sealing layer, the planar light emission that the organic light emitting layer emits light There has been proposed a module (light emitting panel) and a holding member that detachably holds the planar light emitting module so that the workability of attaching and detaching the planar light emitting module can be improved (Patent Literature). 1, see FIG.
JP 2007-250302 A

  However, in the planar light emitting module described in Patent Document 1, the electrode terminals are exposed. Therefore, there is a demand for improving safety when performing the work of attaching and detaching the planar light emitting module in a state where power can be supplied to the electrode terminals.

  An object of this invention is to provide the planar light emitting module and lighting fixture which can improve the safety | security at the time of the operation | work of attachment / detachment of a planar light emitting module.

  In order to solve the above-mentioned problems, the present invention provides a power supply for electrode terminals formed so as to expose edge portions of two electrodes provided on the back side of a substrate having translucency. By doing so, a planar light emitting module including an organic EL element in which an organic light emitting layer disposed between these two electrodes emits light, and an opening groove having a predetermined groove width is formed on the back side of the substrate. The planar light emitting module is provided, wherein the electrode terminal is disposed in the opening groove.

  According to a second aspect of the present invention, it is preferable that the substrate is made of an insulating material, and the opening groove is formed in a side end portion of the substrate so as to dent a part of the back surface of the substrate. .

  According to a third aspect of the present invention, an insulative connecting member connected to the side end of the substrate is provided, and the opening groove is formed so as to dent a part of the back surface of the connecting member. It is preferable.

  According to a fourth aspect of the present invention, there is provided the planar light emitting module according to any one of the first to third aspects, and a lighting fixture main body, and the lighting fixture main body is detachable from the planar light emitting module. A holding part that holds the planar light emitting module, and when the planar light emitting module is inserted into the accommodating part from the outlet, the holding member has a holding part that holds the planar light emitting module. An illumination device comprising: a protrusion that enters and slides into the opening groove; and a power supply terminal that is provided at a protruding tip of the protrusion and contacts the electrode terminal in the opening groove and is connected to be energized. Provide equipment.

  According to the first aspect of the present invention, since the opening groove having a predetermined groove width is provided on the back side of the substrate, and the electrode terminal is put in the opening groove, the planar light emitting module can be used even when power can be supplied to the electrode terminal. The attachment / detachment work can be performed safely, and the safety during the attachment / detachment work of the planar light emitting module can be improved.

  According to the second aspect, since the opening groove is formed in the side end portion of the substrate made of an insulating material so that a part of the back surface is recessed from the back surface, the opening groove is separately formed. Therefore, the number of parts can be prevented from being increased while the opening groove can be easily formed.

  According to the third aspect, since the opening groove is formed in the connecting member so that a part of the back surface of the connecting member is recessed, if the connecting member is connected to the substrate, the opening is formed at the side end portion of the substrate. A groove can be provided, and the opening groove can be easily formed.

  According to the fourth aspect of the present invention, the holding member of the luminaire main body includes a storage portion having a slot, a protrusion that enters and slides into the opening groove of the surface light emitting module, and a protrusion tip of the protrusion within the opening groove. And a power supply terminal that is connected to the electrode terminal so as to be energized, so that the planar light emitting module may be pushed into the holding member from the insertion / removal port so that the ridges are open grooves of the planar light emitting module. The electrode terminal in the opening groove and the power supply terminal can be brought into contact with each other.

  At that time, the ridge slides along the opening groove, and the opening groove is guided to the ridge. Therefore, the operation of storing the planar light emitting module in the storage portion and holding it on the holding member can be facilitated. In addition, since the electrode terminal is placed in the opening groove, it is possible to safely attach and detach the planar light emitting module even when power can be supplied to the electrode terminal. Safety can be improved.

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

  1 is a rear view of the planar light emitting module of the present invention, and FIG. 2 is a cross-sectional view taken along the line II-II of FIG. The planar light emitting module 1 of the present invention includes an organic EL element 10 and a frame (not shown) that holds the outer peripheral side of the organic EL element 10.

  As shown in FIGS. 1 and 2, the organic EL element 10 includes a substrate 2, two electrodes 3, 5, an organic light emitting layer 4, and a sealing layer 6.

