KR20130009234A - Lighting device - Google Patents

Abstract

PURPOSE: A lighting device is provided to install a protective cover and an optical cover in a diffusion sheet, thereby diffusing lighting emitted from a plurality of light emitting diodes. CONSTITUTION: A housing(100) is composed of a material which effectively emits heat. A reflector is installed in the housing. The reflector includes a first reflector(200a) and a second reflector(200b). A light source unit(300) is installed in the center of an inside of the housing. The light source unit includes a connection member, a protective cover(360) and an optical cover(380). A power driving unit(400) is electrically connected to external power.

Description

LIGHTING DEVICE

Embodiments relate to a lighting device.

Light emitting diodes (LEDs) are a type of semiconductor device that converts electrical energy into light. The light emitting diode has advantages of low power consumption, semi-permanent life, fast response speed, safety and environmental friendliness compared to conventional light sources such as fluorescent and incandescent lamps. Accordingly, many researches for replacing the existing light sources with light emitting diodes have been conducted, and the light emitting diodes have been increasingly used as light sources for lighting devices such as various lamps, liquid crystal displays, electronic displays, and street lamps that are used indoors and outdoors.

An example of a conventional lighting device is disclosed in Korean Patent No. 10-0999407.

The embodiment provides a lighting device having a new structure.

The embodiment provides a lighting device that is easy to replace and assemble.

Embodiments provide a lighting device attachable to a conventional housing and with reduced manufacturing cost and weight.

The embodiment provides a lighting device that provides direct light and indirect light at the same time.

Illumination apparatus according to the embodiment, the housing; A reflector disposed inside the housing; And a light source part disposed at an inner center of the housing, wherein the light source part comprises: a body part; And an optical member disposed below the body portion, and a light emitting module may be disposed on a lower surface of the body portion.

In addition, the light source unit may be coupled to the housing detachably.

Lighting device according to another embodiment, the housing; A coupling member coupled to the inside of the housing; At least one reflector disposed between the housing and the coupling member; A light source part detachably coupled to the coupling member, wherein the light source part comprises: a body part; A connection member disposed on an upper surface of the body part and coupled to the coupling member; And an optical member coupled to the body portion, wherein a light emitting module is disposed on a lower surface of the body portion, and the optical member may be disposed to cover the light emitting module.

The coupling member may further include a first connection terminal, and the light source unit may further include a second connection terminal disposed on an upper surface of the body part and electrically connected to the first connection terminal.

In addition, the optical member may include a first surface facing a direction in which light of the light emitting module is emitted and a second surface facing the reflector, and the first surface may transmit and reflect light of the light emitting module.

Lighting device according to another embodiment includes a housing; An upper surface is coupled to the inside of the housing, the body portion having a light emitting module on the lower surface; And an optical member coupled to the body and disposed to cover the light emitting module, wherein at least a portion of an inner surface of the housing is coated with a reflective material, and the optical member has a direction in which light of the light emitting module is emitted. A first surface facing and a second surface facing the inner surface of the housing, a portion of the light of the light emitting module may be reflected from the first surface and irradiated toward the inner surface of the housing.

In addition, the upper surface of the housing may have a through hole, the upper surface of the body portion may have a connection groove corresponding to the through hole.

In addition, a clip is disposed on an inner surface of the housing, and a portion of the body portion may be fitted into an opening of the clip.

In addition, a first connection terminal disposed on the inner surface of the housing; And a second connection terminal disposed on an upper surface of the body part and electrically connected to the first connection terminal.

In addition, the body portion, the first body; A second body disposed on the side of the first body; And a coupling cap for coupling the first body and the second body, wherein a first light emitting module is disposed on a lower surface of the first body, and a second light emitting module is disposed on a lower surface of the second body.

In addition, a protective cover may be disposed between the body portion and the optical member.

In another embodiment, a lighting apparatus includes: a first body having a first light emitting module disposed on a bottom surface thereof; A second body disposed on a side of the first body and having a second light emitting module disposed on a bottom surface thereof; And an optical member coupled to the first body and the second body and disposed to cover the first light emitting module and the second light emitting module, wherein the optical member is arranged in a direction in which light of the light emitting module is emitted. A first surface facing away from the first body and the second body; And a second surface connecting the first body and the second body to the first surface, and a portion of the light of the light emitting module may be reflected from the first surface and pass through the second surface.

