KR20160027632A - Lighting device - Google Patents

Abstract

An embodiment of the present invention relates to a lighting device. The lighting device according to the embodiment comprises: a case; a connection unit which is disposed in the case; and a light source unit which is arranged in the case and is coupled to the connection unit. The light source unit includes a substrate which has a hole, multiple light emitting elements which are disposed on the upper surface of the substrate, and a connector which is disposed on the substrate and is disposed to be adjacent to the hole. The connection unit includes a base member which is coupled to the case and a terminal which is disposed on the base member. When the terminal is inserted into the hole of the substrate and then the substrate rotates, the terminal is mechanically and electrically coupled to the connector. According to the lighting device according to the embodiment, the light source unit can be coupled to the connection unit with a simple operation, and there are advantages that a wire for electrically connecting the light source unit to the connection unit is not necessary and that a rivet or a bolt for fixing the light source unit to the connection unit or the case is not necessary. In addition, there is also an advantage that it is possible to easily separate the light source unit from the connection unit.

Description

LIGHTING DEVICE

An embodiment of the present invention relates to a lighting apparatus.

Light emitting diodes (LEDs) are a type of semiconductor devices that convert electrical energy into light. The light emitting diode has advantages of low power consumption, semi-permanent lifetime, fast response speed, safety, and environmental friendliness compared with conventional light sources such as fluorescent lamps and incandescent lamps. Therefore, much research has been conducted to replace conventional light sources with light emitting diodes. Light emitting diodes are increasingly used as light sources for various lamps used in indoor / outdoor, liquid crystal display devices, electric sign boards, streetlights, and the like .

The illumination device according to the embodiment provides a lighting device capable of combining the light source portion and the connection portion by a simple operation.

Further, there is provided a lighting apparatus in which a wire for electrically connecting the light source unit and the connection unit is not required.

Further, there is provided a lighting apparatus in which a rivet or a bolt is not required for fixing the light source section to a connection section or a case.

Further, the present invention provides an illumination device capable of easily separating a light source part from a connection part.

A lighting apparatus according to an embodiment includes: a case; A connection portion disposed in the case; And a light source unit disposed in the case and coupled to the connection unit, wherein the light source unit includes a substrate having a hole, a plurality of light emitting elements disposed on an upper surface of the substrate, Wherein the terminal includes a base member coupled to the case and a terminal disposed on the base member, and when the substrate rotates after the terminal is inserted into the hole of the substrate, Mechanically and electrically coupled to the connector. According to the lighting apparatus of this embodiment, it is possible to combine the light source unit and the connection unit by a simple operation, and a wire for electrically connecting the light source unit and the connection unit is unnecessary, and a rivet or bolt for fixing the light source unit to the connection unit or the case is unnecessary There is an advantage. Further, there is an advantage that the light source portion can be easily separated from the connection portion.

The use of the illumination device according to the embodiment has an advantage that the light source unit and the connection unit can be combined by a simple operation.

Further, there is an advantage that a wire for electrically connecting the light source unit and the connection unit is unnecessary.

Further, there is an advantage that a rivet or a bolt for fixing the light source part to the connection part or the case is unnecessary.

Further, there is an advantage that the light source portion can be easily separated from the connection portion.

1 is a perspective view of a lighting apparatus according to a first embodiment;
2 is an exploded perspective view of the illumination device shown in Fig.
Fig. 3 is an enlarged perspective view of a part A of the light source unit shown in Fig. 2, and a plan view of a hole of the substrate. Fig.
FIG. 4 is an enlarged perspective view of the connection portion shown in FIG. 2; FIG.
FIG. 5A is a cross-sectional view of the first connector shown in FIG. 3, and FIG. 5B is a modification of the first connector shown in FIG. 5A.
6 is a cross-sectional view of the connection shown in Fig.
7 to 9 are views for explaining a process of coupling the light source unit 300 and the connection unit 500 of the illumination apparatus according to the first embodiment.
10 is an exploded perspective view of a lighting apparatus according to a second embodiment;
11 is an enlarged perspective view of B shown in Fig.
12 is an enlarged perspective view of only the connecting portion shown in Fig.
13 to 15 are views for explaining a process of combining the light source unit 300 'and the connection unit 500' of the illumination device according to the second embodiment.

The thickness and size of each layer in the drawings are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size of each component does not entirely reflect the actual size.