  The board | substrate 2 is comprised from the plate-shaped body which has translucency. In this embodiment, it is comprised from the glass-made rectangular thing which has transparent insulation. A first opening groove 21 is provided on one side end side (left side end in the figure) of the back surface 2b side of the substrate 2, and the other side end side (right side end side in the figure) of the back side 2b side of the substrate 2 is provided. ) Is provided with a second opening groove 22.

  These first and second opening grooves 21 and 22 are for accommodating electrode terminals 32 and 52 of electrodes 3 and 5 which will be described later. In this embodiment, the first opening groove 21 and the second opening groove 21 and 22 are provided. The opening groove 22 is formed in the substrate 2 so as to be symmetrical.

  Specifically, the first opening groove 21 and the second opening groove 22 are formed such that the side end portion on the back surface 2b of the substrate 2 has a groove width of about 5 mm and a depth of about 5 mm from the back surface 2b. It is formed in a long groove shape over the entire length from the rear end to the rear end.

  The groove widths of the opening grooves 21 and 22 are not limited to those of about 5 mm, and can be changed as appropriate. For example, by having a groove width that does not allow a finger of a hand to enter, It is more preferable in that the electrode terminals 32 and 52 can be made with little fear of being touched.

  The electrodes 3 and 5 are provided with a plate-like transparent electrode 3 constituting an anode and a plate-like metal reflective electrode 5 constituting a cathode. The transparent electrode 3 includes a transparent electrode body 31 and a transparent electrode terminal (electrode terminal) 32. The transparent electrode main body 31 is disposed between the substrate 2 and the organic light emitting layer 4.

  The transparent electrode terminal 32 extends from the one side end side (left end side in the drawing) to the left side of the transparent electrode main body 31. The transparent electrode terminal 32 is arranged at the bottom in the first opening groove 21 so as to be bent.

  The metal reflective electrode 5 includes a metal reflective electrode body 51 and a metal reflective electrode terminal (electrode terminal) 52. The metal reflective electrode main body 51 is disposed on the back side of the substrate 2b, and is configured such that the metal reflective electrode main body 51 and the transparent electrode main body 31 sandwich the substrate 2.

  The metal reflective electrode terminal 52 extends from the other side end side (right end side in the figure) to the right side of the metal reflective electrode main body 51. The metal reflective electrode terminal 52 is disposed at the bottom in the second opening groove 22 so as to be bent.

  The organic light emitting layer 4 is made of a light-transmitting conductive material such as indium tin oxide (ITO), and emits light when energized in the thickness direction, for example.

  The organic light emitting layer 4 is disposed between the transparent electrode main body 31 and the metal reflective electrode main body 51 so as to cover the entire back surface of the transparent electrode main body 31 of the transparent electrode 3 as described above. ing.

  The sealing layer 6 is made of an insulating material such as a silicone resin. The sealing layer 6 covers the back and side surfaces of the metal reflective electrode main body 51 and the side surfaces of the organic light emitting layer 4, and hermetically seals the organic light emitting layer 4 with the substrate 2. The electrode body 51 and the like are protected.

  In the above embodiment, the opening grooves 21 and 22 are formed so that a part of the substrate 2 is recessed. However, the present invention is not limited to this embodiment and can be changed as appropriate. For example, the opening grooves 121 and 122 in which the electrode terminals 32 and 52 are accommodated may be formed by the connecting members 71 connected to both end portions of the substrate 2.

  More specifically, as shown in FIG. 3, each of the connecting members 71 includes a groove-like fitting portion 72 that fits an end portion of the substrate 2 and a protruding wall 73 on one side surface. Then, by fitting the side end portion of the substrate 2 to the fitting portion 72 of the connection member 71, the connection member 71 is connected to the side end portion of the substrate 2, and from the back surface of the substrate 2 at the protruding wall 73. The projecting wall 73 and the outer periphery of the sealing layer 6 are formed with opening grooves 121 and 122 for accommodating the electrode terminals 32 and 52 therebetween. ing.

  In this way, if the connecting member 71 having the protruding wall 73 is connected to the substrate 2, the opening grooves 121 and 122 can be formed between the protruding wall 73 and the outer periphery of the sealing layer 6. The formation of 122 can be facilitated.

  Moreover, when using a connection member, the connection member 271 which has the opening grooves 221 and 222 can also be used, and can be changed suitably. For example, as shown in FIG. 4A, each of the connecting members 271 includes a groove-like fitting portion 272 that fits the end portion of the substrate 2 on one side surface, and on the back side, Opening grooves 221 and 222 formed so as to be partially recessed from the back surface are provided.