Lighting device according to another embodiment, the housing; A coupling member coupled to an inner surface of the housing and having an insertion groove and having a first connection terminal disposed in the insertion groove; At least one reflector disposed between the housing and the coupling member; A light source unit detachably coupled to the coupling member through the insertion groove and having a second connection terminal electrically connected to the first connection terminal, wherein the light source unit has a first light source module disposed on a lower surface thereof; 1 body; A second light source module disposed on a bottom surface thereof, the second body disposed on a side of the first body; A connection member disposed on upper surfaces of the first body and the second body and coupled to the coupling member; And a coupling cap coupling the first body and the second body. And an optical member disposed below the first body and the second body.

According to the embodiment can provide a lighting device having a new structure.

According to the embodiment can provide a lighting device that can be easily replaced and assembled.

According to the embodiment it is possible to provide a lighting device attachable to a conventional housing and reduced manufacturing cost and weight.

According to an embodiment, it is possible to provide a lighting device that provides both direct light and indirect light.

According to the embodiment, it is possible to provide a lighting device having improved light efficiency.

1 illustrates a perspective view of a lighting apparatus according to an embodiment.
2 is an exploded perspective view of the lighting apparatus according to the embodiment.
3 shows a cross-sectional view of a lighting apparatus according to an embodiment.
4A shows an exploded perspective view of the housing, reflector and coupling member of FIG. 3.
4B is an exploded perspective view of the coupling member shown in FIG. 3.
4C is an enlarged view of a region of the coupling member and the light source unit of FIG. 3.
5 and 6 illustrate perspective views of a light source unit according to an embodiment.
7 and 8 illustrate exploded perspective views of a light source unit according to an embodiment.
9 is an exploded cross-sectional view of a body part of the lighting apparatus according to the embodiment.
10 is an exploded perspective view of a connection member and a body of the lighting apparatus according to the embodiment.
11 shows a cross-sectional view of a lighting device according to a variant.
12 shows an exploded perspective view of a lighting apparatus according to a modification.
13 shows a cross-sectional view of a lighting device according to another modification.
14 shows an exploded perspective view of a lighting apparatus according to another modification.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the appended drawings illustrate the present invention in order to more easily explain the present invention, and the scope of the present invention is not limited thereto. You will know.

In addition, the reference to the top or bottom of each component will be described with reference to the drawings. In the drawings, the thickness or size of each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity. In addition, the size of each component does not necessarily reflect the actual size.

In the description of embodiments according to the present invention, it is to be understood that where an element is described as being formed "on or under" another element, On or under includes both the two elements being directly in direct contact with each other or one or more other elements being indirectly formed between the two elements. In addition, when expressed as "on" or "under", it may include the meaning of the downward direction as well as the upward direction based on one element.

[Example]

1 is a perspective view of a lighting device 1 according to an embodiment. 2 is an exploded perspective view of the lighting apparatus 1 according to the embodiment. 3 is a cross-sectional view of the lighting device 1 according to the embodiment. 4A is an exploded perspective view of the housing, the reflector, and the coupling member of FIG. 3. 4B is an exploded perspective view of the coupling member shown in FIG. 3. 4B is an enlarged view of an area of the coupling member and the light source unit of FIG. 3.

1 to 4C, the lighting apparatus 1 according to the embodiment includes a housing 100, a coupling member 110, a reflector 200, a light source 300, and a power driver 400.

1. Housing 100 and coupling member 110

The housing 100 may be formed in the form of a box that can accommodate the coupling member 110 and the reflector 200. The shape of the housing 100 may be rectangular when viewed from the outside, but is not limited thereto and may have various shapes.

The housing 100 may be formed of a material capable of effectively dissipating heat. For example, the housing 100 may be made of aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), titanium (Ti), molybdenum (Mo), tungsten (W), and gold. It may be formed of a metal such as (Au), platinum (Pt).

Connection grooves 107 may be formed on the side and / or upper surface of the housing 100 to electrically connect the power driver 400 to an external power source. The power driver 400 electrically connected to an external power source to control and adjust the electrical supply of the light source unit 300 may be disposed on the side and / or the top surface of the housing 100.

The housing 100 has an opening 101 so that light emitted from the light source 300 can be reflected by the reflector 200 and emitted.

On the other hand, when the lighting device 1 is installed on an external support member such as a ceiling or a wall surface, an insertion portion corresponding to the shape of the lighting device 1 is formed on the external support member, and the lighting device 1 is inserted into the insertion portion. And fixed.

The coupling member 110 may be coupled to an upper surface of the inner side of the housing 100. The coupling member 110 may be coupled to the housing 100 in various ways. For example, the coupling member 110 may be coupled to the housing 100 by coupling screws, adhesives, or the like.

