KR20140134033A

KR20140134033A - Lighting apparatus

Info

Publication number: KR20140134033A
Application number: KR20130053632A
Authority: KR
Inventors: 김경현; 이돈희; 김상만
Original assignee: 엘지전자 주식회사
Priority date: 2013-05-13
Filing date: 2013-05-13
Publication date: 2014-11-21

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device using a light emitting device (LED), and more particularly, to a lighting device capable of easily changing a projection direction to realize various types of lighting environments.
According to an embodiment of the present invention, there is provided a light emitting device comprising: first and second light emitting panels each having a light emitting surface and a rear surface; and a second light emitting panel connecting the first light emitting panel and the second light emitting panel, An angle adjusting member for adjusting an angle of inclination of the surfaces of the first luminescent panel and the second luminescent panel, an electric device for supplying power to the first luminescent panel and the second luminescent panel, A first cable passing through the member; And a second cable passing through the angle adjusting member to electrically connect the front portion and the second luminescent panel.

Description

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device, and more particularly, to a lighting device capable of realizing various types of lighting environments.

In recent years, attempts have been made to use a light emitting device including a LED as a lighting device as a new light source to replace a conventional incandescent lamp or a fluorescent lamp. LEDs and other light emitting devices using semiconductors are small and have low power consumption. It is also possible to provide an advantage that the luminescent color and the luminescent pattern can be easily controlled.

However, since the light is projected in a specific direction due to the characteristics of the light emitting device, it is difficult to realize various illumination environments. Of course, a plurality of light emitting devices can be used to vary the direction of light projection. However, since the direction of light projection is limited to specific directions, it is also difficult to realize various illumination environments.

The illumination device may be used to provide uniform light to a particular space, or it may be used to provide light to a particular location intensively. However, the purpose and function of the lighting apparatus can not be limited depending on the structure of the lighting apparatus or the installation environment.

Therefore, there is a need to provide a lighting device that can meet various demands of the user for lighting environment as well as energy saving, and is easy to install.

SUMMARY OF THE INVENTION The present invention provides a lighting apparatus capable of variously changing the projection direction of light with respect to an illumination space.

It is another object of the present invention to provide a lighting device capable of realizing various lighting environments.

It is another object of the present invention to provide a lighting device capable of connecting a plurality of luminescent panels at various inclination angles.

It is another object of the present invention to provide a lighting apparatus which is easy to install and change a tilt angle.

It is another object of the present invention to provide a lighting device which is easy to be electrically connected to each luminescent panel, and thus has a beautiful appearance.

According to an aspect of the present invention, there is provided a liquid crystal display comprising: first and second luminescent panels each having a luminescent surface and a non-luminescent surface; and a second luminescent panel connecting the first luminescent panel and the second luminescent panel, An angle adjusting member for adjusting the inclination angle of the light emitting surfaces of the first and second luminescent panels, a front part for supplying power to the first luminescent panel and the second luminescent panel, A first cable passing through the angle adjusting member to electrically connect the panel; And a second cable passing through the angle adjusting member to electrically connect the front portion and the second luminescent panel.

The lighting device may further include a support member connecting the front end portion and the angle adjusting member and having the first and second cables drawn out respectively.

The supporting member may include a fixing bracket attached to the angle adjusting member, and a connecting rod fixed to the fixing bracket and the front portion, respectively. The first and second cables may have a portion of the first and second cables, Lt; / RTI >

The angle adjusting member may include a first connecting member mounted on the first luminescent panel and having a first toothed portion and a second toothed portion mounted on the second luminescent panel and having a second toothed portion engaged with the first toothed portion, 2 connecting member, and a shaft for maintaining the tilting angle of the first connecting member and the second connecting member.

The first and second connection members may be provided to connect neighboring short sides of the first luminescent panel and the second luminescent panel.

Further, the first cable may penetrate the first connecting member, and the second cable may penetrate the second connecting member.

The first and second luminescent panels may include a case, a circuit board disposed in the case, a plurality of LEDs mounted on the circuit board, a light guide layer surrounding the LED, A light emitting module including a reflective layer for reflecting the light into the light guide layer; And a diffusion member mounted on the case so as to surround the light emitting module.

The lighting device may further include a first wire connecting the first luminescent panel and the electric field part, and a second wire connecting the second luminescent panel and the electric field part.

