JP6956350B2 - Lighting device - Google Patents

Description

The present disclosure relates to a lighting device.

Conventionally, the following Patent Document 1 discloses an LED (Light Emitting Device) unit. The LED unit has a long LED substrate and a plurality of LEDs arranged at intervals on an array line along the longitudinal direction of the LED substrate. Further, a connector is provided at the end portion of the LED substrate in the longitudinal direction. This connector is arranged at a position deviating from the above array line.

Japanese Unexamined Patent Publication No. 2013-251444

In Patent Document 1, a connector is integrally provided at the end of the LED substrate. On the other hand, in a lighting device, a connector may be fixed to a board mounting member to which a long board on which a plurality of light emitting elements are mounted is mounted. In this case, the connector usually has two terminal portions, and is generally arranged so that the arrangement direction of the terminal portions is parallel to the substrate. However, when the connector is arranged in this way, the dimension of the substrate in the lateral direction becomes large in the lighting device, which is a restriction in reducing the width of the lighting device.

An object of the present disclosure is to reduce the width of the illuminating device in the lateral direction of the substrate in an illuminating device including a long substrate on which a light emitting unit is mounted.

The lighting device according to the present disclosure includes a long substrate, a light emitting unit mounted on the surface of the substrate and emitting light at a predetermined light distribution angle centered on an optical axis corresponding to a perpendicular line on the surface, and the above. It includes a long board mounting member to which a board is mounted, and a connector provided at an end portion of the board mounting member in the longitudinal direction so as to be adjacent to the light emitting portion in the lateral direction of the board. The connector has at least two terminal portions arranged in parallel with each other, and the arrangement direction of the two terminal portions is inclined at a first angle with respect to the optical axis.

According to the illuminating device according to the present disclosure, the connector is arranged in a posture in which the arrangement direction of the two terminal portions is inclined at the first angle with respect to the optical axis of the light emitting portion, so that the connector in the lateral direction of the illuminating device is arranged. The dimensions can be reduced and the width of the lighting device can be reduced.

It is an overall perspective view of the lighting apparatus which is one Embodiment of this disclosure. It is a figure which shows the installation example of the lighting apparatus shown in FIG. It is a perspective view of the connection lighting device included in the lighting device shown in FIG. 1 as viewed from one end face direction. FIG. 3 is a perspective view of the connecting lighting device shown in FIG. 3 as viewed from the other end face direction. It is an exploded perspective view of the lighting device for connection. It is a top view (excluding a cover member) of a lighting device for connection. FIG. 6 is a sectional view taken along line VII-VII in FIG. It is the same cross-sectional view as FIG. 7 which shows the connection lighting apparatus included in the illumination apparatus of a modification. (A) is a plan view showing a modification of the substrate, and (b) is a cross-sectional view taken along the line DD in (a).

Hereinafter, embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. In this description, specific shapes, materials, numerical values, directions, etc. are examples for facilitating the understanding of the present disclosure, and can be appropriately changed according to applications, purposes, specifications, and the like. In addition, when a plurality of embodiments and modifications are included in the following, it is assumed from the beginning that those characteristic portions are appropriately combined and used.

FIG. 1 is an overall perspective view of the lighting device 10 according to the embodiment of the present disclosure. In FIG. 1 (the same applies to FIG. 5), the longitudinal direction of the lighting device 10 is indicated by an arrow X, the lateral direction or the width direction is indicated by an arrow Y, and the thickness direction is indicated by an arrow Z. Each direction X, Y, Z is a direction orthogonal to each other.

As shown in FIG. 1, the illuminating device 10 of the present embodiment is composed of a base end illuminating device 10A and a connecting illuminating device 10B. Each of the lighting devices 10A and 10B is formed in a long and flat rectangular parallelepiped shape. The base end lighting device 10A is different from the connecting lighting device 10B in that a power supply introduction unit 12 is provided at the end, but other configurations can be the same.

Each of the base end lighting device 10A and the connecting lighting device 10B in the present embodiment corresponds to the lighting device according to the present disclosure. The lighting device according to the present disclosure may be composed of only the base end lighting device, or one base end lighting device and two or more linearly connected to the base end lighting device. It may be configured to include a lighting device for connection.