Coupling member 110 may be formed to extend in the first direction on the upper surface of the housing 100. For example, the coupling member 110 may be formed to extend from one inner wall surface of the housing 100 to the opposite inner wall surface.

The reflector 200 is disposed inside the housing 100 and has a first side 210 that is fastened to the side of the housing 100 and a second side 220 that is fastened to the side of the coupling member 110.

The first groove 111 may be formed on the outer wall surface of the coupling member 110. The first groove 111 may be formed to extend in the first direction. The second side 220 of the reflector 200 may be inserted into the first groove 111.

The housing 100 and the coupling member 110 may be formed so that the reflector 200 can be detached.

A second groove 103 may be formed in the inner wall surface of the housing 100 into which the first side 210 of the reflector 200 can be inserted. The second groove 103 may be formed in one piece, or may be formed in plural.

The first side 210 of the reflector 200 is inserted into the second groove 103 of the housing 100, and the second side 220 of the reflector is inserted into the first groove 111 of the coupling member 110. As a result, the housing 100 and the coupling member 110 may fix and support the reflector 200.

In addition, the coupling member 110 may be formed so that the light source unit 300 is detachable.

Insertion grooves 112 may be formed in the middle portion of the coupling member 110. A portion of the light source unit 300 may be inserted into the insertion groove 112. Insertion groove 112 may be formed to extend in the first direction.

The third groove 113 may be formed on the inner wall surface of the insertion groove 112. The connection member 340 of the light source unit 300 may be inserted into the third groove 113. Accordingly, the third groove 113 may firmly couple the light source unit 300 to the coupling member 110. More detailed description of the coupling relationship between the light source unit 300 and the coupling member 110 will be described later.

The first connection terminal 120 may be formed in the middle portion of the insertion groove 112. When the light source unit 300 is inserted into the insertion groove 112, the first connection terminal 120 may be coupled to and electrically connected to the second connection terminal 330 of the light source unit 300. When the first connection terminal 120 and the second connection terminal 330 are connected, power and / or driving signals may be transmitted to the light source unit 300 through the first connection terminal 120 and the second connection terminal 330. Can be.

One or more first connection terminals 120 may be formed according to the design of the lighting device 1. A more detailed description of the first connection terminal 120 will be described later along with a detailed description of the second connection terminal 330.

In addition, the coupling member 110 may serve to directly discharge heat generated from the light source unit 300 or to the housing 100.

Coupling member 110 is preferably formed of a material that can effectively release and / or transfer heat. For example, the coupling member 110 may include aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), titanium (Ti), molybdenum (Mo), tungsten (W), It may be formed of a metal such as gold (Au), platinum (Pt).

2. Reflector 200

The reflector 200 may include a first reflector 200a and a second reflector 200b. The first reflector 200a and the second reflector 200b may be coupled to and separated from the housing 100 and the coupling member 110.

For example, when the second reflector 200b is coupled to the housing 100 and the coupling member 110, as shown in FIG. 2, the second side 220 of the second reflector 200b is coupled to the coupling member. It may be inserted into the first groove 111 of the 110, and may be coupled by inserting the first side 210 into the second groove 103 of the housing 100.

The second side 220 of the reflector 200 may be formed to have a step. The first side 210 of the reflector 200 may also be formed to have a step. In addition, one or more insertion ends may be formed on the first side 210. At least one insertion end that may be inserted into the second groove 103 may be formed at the first side 210 of the reflector 200. The second groove 103 may be formed to correspond to the shape of the insertion end.

The first reflector 200a and the second reflector 200b may have a parabolic surface and may be formed to extend in the first direction. Accordingly, the first reflector 200a and the second reflector 200b may form a parabola having two parabolic surfaces. However, the shape of the reflector 200 may be variously modified according to the desired illumination.

The reflector 200 may be formed of a metal material or a resin material having high reflection efficiency. For example, the resin material may include any one of PET, PC, and PVC resin. In addition, the metal material may include at least one of silver (Ag), an alloy including silver (Ag), an alloy including aluminum (Al), and aluminum (Al).

The surface of the reflector 200 may be coated with silver (Ag), aluminum (Al), white photo solder resist (PSR) ink, a diffusion sheet, or the like, or an oxide film may be formed by anodizing.

However, the material and the color of the reflector 200 are not limited, and this may be variously selected according to the lighting to be implemented by the lighting device 1.

3. Power drive unit 400

The power driver 400 may provide at least one of a power source and a driving signal when the power driver 400 is connected to the light source unit 300.