The inclination angles of the light emitting surfaces of the first and second light emitting panels may be determined according to the lengths of the first wire and the second wire.

As described above, according to the lighting apparatus according to one embodiment of the present invention, it is possible to satisfy the aesthetic demand of the user as an apparatus for the interior rather than an apparatus for providing only illumination.

In addition, according to the illumination device related to one embodiment of the present invention, the direction of light projection to the illumination space can be variously changed, and various illumination environments can be realized.

In addition, according to the lighting apparatus according to an embodiment of the present invention, the plurality of luminescent panels can be connected at various inclination angles, and the installation and tilting angle can be easily changed.

Further, according to the lighting apparatus according to one embodiment of the present invention, electrical connection to each luminescent panel is easy, and therefore, it has a beautiful appearance.

FIG. 1 is a conceptual diagram for explaining an installation state of a lighting apparatus according to an embodiment of the present invention. FIG.
2 is a schematic perspective view of a lighting apparatus according to an embodiment of the present invention.
3 is a perspective view of an angle adjusting member constituting a lighting apparatus according to an embodiment of the present invention.
4 is an exploded perspective view of a luminescent panel constituting a lighting apparatus according to an embodiment of the present invention.
5 is a cross-sectional view of the state where each component of Fig. 4 is engaged.
6 is a conceptual diagram for explaining another installation state of a lighting apparatus according to an embodiment of the present invention.
FIG. 7 is a perspective view of a main portion of a lighting apparatus according to another embodiment of the present invention. FIG.
FIG. 8 is a perspective view of a state in which some components of FIG. 6 are coupled.

Hereinafter, a lighting apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

On the other hand, terms including an ordinal number such as a first or a second may be used to describe various elements, but the constituent elements are not limited by the terms, and the terms may refer to a constituent element from another constituent element It is used only for the purpose of discrimination.

Fig. 1 is a conceptual diagram for explaining an installation state of a lighting apparatus 1 according to an embodiment of the present invention. Fig.

The illuminating device 1 includes a plurality of luminescent panels 100 and 200 for providing illumination. Hereinafter, for convenience of explanation, the illuminating device 1 including the two luminescent panels 100 and 200 will be described as an example, and the first luminescent panel 100 and the second lustering panel 200 And the first luminescent panel 100 and the second luminescent panel 200 have the same structure.

The first and second luminescent panels 100 and 200 each have a light emitting surface and a non-light emitting surface, and the non-light emitting surface shows a surface other than the light emitting surface.

In one embodiment, when the light emitting surface is configured as a front surface of each of the light emitting panels 100 and 200, the non-light emitting surface may be a rear surface or a side surface of each of the light emitting panels 100 and 200, For example, the non-light emitting surface represents the back surface of each of the light emitting panels 100 and 200.

The illuminating device 1 according to an embodiment of the present invention includes first and second luminescent panels 100 and 200 each having a luminescent surface and a non-luminescent surface, a first luminescent panel 100, An angle adjusting member 300 for connecting the first and second light emitting panels 100 and 200 to each other and adjusting the tilting angle of the light emitting surfaces 101 and 201 of the first and second light emitting panels 100 and 200, And a front portion 400 for supplying power to the second luminescent panel 200.

The lighting device 1 includes a first cable 410 passing through the angle adjusting member 300 to electrically connect the front portion 400 and the first luminescent panel 100, And a second cable 420 passing through the angle regulating member 300 to electrically connect the second light emitting panel 400 and the second light emitting panel 200.

Hereinafter, each component will be described in detail with reference to the accompanying drawings.

At least two luminescent panels 100 and 200 are configured so that the direction in which light is projected, that is, the direction of providing illumination, can be changed relatively.

An angle adjusting member 300 for connecting the two light emitting panels 100 and 200 is provided for changing or adjusting the relative illumination direction between the two light emitting panels 100 and 200, Will be described later.

The electric power unit 400 supplies power to the light emitting panels 100 and 200 and includes an AC-DC converter for converting an external power source, for example, an AC power source to a DC power source .

A DC-DC converter (not shown) and a control unit for controlling the first and second luminescent panels 100 and 200 may be provided in the front unit 400. In addition, a communication unit (not shown) and a memory unit (not shown) may be provided in the control unit, respectively.

