JP2014182896A - Illumination device - Google Patents

Abstract

In a lighting device, a light source unit can be easily attached to an arbitrary position of a base unit holding the light source unit, and power supply between them can be secured.
A lighting device includes a flat light source unit and a base unit having a power supply unit that supplies power to the light source unit. The light source unit 2 is electrically connected to the flat light emitting panel 21, the module case 22, attachment claws (holding units 24) provided on both edges of the mounting surface 2 </ b> A of the module case 22, and the power supply unit 32. Power supply terminal 25. The base portion 3 has a rail portion 34 that engages with the holding portion 24. The power feeding part 32 has a rail shape along the longitudinal direction of the base part 3 and is detachable. According to this configuration, the light source unit 2 can be easily attached to the base unit 3 by engaging with an arbitrary position along the longitudinal direction of the rail units 33 and 34, and the power supply unit 32 has a rail shape. The power supply can be secured even at the position.
[Selection] Figure 1

Description

  The present invention relates to an illumination device using an organic EL element as a light source.

  The organic EL element can emit light with high luminance at a low voltage, can obtain various emission colors depending on the kind of the organic compound contained, and can be easily manufactured as a flat light-emitting panel. Therefore, in recent years, attention has been paid to using an organic EL element as a light source of an illumination device.

  As this type, there is a luminaire including a flat light source unit using an organic EL element as a light source, and a substrate (base unit) that supplies power to the light source unit and supports the light source unit (for example, a patent) Reference 1). According to this luminaire, since the base portion is provided with a plurality of power feeding portions on the surface facing the light source portion, a large surface light emission can be obtained by arranging a plurality of light source portions in a matrix on the base portion. You can get a body.

  By the way, each organic layer including the light emitting layer of the organic EL element is produced by vapor deposition of an organic material or the like, and the size of the light emitting layer can be arbitrarily set. In general, in the manufacture of an organic EL element, in-line deposition is used in which an organic material is deposited on a substrate while the substrate is sequentially transported onto a crucible for evaporating the organic material. In-line deposition can be performed continuously in the direction along the substrate transport direction, and therefore, a plurality of types of organic EL elements having a constant light emitting layer width and different lengths can be manufactured.

JP 2012-104504 A

  However, the organic EL element has a predetermined light emission lifetime, and the light source unit in which the organic EL element is incorporated needs to be replaced every predetermined period. However, the lighting fixture described in Patent Document 1 is not supposed to attach or detach the light source unit. Since replacement of the light source unit is performed by the user, it is desirable that the light source unit be configured to be easily detachable from the base unit at an arbitrary position. Moreover, when attaching a light source part to a base part, the electric power feeding between them can be ensured easily, and also it must respond to the multiple types of light source part incorporating the organic EL element from which length differs.

  The present invention solves the above-described problem, and provides a lighting device in which a light source unit can be easily attached to an arbitrary position of a base unit that holds the light source unit and power can be secured between them. The purpose is to provide.

  The illuminating device of the present invention is an illuminating device including a light source unit and a base unit having a power supply unit for supplying power to the light source unit, wherein the light source unit includes a flat light-emitting panel and the light emitting unit. A module case for housing the panel; mounting claws provided at both edges of the mounting surface of the module case facing the base portion and for mounting the module case to the base portion; provided to be orthogonal to the mounting surface A power supply terminal that is electrically connected to the power supply portion, and the base portion is provided on a long plate-like flat surface portion and both edges of the flat surface portion and engages with the attachment claws. And a pair of rail parts, wherein the power feeding part has a rail shape along a longitudinal direction of the flat part, and is detachable from the flat part.

  In the lighting device, it is preferable that the power supply unit includes a conductive member connected to the power supply terminal and a power supply unit case that protects the conductive member and into which the power supply terminal is inserted.

  In the illuminating device, it is preferable that the planar portion has a plurality of holding pieces that are cut and raised from the planar portion toward the light source unit to hold the power feeding unit case.