A power supply introduction unit 12 is connected and fixed to the base end lighting device 10A. A power supply line 1 made of, for example, a VVF (vinyl insulated vinyl sealed cable flat type) or the like, which is wired in a building (for example, a house, a building, etc.) in which the lighting device 10 is installed is drawn into the power supply introduction unit 12. The core wire exposed at the end of the power supply line 1 is electrically and mechanically connected to the terminal block 14 housed in the power supply introduction unit 12. Although not shown, the terminal block 14 is connected to a male connector arranged at the end of the base end lighting device 10A.

The base end lighting device 10A and the connecting lighting device 10B are installed via the mounting plate 2. The mounting plate 2 is a long member formed of, for example, a metal plate. FIG. 2 shows an installation example of the lighting device 10. As shown in FIGS. 1 and 2, the mounting plate 2 faces the bottom plate portion 2a, the side wall portions 2b erected on both side edges in the width direction of the bottom plate portion 2a, and the end portions of the side wall portions 2b. It has a protruding portion 2c protruding in the direction.

As shown in FIG. 2, grooves 18 are formed along the longitudinal direction on the outer surfaces of the side walls 16 on both sides of the lighting devices 10A and 10B in the width direction. The groove 18 is preferably formed in the vicinity of the bottom plate 20 of the lighting device 10. The lighting device 10 is mounted on the mounting plate 2 in a state where the protruding portion 2c of the mounting plate 2 is fitted in the groove 18 formed in this way. Here, the gap between the protrusion 2c and the inner surface of the groove 18 is set so that the lighting devices 10A and 10B can be smoothly inserted and slid to the mounting plate 2 and can be mounted without rattling. There is.

FIG. 2 shows an example in which the lighting device 10 is installed on the wall surface 3. The wall surface 3 is formed of, for example, plywood, gypsum board, mortar, concrete, or the like. The mounting plate 2 can be fixed to the wall surface 3 by a screw 4 such as a countersunk screw. The installation location of the lighting device 10 is not limited to the wall surface 3, and may be installed in another location (for example, the ceiling or the like).

After the mounting plate 2 is attached to the wall surface 3 in this way, as shown in FIG. 1, the base end lighting device 10A is directed in the arrow A direction (that is, the longitudinal direction) from the longitudinal end of the mounting plate 2. The slide is moved and placed on the mounting plate 2. Similarly, the connecting lighting device 10B is also slid from the end portion in the longitudinal direction of the mounting plate 2 in the direction of arrow A (that is, the longitudinal direction) and arranged on the mounting plate 2. Then, the male connector 22m projecting from the longitudinal end surface of the connecting illuminating device 10B is inserted into the female connector 22f (see FIG. 3) recessed from the longitudinal end surface of the base end illuminating device 10A. do. As a result, the base end lighting device 10A and the connecting lighting device 10B are electrically connected and mechanically connected. Here, the male connector 22m and the female connector 22f correspond to the connector of the lighting device according to the present disclosure.

The lighting devices 10A and 10B may be fixed to the mounting plate 2 by screwing the substrate mounting members included in the lighting devices 10A and 10B to the mounting plate 2.

As described above, the base end lighting device 10A and the connecting lighting device 10B have the same configuration except for the power supply introduction unit 12, and therefore, the connecting lighting device 10B will be described in detail below as an example.

FIG. 3 is a perspective view of the connecting illuminating device 10B as viewed from one end face direction, and FIG. 4 is a perspective view of the connecting illuminating device 10B as viewed from the other end face direction. As shown in FIG. 3, in the connecting lighting device 10B, a female connector 22f is provided on the end plate 11a attached to one end in the longitudinal direction. In this embodiment, the female connector 22f has two holes 24. A female terminal portion, which will be described later, is arranged inside the hole 24.

On the other hand, as shown in FIG. 4, in the connecting lighting device 10B, a male connector 22m is provided on the end plate 11b attached to the other end in the longitudinal direction. In the present embodiment, the male connector 22m is composed of two pin-shaped male terminal portions 26m.