The user is able to control the on / off control, the dimming control and / or the color temperature control of the luminescent panels 100 and 200 through an external terminal (for example, a smart phone, a notebook computer, And can receive and confirm the status information of the lighting device 1. [

In addition, the memory unit may store schedule information related to the operation of the luminescent panels 100 and 200.

In addition, the front unit 400 may include at least one sensor for sensing the state of illumination space, and the sensor may include at least one of a temperature sensor, an illuminance sensor, and a human body sensor.

It goes without saying that the control unit can separately control the driving conditions of the first and second luminescent panels 100 and 200.

For example, the controller may control the dimming value of the first luminescent panel 100 and the dimming value of the second luminescent panel 200 to be different from each other, or the color temperature of the first luminescent panel 100 and the color temperature of the second luminescent panel 200 ) Can be controlled to be different from each other.

In addition, the front portion 400 includes a housing 401 that forms an outer appearance, and the housing 401 can be installed in a ceiling C of an illumination space.

The first luminescent panel 100 and the second luminescent panel 200 are respectively provided on the ceiling C of the illumination space and the second luminescent panel 200 are provided on the ceiling C of the illumination space. Spaced apart from each other. That is, the lighting device 1 may be a pendent lighting structure suspended from the ceiling C of the illumination space.

The lighting device 1 may further include a support member 500 connecting the tension member 400 and the angle adjusting member 300. Therefore, the first luminescent panel 100 and the second luminescent panel 200 may be spaced apart from the ceiling C of the illumination space by the support member 500, respectively.

The first cable 410 and the second cable 420 may be a general power cable or a data connection cable.

Accordingly, the first luminescent panel 100 and the second luminescent panel 200 can be supplied with only the external power through the first cable 410 and the second cable 420, Or exchange may be possible.

The first cable 410 and the second cable 420 may be provided on the luminescent panels 100 and 200, respectively. In order to facilitate the electrical connection between the front part 400 and each of the luminescent panels 100 and 200 in the process of connecting the plurality of luminescent panels 100 and 200 through the angle adjusting member 300 at various tilting angles, to be.

The first cable 410 may be connected to the front portion 400 by being drawn out to the outside through the rear surface 102 of the first luminescent panel 100 as described later.

Likewise, the second cable 420 may be connected to the front portion 400 by being drawn out to the outside through the rear surface 202 of the second luminescent panel 200, as described later.

The first luminescent panel 100 and the second luminescent panel 200 may be positioned symmetrically with respect to each other. In this case, the first luminescent panel 100 and the second luminescent panel 200 may have substantially the same shape, and the detailed configurations may be substantially the same.

Therefore, unless otherwise stated, the first and second luminescent panels 100 and 200 have the same structure. The same components included in both luminescent panels 100 and 200 will be shown or referred to by like reference numerals, and redundant descriptions are omitted in this case.

The direction of the light projected through the light emitting surfaces 101 and 201 of the light emitting panels 100 and 200 may be variously determined. For example, the direction of light projected from the light emitting surfaces 101 and 201 may be perpendicular to the light emitting surfaces 101 and 201, and light may be projected at a predetermined angle from the light emitting surfaces 101 and 201 It is possible.

In this document, the change of the direction of light projection to the illumination space or the provision of various illumination environments can be realized by connecting the plurality of luminescent panels 100 and 200 at various inclination angles. In particular, it can be implemented by adjusting or changing the tilting angles of the light emitting surfaces 101 and 201 of the plurality of light emitting panels 100 and 200.

The first luminescent panel 110 may include a light emitting surface 101 and a rear surface 102. The light emitting surface 101 may constitute the front surface of the first luminescent panel 100 and the rear surface 102 may constitute the rear surface of the first luminescent panel 100 in a direction opposite to the light emitting surface 101 .

Here, the light emitting surface 101 may be a surface that provides light to the outside by transmitting light, and the back surface 102 may be a surface that does not provide illumination (non-light emitting surface). The first and second luminescent panels 100 and 200 may have a rectangular shape and a relatively thin thickness.

1 (a), the tilting angles of the light emitting surfaces 101 and 201 of the first luminescent panel 100 and the second luminescent panel 200 may be formed at an obtuse angle with respect to the bottom of the illumination space .

Such an inclination angle may be suitable for a structure capable of illuminating a relatively wide area.

Referring to FIG. 1B, the tilting angles of the light emitting surfaces 101 and 201 of the first luminescent panel 100 and the second luminescent panel 200 may be formed at an obtuse angle with respect to the bottom of the illumination space .