In the description of the embodiments according to the present invention, in the case where an element is described as being formed "on or under" another element, the upper (upper) or lower (lower) (On or under) all include that the two elements are in direct contact with each other or that one or more other elements are indirectly formed between the two elements. Also, when expressed as "on or under", it may include not only an upward direction but also a downward direction with respect to one element.

Hereinafter, a lighting apparatus according to an embodiment of the present invention will be described with reference to the accompanying drawings.

≪ First Embodiment >

1 is an exploded perspective view of the illumination device shown in Fig. 1, Fig. 3 is an enlarged perspective view of an enlarged view of a portion A of the light source portion shown in Fig. 2, Fig. And FIG. 4 is an enlarged perspective view of the connection portion shown in FIG. 2. FIG.

1 to 4, the lighting apparatus according to the first embodiment may include a cover unit 100, a light source unit 300, a case 400, and a connection unit 500.

The cover part 100 is disposed on the light source part 300. The cover unit 100 may be spaced apart from the light source unit 300 by a predetermined distance.

The cover part 100 can be engaged with the case 400. The cover part 100 can be combined with the case 400 to form an appearance of the lighting device. When the cover part 100 and the case 400 are coupled, a predetermined space in which the light source part 300 can be disposed may be formed.

The cover part 100 may receive the light emitted from the light source part 300 and transmit the light as it is, or may diffuse or condense the light. In addition, the cover part 100 may emit light having a wavelength different from that of the light emitted from the light source part 300. To this end, the cover portion 100 may include a fluorescent material.

The cover portion 100 may be made of a transparent material, or may be opaque or translucent. Here, the haze of the cover portion 100 may be 40% or more. If the haze of the cover part 100 is 40% or more, it is difficult to confirm the presence of the light source part 300 from the outside.

The cover portion 100 may have a circular plate shape whose central portion is convex upward. However, the present invention is not limited thereto, and the cover portion 100 may be a circular plate whose center portion is concave downward or flat. Further, the cover part 100 may be a polygonal or elliptical plate other than a circular plate.

The light source unit 300 is disposed below the cover unit 100 and disposed on the case 400. That is, the light source unit 300 may be disposed between the cover unit 100 and the case 400.

The light source unit 300 may emit light toward the cover unit 100.

The light source unit 300 may be disposed in the storage space 450 of the case 400.

The light source unit 300 may be electrically and mechanically coupled to the connection unit 500. Since the light source unit 300 and the connection unit 500 are directly coupled to each other, a wire for connecting the light source unit 300 and the connection unit 500, a fastening unit for fixing the light source unit 300 to the case 400, For example, rivets or bolts are unnecessary.

The light source unit 300 may include a substrate 310, at least one light emitting device 330, and a connector 350.

The substrate 310 may be disposed on the case 400 and may have a size that can be accommodated in the case 400.

The substrate 310 may include a top surface on which the at least one light emitting device 330 is disposed and a bottom surface disposed on the base 410 of the case 400.

The substrate 310 may have a hole 315. The hole 315 may be disposed at the center of the substrate 310. [ The hole 315 may be formed through the upper surface and the lower surface of the substrate 310.

The first and second terminals 530a and 530b of the connection part 500 may be disposed in the hole 315. [

The hole 315 may include a center hole 315a and auxiliary holes 315b-1 and 315b-2.

The center hole 315a may be formed at the center of the substrate 310. [ Accordingly, the substrate 310 may include an inner circumferential surface 311 defining a center hole 315a. The center hole 315a may be circular.

The auxiliary holes 315b-1 and 315b-2 are formed to penetrate the upper surface and the lower surface of the substrate 310 and are connected to the center hole 315a.

The auxiliary holes 315b-1 and 315b-2 may include a first auxiliary hole 315b-1 and a second auxiliary hole 315b-2. Each of the first auxiliary hole 315b-1 and the second auxiliary hole 315b-2 may be a groove formed in the inner peripheral surface 311 of the substrate 310. The substrate 310 is connected to the inner peripheral surface 311 and defines a first auxiliary inner circumferential surface 311a and a second auxiliary hole 315b-2 defining the first auxiliary hole 315b-1. (311b).

The first auxiliary hole 315b-1 and the second auxiliary hole 315b-2 may be formed to face each other with respect to the center hole 315a. The size of the first auxiliary hole 315b-1 may be such that the end of the extended portion 533a of the first terminal 530a can pass through. Likewise, the size of the second auxiliary hole 315b-2 may be such that the end of the extended portion 533b of the second terminal 530b can pass through.