  In the lighting device, it is preferable that the base portion includes a power supply terminal block that covers an end portion of the conductive member in the longitudinal direction and fixes the power supply portion case to the flat portion.

  In the illumination device, the power supply terminal block preferably has a wiring insertion hole.

  According to the present invention, the attachment claw of the light source part can be engaged with an arbitrary position along the longitudinal direction of the rail part, and the light source part can be easily attached to the base part. Further, since the power feeding unit is rail-shaped, power feeding from the base unit to the light source unit can be ensured at any position.

The disassembled perspective view of the illuminating device which concerns on one Embodiment of this invention. (A) is the disassembled perspective view seen from the angle different from FIG. 1, (b) is a perspective view which shows the structure which attached the electric power feeding part to the base part of the same illuminating device. (A) (b) is a perspective view which shows the variation of the light source part which comprises the illuminating device. The perspective view of the illumination device. The circuit diagram of the illuminating device. The expansion perspective view of the electric power feeding terminal block and electric power feeding part of the lighting device. The partial expansion perspective view of the light source part and base part which comprise the illumination device. The partial sectional view which shows one procedure which attaches a light source part to a base part in the same illuminating device. The perspective view for demonstrating the structural example which does not use an electric power feeding part in the same illuminating device.

  A lighting device according to a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the illumination device 1 according to the present embodiment includes a light source unit 2 and a base unit 3 that supplies power to the light source unit 2 and holds the light source unit 2. The base portion 3 has an elongated shape, and has one surface as an attachment surface, and is fixed to a ceiling or wall to which the light source portion is attached via this attachment surface. The base part 3 is formed so that the length of the long side is longer than the length of the edge part of the light source part 2, and can hold a plurality of light source parts 2.

  The light source unit 2 includes a flat light emitting panel 21 and a module case 22 that houses the light emitting panel 21. The light source unit 2 has a pair of mounting claws formed on the mounting surface 2 </ b> A of the module case 22 facing the base unit 3. One mounting claw (hereinafter referred to as an engaging portion 23) is provided at one edge of the module case 22 to engage the module case 22 with the base portion 3. The other mounting claw (hereinafter referred to as the holding portion 24) is provided on the other edge portion facing the engaging portion 23 on the mounting surface 2A, and the module case is engaged with the engaging portion 23 with the base portion 3. 22 is detachably held on the base 3. In this example, at least one of the engaging portion 23 and the holding portion 24, the holding portion 24 is slidable with respect to the module case 22 and is urged in a direction opposite to the engaging portion 23 that faces the module case 22. Further, the light source unit 2 includes a plurality of power supply terminals 25 erected from the mounting surface 2A. These power supply terminals 25 (a pair in the illustrated example) are arranged on a straight line connecting the engaging portion 23 and the holding portion 24. These power supply terminals 25 are electrically connected to the light emitting panel 21 via a wiring board, wires, and the like.

  The base part 3 includes a long plate-like flat part 31, a power supply part 32 that is formed in the center of the flat part 31 along the longitudinal direction of the base part 3 and supplies power to the light source part 2, and both the flat part 31. A pair of rail portions 33 and 34 bent at the edges. The power supply unit 32 includes a plurality of conductive members 32a connected to the respective power supply terminals 25, and a power supply unit case 32b that protects these conductive members 32a and into which the power supply terminals 25 of the light source unit 2 are inserted.

  The rail portions 33 and 34 are bent so that the side surfaces perpendicular to the longitudinal direction are L-shaped with respect to the flat surface portion 31 and the tip of the rail portions 33 and 34 is inwardly convex V-shape. . Therefore, the standing portion with respect to the flat surface portion 31 is recessed with respect to the V-shaped portion, and one of the recessed edges functions as an engaged portion that engages with the engaging portion 23 of the light source unit 2. The other functions as a held portion that engages with the holding portion 24 of the light source portion 2.