Such an inclination angle may be suitable for a structure capable of intensively illuminating a relatively narrow area.

However, the present invention is not limited to this, and it is needless to say that the inclination angles of the light emitting surfaces 101 and 201 of the first luminescent panel 100 and the second luminescent panel 200 can be variously adjusted.

In addition, the first luminescent panel 100 and the second luminescent panel 200, which are connected to each other at a predetermined inclination angle, can satisfy the user's aesthetic demand as an element for the interior of the illumination space.

FIG. 2 is a perspective view of a lighting apparatus 1 according to an embodiment of the present invention, and FIG. 3 is a perspective view of an angle adjusting member 300 constituting a lighting apparatus according to an embodiment of the present invention.

Hereinafter, the angle adjusting member 300 and the supporting member 500 will be described in detail with reference to the accompanying drawings.

The angle adjusting member 300 may include a first connecting member 310 mounted on the first luminescent panel and a second connecting member 320 mounted on the second luminescent panel 200.

Referring to FIGS. 2 and 3, the first connection member 310 and the second connection member 320 may be connected to each other at a predetermined inclination angle. The first connecting member 310 is provided with a first toothed portion 311 and the second connecting member 320 is provided with a second toothed portion 321 engaged with the first toothed portion 311, May be provided.

Specifically, the first toothed portion 311 and the second toothed portion 321 may be provided on opposite surfaces of the first connection member 310 and the second connection member 320, respectively, so as to be engaged with each other.

In one embodiment, the first connecting member 310 and the second connecting member 320 may have symmetrical structures, and the first toothed portions 311 and the second toothed portions 321 may have the same pitch Respectively.

3, the first connection member 310 includes a first member 312 mounted on the first luminescent panel 100 and a second member 314 provided with a first tooth 311 .

In one embodiment, the first member 312 may have a rectangular parallelepiped shape, and the second member 314 may have a cylindrical shape.

Similarly, the second connection member 320 may include a first member 322 mounted on the second luminescent panel 200 and a second member 324 provided with a second toothed portion 321. The first member 322 may have a rectangular parallelepiped shape, and the second member 324 may have a cylindrical shape.

A through hole 313 is formed in the first member 312 of the first connection member 310 and a binding hole 315 is formed in the second member 314 of the first connection member 310 The first member 322 of the second connection member 320 is provided with a through hole 323 and the second member 324 of the second connection member 320 is provided with a coupling hole 325 may be provided.

The first member 312 of the first connecting member 310 and the first member 322 of the second connecting member 320 may be provided with first and second seating portions 316 and 326, have.

The second member 324 of the second connection member 310 may be seated in the first seating portion 316 of the first connection member 310 and the second member 324 of the second connection member 310 may be seated. 2 The second member 314 of the first connection member 310 may be seated in the seating portion 326. [

The first toothed portions 311 and the second toothed portions 321 are formed so that the light emitting surface 101 of the first luminescent panel 100 and the light emitting surface 201 of the second luminescent panel 200 have a predetermined inclination angle, The second member 324 of the second connection member 310 can be seated in the first seating portion 316 of the first connection member 310 and the second member 324 of the second connection member 310 can be seated, And the second member 314 of the first connection member 310 may be seated in the second seating portion 326. [

Meanwhile, the angle adjusting member 300 may include a separation preventing member for maintaining a tilting angle of the first connection member 310 and the second connection member 320.

The separation preventing member may include a first toothed portion 311 and a second toothed portion 311 so that the light emitting surface 101 of the first light emitting panel 100 and the light emitting surface 201 of the second light emitting panel 200 have a predetermined tilt angle, The first and second connection members 310 and 320 function to prevent the first and second connection members 310 and 320 from being separated from each other.

The separation preventing member may include a shaft 330 inserted into the first binding hole 315 of the first connecting member 310 and the second binding hole 326 of the second connecting member 320 .

The angle adjusting member 300 may be formed on the first luminescent panel 100 and the second luminescent panel 200 so as not to interfere with the luminescent surfaces 101 and 201 of the luminescent panels 100 and 200, As shown in Fig.

The first connection member 310 may be mounted on the rear surface 101 of the first luminescent panel 100 and the second connection member 320 may be mounted on the second luminescent panel 200. [ And is preferably mounted on the back surface 201.