On the other hand, though not shown in the drawings, the holes 315 may be elliptical, rectangular, or polygonal, but are not limited thereto.

The substrate 310 may have a circular plate shape. However, the present invention is not limited thereto, and the substrate 310 may be a polygonal or elliptic plate.

The substrate 310 may be a circuit pattern printed on an insulator. For example, the substrate 310 may be a printed circuit board (PCB), a metal core PCB, a flexible PCB, a ceramic PCB, .

The surface of the substrate 310 may be a material that efficiently reflects light, or may be coated with a color in which light is efficiently reflected, for example, white, silver, or the like.

The light emitting device 330 is disposed on the upper surface of the substrate 310. Here, at least one light emitting device 330 may be disposed on the upper surface of the substrate 310.

The light emitting device 330 may include a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer. For example, the light emitting structure may include an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer.

The first conductive semiconductor layer may include an n-type semiconductor layer and may be selected from among GaN, AlN, AlGaN, InGaN, InN, InAlGaN, AlInN, AlGaAs, GaP, GaAs, GaAsP, AlGaInP, An n-type dopant such as Se or Te can be doped.

In the active layer, electrons (or holes) injected through the first conductive type semiconductor layer and holes (or electrons) injected through the second conductive type semiconductor layer meet with each other to form an energy band corresponding to the formation material of the active layer, Is a layer which emits light due to a difference in band gap of the light emitting layer. The active layer may be formed of any one of a single well structure, a multi-well structure, a quantum dot structure, or a quantum wire structure, but is not limited thereto.

The second conductivity type semiconductor layer may be a p-type semiconductor layer and may be selected from GaN, AlN, AlGaN, InGaN, InN, InAlGaN, AlInN, AlGaAs, GaP, GaAs, GaAsP, AlGaInP, A p-type dopant such as Sr, Ba or the like may be doped.

Meanwhile, the first conductivity type semiconductor layer may include a p-type semiconductor layer and the second conductivity type semiconductor layer may include an n-type semiconductor layer. Further, a semiconductor layer including an n-type or p-type semiconductor layer may be further formed under the second conductive type semiconductor layer. Accordingly, the light emitting structure may include at least one of an n-p junction structure, a p-n junction structure, an n-p-n junction structure, and a p-n-p junction structure. The light emitting device 330 can selectively emit light in the range of the visible light band to the ultraviolet light band, and emit light having a color inherent to the semiconductor material.

The light emitting device 330 may be a light emitting diode chip that emits red, green, or blue light, or a light emitting diode chip that emits ultraviolet light. Here, the light emitting diode may be a lateral type, a vertical type, a flip-chip type, a blue, a red, a yellow, or a green ) Light can be emitted.

A lens may be disposed on the light emitting element 330. The lens is arranged to cover the light emitting element 330. Such a lens can adjust the direction of light emitted from the light emitting device 330 or the direction of light. The lens may be formed to include a light transmitting resin such as a silicone resin or an epoxy resin. The light transmitting resin may include a phosphor dispersed wholly or partially. The shape of the lens may be, for example, a hemispherical cross-section or a convex or concave portion formed on a part thereof, but is not limited thereto.

When the light emitting element 330 is a blue light emitting diode, the phosphor included in the light transmitting resin may be a garnet (YAG, TAG), a silicate, a nitride, an oxynitride, Or a combination thereof.

Natural light (white light) can be realized by including only a yellow phosphor in the translucent resin. However, a green phosphor or a red phosphor may be further included to improve the color rendering index and reduce the color temperature.

When various kinds of phosphors are mixed in the light transmitting resin, the addition ratio of the phosphors may be more green series phosphors than red series phosphors, and yellow series phosphors may be used more than green series phosphors. YAG, silicate, and oxynitride systems of the garnet system may be used as the yellow phosphor, silicate system and oxynitride system may be used as the green system phosphor, and nitrides may be used as the red system phosphor. have. A layer having a red-based phosphor, a layer having a green-based phosphor, and a layer having a yellow-based phosphor may be separately formed in addition to a mixture of various kinds of phosphors in the translucent resin.

The connector 350 is disposed on the substrate 310. The connector 350 may be disposed on the lower surface of the substrate 310 although the connector 350 may be disposed on the upper surface of the substrate 310 as shown in the drawing. Hereinafter, the connector 350 will be described on the assumption that the connector 350 is disposed on the upper surface of the substrate 310.

The connector 350 may include a first connector 350a and a second connector 350b.