FIG. 5 is an exploded perspective view of the connecting lighting device 10B. FIG. 6 is a plan view (excluding the cover member) of the connecting lighting device 10B.

As shown in FIG. 5, the connecting lighting device 10B includes a substrate mounting member 30. The board mounting member 30 is a long member, and has a bottom plate portion 32 constituting the bottom plate 20 of the connecting lighting device 10B. The bottom plate portion 32 is formed in an elongated rectangular shape in a plan view. Side walls 16 of the connecting lighting device 10B are erected on both end edges of the bottom plate portion 32 in the width direction (arrow Y direction). In the present embodiment, the side wall 16 is formed substantially perpendicular to the bottom plate portion 32. Further, the bottom plate portion 32 and the side wall 16 are integrally formed of, for example, a resin such as polycarbonate. However, the present invention is not limited to this, and the substrate mounting member including the bottom plate portion and the side wall may be integrally formed of the metal plate. In this case, it is preferable to provide an insulating layer on the surface of the bottom plate portion which is the substrate mounting surface. Further, at least one of the two side walls of the substrate mounting member may be integrally formed with the cover member 56 (see FIG. 5) described later.

End plates 11a and 11b are attached to both ends of the substrate mounting member 30 in the longitudinal direction. The end plates 11a and 11b are provided so as to close both ends in the longitudinal direction of a substantially rectangular parallelepiped space partitioned by the bottom plate portion 32 and the side wall 16. The end plates 11a and 11b are fixed to the side wall 16 of the substrate mounting member 30 via, for example, a connecting member (not shown).

Of the end plates 11a and 11b, a female connector 22f is provided on the inner surface of the end plate 11a at one end in the longitudinal direction (the surface facing the inside of the connecting lighting device 10B). The female connector 22f includes a connector main body 13f formed so as to project from the inner surface of the end plate 11a, and two female terminal portions 26f held in a state of being inserted into the connector main body 13f. In the present embodiment, the connector main body 13f is integrally formed of the same resin material (for example, polycarbonate) as the end plate 11a.

In the female connector 22f, the two female terminal portions 26f are arranged side by side in parallel with each other. Further, the female terminal portion 26f is made of metal and has a tubular portion. This tubular portion communicates with the hole 24 of the end plate 11a.

On the other hand, a male connector 22m is provided on the inner surface of the end plate 11b at the other end in the longitudinal direction (the surface facing the inside of the connecting lighting device 10B). The male connector 22m includes a connector main body 13m formed so as to project from the inner surface of the end plate 11b, and two male terminal portions 26m having a base end portion held in the connector main body 13m. In the present embodiment, the connector main body 13m is integrally formed of the same resin material (for example, polycarbonate) as the end plate 11b.

In the male connector 22m, the two male terminal portions 26m are arranged side by side in parallel with each other. The base end portion of each male terminal portion 26 m is held in the connector main body 13 m. As shown in FIGS. 3 and 6, the tip of each male terminal portion 26 m protrudes to the outside of the end plate 11b. The male terminal portion 26m is made of metal and is formed in a pin shape.

By inserting the male connector 22m of the connecting lighting device 10B thus formed into the hole 24 of the female connector 22f of the base end lighting device 10A, the lighting devices 10A and 10B are electrically and mechanically formed. It is configured to be connected in a positive manner.

Referring to FIGS. 5 and 6 again, the connecting illuminator 10B further includes an elongated substrate 34. The substrate 34 has an elongated rectangular shape in a plan view, and is formed to be slightly smaller than the bottom plate portion 32 of the substrate mounting member 30. The substrate 34 is fixed on the bottom plate portion 32 by, for example, screwing. A clip portion may be provided on the bottom plate portion 32 or the side wall 16, and the substrate 34 may be attached to the substrate mounting member 30 by sandwiching both ends of the substrate 34 in the width direction with the clip portions.

A light emitting unit 36 is mounted on the surface of the substrate 34. In the present embodiment, the light emitting unit 36 includes a plurality of light emitting elements 38. The plurality of light emitting elements 38 are preferably configured by LED elements. The plurality of light emitting elements 38 are arranged on the substrate 34 at predetermined intervals d in the longitudinal direction. In this embodiment, a plurality of light emitting elements 38 are linearly arranged. The light emitting element 38 may be a light emitting element other than the LED.

