KR101533507B1 - LED illumination device type corner - Google Patents

Abstract

The present invention relates to a corner portion of an LED lighting device that improves construction and assemblability. More specifically, the present invention provides a third support portion for supporting the LED module and the lighting means of the light guide plate inside the corner portion, And it is an object of the present invention to effectively cope with and protect the lighting means expanding or contracting according to the conditions.
The first and second support spaces 312 and 322, into which one end of each of the frames 200 are inserted, correspond to the edge portions of the flat-type LED lighting device for connecting and fixing neighboring frames. First and second support portions 310 and 320 formed to be respectively formed on the first and second support portions 310 and 320, respectively; A third support portion 330 configured to limit an insertion depth of the LED module 110 and the light guide plate 120; And a securing portion (340) for securing to the wall or ceiling; The third support part 330 includes a third support space 332 having a predetermined space and a light guide supporting part 332 formed on one side of the third support space 332 to limit the insertion depth of the light guide plate 120 334), and a module supporting piece (336) for limiting the insertion depth of the LED module (110).

Description

LED illumination device type corner ", " LED illumination device type corner "

The present invention relates to a corner portion of an LED lighting device that improves construction and assemblability. More specifically, the present invention provides a third support portion for supporting the LED module and the lighting means of the light guide plate inside the corner portion, And more particularly to an edge portion of an LED lighting device which improves the installation and assembling property to effectively protect the lighting means that expands or shrinks according to conditions.

In general, an LED (light-emitting diode) is a type of semiconductor device that converts electric energy into light energy by utilizing the characteristics of a semiconductor made of a specific compound. Since the light is very small in power consumption because of high light- It is suitable for downsizing, thinning, and light weight, but can be extended infinitely, has a long semi-permanent lifetime, does not have thermal or discharge luminescence, requires no preheating, has a very fast response speed and has a very simple lighting circuit.

In addition, since no discharge gas or filament is used, it is advantageous in that it has a high impact resistance, is safe, has few causes of environmental pollution, can perform high-repetition pulse operation, is less fatigue of the optic nerve, and can realize full color .

Accordingly, it is possible to provide a light source for a back light of a liquid crystal display (LCD) such as a cellular phone, a camcorder, a digital camera and a personal digital assistant (PDA), a traffic light, an electric signboard, a vehicle headlight and a taillight, Light for display panel, light for display panel, nighttime illumination for remote control or surveillance camera, infrared communication, and red pixel (pixel) for outdoor display boards, information display boards for ultra-precision display boards, and indoor and outdoor lighting applications.

Particularly, since the high brightness LED which is a general problem of the conventional LED and which solves the problem of low brightness is commercially available on a commercial scale, its use and usage are rapidly expanding.

As shown in FIG. 1, the LED lighting lamp includes at least one PCB module 10, 10b in which a plurality of light emitting diodes 10a are mounted, and at least one PCB module 10, 10b. A case 20 in which an opening 20b for emitting light generated from the LED 10a is formed on an upper portion of the inner bottom surface 20a and an AC power source supplied from an external power source And a converter 30 (30a) for supplying the electric power to the electric motors 10 and 10b.

In order to maximize the luminous efficiency, a reflector made of aluminum, steel plate, stainless steel or anodizing is formed in the case 20.

In order to easily discharge the heat generated from the light emitting diode 10a mounted on each of the PCB modules 10 and 10b to the outside on the outer surface of the case 20, And the paint 20c is applied.

The case 20 is made of a material such as steel, aluminum, aluminum die casting, cast iron, stainless steel or the like in order to further improve thermal conductivity. The high-conductivity paint 20c has a light- Is applied to the outer surface of the case 20 excluding the inner surface of the case 20 on which the PCB modules 10 and 10b are installed.

The converters 30 and 30a are respectively provided on the upper and lower sides of the converter housing 30a made of a plastic material so as to be fitted into the coupling grooves 20d formed on the side surface of the case 20, Is formed.

Thus, when the converters 30 and 30a are passed in the direction parallel to the engaging groove 20d, the engaging groove 20d is pushed by the upper and lower ends of the engaging groove 20d, Pass through.