The first and second connectors 350a and 350b are disposed on the upper surface of the substrate 310 and adjacent to the holes 315 of the substrate 310. [ Specifically, the first and second connectors 350a and 350b may be disposed adjacent to the center hole 315a.

The first connector 350a and the second connector 350b may be disposed to face each other with respect to the center hole 315a. The first and second connectors 350a and 350b may be disposed around the center hole 315a together with the first and second auxiliary holes 315b-1 and 315b-2. 3 (a) and 3 (b), the first and second connectors 350a and 350b and the first and second auxiliary holes 315b-1 and 315b- The center hole 315a or the center hole 315a and surround the center hole 315a. The first auxiliary hole 315b-1 may be formed on the left side of the center hole 315a and the second auxiliary hole 315b-2 may be formed on the right side of the center hole 315a. The first connector 350a may be disposed on the upper side of the center hole 315a and the second connector 350b may be disposed on the lower side of the center hole 315a with respect to the center hole 315a.

Each of the first and second connectors 350a and 350b may be electrically connected to a printed circuit formed on the substrate 310, which is formed of a conductive material through which electricity is conducted, for example, a metal. For example, the first connector 350a may be connected to a first electrode (not shown) of the substrate 310, for example, a positive electrode. The second connector 350b may be electrically and mechanically connected directly to a second electrode (not shown), for example, a negative (-) electrode of the substrate 310.

The first and second connectors 350a and 350b may be electrically and mechanically connected to the first and second terminals 530a and 530b of the connection unit 500. Specifically, the first connector 350a may be mechanically coupled to the first terminal 530a to be electrically connected, and the second connector 350b may be mechanically coupled to the second terminal 530b to be electrically connected thereto .

Since the first connector 350a and the second connector 350b have the same shape, the shape of the first connector 350a will be described in detail below, and the description of the shape of the second connector 350b will be omitted do.

The first connector 350a may have an insertion groove 355a through which the end of the extension portion 533a of the first terminal 530a of the connection portion 500 is inserted. The first connector 350a and the first terminal 530a can be electrically and mechanically connected by fitting the end of the first terminal 530a into the insertion groove 355a.

The first connector 350a is provided with a blocking wall 352a for blocking the rotation of the first terminal 530a so that the end portion of the first terminal 530a inserted into the insertion groove 355a is correctly fitted into the insertion groove 355a 351a. The first connector 350a may include a first base plate 352a disposed below the blocking wall 351a and a second base plate 353a disposed on the blocking wall 351a. The first connector 350a may include a supporting plate 354a disposed between the first base plate 352a and the second base plate 353a and connected to one side of the blocking wall 351a.

Meanwhile, each of the first and second connectors 350a and 350b may be a non-conductive material that is not electrically conductive. For example, a resin material such as polycarbonate (PC). When the first and second connectors 350a and 350b are each made of a non-conductive material, the first and second connectors 350a and 350b are connected to the first and second terminals 530a and 530b of the substrate 310 and the connection portion 500, (Not shown) electrically and mechanically connected to the electrodes 530a, 530b. The lead electrode (not shown) will be described with reference to Fig.

FIG. 5A is a cross-sectional view of the first connector shown in FIG. 3, and FIG. 5B is a modification of the first connector shown in FIG. 5A.

Referring to FIG. 5A, the first connector 350a shown in FIG. 3 may include a lead electrode 356a. The lead electrode 356a may be disposed on the first base plate 352a. Specifically, the lead electrode 356a can be largely composed of three parts. The first part 356a-1 disposed on the lower surface of the first base plate 352a, the first part 356a-1 disposed on the upper surface of the first base plate 352a And a third part 356a-3 connecting the first part 356a-1 and the second part 356a-2 and passing through the first base plate 352a can do. The first part 356a-1 is electrically and mechanically connected directly to the substrate 310 shown in Fig. 2 and the second part 356a-2 is connected to the first terminal 530a of the connection part shown in Fig. May be electrically and mechanically connected directly to the extension portion 533a.

Referring to FIG. 5B, the second part 356a-2 'of the lead electrode 356a' is electrically connected to not only the upper surface of the first base plate 352a, but also the lower surface of the second base plate 353a / RTI > and / or the inner surface of the support plate 354a. When the second part 356a-2 'is disposed on the lower surface of the second base plate 353a or / and the inner surface of the support plate 354a, the extension part of the first terminal 530a of the connection part shown in FIG. 533a are widened, there is an advantage that more stable electrical connection is possible.