Accordingly, the first connection member 310 and the second connection member 320 are provided so as to connect neighboring short sides of the first luminescent panel 100 and the second luminescent panel 200, respectively desirable.

The electrical connection between the first luminescent panel 100 and the front portion 400 and the electrical connection between the second luminescent panel 200 and the front portion 400 will be described in detail.

The first cable 410 may be drawn through the back surface of the first luminescent panel 100 and the second cable 420 may be drawn through the back surface of the second luminescent panel 200 desirable.

The first cable 410 and the second cable 420 may extend through the angle adjusting member 300 to the front portion 400.

Specifically, the first cable 410 is drawn through the first through hole 313 of the first connection member 310 to the front portion 400, and the second cable 420 is connected to the second connection member Through the second through-hole 323 of the front cover 400 and the front cover 400.

That is, after the first cable 410 passes through the back surface of the first luminescent panel 100, the first cable 410 passes through the first through hole 313 of the first connection member 310 and is led out to the front portion 400 side The second cable 420 passes through the back surface of the second luminescent panel 200 and then passes through the second through hole 323 of the second connecting member 320 to be connected to the front lug 400. [ As shown in Fig.

The first cable 410 and the second cable 420 are drawn into the support member 500 to be electrically connected to the electrical component 400. Therefore, since the lengths of the first cable 410 and the second cable 420 exposed to the outside can be reduced, a beautiful appearance can be produced.

The support member 500 includes a fixing bracket 510 mounted on the angle regulating member 300 and a connection rod 520 fixed to the fixing bracket 510 and the electromagnet 400 . At this time, the connecting rod 520 may be spaced apart from the angle adjusting member 300 by a predetermined distance.

The connection rod 520 may have a hollow portion along the longitudinal direction and the first cable 410 and the second cable 420 are positioned inside the connection rod 520, respectively.

The fixing bracket 510 includes a horizontal member 511 having an insertion hole 511a into which the connection rod is inserted and a fixing member 511 extending from both end portions of the horizontal member 511 toward the angle adjusting member 300 One vertical member 512 and a second vertical member 513. [

The shaft 330 may pass through the first vertical member 512 and the second vertical member 513.

That is, the shaft 330 functions to prevent the first vertical member 512 and the first connection member 310 from separating from the second connection member 320 and the second vertical member 513 . A first through hole (not shown) is formed in the first vertical member 512 and a second through hole (not shown) is formed in the second vertical member 513 so that the shaft 330 can pass therethrough. Not shown) may be provided.

The first vertical member 512 may be provided with a first bent portion 512a protruding toward the angle adjusting member 300 and the second vertical member 513 may be provided with the angle adjusting member 300, And a second bent portion 513a protruding from the first bent portion 513a.

The first bent portion 512a and the second bent portion 513b are formed in the fixing bracket 510 so that the first tooth portion 311 of the first linking member 310 and the second linking member 320 of the second linking member 320 The compressive force is applied in the direction in which the two tooth portions 321 approach. The compressive force prevents the first connection member 310 and the second connection member 320 from being separated from each other.

4 is a cross-sectional view of a light emitting panel 100 constituting an illumination device according to an embodiment of the present invention. FIG. 5 is a cross-sectional view of the light emitting panel 100 of FIG. And FIG.

As described above, since the first luminescent panel 100 and the second luminescent panel 200 include the same configuration and the same components, the first luminescent panel 100 will be described as an example.

The first luminescent panel 100 includes a case 110, a light emitting module 140, and a diffusion member 120.

The light emitting module 140 may include a circuit board 141 disposed inside the case 110 and a plurality of LEDs 142 mounted on the circuit board 141.

The light emitting module 140 includes a light guiding layer 143 and a light guiding layer 143 disposed on the circuit board 141 to surround the plurality of LEDs 142 to guide light emitted from the LEDs 142, And a reflective layer 147 provided on the light guide layer 143 for reflecting the light emitted from the LED 142 into the light guide layer 143.

The diffusion member 120 includes a light transmitting portion 121 for emitting light that has passed through the optical guide layer 143 to the outside and a light transmitting module 121 for emitting light from the light transmitting portion 121 to be mounted on the case 110. [ (Not shown).