Then, when the converter 30 passes the engagement groove 20d until the stopper 30c having a cross-sectional area wider than the engagement groove 20d, the engagement protrusion 30b returns to the original position due to the elasticity inherent in the plastic material The upper and lower ends of the engaging groove 20d are fitted between the fitting protrusion 30b and the stopper 30c.

However, the conventional illumination lamp assembly has an integral coupling structure which is not suitable for coupling the PCB module 10, 10b to the case or for coupling the light guide plate. That is, the case is integrally formed, and the PCB or the light guide plate assembled in the case must be combined with the case using the coupling member.

As a result, the assembling process becomes complicated and the operation time is prolonged due to the addition of the process, and the PCB or the diffusion member can not be assembled to the case due to the defective coupling member.

In addition, in order to replace the LED, both the case and the safety device are removed, and the whole PCB is replaced, and then the assembling process as described above is performed.

Further, the case is formed in a flat surface, which has a problem in that heat radiation effect of the LED is limited.

Particularly, there is a safety problem that an edge portion of a frame constituting a conventional case is formed at right angles, and an operator may be injured during handling.

In addition, the conventional corner portion can not effectively cope with the expansion or contraction of the LED module or the light guide plate according to external environmental conditions, thereby causing deformation.

In addition, the conventional flat-type lighting apparatus has a structure in which a plug for simply inserting the fastening means is not inserted into the wall or ceiling when installed on a wall or a ceiling, so that the cap easily falls off from the corner portion due to external vibration or impact There is a problem.

Korean Patent Publication No. 1184977 (issued on October 2, 2012) Korean Patent Publication No. 1252761 (published on April 11, 2013) Registered Utility Model No. 469007 of the Republic of Korea (Announced on September 11, 2013)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and provide an LED module and a light guide plate, And to provide a corner portion of the LED lighting device which improves the workability and assemblability of the LED lighting device so as to effectively cope with and protect the means.

It is another object of the present invention to provide a corner portion of an LED lighting apparatus which is formed by forming a circumferential edge of a corner portion into a streamlined curved portion so as to improve workability and assemblability so that an operator is not injured during handling.

It is still another object of the present invention to provide an airbag device comprising a cap having a fastening member at a position spaced apart from a fastening member by a fastening means and a fastening member and a fastening member fastened to the fastening member, And to provide a corner portion of the LED lighting device which can improve the installation and assembling performance of the closure member so as to stably and firmly fix the closure member and prevent the closure member from being easily separated by vibration or impact acting on the outside.

It is a further object of the present invention to provide a method and apparatus for fixing a lighting device with a wire having a certain length to a fixed portion so as to be spaced apart from a ceiling at a predetermined distance to prevent a vibration or an impact such as an earthquake from being directly transmitted to the lighting device In the LED lighting device according to the present invention.

According to an aspect of the present invention, there is provided a lighting device for a flat-panel-type LED lighting device for connecting and fixing neighboring frames, wherein first and second support spaces into which one ends of the frames are inserted are formed correspondingly First and second supporting portions; A third support configured to limit an insertion depth of the LED module and the light guide plate; And a securing portion for securing to the wall or ceiling; The third support part includes a third support space having a predetermined space, a light guide holding part formed at one side of the third support space to limit the insertion depth of the light guide plate, and a module support And the like.

In the present invention, it is preferable that the light-guiding holding piece and the module supporting piece of the third supporting portion are configured to be spaced apart from each other by a predetermined distance so that the LED module or the light guiding plate can be effectively accommodated by a displacement amount that expands or contracts due to external environmental conditions Do.

In the present invention, it is preferable that the third supporting portion further includes a reinforcing rib which reinforces the spacing between the light guide piece and the module supporting piece.

In the present invention, each of the first and second support portions includes first and second support spaces; First and second support protrusions formed at one side of the first and second support spaces and inserted into a part of the frame to exert a supporting force; And first and second fastening holes for fastening the frame through fastening means.

According to the present invention, the fixing portion includes: a fastening member for exerting a fixing force so that the fastening means is inserted and fixed to the wall or the ceiling; A closing member spaced apart from the coupling member by a predetermined distance; And a cap which is fastened after one end is inserted into the closure member so that the fastening means inserted into the fastening member from outside is not identified.

In the present invention, the cap has a head portion to be brought into close contact with the outer periphery of the corner portion; And at least one locking protrusion extending from the head portion and inserted into the closing member and being formed at an end of the locking protrusion so as to be hooked to one end of the closing member.