Referring again to FIGS. 1 to 4, the connection part 500 is disposed in the case 400. Specifically, the connection portion 500 may be disposed on the base 410 of the case 400. [ The connection unit 500 is electrically and mechanically connected to the light source unit 300. The connection unit 500 will be described in detail with reference to FIG.

6 is a cross-sectional view of the connection portion shown in Fig.

Referring to FIG. 6, the connection portion may include a base member 510 and first and second terminals 530a and 530b.

The first terminal 530a and the second terminal 530b are disposed on the base member 510 and the base member 510 is disposed between the first terminal 530a and the second terminal 530b and between the first and second terminals 530a and 530b. The electrical contact between the case 530a and 530b and the case 400 can be blocked.

The first terminal 530a and the second terminal 530b may be a conductive material capable of conducting electricity, for example, a metal.

The first terminal 530a may include a support portion 531a and an extension portion 533a.

The support portion 531a may include a lower portion and an upper portion. The lower portion of the support portion 531a may be coupled to the base member 510, and the upper portion may be coupled to the extension portion 533a. The lower portion of the support portion 531a may be surrounded by the base member 510. [

The supporting portion 531a may have an engaging groove 531a-1 that can be engaged with an external wire (not shown) or an electrode pin (not shown) provided with a power supply signal. The engaging groove 531a-1 may be disposed below the support portion 531a. A fixture (not shown) for fixing an external wire (not shown) or an electrode pin (not shown) in the coupling groove 531a-1 may be disposed in the coupling groove 531a-1.

The extension portion 533a may extend in one direction from the upper portion of the support portion 531a. Therefore, the support portion 531a and the extension portion 533a may have an L shape.

The end portion 533a-1 of the extension portion 533a can be fitted into the insertion groove 355a of the connector 350a shown in Fig. The connection part 500 and the light source part 300 can be electrically and mechanically connected by fitting the end part 533a-1 of the extension part 533a into the insertion groove 355a.

The second terminal 530b may also include a support portion 531b and an extension portion 533b. The structure of the supporting portion 531b and the extending portion 533b is the same as that of the supporting portion 531a and the extending portion 533a of the first terminal 530a, and a detailed description thereof will be omitted.

The support portion 531b of the second terminal 530b is disposed to be spaced apart from the support portion 531a of the first terminal 530a. The supporting portion 531b of the second terminal 530b has a base member 510 disposed between the supporting portions 531a of the first terminal 530a to electrically connect the second terminal 530b and the first terminal 530a Insulated.

The extended portion 533b of the second terminal 530b extends from the upper portion of the support portion 531b and extends in the direction opposite to the extending direction of the extended portion 533a of the first terminal 530a .

The distance between the end of the first terminal 530a and the end of the second terminal 530b is smaller than the distance between the first auxiliary inner peripheral surface 311a and the second auxiliary inner peripheral surface 311b shown in Fig. Accordingly, the first terminal 530a and the second terminal 530b can be inserted into the center hole 315a and the first and second auxiliary holes 315b-1 and 315b-2 shown in FIG. The distance between the end of the first terminal 530a and the end of the second terminal 530b is larger than the diameter of the center hole 315a shown in Figure 3 so that the distance between the first terminal 530a and the second terminal 530b 530b is inserted into the hole 315 and then changed in position by rotation, it is difficult to escape again through the center hole 315a.

1 to 4, the first and second terminals 530a and 530b are coupled to the holes 315 of the substrate 310 of the light source unit 300 and then are rotated by the rotation of the substrate 310 And is electrically coupled to the first and second connectors 350a and 350b of the light source unit 300 at the same time. This process will be described with reference to FIGS. 7 to 9. FIG.

7 to 9 are views for explaining a process of combining the light source unit 300 and the connection unit 500 of the illumination apparatus according to the first embodiment.

7 to 9, the case 400 is coupled to a predetermined member such as a ceiling or a wall before the light source unit 300 and the connection unit 500 of the illumination apparatus according to the first embodiment are combined. And the connection part 500 is assumed to be coupled with a wire or an electrode pin provided with an external power supply signal.

First, as shown in FIG. 7, the light source unit 300 is positioned below the case 400 and the connection unit 500. The upper surface of the substrate 310 faces downward and the hole 315 of the substrate 310 is positioned below the connection portion 500 so that the plurality of light emitting devices 330 of the light source unit 300 emits downward.