The case 110 constitutes a back surface 102 of the first luminescent panel 100 and the diffusing member 120 constitutes a light emitting surface 101 of the first luminescent panel 100. That is, the case 101 constitutes a non-light emitting surface of the luminescent panel, and the diffusion member 120 constitutes a light emitting surface of the luminescent panel.

In addition, the case 110 may form an outer appearance of the surfaces of the first luminescent panel 100 except for the light emitting surface 101. To this end, one surface of the case 110 is opened, The diffusion member 120 may be mounted in the region.

A cover 160 may be coupled to both sides 113 of the short side of the case 110. The case 110 may have an engaging portion 112 May be provided.

The engaging portion 112 may have a shape protruding from the inner side surface 113 of the case 110. At this time, the diffusion member 120 can be attached to the case 110 by the coupling part 112.

On the other hand, the optical guiding layer 143 is provided on the circuit board 141 so as to surround the plurality of LEDs 142. The light guide layer 143 may be formed by laminating a transparent resin of a light transmitting material on the circuit board 141. According to this structure, the light guide layer 143 may have a receiving groove 144 in which a plurality of LEDs 142 are received.

The plurality of LEDs 142 may be configured to emit light along the lateral direction of the light guide layer 143 or may be configured to emit light along the thickness direction of the light guide layer 143 have.

Further, the thickness of the light guide layer 143 may be determined to be substantially equal to the thickness of the LED 142.

Meanwhile, the reflective layer 147 reflects part of the emitted light of the LED 142 into the light guide layer 143.

The circuit board 141 may be provided with a reflection pattern 150 for reflecting light incident on the light guide layer 143 again by the reflection layer 147 in the opposite direction.

In addition, the reflection pattern 150 may be composed of a scratch or a plurality of protrusions.

The diffusion member 120 may include a light transmitting portion 121 and a mounting portion 122. The diffusion member 120 may be mounted on the opened surface of the case 110 to receive light emitted from the first light emitting panel 110 The surface 101 can be constituted.

The mounting portion 122 may include a light transmitting portion 120 and a light guiding layer 143 so as to form a diffusion layer S having a predetermined refractive index and thickness between the light transmitting portion 120 and the light guiding layer 143 And performs a function of separating.

The mounting portion 122 may be provided on both sides of the back surface of the light transmitting portion 110 and the mounting portion 122 may include a body portion 123 and a groove portion 124 provided on the body portion 123, . &Lt; / RTI >

The body part 123 may extend in a direction perpendicular to the back surface of the light transmitting part 121 and the body part 231 may extend in contact with the light guide layer 143.

The body part 123 can position the light emitting module 140 inside the case 110 by closely contacting the light emitting module 140 to the bottom surface 114 of the case 110.

The engaging portion 112 protruding from the side surface 113 of the case 110 is inserted into the groove portion 124 of the mounting portion 120 so that the engaging portion 112 and the mounting portion 122 can be coupled to each other .

Meanwhile, the engaging portion 112 may have a shape extending along the inner side surface 113 of the case 110. The groove portion 124 is formed on a side surface of the body portion 123 in a shape corresponding to the engaging portion 112.

The coupling part 112 may extend integrally along the inner side surface 113 of the case 110 or be divided into a plurality of unit coupling parts 112 spaced apart at a predetermined interval.

FIG. 6 is a conceptual view for explaining another installation state of the lighting apparatus according to an embodiment of the present invention, FIG. 7 is a principal perspective view of a lighting apparatus according to another embodiment of the present invention, A perspective view of a state in which some components are combined.

6, the lighting device 1 includes a first wire 710 connecting the first luminescent panel 100 and the front portion 400, and a second wire 710 connecting the second luminescent panel 200 and the front portion 400. [ And a second wire 720 connecting the first wire 400 and the second wire 720 to each other.

The inclination angles of the light emitting surfaces 101 and 201 of the first and second luminescent panels 100 and 200 according to the lengths L1 and L2 of the first wire 710 and the second wire 720, Can be maintained.

When the first luminescent panel 100 and the second luminescent panel 200 are adjusted or changed at a predetermined tilt angle by the angle adjusting member 300 described above, the first wire 710 and the second wiper 720 perform a function of supporting the first luminescent panel 100 and the second luminescent panel 200 so as to maintain a predetermined tilt angle without being sagged.

The first wire 710 may be fixed to the back surface of the first luminescent panel 100 so as to prevent sagging of the luminescent panels 100 and 200 and to provide a beautiful appearance.