Of the plurality of light emitting elements 38, the female connector 22f and the male connector 22m are adjacent to the light emitting elements 38a mounted at both ends in the longitudinal direction of the substrate 34 in the lateral direction (that is, the width direction) of the substrate 34. It is provided together. With this configuration, a part of the light from the light emitting element 38a located at the end of the substrate 34 may be blocked by the connectors 22m and 22f. In order to suppress such shading and the like, in the connecting lighting device 10B of the present embodiment, the arrangement directions of the terminal portions 26m and 26f in the connectors 22m and 22f are devised. The details will be described later with reference to FIG. 7.

The light emitting unit 36 composed of the plurality of light emitting elements 38 is arranged at a position closer to one edge with respect to the widthwise center line C of the substrate 34. On the other hand, the drive circuit unit 40 is mounted on the surface of the substrate between the center line C in the width direction and the other edge portion of the substrate 34. The drive circuit unit 40 includes two capacitors 42 and 44 and an AC / DC converter 46, which are respectively mounted on the surface of the substrate 34 by, for example, reflow soldering.

Further, on the surface of the substrate 34, two on-board connectors 48 and 50 are mounted on both of the drive circuit units 40 in the longitudinal direction, for example, by reflow soldering or the like. One of the on-board connectors 48 is electrically connected to the female connector 22f via two lead wires 52. The other on-board connector 50 is electrically connected to the male connector 22m via two lead wires 54.

The capacitors 42, 44 and the AC / DC converter 46 included in the drive circuit unit 40 are electrically connected to the two on-board connectors 48, 50 via a wiring pattern formed on the board 34. As a result, when an AC voltage is supplied from the female connector 22f of the base end lighting device 10A via the male connector 22m of the connecting lighting device 10B, the lead wire 54, and the connector 50 on the substrate, the drive circuit unit 40 The AC / DC converter 46 converts the AC voltage into a DC voltage. The converted DC voltage is applied to each light emitting element 38 on the substrate 34 via a wiring pattern (not shown). As a result, a predetermined current is applied to each light emitting element 38, and light is emitted. Any known configuration may be used for the capacitors 42 and 44 and the AC / DC converter 46.

Further, the two on-board connectors 48 and 50 are directly electrically connected by a wiring pattern (not shown) without using an AC / DC converter 46. Therefore, when another connecting lighting device 10B is connected to the female connector 22f of the connecting lighting device 10B, an AC voltage can be supplied to the other connecting lighting device 10B.

As shown in FIG. 5, the connecting lighting device 10B further includes a cover member 56. In the present embodiment, the cover member 56 is formed of a translucent flat plate having an elongated rectangular shape. The cover member 56 is made of a resin such as polycarbonate. The cover member 56 is attached to the side wall 16 and / or the end plates 11a and 11b of the substrate mounting member 30 by, for example, fitting, screwing, or the like. As a result, in the connecting lighting device 10B, the opening facing the substrate 34 in the thickness direction Z is closed by the cover member 56. Here, the cover member 56 is not limited to the flat plate, and may be formed in another shape (for example, a semi-cylindrical shape). Further, the cover member 56 may have a light diffusion function.

In the present embodiment, it is described that the entire cover member 56 has translucency, but the present embodiment is not limited to this. For example, in the cover member 56, about half of the cover member 56 located at a portion facing the light emitting element 38 in the thickness direction (Z direction) is made of a translucent resin material, and the other half is light-shielding. It may be composed of the resin material of. A cover member in which such a light-shielding portion and a translucent portion are integrated may be formed by one extrusion molding. Further, in the substrate mounting member 30, the side wall 16 close to the light emitting element 38 is formed of a translucent resin, and a part of the light emitted from the light emitting element 38 is transmitted through the side wall 16 to irradiate the outside of the lighting device 10. You may be able to do it.

Next, with reference to FIG. 7, the arrangement direction of the terminal portions of the connectors in the connecting lighting device 10B of the present embodiment will be described in detail. FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG.