  As shown in FIG. 2, the flat surface portion 31 of the base portion 3 includes a plurality of holding pieces 35 that are erected on the flat surface portion 31 and hold the power feeding portion case 32 b. The holding piece 35 is formed by cutting and raising the plate material of the flat surface portion 31 toward the light source portion 2 side. Specifically, the holding piece 35 is formed with two opposite sides at the same interval as the width of the power supply case 32b, and is further bent in the direction in which the tips face each other. (See also FIG. 8 to be described later). Therefore, the power feeding part 32 can be attached to and detached from the flat surface part 31 of the base part 3 by inserting the power feeding part 32 into the holding piece 35 at the longitudinal end of the base part 3 and sliding it. Can be attached.

  In addition, the base portion 3 includes a power supply terminal block 36 that covers the end portion of the conductive member 32 a in the longitudinal direction and fixes the power supply portion case 32 b to the flat portion 31. The power supply terminal block 36 includes a holding portion 36a into which the end of the power supply portion 32 is fitted, a pair of fixing pieces 36b that are provided at both ends of the holding portion 36a and abut against the flat portion 31, and are perpendicular to the fixing pieces 36b. And a protrusion 36c that is fixed to the flat surface portion 31. A hole 37 into which the protrusion 36 c is inserted is formed at the end of the base portion 3. By using this power supply terminal block 36, the power supply part 32 can be prevented from moving in the longitudinal direction of the base part 3, and the power supply part 32 can be stably fixed. In addition, the power feeding part 32 may be cut according to the length of the base part 3, and the power feeding terminal block 36 also has a function of protecting such a cut end part. The end of the power supply portion 32 opposite to the end where the power supply terminal portion 36 is disposed is held by an end piece 38 formed by bending the flat portion 31 of the base portion 3.

  As shown in FIGS. 3A and 3B, the light source unit 2 may have a plurality of shapes having different sizes. In the light source unit 2 shown in FIG. 3A, the size of the light emitting surface of the light source unit 2 shown in FIG. In addition, the light emission surface said here refers to the magnitude | size of the opening surface 22a of the module case 22 which radiate | emits the light from the light emission panel 21 substantially. The light source unit 2 having the smallest size has a square rectangular shape, and the length of the long light source unit 2 is an integral multiple of one side of the square light source unit 2. Moreover, the length of the longitudinal direction of the base part 3 is set to be an integral multiple of one side of the square light source part 2 so that these can be held. A large size (long one) of the light source unit 2 can reduce the unit price per light emitting surface, while the replacement cost due to partial breakage or the like increases.

  As shown in FIG. 4, the base part 3 includes a square rectangular light source part 2a, a light source part 2b whose length in the longitudinal direction is twice that of the light source part 2a, and a light source part four times that of the light source part 2a. A plurality of light source units 2 having different sizes such as 2c can be simultaneously held. Here, as illustrated, the lengths of the sides along the longitudinal direction of the light source units 2a, 2b, and 2c are 75 mm, 150 mm, and 300 mm, respectively. Further, each of the light source parts 2a, 2b, 2c has a length along the short side direction of the base part 3 (hereinafter referred to as a side along the short side) of 75 mm when mounted on the base part 3. Is done. Moreover, the length of the base part 3 in the longitudinal direction is set to, for example, 525 mm (75 mm + 150 mm + 300 mm) which is equal to the total length of the sides along the longitudinal direction of the light source parts 2a, 2b, 2c. Thereby, light source part 2a, 2b, 2c can be arrange | positioned without a gap over the longitudinal direction full length of the base part 3. FIG. On the other hand, the length of the base part 3 in the short direction is set to 75 mm which is equal to the length of the side along the short direction of the light source parts 2a, 2b and 2c. In addition, the some light source part 2 may be arrange | positioned with a clearance gap, and can be arrange | positioned in the arbitrary positions of the base part 3. FIG. In addition, when the plurality of light source units 2 are arranged at a certain interval, a dummy case (not shown) having the same shape as the light source unit 2 and not having the light emitting panel 21 installed therein can be attached to the spaced intervals.