2 and 3, the power driver 400 may be installed on a space provided between the inner surface of the housing 100 and the parabolic reflector 200. That is, an empty space is formed between the reflector 200 and the corner portion of the housing 100 by the parabolic shape of the reflector 200, and the power driver 400 may be installed on the empty space.

The power driver 400 may convert AC power input from the outside into DC power and output the DC power.

The power driver 400 may be electrically connected to the light source 300 by a wire or a flexible printed circuit board (FPCB). For example, the wire or FPCB extends from the power driver 400, and is electrically connected to the first connection terminal 120 through a connection hole formed in the coupling member 110. By being electrically connected to the two connection terminals 330, the power source driving unit 400 and the light source unit 300 may be electrically connected.

4. Light source 300

The lighting device 1 includes a light source unit 300. The light source unit 300 may be disposed at the inner center of the housing 100 as shown in FIG. 1. In addition, the light source 300 may be detachably coupled to the coupling member 110.

5 and 6 are perspective views of the light source unit 300 according to the embodiment. 7 and 8 are exploded perspective views of the light source unit 300 according to the embodiment. 9 is an exploded cross-sectional view of a body portion of the lighting apparatus according to the embodiment. 10 is an exploded perspective view of a connection member and a body of the lighting apparatus according to the embodiment.

5 to 10, the light source 300 according to the embodiment includes a first body 310a, a second body 310b, a first light emitting module 320a, a second light emitting module 320b, and a second light source. And a connection terminal 330, a connection member 340, a protective cover 360, and an optical cover 380.

The first body 310a and the second body 310b have the same shape and form a body portion of the light source unit 300. The light source unit 300 may be formed to extend in the first direction, that is, along the longitudinal direction of the reflector 200.

1) First Body 310a and Second Body 310b

The light source unit 300 includes a first body 310a and a second body 310b on which the first light emitting module 320a and the second light emitting module 320b may be disposed, and include the first body 310a and the first body. 2 body 310b may be referred to as a body portion.

The first body 310a and the second body 310b may be shaped as shown in FIGS. 7 to 9. Since the first body 310a and the second body 310b have the same shape, the shape will be described below with reference to the first body 310a.

As shown in FIG. 9, the first body 310a may have a symmetrical shape, and thus, a member such as the first body 310a may be used without distinction between left and right. The left side and the right side of the first body 310a have an outer locking jaw 311 so that the optical cover 380 can be caught.

In addition, the left side and the right side of the first body 310a have side grooves 312 in the middle. When the first body 310a and the second body 310b are coupled side by side, the side groove 312 is an electrical connection through which wires connected from the first light emitting module 320a and the second light emitting module 320b pass. It functions as a passage.

The lower surface of the first body 310a has a mounting surface 313 on which the first light emitting module 320a may be mounted. On the seating surface 313, a substrate may be installed, and a plurality of light emitting diodes may be installed on the substrate, and the plurality of light emitting diodes may be connected to a power supply by the substrate.

The plurality of light emitting diodes may be selected to have various combinations, for example, among red, green, blue or white light emitting diodes emitting red, green, blue or white light. In addition, the plurality of light emitting diodes may be arranged in an array form.

In addition, an optical structure may be disposed on the plurality of light emitting diodes to adjust light distribution and color of light emitted from the plurality of light emitting diodes, and to implement emotional lighting having various luminance and colors as necessary.

The mounting surface 313 of the first body 310a has tab holes at predetermined intervals, and the first light emitting module 320a also has a screw hole corresponding to the position of the tap hole of the mounting surface 313 of the first body 310a. Have

Accordingly, the screw passes through the screw hole of the first light emitting module 320a and is coupled to the tap hole of the first body 310a, and the first light emitting module 320a is mounted on the seating surface 313 of the first body 310a. It can be fixed to.

In addition, the inner locking jaw 315 is disposed at both ends of the lower surface of the first body 310a, such that the protective cover 360 is fixed to the first body 310a.

The first body 310a also functions as a heat sink, and the lower surface of the first body 310a becomes a contact surface for receiving heat generated from the first light emitting module 320a.

The upper surface of the first body 310a has a connecting groove 316 connected from one end to the other end of the first body 310a. The upper portion of the connection groove 316 may be formed in a form corresponding to the connection portion 342 of the connection member 340 so that the connection member 340 is fitted. In addition, the lower portion of the connecting groove 316 has a thread, so that the first body 310a can be directly connected to the housing 100 through a screw or the like.