In the present invention, at the corner portion, at least one wire having one end fixed to the fixing portion and the other end fixed to the ceiling is fixed with a connecting member for preventing vibration or impact from being directly transmitted to the lighting apparatus ; ≪ / RTI >

In the present invention, the connecting member may include a nut provided on the fixing portion, a mood bolt provided on the outer periphery of the corner portion, and a fixing screw having one end fastened to the nut to fix the mood bolt to the outer periphery of the corner portion A support; A tubular body having a female thread formed on an inner side thereof so as to be coupled to the mud bolt of the support and having a through hole through which the wire passes; And a support plate fixed to an end of the wire to prevent a wire provided on the inner side through the through hole of the tube from being arbitrarily disengaged.

According to the present invention, by providing the third support portion for supporting the LED module and the lighting means of the light guide plate on the inner side of the corner portion, there is an effect of effectively protecting and corresponding to the illumination means expanding or contracting according to the external environmental conditions.

Further, by forming the outer periphery of the corner portion into a streamlined curved portion, there is an effect that the operator is not injured in handling.

In addition, by constituting the cap with the closure member and the closure member which is provided with the closure member at a position spaced apart from the closure member by a predetermined distance from the fixed portion of the corner portion by a distance from the closure member, So that it is possible to prevent the detachment due to external vibration or shock.

In addition, there is an effect of preventing vibration or shock such as an earthquake from being directly transmitted to the lighting apparatus by fixing the lighting apparatus to the fixing unit such that the lighting apparatus is spaced apart from the ceiling by a predetermined distance.

1 is a perspective view of a conventional flat type LED lighting apparatus.
2 is a bottom perspective view of a flat panel LED lighting device according to the present invention.
FIG. 3 is a partially exploded perspective view showing a combined state of the frame according to the present invention. FIG.
4 is a perspective view showing a state where a frame and a part of lighting means are inserted into a corner portion according to the present invention.
5 is a side cross-sectional view showing a state where a frame is coupled to a corner portion according to the present invention.
6 is a sectional view taken along the line VI in Fig.
7 is a sectional view taken along line VII of Fig.
8 is a sectional view taken along the line VIII in Fig.
9 is an enlarged view of a main part of a corner portion according to the present invention.
Fig. 10 is a cross-sectional view of the concave portion in Fig. 9; Fig.
11 is a partially enlarged perspective view showing a coupling relationship through another fastening means of a corner portion of the present invention;
Fig. 12 is an enlarged cross-sectional view of the main portion in a state where the fastening means is coupled to the corner portion in Fig. 11; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings (the same reference numerals are used for the same components as the conventional ones, and a detailed description thereof will be omitted).

2, the LED lighting apparatus includes a lighting unit 100, a frame 200 configured to support an outer periphery of the lighting unit 100, And a converter fixing device 400 for fixing the converter 500 mounted on one side of the frame 200. The converter fixing device 400 includes:

The illumination unit 100 includes an LED module 110 mounted with LEDs to emit light by an external power source and a light guide plate 120 uniformly illuminating light emitted from the LED module 110, .

The light guide plate 120 is composed of a transparent acrylic panel of PMMA resin and a reflector sheet attached to one side of the acrylic panel.

3, the LED module 110 is formed along the longitudinal direction of the frame 200 configured to support the outer periphery of the illumination means 100, So that the light reflected by the reflective sheet of the light guide plate 120 is illuminated by being projected inward from the outer edge of the light guide plate 120.

The frame 200 is a means for supporting and fixing the outer periphery of the lighting means 100. [

The corner portion 300 is a means for forming frames of the illumination device by interconnecting and supporting the neighboring frames 200.

The converter fixing device 400 may be formed at one side of the frame 200 to allow the converter 500 to be easily seated and detached, and the converter 500 can be easily detached .

2 and 4, the edge portion 300 of the present invention includes first and second support portions (first and second support portions) 300 and 300 formed at positions corresponding to each other so that one end of each of the adjacent frames 200 is inserted and supported 310) < / RTI > The illumination device is generally formed in a rectangular shape so that the first and second supporting portions 310 and 320 of the corner portion 300 are positioned at a right angle.