Next, as shown in FIG. 8, the light source unit 300 is coupled with the connection unit 500. The first and second terminals 530a and 530b of the connection unit 500 are inserted into the holes 315 of the substrate 310 of the light source unit 300 by moving the light source unit 300 in the direction of the connection unit 500, . The extended portions 533a and 533b of the first and second terminals 530a and 530b pass the hole 315 and the supporting portions 531a and 531b are positioned in the hole 315. [

9, the substrate 310 is rotated while the first and second terminals 530a and 530b of the connection part 500 are inserted into the holes 315 of the substrate 310 The first terminal 530a is coupled to the first connector 350a and the second terminal 530b is coupled to the second connector 350b. Concretely, the substrate 310 is rotated clockwise to push the end portion 533a-1 of the first terminal 530a shown in Fig. 6 into the insertion groove 355a shown in Fig. When the substrate 310 is rotated to about 90 degrees, the end portion 533a-1 of the first terminal 530a shown in Fig. 6 abuts against the blocking wall 351a shown in Fig. 3, (310) can no longer be rotated. In this state, the first terminal 530a is mechanically coupled to the first connector 350a and electrically connected thereto, and the second terminal 530b is mechanically coupled to the second connector 350b, Lt; / RTI >

The illumination device according to the first embodiment of the present invention is configured such that when the light source unit 300 is coupled with the connection unit 500, the light source unit 300 is mechanically coupled to the connection unit 500, It is possible to connect them not only mechanically but also electrically. Therefore, a wire or the like for electrically connecting the light source unit 300 and the connection unit 500 is unnecessary, and a rivet or bolt for connecting the light source unit 300 and the connection unit 500 mechanically is unnecessary.

The lighting apparatus according to the first embodiment is configured such that the light source unit 300 and the connection unit 500 are mechanically and electrically connected to each other by rotating the light source unit 300 in a state where the light source unit 300 is coupled to the connection unit 500 Can be separated. Therefore, there is an advantage that maintenance and repair are easy.

≪ Second Embodiment >

Fig. 10 is an exploded perspective view of the illumination device according to the second embodiment, Fig. 11 is an enlarged perspective view of B shown in Fig. 10, and Fig. 12 is an enlarged perspective view of only a connection portion shown in Fig.

10 to 12, the illumination device according to the second embodiment may include a cover part 100, a light source part 300 ', a case 400, and a connection part 500'.

In the lighting apparatus according to the second embodiment, the cover unit 100 and the case 400 are the same as the cover unit 100 and the case 400 shown in FIGS. 1 to 4, , The light source unit 300 'and the connection unit 500' will be described in detail below.

The light source unit 300 'includes a light emitting device 330. Here, the light emitting device 330 is the same as the light emitting device 330 of the light source unit 300 of the illuminating device according to the first embodiment shown in FIGS. 1 to 4, and a description thereof will be omitted.

The substrate 310 'may include at least one hole 315a', 315b '. Specifically, the substrate 310 'may include a first hole 315a' and a second hole 315b '. Is different from the substrate 310 according to the first embodiment in that the substrate 310 'has a first hole 315a' and a second hole 315b '.

The first hole 315a 'and the second hole 315b' are disposed at a central portion of the substrate 310 'and are spaced apart from each other. Further, each is formed to penetrate the upper surface and the lower surface of the substrate 310 '.

The first terminal 530a 'of the connection portion 500' is disposed in the first hole 315a 'and the second terminal 530b' of the connection portion 500 'is disposed in the second hole 315b'.

Each of the first hole 315a 'and the second hole 315b' may have a rectangular shape. However, the first hole 315a 'and the second hole 315b' may be polygonal, Circular or elliptical. Each of the first hole 315a 'and the second hole 315b' may have any shape as long as the support portions 531a 'and 531b' of the first and second terminals 530a 'and 530b' It is possible.

The substrate 310 'may include at least one electrode 317a, 317b. Specifically, the substrate 310 'may include a first electrode 317a and a second electrode 317b.

The first electrode 317a may be disposed on the upper surface of the substrate 310 'and may be disposed adjacent to the first hole 315a'. The first electrode 317a is mechanically and electrically connected to the first terminal 530a '. Specifically, the first electrode 317a directly contacts the switch portion 533a 'of the first terminal 530a'.

The second electrode 317b may be disposed on the upper surface of the substrate 310 'and adjacent to the second hole 315b'. The second electrode 317b is mechanically and electrically connected to the second terminal 530b '. Specifically, the second electrode 317b directly contacts the switch portion 533b 'of the second terminal 530b'.