  The opening grooves 221 and 222 accommodate connectors 232b and 252b that constitute part of the electrode terminals 232 and 252, respectively. Specifically, the electrode terminals 232 and 252 include electrode terminal bodies 232a and 252a, and connectors 232b and 252b that are connected to the electrode terminal bodies 232a and 252a so as to be energized and housed in the opening grooves 221 and 222, respectively. .

  Then, by fitting the side end portion of the substrate 2 to the fitting portion 272 of the connection member 271, the connection member 271 is connected to the side end portion of the substrate 2, and the electrode terminal bodies 232a and 252a and the connector 232b are connected. , 252b.

  Even if it comprises in this way, if the connection member 271 is connected with the board | substrate 2, the opening grooves 221 and 222 can be arrange | positioned in the side edge part of the board | substrate 2, and formation of the opening grooves 221 and 222 can be made easy. .

  In the case where the opening grooves 221 and 222 are provided in the connecting member 271, the present invention is not limited to the configuration in which the connectors 232 b and 252 b are accommodated in the opening grooves 221 and 222 as described above, but for example as shown in FIG. In addition, the electrode terminal 252 may be directly accommodated, and can be changed as appropriate.

  Next, the lighting fixture 300 of this invention is demonstrated. As shown in FIGS. 5 to 8, the lighting fixture 300 includes a lighting fixture main body 301 and a planar light emitting module 1. The planar light emitting module 1 has the same configuration as that shown in FIGS.

  The luminaire main body 301 includes a holding member 302 that detachably holds the planar light emitting module 1 and a power supply unit (not shown). As shown in FIG. 7, the holding member 302 is disposed on the back side of the front frame piece 321 with a pair of front and rear front frame pieces 321 arranged on the front side and a predetermined distance from the front frame piece 321. A pair of left and right back frame pieces 322 and left and right side frame pieces 323 are provided and formed into a substantially rectangular parallelepiped frame body.

  In addition, a storage portion 324 for storing the planar light emitting module 1 is defined by these frame pieces. The storage unit 324 includes a loading / unloading port 325 for loading and unloading the planar light emitting module 1 on the front end side.

  Each back frame piece 322 of the holding member 302 is provided with a protrusion 326 that protrudes toward the front frame piece 321 side. The protrusions 326 are slid into the opening grooves 221 and 222 of the planar light emitting module 1 and are formed along the front-rear direction so as to be able to fit into the opening grooves 221 and 222.

  In addition, a power supply terminal 327 connected to a power supply unit (not shown) via a power supply line 327a is provided at the protruding tip of the protrusion 326. The power supply terminal 327 can be connected to the electrode terminals 232 and 252 in the opening grooves 221 and 222 so as to be energized when the protrusion 326 is fitted into the opening grooves 221 and 222 of the planar light emitting module 1. Is set to

  In addition, an attachment having a shaft fitting insertion hole 331a for rotatably attaching to a housing 340 fixed to a ceiling wall H as a wall surface is provided on the rear side of the back frame piece 322 opposite to the insertion / exit opening 325. A portion 331 is provided. Then, as shown in FIG. 5, the holding member 302 is attached to the housing 340 by the support shaft 341 provided in the housing 340 being rotatably passed through the shaft fitting insertion hole 331 a of the attachment portion 331. The entrance / exit 325 is rotatable with respect to the ceiling wall H.

  Further, on the front side of the back frame piece 322 on the back side, there is provided a locking piece 332 having elasticity as a locking means that is detachably locked to the housing 340. Then, as shown in FIG. 5, the retaining piece 332 is engaged with the elastic engaging protrusion 342 provided on the housing 340, so that the holding member 302 becomes substantially horizontal. It is locked in a state where it enters the housing 340.

  Further, by releasing the locking, as shown in FIG. 6, the front side of the holding member 302 on the side of the loading / unloading port 325 rotates so that the holding member 302 becomes almost vertical and the loading / unloading port 325 faces downward. It becomes a state.

  When the planar light emitting module 1 is stored in the storage portion 324 of the holding member 302 configured as described above, for example, the locking piece 332 of the holding member 302 is unlocked from the locking protrusion 342 of the housing 340. In the state shown in FIG. 6, the planar light emitting module 1 is pushed into the housing portion 324 from the loading / unloading port 325.