Referring to FIG. 6, as the first luminescent panel 100 has a rectangular shape, rotational momentum due to gravity acts as it goes farther from the angle adjusting member 300.

The first wire 710 may be disposed at a predetermined distance from the angle adjusting member 300 when the first wire 710 is provided on the back surface of the first luminescent panel 100.

Similarly, when the second wires 720 are provided on the rear surface of the second luminescent panel 200, the second wires 720 may be spaced apart from the angle adjusting member 300 by a predetermined distance.

On the other hand, depending on the lengths L1 and L2 of the first wire 710 and the second wire 720, the light emitting surfaces 101 and 201 of the first and second light emitting panels 100 and 200 are tilted The angle may be determined.

For this structure, the angle regulating member 600 related to the present embodiment may have a different structure from the angle regulating member 300 described with reference to FIGS.

3, the tilting angle of the first luminescent panel 100 and the second luminescent panel 200 is adjusted by the angle adjusting member 300 in the lighting apparatus 1 having the angle adjusting member 300 And the inclination angles of the light emitting surfaces 101 and 201 of the first and second light emitting panels 100 and 200 can be maintained by the first wire 710 and the second wire 720 .

7 and 8, the angle regulating member 600 may include a first rotating member 610, a second rotating member 620, and a separation preventing member 630.

When the first rotating member 610 and the second rotating member 620 are coupled by the separation preventing member 630, the angle adjusting member 600 is rotated in a direction in which the first rotating member 610 and the second rotating member 620 620 are held rotatable by the separation preventing member 630, respectively.

Specifically, the first rotating member 610 is mounted on the first luminescent panel 100, and specifically, on the rear surface 102 of the first luminescent panel 100. The first rotating member 610 may be provided with a first through hole 611.

The second rotary member 620 is mounted on the second luminescent panel 200 and specifically on the rear surface 202 of the second luminescent panel 200. In addition, the second rotating member 620 may be provided with a second through hole 621.

The first rotary member 610 and the second rotary member 620 may be provided so as to connect neighboring short sides of the first luminescent panel 100 and the second luminescent panel 200, desirable.

The separation preventing member 630 passes through the first through hole 611 and the second through hole 621 and the first rotating member 610 and the second rotating member 620 are separated from each other And the separation preventing member 630 may include a shaft that penetrates through the first through hole 611 and the second through hole 621, respectively.

The first cable 410 passes through the rear surface of the first luminescent panel 100 and then is drawn to the front portion 400 through the through hole 612 of the first rotating member 610, Likewise, the second cable 420 passes through the back surface of the second luminescent panel 200 and then is drawn out to the front portion 400 through the through hole 622 of the second rotating member 620 desirable.

The first cable 410 and the second cable 420 are electrically connected to the front portion 400 by being pulled out into the support member 500 as described above. Therefore, since the lengths of the first cable 410 and the second cable 420 exposed to the outside can be reduced, a beautiful appearance can be produced.

As described above, the lighting apparatus 1 includes a first wire 710 connecting the first luminescent panel 100 and the front portion 400, and a second wire 710 connecting the second luminescent panel 200 and the front And may further include a second wire 720 connecting the ledge 400.

The inclination angles of the light emitting surfaces 101 and 201 of the first and second luminescent panels 100 and 200 according to the lengths L1 and L2 of the first wire 710 and the second wire 720, Can be maintained and changed.

When the first luminescent panel 100 and the second luminescent panel 200 are adjusted or changed at a predetermined tilt angle by the angle adjusting member 600 described above, the first luminescent panel 100 and the second luminescent panel 200 The panel 200 is rotatably connected.

In this case, the first wire 710 and the second wiper 720 function to support the first luminescent panel 100 and the second luminescent panel 200 so that the first luminescent panel 100 and the second luminescent panel 200 can maintain a predetermined tilt angle without being sagged. .

Also, at the front portion 400, one or more length adjusting members 810 and 820 for adjusting the lengths of the first and second wires 710 and 720 may be provided.

The length adjusting member may include a first length adjusting member 810 and a second length adjusting member 820 to correspond to the first and second wires, respectively. When a plurality of length adjusting members are provided, the length of the wires 710 and 720 can be individually adjusted.