The connection portion 500 'may include a base member 510 and first and second terminals 530a' and 530b '. The first and second terminals 530a 'and 530b' may be disposed on the base member 510 and spaced apart from each other. The base member 510 may be disposed on the base 410 of the case 400.

The first and second terminals 530a 'and 530b' are electrically connected to a wire (not shown) or an electrode pin (not shown) to which an external power supply signal is supplied.

The first terminal 530a 'may include a support portion 531a' and a switch portion 533a '.

The support portion 531a 'may be coupled to the base member 510 and fixed to the base member 510. Specifically, a lower portion of the support portion 531a 'may be disposed inside the base member 510 and coupled to each other, and an upper portion of the support portion 531a' may be disposed on the base member 510. [

The support portion 531a 'may include an elastic member (not shown) for pushing the switch portion 533a' outward. An elastic member (not shown) is disposed inside the support portion 531a 'and pushes the switch portion 533a' coupled to the support portion 531a 'out of the support portion 531a'.

The switch portion 533a 'is disposed in the support portion 531a'. Specifically, one portion of the switch portion 533a 'may be coupled to the inside of the support portion 531a', and the remaining portion may be disposed outside the support portion 531a 'by an elastic member (not shown).

When no external force is applied to the switch portion 533a ', the remaining portion of the switch portion 533a' is disposed outside the support portion 531a '. When a predetermined external force is applied, the remaining portion of the switch portion 533a' And is inserted into the support portion 531a 'according to the magnitude of the external force. Here, when the remaining portion of the switch 533a 'is completely inserted into the support 531a', the switch 533a 'may be connected to the switch 533a' without a predetermined external force acting on the switch 533a ' (Not shown) so as not to return to the previous state.

The switch unit 533a 'may be mechanically and electrically connected to the first electrode 317a of the substrate 310' of the light source unit 300 '. Specifically, one surface of the switch portion 533a 'is directly connected to the upper surface of the first electrode 317a, and the switch portion 533a' may be formed of a conductive material and electrically connected to the first electrode 317a .

The second terminal 530b 'may also include a support portion 531b' and a switch portion 533b '. The specific configurations of the support portion 531b 'and the switch portion 533b' are the same as those of the support portion 531a 'and the switch portion 533a' of the first terminal 530a 'described above.

13 to 15 are views for explaining a process of joining the light source unit 300 'and the connection unit 500' of the illumination device according to the second embodiment.

13 to 15, the case 400 includes a predetermined member such as a ceiling, a wall, or the like, before the light source unit 300 'and the connecting unit 500' of the illumination apparatus according to the second embodiment are combined. And the connection 500 'is assumed to be coupled to a wire or electrode pin provided with an external power supply signal.

First, as shown in FIG. 13, the light source unit 300 'is positioned below the case 400 and the connection unit 500'. At this time, the upper surface of the substrate 310 'faces downward so that the plurality of light emitting devices 330 of the light source unit 300' emits downward, and the first holes 315a 'and the second holes 315a' The first terminal 315b 'is located below the first terminal 530a' and the second terminal 530b 'of the connection portion 500'.

Next, as shown in FIG. 14, the light source unit 300 'is coupled to the connection unit 500'. More specifically, the light source unit 300 'is moved in the direction of the connection unit 500' so that the first holes 315a 'of the substrate 310' of the light source unit 300 ' 'And inserts the second terminal 530b' of the connection part 500 'into the second hole 315b'. In this process, a predetermined external force is applied to the switch portions 533a 'and 533b' of the first and second terminals 530a 'and 530b' and the switch portion 533a 'disposed outside the support portions 531a' and 531b ' , 533b 'into the support portions 531a', 531b 'in advance.

15, the first and second terminals 530a 'and 530b' of the connection part 500 'are connected to the first and second holes 315a' and 315b 'of the substrate 310' A predetermined external force applied to the switch portions 533a 'and 533b' is removed so that the remaining portions of the switch portions 533a 'and 533b' inserted into the support portions 531a 'and 531b' Return to the previous state. The remaining portions of the switch portions 533a 'and 533b' exposed to the outside of the supporting portions 531a 'and 531b' are connected to the first and second electrodes of the substrate 310 ' And is in direct contact with the second electrodes 317a and 317b. Accordingly, the first terminal 530a 'is mechanically coupled to the first electrode 317a and electrically connected thereto, and the second terminal 530b' is also mechanically coupled to the second electrode 317b At the same time, they are electrically connected.