  At that time, since the protrusion 326 fits into the opening grooves 221 and 222 of the planar light emitting module 1 and slides, it can be easily pushed in. Further, in a state where the planar light emitting module 1 is pushed into the storage portion 324, the power supply terminal 327 of the holding member 302 and the electrode terminals 232 and 252 of the planar light emitting module 1 can contact and be energized as shown in FIG. Connect to.

  Further, since the opening grooves 21 and 22 (see FIG. 2) of the planar light emitting module 1 have a groove width that does not allow a finger of a hand to enter, for example, power can be supplied from the power supply terminal 327 of the holding member 302 by mistake. Even if the planar light emitting module is handled in the state, it can be performed safely, and the safety at the time of attaching / detaching the planar light emitting module can be improved.

  Then, after the planar light emitting module 1 is stored in the storage portion 324 of the holding member 302, the holding member 302 is rotated to lock the holding member 302 on the locking protrusion 342 of the housing 340 as shown in FIG. 5. The piece 332 is locked by being pressed. Thereby, the lighting fixture 300 equipped with the planar light emitting module 1 can be attached to the ceiling wall H.

  From this state, power is supplied from the power supply unit of the lighting fixture 300 to the transparent electrode terminal 32 of the transparent electrode 3 and the metal reflective electrode terminal 52 of the metal reflective electrode 5 in the planar light emitting module 1 through the power supply terminal 327 of the holding member 302. By doing so, the organic light emitting layer 4 emits light and is irradiated from the surface 2a side of the substrate 2.

  In the above embodiment, the holding member 302 is attached to the ceiling wall H via the housing 340. However, the holding member 302 may be directly attached to the ceiling wall H, for example. The wall surface to which the holding member 302 is attached is not limited to the ceiling wall, and may be a side wall or the like, and can be changed as appropriate.

  Moreover, in the said embodiment, although the planar light emitting module 1 is hold | maintained at the holding member 302, it is not restricted to this form, For example, you may make it attach directly to wall surfaces, such as a ceiling wall. Further, when the holding member 302 is held, the holding member 302 is not limited to the above, and can be appropriately changed.

It is a schematic rear view of one embodiment of the planar light emitting module of the present invention. It is an expanded sectional view of the II-II line of FIG. It is sectional drawing of other embodiment of a planar light emitting module. FIG. 4A is a cross-sectional view of still another embodiment of the planar light emitting module, and FIG. 4B is a cross-sectional view of a main part of still another embodiment of the planar light emitting module. It is the schematic of the lighting fixture of this invention. It is explanatory drawing at the time of holding a planar light emitting module in a holding member. It is a perspective view of a holding member. It is sectional drawing of the state by which the planar light emitting module was hold | maintained at the holding member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Planar light emitting module 2 Board | substrate 3 Transparent electrode 4 Organic light emitting layer 5 Metal reflective electrode 6 Sealing layer 21 1st opening groove 22 2nd opening groove 32 Transparent electrode terminal (electrode terminal)
52 Metal reflective electrode terminal (electrode terminal)
DESCRIPTION OF SYMBOLS 300 Lighting fixture 302 Holding member 324 Storage part 325 Entrance / exit

Claims (4)

Organic light emission disposed between the two electrodes by supplying power to the electrode terminals formed so as to expose the end edges of the two electrodes provided on the back side of the substrate having translucency. A planar light-emitting module having an organic EL element whose layer emits light,
An opening groove having a predetermined groove width is provided on the back side of the substrate,
The planar light-emitting module, wherein the electrode terminal is disposed in the opening groove. The substrate is made of an insulating material,
The planar light emitting module according to claim 1, wherein the opening groove is formed in a side end portion of the substrate so that a part of a back surface of the substrate is recessed. An insulative connecting member connected to a side end of the substrate is provided;
The planar light emitting module according to claim 1, wherein the opening groove is formed so as to dent a part of a back surface of the connecting member. The planar light emitting module according to any one of claims 1 to 3, and a lighting fixture body,
The lighting fixture body includes a holding member that detachably holds the planar light emitting module,
The holding member slides in an opening groove of the surface light emitting module when the surface light emitting module is inserted into the housing portion from the insertion port, and a storage portion having an insertion / removal port for storing the surface light emitting module. An illumination fixture comprising: a protrusion; and a power supply terminal that is provided at a protruding tip of the protrusion and contacts the electrode terminal in the opening groove and is connected to be energized.

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