The first and second support portions 310 and 320 are formed at the outer peripheral edge of the corner portion 300 so that the first and second support portions 310 and 320 It is preferable to form a streamlined curved portion 311 such as rounding in the direction. This is because, when the outer periphery of the corner portion 300 is formed in a right angle, it is preferable to form the curved portion 311 in order to solve this problem because an operator may be injured by careless handling.

The LED module 110 of the illumination means 100 and the third support portion 330 for supporting the light guide plate 120 are formed inside the corner portion 300.

In addition, a fixing portion 340 is formed at one side of the corner portion 300 to fix the wall or the ceiling through a fastening means.

4 and 5, each of the first and second support portions 310 and 320 has first and second support spaces 312, each having a predetermined depth, into which one end of the frame 200 is inserted, (322).

The first and second support spaces 312 and 322 are inserted into one side of the frame 200 inserted into the first and second support spaces 312 and 322, And the first and second support protrusions 314 and 324 are configured to amplify the fixing force of the first and second support protrusions 314 and 324. A chamfer or rounding is formed at the ends of the first and second support protrusions 314 and 324 so as to be easily inserted into a part of the frame 200.

In this case, the first and second support protrusions 314 and 324 are inserted into the coupling grooves 238 of the frame 200 to support and fix the frame 200.

The first and second support portions 310 and 320 are fastened by fastening means to amplify the fixing force of the frame 200 inserted into the first and second support spaces 312 and 322. [ The first and second fastening holes 316 and 326 are formed.

The third support portion 330 is formed inside the corner portion 300 to limit the insertion depth of the LED module 110 and the light guide plate 120 to be inserted while being guided by the frame 200.

4, the third support part 330 includes a third support space 332 forming a space for inserting the illumination means 100, and a second support space 332 formed in the third support space 332, A module support piece 336 formed in the third support space 332 to limit the depth of insertion of the LED module 110 and a light guide support member 336 for limiting the insertion depth of the LED module 110, And a reinforcing rib 338 for supporting the distance between the piece 334 and the module supporting piece 336.

4 and 6, the light guiding support piece 334 is formed in the third support space 332 and has an insertion depth of the light guide plate 120 inserted into the third support space 332 . The light guide plate intermittent groove 335 is formed at one end of the light guide plate 334 so that the outer circumferential edge of the light guide plate 120 is closely contacted to limit the insertion depth.

The light guiding support piece 334 may be formed to have a predetermined thickness so that a part of the light guiding plate 120 is closely adhered without the entire thickness of the light guiding plate 120 being closely adhered. This is because the light guide plate 120 effectively responds to external environmental conditions such as heat emitted from the LED module 110 or an expansion or contraction action according to environmental conditions in which the lighting apparatus is installed.

That is, when the light guide plate 334 is closely attached to the entire thickness of the light guide plate 120, the light guide plate 120 affects the entire light guide plate 334 by an amount of displacement that causes the light guide plate 120 to expand or contract There is a problem that deformation may occur in the light guide supporting piece 334. However, when the light guide plate 334 is in close contact with a part of the thickness of the light guide plate 120 as in the present invention, even if the light guide plate 120 is expanded or contracted, The light guide holder 334 is prevented from being deformed.

4 and 8, the module supporting piece 336 is inserted into the third supporting space 332 and is inserted into the third supporting space 332, so that the insertion of the LED module 110 inserted into the third supporting space 332 Limit the depth. A module intermittent groove 337 is formed at one end of the module supporting piece 336 so that an outer circumferential edge of each LED module 110 guided to a neighboring frame 200 is closely contacted to limit an insertion depth.

It is preferable that the module supporting piece 336 is formed to have a predetermined thickness so that a part of the LED module 110 is in close contact with the entire thickness of the LED module 110. This is to effectively cope with expansion or contraction by the heat emitted from the LED module 110.

That is, when the module supporting piece 336 is closely attached to the entire thickness of the LED module 110, the entirety of the module supporting piece 336 is affected by an amount of expansion or contraction of the LED module 110 There is a problem that deformation may occur in the module supporting piece 336. [ However, when the module supporting piece 336 is closely attached to a part of the thickness of the LED module 110 as in the present invention, even if the expansion or contraction action of the LED module 110 occurs, So that deformation of the module supporting piece 336 is prevented from being generated.