As shown in FIG. 7, the light emitting elements 38 and 38a in the connecting lighting device 10B of the present embodiment emit light with a predetermined light distribution angle 2θ centered on the optical axis OA. Here, the light distribution angle 2θ is, for example, the direction of the maximum luminous intensity of a light source having a Lambertian light distribution, and is on the optical axis OA (θ = 0 degree) corresponding to a perpendicular line passing through the center point of the light emitting surface. It is represented by the internal angle from the optical axis OA in the direction in which the intensity is 50% relative to the intensity of the light. An example of the light emitting element 38 of the present embodiment having a light distribution angle of, for example, 2θ = 120 degrees (θ = 60 degrees) is illustrated.

Here, the light emitting element 38 of the present embodiment is mounted in a state where its light emitting surface (upper surface in FIG. 7) is parallel to the surface 34a of the substrate 34. Therefore, the optical axis OA of the light emitting element 38 in this case coincides with the perpendicular line of the surface 34a of the substrate 34. However, the optical axis OA may deviate from the perpendicular line of the surface 34a of the substrate 34 by, for example, about 10 degrees, preferably about several degrees, due to an error in mounting the light emitting element 38 on the substrate 34 or the like. Even in this case, the optical axis OA of the light emitting element 38 can be regarded as substantially coincident with the perpendicular line of the surface 34a of the substrate 34.

In the connection lighting device 10B of the present embodiment, the alignment direction of the two male terminal portions 26m of the male connector 22m, in other words, the virtual straight line connecting the central axes of the two pin-shaped male terminal portions 26m is , The light emitting element 38 is tilted at a first angle α with respect to the optical axis. The first angle α is preferably ½ or more of the light distribution angle 2θ and preferably 80 degrees or less, and more preferably 60 degrees or more.

Usually, a connector having two (or two poles) terminal portions includes a connector body having side surfaces parallel to the arrangement direction of the terminal portions. As shown in FIG. 7, the connector main body 13m of the male connector 22m in the present embodiment has an oval or track-shaped cross section, and two side surfaces 58a parallel to the alignment direction of the two male terminal portions 26m. , 58b. Among them, the side surface 58a on the side opposite to the substrate 34 is arranged parallel to the alignment direction of the two male terminal portions 26m. That is, the connector body 13m of the male connector 22m has a side surface 58a inclined at a first angle α with respect to the optical axis OA. The cross-sectional shape of the connector body 13 m is not limited to the above-mentioned track shape, and may be another shape such as a rectangular shape.

As described above, the arrangement direction of the two terminal portions is inclined at the first angle α with respect to the optical axis OA of the light emitting element 38, which is the same for the female connector 22f. By arranging the terminal portions 26m and 26f in an inclined manner in this way, it is possible to suppress the width direction dimensions of the connectors 22m and 22f along the lateral direction of the connecting lighting device 10. As a result, the width of the connecting lighting device 10B can be reduced.

Further, since the connector bodies 13m and 13f of the connectors 22m and 22f have side surfaces 58a inclined at the first angle α, the connectors are substantially along the outer edge 62 of the light distribution region 60 emitted from the light emitting element 38 adjacent in the width direction. The connector bodies 13m and 13f can be arranged in a vertical position. Therefore, the connector bodies 13m and 13f can be arranged close to the light emitting element 38 while not blocking the light emitted from the light emitting element 38 as much as possible. As a result, it is possible to suppress shading by the connector bodies 13m and 13f while reducing the widthwise dimension of the connecting lighting device 10B. Even if the connector bodies 13m and 13f are placed in the light distribution area 60, since the side surfaces 58a of the connector bodies 13m and 13f are arranged substantially along the outer edge 62 of the light distribution area 60, the light distribution area 60 is reached. The amount of protrusion of the connector bodies 13m and 13f is small. Therefore, the shading range can be reduced.

The effects of the connection lighting device 10B described above are the same for the base end lighting device 10A.