As described above, the illumination device according to the second embodiment is configured such that when the light source unit 300 'is coupled with the connection unit 500', the light source unit 300 'and the connection unit 500' They can be connected together electrically as well as mechanically.

The illumination device according to the second embodiment does not require a wire or the like for electrically connecting the light source unit 300 'and the connection unit 500', and the light source unit 300 'and the connection unit 500' There is no need for a rivet or a bolt for connecting the same.

The illuminating device according to the second embodiment is characterized in that a predetermined external force is applied to the switch portions 533a 'and 533b' of the connecting portion 500 'while the light source portion 300' is coupled to the connecting portion 500 ' The light source unit 300 'and the connection unit 500' can be mechanically and electrically separated from each other. Therefore, there is an advantage that maintenance and repair are easy.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that various modifications and applications are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

100:
300, 300 ': Light source unit
400: Case
500, 500 ': Connection

Claims (10)

case;
A connection portion disposed in the case; And
And a light source unit disposed inside the case and coupled to the connection unit,
Wherein the light source portion includes a substrate having a hole, a plurality of light emitting elements disposed on an upper surface of the substrate, and a connector disposed on the substrate and disposed adjacent to the hole,
Wherein the connection portion includes a base member coupled to the case and a terminal disposed on the base member,
And the terminal is mechanically and electrically coupled to the connector when the substrate rotates after the terminal is inserted into the hole of the substrate. The method according to claim 1,
Wherein the hole of the substrate includes a center hole and an auxiliary hole connected to the center hole,
The connector is disposed adjacent to the center hole, and is spaced apart from the auxiliary hole by a predetermined distance,
The connector has an insertion groove,
The terminal includes a support portion that engages with the base member and an extension portion that extends from the support portion,
And an end of the extension of the terminal is inserted into the insertion hole of the connector by rotation of the substrate after being inserted into the auxiliary hole. 3. The method of claim 2,
Wherein the auxiliary holes include a first auxiliary hole and a second auxiliary hole arranged to face each other with respect to the center hole,
The connector includes a first connector and a second connector disposed to face each other with respect to the center hole and disposed adjacent to the center hole,
Wherein the terminal includes a first terminal for engaging with an insertion groove of the first connector and a second terminal for engaging with an insertion groove of the second connector. 3. The method of claim 2,
The terminal is made of a conductive material,
Wherein the support portion of the terminal has a coupling groove for engaging with a wire or an electrode pin to which an external power supply signal is provided. 3. The method of claim 2,
Wherein the connector includes a blocking wall that abuts an end of an extension of the terminal to block rotation of the substrate. 3. The method of claim 2,
The connector is constructed of a nonconductive material,
The connector includes a first base plate disposed on the substrate, a second base plate disposed on the first base plate, and a support plate disposed between the first base plate and the second base plate,
The connector includes a lead electrode including a first part disposed on a lower surface of the first base plate, a second part disposed on an upper surface of the first base plate, and a third part penetrating the first base plate , A lighting device. case;
A connection portion disposed in the case; And
And a light source unit disposed inside the case and coupled to the connection unit,
Wherein the light source portion includes a substrate having a hole, a plurality of light emitting elements disposed on an upper surface of the substrate, and an electrode disposed on an upper surface of the substrate and disposed adjacent to the hole,
Wherein the connection portion includes a base member coupled to the case and a terminal disposed on the base member,
Wherein the terminal includes a support portion coupled to the base member and a switch portion coupled to the support portion and inserted into the support portion outside the support portion by an external force,
Wherein the switch portion is mechanically and electrically coupled to the electrode when the switch portion is inserted into the support portion by the external force and the external force is removed after the terminal is inserted into the hole of the substrate. 8. The method of claim 7,
Wherein the holes of the substrate include a first hole and a second hole which are spaced apart from each other,
Wherein the electrode includes a first electrode disposed adjacent to the first hole and a second electrode disposed adjacent to the second hole,
Wherein the terminal comprises a first terminal for mechanically and electrically coupling with the first electrode and a second terminal for mechanically and electrically coupling with the second electrode. 8. The method of claim 7,
And the support portion of the terminal includes an elastic member for pushing the switch portion out of the support portion. 10. The method according to any one of claims 1 to 9,
And a cover portion coupled to the case and disposed on the light source portion.

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