The module support piece 336 is preferably formed at a lower portion to support one side of the light guide plate 120 inserted into the third support space 332 as shown in FIG. In this case, it is preferable that the light guide supporting piece 334 is formed at a position spaced apart from the module supporting piece 336 located below.

The module support piece 336 supports one side of the light guide plate 120 so that the light emitted from the LED module 110 is projected by the space between the frame 200 and the corner 300, Prevent it from being counted as a gap.

4 and 7, the reinforcing rib 338 is formed in the third support space 332 and is spaced apart from the light guide supporting piece 334 by a predetermined distance In order to maintain the state of being maintained.

The fixing portion 340 is formed on one side of the corner portion 300 and is used to fix the lighting device to a place such as a wall or a ceiling.

9, the fixing portion 340 includes a fastening member 342 formed at one side of the corner portion 300 and a closing member 344 formed at one side of the fastening member 342. [ And a cap 346 inserted into the closure member 344 to prevent the fastening member 342 from being externally identified.

9 and 10, the fastening member 342 is a space into which fastening means such as a direct-coupling screw or a stay bolt used for fixing to a wall, a ceiling, or the like is inserted. It is preferable that the fastening member 342 is formed to correspond to the shape of the fastening means. For example, as shown in FIG. 10, when the plate head bolt is used, a plate-like hole is formed so that the plate head can be inserted into the fastening member 342.

The closing member 344 is formed at a position spaced apart from the fastening member 342 such that the cap 346 is inserted to identify the fastening member 342 from the outside by the cap 346 Do not let them. This is because, when the fastening means fastened to the fastening member 342 from the outside is easily identified, the fastening means can not be aesthetically pleasing, and when the fastening means fastened to the fastening member 342 is disassembled due to curiosity, It is because.

In this case, the fastening member 342 is positioned at a portion where the corner portion 300 is in close contact with a wall or the like, and the closing member 344 is positioned at a position spaced apart from the fastening member 342 by a predetermined distance, It is preferable to be located at the identified portion.

One end of the cap 346 is inserted and fixed to the closing member 344 so that the cap 346 can not easily identify the presence of the coupling member 342 from the outside.

The cap 346 includes a head 347 at one end located at the outer periphery of the edge 300 and a head 347 extending from the head 347 and inserted into the closure 344, (Not shown).

Of course, the present invention is not limited thereto, and the cap 346 can be used as any means that is fastened to the closing member 344 to prevent the presence of the fastening member 342 from being externally identified.

The assembled state of the corner portion of the flat panel-type LED lighting apparatus constructed as described above will be described below.

First, one end of each of the frames 200 is inserted into each of the first and second support portions 310 and 320 of the corner portion 300.

At this time, the first and second support protrusions 312 and 322 formed in the first and second support portions 310 and 320 are inserted into the respective coupling grooves formed in the frames 200, So that the first and second support portions 310 and 320 are fixedly supported.

The first and second support portions 310 and 320 are coupled to each other through fastening means such as screws or bolts through first and second fastening holes 316 and 326 formed in the first and second support portions 310 and 320, ) 320 are fastened and fixed so that the clamping force is amplified.

The LED module 110 and the light guide plate 120, which are the illumination means 100, are inserted into the frames 200 fixed by the corner portions 300.

At this time, the insertion depth of the light guide plate 120 to be inserted is limited by the light guide piece 334 of the third support portion 330 formed inside the corner portion 300. That is, the light guide plate 120 is inserted into the light guide groove 335 formed at one side of the light guide plate 334 at a depth of the light guide plate 334. At this time, the light guide plate 334 has a thickness As shown in FIG.

On the other hand, one side of the light guide plate 120 to be inserted is supported and supported by the module supporting piece 336 of the third supporting portion 330.

In addition, the insertion depth of the inserted LED module 110 is limited by the module supporting piece 336 of the third supporting portion 330 formed inside the corner portion 300. That is, the LED module 110 is inserted into the module intermittent groove 337 formed on one side of the module supporting piece 336 by a depth enough to be interrupted.

In order to fix the illumination device constructed through the frames 200 and the corners 300 to the wall through the above-described process, the fixing member 342 of the fixing part 340, which is formed on one side of the corner part 300, And fastened by fastening means such as screws.