As described above, the lighting device 10 of the present embodiment is mounted on the elongated substrate 34 and the surface 34a of the substrate 34, and has a predetermined light distribution angle 2θ centered on the optical axis OA corresponding to the perpendicular line of the surface 34a. At the light emitting portion 36 that emits light, the elongated substrate mounting member 30 to which the substrate 34 is attached, and the end portion of the substrate mounting member 30 in the longitudinal direction, the light emitting portion 36 is adjacent to the light emitting portion 36 in the lateral direction of the substrate 34. It is provided with connectors 22m and 22f that are provided together. The connectors 22m and 22f have at least two terminal portions 26m and 26f arranged in parallel with each other, and the arrangement directions of the two terminal portions 26m and 26f are inclined at a first angle α with respect to the optical axis OA. ..

According to this configuration, the connectors 22m and 22f are arranged so that the arrangement directions of the two terminal portions 26m and 26f are inclined at the first angle α with respect to the optical axis OA of the light emitting portion 36. The width dimensions of the connectors 22m and 22f in the lateral direction can be reduced, and the width of the lighting device 10 can be reduced.

In the lighting device 10 of the present embodiment, it is preferable that the first angle α is ½ or more of the light distribution angle 2θ and 80 degrees or less. According to this configuration, the side surfaces 58a of the connector bodies 13m and 13f parallel to the arrangement direction of the terminal portions 26m and 26f can be arranged in a posture substantially along the outer edge 62 of the light distribution region 60 of the light emitting portion 36. Therefore, it is possible to suppress shading by the connectors 22m and 22f at the longitudinal end of the lighting device 10 while reducing the width of the lighting device 10.

Further, in the lighting device 10 of the present embodiment, it is more preferable that the first angle α is ½ or more of the light distribution angle 2θ, 80 degrees or less, and further 60 degrees or less. In this way, for example, when a light emitting element 38 having a light distribution angle of 120 degrees is used, the side surfaces 58a of the connector main body 13m and 13f are arranged in a state closer to parallel to the outer edge 62 of the light distribution region 60. It is possible to more effectively suppress shading by the connectors 22m and 22f at the longitudinal end of the lighting device 10.

Further, the lighting device 10 of the present embodiment includes a plurality of light emitting elements 38 in which the light emitting units 36 are arranged on the substrate 34 at intervals in the longitudinal direction. According to this configuration, the luminous intensity in the longitudinal direction of the lighting device 10 can be made uniform.

Next, the lighting device of the modified example will be described with reference to FIG. FIG. 8 is a cross-sectional view similar to that of FIG. 7, showing the connecting lighting device 10C included in the lighting device of the modified example. Hereinafter, the same or similar components as those of the above-described connecting lighting device 10B will be designated by the same or similar reference numerals, and the description thereof will be omitted.

As shown in FIG. 8, in the connecting lighting device 10C, the male connector 22 m includes a connector body 13 m that holds two male terminal portions 26 m. The connector body 13m has a side surface 58c chamfered so as to be inclined at a second angle β with respect to the optical axis OA of the light emitting element 38a. The second angle β is ½ or more of the light distribution angle 2θ and is 80 degrees or less.

The connector main body 13m in the connecting lighting device 10C has a substantially hexagonal cross section, and has a side surface 58d parallel to the side surface 58c on the side opposite to the chamfered side surface 58c (that is, the substrate 34 side).

Other configurations of the connecting lighting device 10C are the same as those of the connecting lighting device 10B of the above embodiment.

The same effect as described above can be obtained by the lighting device 10 including the connecting lighting device 10C of this modification. That is, the width of the lighting device 10 can be reduced, and shading by the connectors 22m and 22f can be suppressed at the longitudinal end of the lighting device 10.

Further, in the lighting device 10 including the connecting lighting device 10C of this modification, it is preferable that the second angle β is substantially equal to the first angle α in the connecting lighting device 10B of the above-described embodiment. Here, "substantially equal" is intended to include a range (for example, about ± 5 degrees) that can be regarded as substantially equal as well as when they are exactly equal. By doing so, the chamfered side surface 58c becomes parallel to the arrangement direction of the terminal portions 26m and 26f, so that the side surface 58c of the connector main body 13m and 13f is substantially along the outer edge 62 of the light distribution region 60 of the light emitting portion 36. It can be placed in a vertical position. Therefore, it is possible to suppress shading by the connectors 22m and 22f at the longitudinal end of the lighting device 10 while reducing the width of the lighting device 10.