The connecting groove 316 of the upper surface of the first body 310a is formed to extend from one end to the other end of the first body 310a, thereby reducing the weight and manufacturing cost of the first body 310a, and connecting member as necessary. The position at which the 340 is attached to the first body 310a may be freely selected, and even if the first body 310a is directly coupled to the housing 100 through a screw or the like, the position of the screw coupling may be freely selected. To help.

On the other hand, as described above, the lower surface of the first body 310a is provided with a tab hole through which grooves do not continuously connect, which is formed with the first light emitting module 320a so that the first body 310a functions effectively as a heat sink. This is to increase the contact area.

Accordingly, the bottom surface of the first body 310a may form a tab hole, and the upper surface of the first body 310a may form a connection groove 316 extending from one end to the other end of the first body 310a.

2) Connecting member 340 and coupling cap (350)

The connection member 340 is disposed in the connection groove 316 of the upper surface of the first body 310a and the second body 310b, and is caught and fixed in the third groove 113 of the coupling member 110, thereby providing a light source unit ( It serves to bind 300 to the coupling member (110).

The connecting member 340 has a connecting portion 342 having a shape corresponding to the upper portion of the connecting groove 316 to be coupled to the connecting groove 316 of the first body 310a and the second body 310b, the coupling member The engaging jaw 344 is provided to be caught and fixed to the third groove 113 of the 110.

The connection member 340 may be fitted to the upper portion of the connection groove 316 of the first body 310a and the second body 310b and coupled by sliding. Since the connection grooves 316 of the first body 310a and the second body 310b are connected to each other in a straight line, the connection member 340 slides in a state of being fitted into the connection groove 316, and the first body 310a is connected. And a desired position of the upper surface of the second body 320b.

In addition, a spring 370 may be disposed between the vertical surfaces of the connection member 340. For example, the spring 370 may be an open '-' shape as shown in FIGS. 7 and 8, the vertical surface of the connecting member 340, the first body 310a and the second body 310b. It may be arranged to contact the upper surface of the).

The spring 370 may firmly couple the light source unit 300 to the insertion groove 112 of the coupling member 110 by providing an elastic force to the vertical surface of the connection member 340. The spring 370 may provide an elastic force to the vertical surface of the connecting member 340 in a direction away from the vertical surface of the connecting member 340.

That is, the spring 370 serves to push the vertical surface of the connecting member 340. Therefore, when the light source unit 300 is inserted into the coupling member 110, the connection member 340 coupled to the upper surfaces of the first body 310a and the second body 310b is applied by the spring 370. By the force, it can be firmly coupled to the third groove 113 of the coupling member (110).

Heat generated in the plurality of light emitting diodes is emitted by the body of the light source unit 300 or is coupled to the coupling member 340 through the connecting member 340 connecting the coupling member 110 with the first body 310a and the second body 310b. It can be delivered to 110 and released. Accordingly, the first body 310a and the second body 310b are preferably formed of a material capable of effectively dissipating heat.

For example, aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), titanium (Ti), molybdenum (Mo), tungsten (W), gold (Au), platinum It may be formed of a metal such as (Pt). In addition, irregularities are formed in a portion of the body of the light source unit 300, thereby effectively dissipating heat.

The first body 310a and the second body 310b may be coupled to each other by coupling the coupling cap 350 to one end thereof.

As shown in FIG. 9, first grooves 361 may be formed on one side surfaces of the first body 310a and the second body.

7 and 8, the coupling cap 350 may be formed with a through hole 355 disposed at a position corresponding to the first groove 361. The screws pass through the through hole 355 of the coupling cap 350 to be coupled to the first groove 361, whereby the coupling cap 350 is disposed on at least one side of the first body 310a and the second body 310b. It is fixed, and the first body 310a and the second body 310b may be coupled to each other.

3) the first connector 120 and the second connector 330

As shown in FIGS. 4B and 4C, a first connection terminal 120 for electrical connection with the light source unit 300 may be disposed at the central portion of the coupling member 110. The first connection terminal 120 may be electrically connected to the power driver 400 through a wire.

In addition, as illustrated in FIGS. 7 and 8, the second connection terminal 330 may be disposed on the first body 310a and the second body 310b for electrical supply to the light source unit 300.

The wire connected to the first light emitting module 320a and the wire connected to the second light emitting module 320b pass through the space between the first body 310a and the second body 310b, and thus, the first body 310a and the first light emitting module 320a. It may be connected to the second connection terminal 330 disposed in the center of the upper surface of the second body (310b).