  As shown in FIG. 5, the lighting device 1 is connected to a lighting circuit for driving the light source unit 2 to light through the power feeding unit 32 of the base unit 3. The lighting circuit includes, for example, an AC / DC converter that converts an alternating current from a commercial power supply AC into a direct current, a DC / DC converter that transforms a direct current voltage into a desired voltage, and a lighting device 1 for the transformed direct current. And a driver for controlling supply to the device. These AC / DC converter, DC / DC converter, and driver are embedded in a ceiling or a wall to which the lighting device 1 is attached. The direct current supplied from the driver is energized to each light source part 2c, 2b, 2a via the power feeding part 32. Note that the DC / DC converter and the driver may be mounted on the light source unit 2 side.

  The module case 22 of the light source unit 2 (see FIGS. 1 and 3 described above) has a box shape that is open on the side opposite to the mounting surface 2 </ b> A, and the light emitting panel 21 is accommodated in the internal space. A translucent cover 26 is provided so as to cover. The translucent cover 26 is formed in a shape that fits into the opening surface 22a. A wiring substrate (not shown) is disposed on the non-light emitting surface side of the light emitting panel 21. This wiring board has a land portion (not shown) connected to the power supply terminal 25, an auxiliary electrode extended to the outer edge of the light emitting panel 21, and a land portion for connecting the wiring circuit via a wire or the like. And is housed in the module case 22 together with the light-emitting panel 21.

  The light-emitting panel 21 includes an organic EL element as a light source, and a light-transmitting substrate, a light-emitting unit, and a sealing can that seals the light-emitting unit in order from the light-emitting surface side (not shown). For example, the light emitting unit includes, in order from the light transmitting substrate side, a positive electrode made of a transparent conductive film, a light emitting layer containing a light emitting organic material, and a negative electrode having light reflectivity. The sealing can isolates the light emitting part from the outside air, particularly moisture and oxygen, and prevents the light emitting part from deteriorating. In addition, the light source of the light source part 2 is not restricted to an organic EL element, For example, the planar light-emitting body which consists of LED and the light-guide plate which light-guides and diffuses the light from this LED may be used.

  As shown in FIG. 6, the protrusion 36 c of the power supply terminal block 36 may have a cylindrical shape inside. When the power supply terminal block 36 is attached to the base portion 3, the protrusion 36 c penetrates the base portion 3 from the hole 37 (see FIG. 2) of the base portion 2. It functions as a wiring insertion hole 36d that is inserted through the pressing portion 36a. The conductive member 32a of the power supply portion 32 can be connected to the wiring outside the base portion 3 through the wiring insertion hole 36d. The connection structure of the wiring to the conductive member 32a is not limited to the form shown in FIG.

  As shown in FIG. 7, the holding portion 24 includes a movable claw 24a that engages with one rail portion 34, a pair of support portions 24b that slidably support both side portions of the movable claw 24a, and a pair of support portions 24b. And a fixing portion 24c for connecting the support portion 24b and fixing the holding portion 24 to the module case 22. A spring 24d is disposed between the fixed portion 24c and the movable claw 24a, and the movable claw 24a is urged in a direction opposite to the engaging portion 23 by the spring 24d. With this configuration, the movable claw 24 a comes into contact with the rail portion 34 by the bias of the spring 24 d against the rail portion 34 of the base portion 3, and when a force directed in the opposite direction is applied, the rail portion 34. Separate from. In the present embodiment, the movable claw 24a serves as a movable mechanism. An end portion 24e that engages with the rail portion 34 in the movable claw 24a is formed in a tapered shape.

  When attaching the light source unit 2 to the base unit 3, as shown in FIG. 8, first, the end of the light source unit 2 on the side of the engaging unit 23 is inserted into one rail unit 33 of the base unit 3, and the engaging unit 23. The end of the light source unit 2 on the side of the holding unit 24 is pressed against the other rail unit 34 while using as a rotation axis. With this pressing force, the movable claw 24a of the holding portion 24 slides in a direction opposite to the bias of the spring 24d. Fits into the recess of the rail portion 34. At this time, the power supply terminal 25 of the light source unit 2 is inserted into the power supply unit case 32b of the power supply unit 32 and is electrically connected to the conductive member 32a. In this way, the light source unit 2 is attached to the base unit 3.