Each of the wires 710 and 720 may be wound or unwound on the length adjusting member in accordance with the direction of rotation of the length adjusting members 810 and 820. In one embodiment, The length L1 of the first wire 710 connecting the first luminescent panel 100 and the front portion 400 can be shortened.

When the first wire 710 is unwound from the first angle regulating member 810, the length L1 of the first wire 710 connecting the first luminescent panel 100 and the front portion 400 is It can be long.

In another embodiment, the length adjusting member may include a motor and a rotation shaft rotatable in both forward and reverse directions by the motor, and an operation unit for driving the motor.

In this case, it goes without saying that the length adjusting member can also be controlled through the external terminal described above. Accordingly, the user may control the illumination characteristics of the first luminescent panel 100 and the second luminescent panel 200 through the external terminal, or may control the inclination of the first luminescent panel 100 and the second luminescent panel 200 The angle can also be adjusted remotely.

For example, the first wire 710 is fixed on the rotation axis and a portion of the first wire 710 may be wound on the rotation axis or loosened from the rotation axis according to the rotation direction of the rotation axis, The length L1 of the first wire 710 connecting the ledge 400 can be adjusted.

8, the support member 500 may further include a decor cover 530 surrounding the fixing bracket 510, and the decor cover 530 may include the angle adjusting member 600 And preventing the cables from being observed from the outside, it is possible to provide a beautiful appearance design of the lighting apparatus.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

1: Lighting device
10: Terminal
100: first luminescent panel
200: second luminescent panel
300: Angle adjusting member
400: full book
500: support member

Claims

First and second luminescent panels each having a luminescent surface and a non-luminescent surface;
An angle adjusting member connecting the first luminescent panel and the second luminescent panel and adjusting an inclination angle of the light emitting surfaces of the first and second luminescent panels;
A power source for supplying power to the first luminescent panel and the second luminescent panel;
A first cable passing through the angle adjusting member to electrically connect the front portion and the first luminescent panel; And
And a second cable passing through the angle adjusting member to electrically connect the front portion and the second luminescent panel.

The method according to claim 1,
Further comprising a support member connecting the front portion and the angle regulating member and through which the first and second cables are drawn out, respectively.

3. The method of claim 2,
Wherein the electric field portion is provided on a ceiling of an illumination space,
Wherein the first and second luminescent panels are spaced apart from the ceiling by the support member.

3. The apparatus according to claim 2,
A fixing bracket mounted on the angle adjusting member;
And a connection rod fixed to the fixing bracket and the front portion, respectively,
Wherein the first and second cables are partially located within the connection rod.

2. The apparatus according to claim 1, wherein the angle-
A first connecting member mounted on the first luminescent panel and having a first toothed portion;
A second connecting member mounted on the second luminescent panel and having a second toothed portion engaging with the first toothed portion; And
And a shaft for maintaining the tilting angle of the first connecting member and the second connecting member.

6. The method of claim 5,
Wherein the first and second connection members are provided to connect neighboring short side portions of the first luminescent panel and the second luminescent panel to each other.

6. The method of claim 5,
The first cable passes through the first connecting member,
And the second cable penetrates the second connecting member.

The light emitting display according to claim 1,
case;
A plurality of LEDs mounted on the circuit board, a light guide layer surrounding the LEDs, and a reflective layer for reflecting the light emitted from the LEDs into the light guide layer, ; And
And a diffusion member mounted on the case so as to surround the light emitting module.

9. The method of claim 8,
Wherein the first and second cables penetrate through the case and the angle adjusting member in order, and are drawn out to the outside.

3. The method of claim 2,
A first wire connecting the first luminescent panel and the electric field part, and a second wire connecting the second luminescent panel and the electric field part,
And tilting angles of the light emitting surfaces of the first and second light emitting panels are adjusted according to the lengths of the first wire and the second wire.

11. The method of claim 10,
And a length adjusting member for adjusting the lengths of the first and second wires is provided on the front portion.

12. The method of claim 11,
Wherein each wire is wound or unwound on the length adjusting member in accordance with a rotation direction of the length adjusting member.

11. The method of claim 10,
2. The apparatus according to claim 1, wherein the angle-
A first rotary member mounted to the first luminescent panel and having a first through hole;
A second rotary member mounted on the second luminescent panel and having a second through hole; And
And a separation preventing member penetrating the first through hole and the second through hole to prevent the first rotating member and the second rotating member from being separated from each other.