As such, the space formed between the side grooves 312 of the first body 310a and the side grooves 312 of the second body 310b provides a space in which the wires can be placed, thereby providing an arrangement of the wires for electrical connection. To facilitate.

When the light source unit 300 is inserted into the coupling member 110, the second connection terminal 330 is coupled with the first connection terminal 120 formed in the space of the insertion groove 112 of the coupling member 110. 300 may be electrically connected.

Accordingly, the power driver 400 may provide a power source and / or a driving signal to the light source unit 300 through the first connection terminal 120 and the second connection terminal 330.

The first connection terminal 120 and the second connection terminal 330 may be a D-Sub connector, and if the first connection terminal 120 has a pin, the second connection terminal 330 has a hole, and the first connection When the terminal 120 has a hole, the second connection terminal 330 may have a pin so that the first connection terminal 120 and the second connection terminal 330 may be electrically and physically connected to each other.

4) Optical Covers (380)

Optical cover 380 is coupled to the side of the body portion consisting of the first body (310a) and the second body (310b), may be disposed below the first body (310a) and the second body (310b), the optical It can function as a member.

The optical cover 380 has a first surface facing a direction in which light of the first light emitting module 320a and the second light emitting module 320b disposed on the bottom surfaces of the first body 310a and the second body 310b is emitted. 383, a second surface 386 connecting the body portion and the first surface 383 to the reflector 200.

A portion of the light emitted from the first light emitting module 320a and the second light emitting module 320b may be reflected by the first surface 383 of the optical cover 380 and may pass through the second surface 386. Light passing through the second surface 383 is reflected by the reflector 200 to be emitted to the lower portion of the housing 100.

That is, the light emitted from the first light emitting module 320a and the second light emitting module 320b passes through the first surface 383 of the optical cover 380 to illuminate the illumination area as direct light, and at the same time, the optical cover 380. It is possible to shine indirect light into the illumination area through the reflection from the first face 383 and the reflector 200. In this way, the illuminating device 1 can provide indirect light while providing direct light.

Meanwhile, the protective cover 360 may be disposed between the body portion and the optical cover 380. The protective cover 360 may protect the first light emitting module 320a and the second light emitting module 320b from moisture that may be introduced into the light source unit 300.

The protective cover 360 may also function as an optical member, and may perform a function of uniformly dispersing light emitted from the first light emitting module 320a and the second light emitting module 320b.

The protective cover 360 and / or the optical cover 380 may include at least one of a lens, a diffusion sheet, and a phosphor luminescent film (PLF). The lens may include lenses having various shapes, such as a concave lens, a convex lens, and a condenser lens, depending on the design of the lighting device.

The diffusion sheet may evenly diffuse the light emitted from the plurality of light emitting diodes 312.

The photoexcited film (PLF) may be a film including a phosphor. Since the phosphor contained in the photoexcited film (PLF) is excited by the light emitted from the first light emitting module 320a and the second light emitting module 320b, the illumination device is the first light emitting module 320a and the second light emitting module. The first light emitted from the 320b and the second light excited by the phosphor may be mixed to implement emotional lighting having various colors.

For example, when the first light emitting module 320a and the second light emitting module 320b emit blue light, and the photoexcited film PLF includes a yellow phosphor excited by blue light, the illumination device is blue. Light and yellow light may be mixed to emit white light.

The protective cover 360 and / or the optical cover 380 may be easily replaced with any one of a lens, a diffusion sheet, and an optical excitation film according to a user's needs.

5. Desorption of the light source unit 300 and the coupling member 110

1) Combined process

The light source unit 300 may be coupled to the coupling member 110 to be detachable.

First, a first force F is applied to the connection member 340 disposed on the first body 310a and the second body 310b of the light source unit 300 to narrow the width between the connection members 340. . In this case, the first force F may be opposite to the direction of the elastic force applied by the spring 370.

When the first force F is not applied, the connecting member 340 is separated from each other by the elastic force provided from the spring 370, so that the light source 300 is inserted into the insertion groove 112 of the coupling member 110. Hard to insert into

While applying the first force F to the connection member 340, the light source unit 300 is inserted into the insertion groove 112 of the coupling member 110. After the coupling member 110 is inserted into the insertion groove 112, if the first force (F) is not applied, the distance between the connecting member 340 is further separated by the elastic force, the connection of the upper end of the light source 300 The engaging jaw 344 of the member 340 may be inserted into the third groove 113 formed in the inner surface of the insertion groove 112. Accordingly, the light source unit 300 may be coupled to the coupling member 110.