  According to this structure, the engaging part 23 and the holding part 24 of the light source part 2 can be engaged with arbitrary positions along the longitudinal direction of the rail parts 33 and 34, and the light source part 2 can be easily engaged with the base part. 3 can be attached. Moreover, since the power feeding part 32 is rail-shaped, power feeding from the base part 3 to the light source part 2 can be ensured at any position. Moreover, the base part 3 can attach and supply electric power irrespective of the size of the light source part 2 as shown in FIG. Furthermore, since the conductive member 32a of the power supply unit 32 is protected by the power supply unit case 32b, for example, even if the light source unit 2 is forcibly removed, the conductive member 32a is not damaged by the power supply terminal 25. Disconnection can be suppressed.

  Moreover, since the power supply part 32 is detachable, when the position of the light source part 2 with respect to the base part 3 is determined in advance, the connector 38 corresponding to the power supply terminal 25 is used without using the power supply part 32 described above. Can do. In this case, a connector 39 may be attached to the holding piece 35 at a predetermined position, and an external wiring W may be connected to the connector 39. For example, when the size of the light source unit 2 is large and the number of light source units 2 attached to one base unit 3 is small, a connector 38 is preferably used instead of the power supply unit 32. The holding sections 35 are arranged at equal intervals in the longitudinal direction of the plane portion 31, so that the holding sections 35 are used for positioning when the connector 39 and the light source unit 2 are arranged. Further, the wiring W can be hooked on the holding piece 35 to which the connector 39 is not attached.

  Note that the lighting device according to the present invention is not limited to the above-described embodiment, and various modifications can be made. For example, in the above-described embodiment, the configuration in which the hole 37 of the base portion 3 for attaching the power supply terminal block 36 is formed at the end portion of the base portion 3 is shown, but the hole 27 extends along the longitudinal direction of the base portion 3. It may be formed at a plurality of locations at regular intervals. In this way, even when the power feeding portion 32 is shorter than the base portion 3, the end portion can be fixed by the power feeding terminal block 36.

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Light source part 2A Mounting surface 21 Light emission panel 22 Module case 23 Engagement part (attachment claw)
24 Holding part (Mounting claw)
25 Feeding terminal 3 Base part 32 Feeding part 33 Rail part 34 Rail part 35 Holding section 36 Feeding terminal block

Claims (5)

A lighting device including a light source unit and a base unit having a power supply unit for supplying power to the light source unit,
The light source unit is provided at both edges of a flat light emitting panel, a module case that houses the light emitting panel, and a mounting surface of the module case that faces the base unit, and the module case serves as the base unit. A mounting claw to be attached, and a power supply terminal provided to be orthogonal to the mounting surface and electrically connected to the power supply unit,
The base portion includes a long plate-like plane portion, and a pair of rail portions that are provided on both edges of the plane portion and engage with the attachment claws,
The illuminating device according to claim 1, wherein the power feeding portion has a rail shape along a longitudinal direction of the flat portion, and is attachable to and detachable from the flat portion.   The lighting device according to claim 1, wherein the power supply unit includes a conductive member connected to the power supply terminal, and a power supply unit case that protects the conductive member and into which the power supply terminal is inserted.   The lighting device according to claim 2, wherein the flat part has a plurality of holding pieces that are cut and raised from the flat part toward the light source part to hold the power feeding part case.   4. The illumination according to claim 2, wherein the base portion includes a power supply terminal block that covers an end portion in a longitudinal direction of the conductive member and fixes the power supply portion case to the flat portion. apparatus.   The lighting device according to claim 4, wherein the power supply terminal block has a wiring insertion hole.

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