Further, in the lighting device 10 including the connecting lighting device 10C of this modification, the second angle β is ½ or more of the light distribution angle 2θ, 80 degrees or less, and further 60 degrees or more. Is more preferable. In this way, for example, when a light emitting element 38 having a light distribution angle of 120 degrees is used, the chamfered side surfaces 58c of the connector bodies 13m and 13f are closer to parallel to the outer edge 62 of the light distribution region 60. It can be arranged in a state, and light shielding by the connectors 22m and 22f at the longitudinal end of the lighting device 10 can be suppressed more effectively.

9 (a) is a plan view showing a modified example of the substrate 34, and FIG. 9 (b) is a cross-sectional view taken along the line DD in (a).

As shown in FIG. 9, the plurality of light emitting elements 38 mounted on the substrate 34 may be collectively sealed with the translucent resin 70. For the translucent resin 70, for example, silicone, epoxy resin and the like are preferably used. According to this configuration, there is an advantage that the mounting state of each light emitting element 38 on the substrate 34 becomes more stable. Further, if the fluorescent powder is mixed with the translucent resin 70, the fluorescent powder emits light in response to the light from the light emitting element 38, so that light of an arbitrary light color can be emitted from the lighting device 10.

The present disclosure is not limited to the above-described embodiments and modifications, and various changes and improvements can be made within the scope of the claims of the present application and the equivalent scope thereof.

For example, in the above description, the case where the connectors 22m and 22f include two terminal portions 26m and 26f has been described, but the present invention is not limited to this. The connector may further include, for example, another terminal portion that serves as a grounding electrode. In this case, another terminal portion serving as a grounding electrode may be arranged at a position forming a triangle with respect to the above two terminal portions 26m and 26f, for example.

Further, although the lighting device 10 including the drive circuit unit 40 including the AC / DC converter 46 has been described above, the present invention is not limited to this. When a DC voltage is supplied to the illuminating device from an external DC power supply device, the illuminating device does not have to have an AC / DC converter.

10 Lighting device, 10A base end lighting device, 10B, 10C connection lighting device, 11a, 11b end plate, 13f, 13m connector body, 16 side wall, 22f female connector, 22m male connector, 26f female terminal, 26m male terminal part, 30 board mounting member, 34 board, 34a surface, 36 light emitting part, 38 light emitting element, 40 drive circuit part, 56 cover member, 58a (connector body) side surface, 58c (connector body) chamfered Side surface, 60 light distribution area, 62 outer edge, 70 translucent resin, OA optical axis, α 1st angle, β 2nd angle, 2θ light distribution angle.

Claims (7)

With a long board
A light emitting unit mounted on the surface of the substrate and emitting light at a predetermined light distribution angle centered on an optical axis substantially coincided with a perpendicular line on the surface.
A long board mounting member to which the board is mounted and
At the end portion in the longitudinal direction of the substrate mounting member, a connector provided adjacent to the light emitting portion in the lateral direction of the substrate is provided.
The connector has at least two terminal portions, and the alignment direction of the two terminal portions is inclined at a first angle with respect to the optical axis.
A lighting device in which the first angle is ½ or more of the light distribution angle and 80 degrees or less. The connector includes a connector body that holds the two terminal portions, and the connector body has a side surface that is inclined at a second angle with respect to the optical axis, and the second angle is 1 / of the light distribution angle. The lighting device according to claim 1, wherein the temperature is 2 or more and 80 degrees or less. The lighting device according to claim 2, wherein the second angle is substantially equal to the first angle. The lighting device according to claim 1 or 2, wherein the first angle is 60 degrees or more. The lighting device according to claim 2 or 3, wherein the second angle is 60 degrees or more. The lighting device according to any one of claims 1 to 5 , wherein the light emitting unit includes a plurality of light emitting elements arranged at intervals in the longitudinal direction on the substrate. The lighting device according to claim 6 , wherein the plurality of light emitting elements are collectively sealed with a translucent resin.

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