In addition, after the light source unit 300 is coupled to the coupling member 110, the spring 370 disposed between the coupling member 340 pushes the first body 310a and the second body 310b to each other, The connection member 340 may be more firmly coupled to the third groove 113.

In addition, a uniform pressure is continuously applied to the contact surface between the connection member 340 and the insertion groove 112 by the spring 370. Accordingly, heat generated from the light source 300 may be more efficiently conducted through the contact surface of the connection member 340 and the coupling member 110.

2) Separation Process

When maintenance of the light source unit 300 is required, the light source unit 300 may be separated from the coupling member 110.

When the light source unit 300 is separated from the coupling member 110, after the first force F is applied to the coupling member 340 to decrease the width between the coupling members 340, the light source unit 300 is coupled to the coupling member 110. Separate from (110).

[Modification example]

11 is a cross-sectional view of a lighting device 2 according to a modification, and FIG. 12 is an exploded perspective view of the lighting device 2 according to a modification.

In the description of the lighting device 2 according to one modification, the content overlapping with the above description will be omitted.

11 and 12, the lighting device 2 includes a housing 500, a body portion 700 coupled to the housing, a reflector 600 and a body disposed between the housing 500 and the body portion 700. It may include a protective cover 730 and the optical cover 740 coupled to the lower portion of the portion 700.

The inner surface of the housing 500 may be coated with a reflective material, so that the inner surface of the housing 500 may perform the function of the reflector 600 instead of the reflector 600 is disposed.

The clip 510 is disposed on the inner upper surface of the housing 500 of the lighting device 2. The clip 510 can be coupled to the housing 500 in a variety of ways. For example, the clip 510 can be coupled to the housing 500 by coupling screws, adhesives, or the like.

The clip 510 has an opening through which the body portion 700 can be inserted, and has extension jaws at one side thereof so that one side of the reflector 600 can be coupled. The body portion 700 is inserted into the opening of the clip 510 and fitted to the clip 510, thereby being coupled to the housing 500.

The body portion 700 of the modified example may have the same shape as the first body 310a or the second body 310b of the embodiment.

The light emitting module 710 may be disposed on the bottom surface of the body portion 700, and a protective cap 720 may be coupled to the side surface of the body portion. A protective cover 730 and an optical cover 740 may be disposed below the body portion 700.

11 and 12 illustrate a case in which the clips 510 are arranged in one line and the body 700 is one, the clip 510 is arranged in a plurality of lines and the body 700 is plural. Can be implemented.

A part of the light emitted from the light emitting module 710 is irradiated with direct light by the lower surface 743 of the optical cover 740, the other part is reflected from the lower surface 743 of the optical cover 740, the optical cover 740 Pass the side 746 of the. Light passing through the side surface 746 of the optical cover 740 is reflected by the reflector 600 is irradiated with indirect light.

FIG. 13 is a sectional view of a lighting device 3 according to another modification, and FIG. 14 is an exploded perspective view of the lighting device 3 according to another modification.

13 and 14, an upper surface hole 810 is disposed on an inner upper surface of the housing 800 of the lighting device 3.

The body portion 1000 of another modified example may have the same shape as the first body 310a or the second body 310b of the embodiment.

A connection groove 1016 extending from one end to the other end of the body part 1000 may be disposed on an upper surface of the body part 1000, and a thread may be formed below the connection groove 1016.

The upper surface of the body portion 1000 is disposed on the inner upper surface of the housing 800 so as to correspond to the upper hole 810 of the housing 800, and a screw penetrates through the upper hole 810 of the housing 800 to allow the body portion ( By being coupled to the connection groove 1016 of the 1000, the body portion 1000 can be fixed to the inner upper surface of the housing (800).

Coupling the body portion 1000 and the housing 800 through the screw coupling allows the body portion 1000 to be tightly coupled to the housing 800, thereby increasing the conductivity for dissipating heat from the body portion 1000. have.

The light emitting module 1010 may be disposed on a bottom surface of the body portion 1000, and a protective cap 1020 may be coupled to a side surface of the body portion. A protective cover 1030 and an optical cover 1040 may be disposed below the body portion 1000.

The optical cover 1040 may include a lower surface 1043 facing the light emitting direction of the light emitting module 1010 and a side surface 1046 facing the inner surface of the housing 800.

A part of the light emitted from the light emitting module 1010 is irradiated with direct light by the lower surface 1043 of the optical cover 1040, the other part is reflected from the lower surface 1043 of the optical cover 1040, the optical cover 1040 Pass through the side 1046. Light passing through the side surface 1046 of the optical cover 1040 is reflected by the reflector 900 is irradiated with indirect light.

As described above, those skilled in the art to which the present invention pertains will understand that the present invention may be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, the embodiments described above are to be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the following claims rather than the above description, and the meaning and scope of the claims And all changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

100, 500, 800: housing
110: coupling member
120: first connection terminal
200, 600, 900: reflector
300: light source
310a: first body
310b: second body
330: second connection terminal
400: power drive unit

Claims (15)

housing;
A reflector disposed inside the housing; And
A light source unit disposed at an inner center of the housing,
The light source unit includes:
A body portion; And
An optical member disposed under the body portion,
The light emitting module is disposed on the lower surface of the body portion,
Lighting device. The method of claim 1,
The light source unit is detachably coupled to the housing,
Lighting device. housing;
A coupling member coupled to the inside of the housing;
At least one reflector disposed between the housing and the coupling member;
A light source unit detachably coupled to the coupling member;
The light source unit includes:
A body portion;
A connection member disposed on an upper surface of the body part and coupled to the coupling member; And
An optical member coupled to the body portion,
A light emitting module is disposed on a lower surface of the body portion, and the optical member is disposed to cover the light emitting module.
Lighting device. The method of claim 3, wherein
The coupling member further includes a first connection terminal,
The light source unit may further include a second connection terminal disposed on an upper surface of the body part and electrically connected to the first connection terminal.
Lighting device. The method according to any one of claims 1 to 4,
The optical member includes a first surface facing a direction in which light of the light emitting module is emitted and a second surface facing the reflector,
The first surface transmits and reflects light of the light emitting module,
Lighting device. housing;
An upper surface is coupled to the inside of the housing, the body portion having a light emitting module on the lower surface; And
An optical member coupled to the body and disposed to cover the light emitting module;
At least a portion of the inner surface of the housing is coated with a reflective material,
The optical member includes a first surface facing a direction in which light of the light emitting module is emitted and a second surface facing an inner surface of the housing,
A part of the light of the light emitting module is reflected from the first surface is irradiated toward the inner surface direction of the housing,
Lighting device. The method according to claim 6,
The upper surface of the housing has a through hole,
The upper surface of the body portion has a connection groove corresponding to the through hole,
Lighting device. The method according to claim 6,
Clips are disposed on the inner surface of the housing,
A portion of the body portion fitted in the opening of the clip,
Lighting device. The method according to claim 6,
A first connection terminal disposed on an inner surface of the housing; And
It is disposed on the upper surface of the body portion, further comprising a second connection terminal electrically connected to the first connection terminal,
Lighting device. The method according to any one of claims 1 to 4 or 6 to 9,
The body portion
A first body;
A second body disposed on the side of the first body; And
It includes a coupling cap for coupling the first body and the second body,
The first light emitting module is disposed on the lower surface of the first body,
The second light emitting module is disposed on the lower surface of the second body,
Lighting device. The method according to any one of claims 1 to 4 or 6 to 9,
A protective cover is disposed between the body portion and the optical member.
Lighting device. A first body on which a first light emitting module is disposed;
A second body disposed on a side of the first body and having a second light emitting module disposed on a bottom surface thereof; And
An optical member coupled to the first body and the second body and disposed to cover the first light emitting module and the second light emitting module;
Wherein the optical member comprises:
A first surface facing a direction in which light of the light emitting module is emitted and spaced apart from the first body and the second body; And
A second surface connecting the first body and the second body and the first surface,
A portion of the light of the light emitting module is reflected from the first surface and passes through the second surface,
Lighting device. 13. The method of claim 12,
Further comprising a coupling cap for coupling the first body and the second body,
Lighting device. housing;
A coupling member coupled to an inner surface of the housing and having an insertion groove and having a first connection terminal disposed in the insertion groove;
At least one reflector disposed between the housing and the coupling member;
And a light source unit detachably coupled to the coupling member through the insertion groove and having a second connection terminal electrically connected to the first connection terminal.
The light source unit includes:
A first body on which a first light source module is disposed;
A second light source module disposed on a bottom surface thereof, the second body disposed on a side of the first body;
A connection member disposed on upper surfaces of the first body and the second body and coupled to the coupling member; And
A coupling cap coupling the first body and the second body; And
It includes an optical member disposed below the first body and the second body,
Lighting device. 15. The method of claim 14,
The optical member includes a first surface facing a direction in which light of the first light emitting module and the second light emitting module is emitted and a second surface facing the reflector,
The first surface transmits and reflects light of the light emitting module,
Lighting device.

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