The cap 346 is inserted into the closing member 344 of the fixing portion 340 to prevent the coupling member 342 from being recognized from the outside when the fixing of the lighting device is completed by the fastening means.

That is, the locking protrusion 348 formed at one end of the cap 346 is inserted into the closing member 344 so that one end of the locking protrusion 348 is hooked to one end of the closing member 344. At this time, the head 347 formed at the other end of the locking projection 348 is brought into close contact with the outer periphery of the corner portion 330, so that the cap 346 is not completely inserted into the closing member 344, . The cap 346 of the cap 346 is retained at one end of the closure member 344 so that the cap 346 can be easily disengaged by external vibrations or shocks .

The corner fastening means according to another embodiment of the present invention will be described as follows.

The fixed portion 340 of the corner portion 300 is fixed in a manner to be suspended from the ceiling so that the illumination device can be prevented from falling due to an earthquake or external vibrations, The connecting member 350 is constructed.

11 to 12, the connecting member 350 includes a support 352 assembled to the fixing portion 340 and a through hole 3542 for penetrating the wire 358 in a cylindrical shape at an upper center thereof. A tube 354 formed with a female screw 3544 for screwing the support 352 on the inner lower portion thereof and a tube 354 guided by the inner diameter of the tube 354 to connect and support the end of the wire 358 And a support plate 356.

The support 352 includes a nut 3522 provided in the fixing portion 340 or the fastening member 342, a fastening screw 3524 fastened to the nut 3522, And a mud bolt 3526 fastened to the female screw 3544 of the tubular body 354 around the outer periphery thereof.

The nut 3522 is generally hexagonal and is fixed to the fastening member 342. Preferably, when the corner portion 300 is injection molded, it is integrally formed.

The connecting member 350 passes through the wire 358 through the through hole 3542 formed at the center of the tube 354 and extends from the through hole 3542 to the end of the penetrating wire 358, To the support plate 356, which prevents dislodgement.

The mast bolts 3526 constituting the support 352 are fastened to the female screw 3544 of the tube 354 and the mast bolts 3526 are fastened with the fastening screws 3524, The mud bolts 3526 are fastened to the female screw 3544 of the tubular body 354 in a state where the mud bolts 3526 are fastened to the nuts 3522 provided in the fastening member 342 of the fastening portion 340.

Then, when one end of the wire 358 is fixed to the ceiling, the lighting apparatus is configured to be suspended from the ceiling while being spaced apart from the ceiling by a predetermined length.

The above description is only one embodiment for carrying out the corner portion of the flat panel LED illumination device, and the present invention is not limited to the above embodiment. It will be understood by those skilled in the art that various changes may be made without departing from the spirit of the invention.

100: lighting means 110: LED module
120: light guide plate 200: frame
300: corner part 310: first support part
312: first support space 314: first support projection
316: first fastening hole 320: second supporting portion
322: second support space 324: second support projection
326: second fastening hole 330: third supporting portion
332: third support space 334: light guiding support plate
335: light-guide interrupting groove 336: module supporting plate
337: module intermittent groove 338: reinforcing rib
340: fixing portion 342: fastening member
344: Closing member 346: Cap
347: head portion 348:
350: connecting member 352:
3522: Nut 3524: Securing screw
3526: Mud bolts 354: Tubular body
3542: through hole 3544: female thread
356: Support plate 358: Wire
400: converter fixing device 500: converter

Claims (8)

In an edge portion of a flat-type LED lighting device for connecting and fixing neighboring frames,
First and second supporting portions 310 and 320, respectively corresponding to the first and second supporting spaces 312 and 322 into which one ends of the frames 200 are inserted;
A third support portion 330 configured to limit an insertion depth of the LED module 110 and the light guide plate 120; And
And a fixing part (340) for fixing to the wall or the ceiling;
The third support part 330 includes a third support space 332 having a predetermined space and a light guide supporting part 332 formed on one side of the third support space 332 to limit the insertion depth of the light guide plate 120 334), and a module support piece (336) for limiting the insertion depth of the LED module (110);
And an edge portion of the LED lighting device for improving the installation and assembling property.
The method according to claim 1,
The light guide piece 334 and the module support piece 336 of the third support part 330 are spaced apart from each other by a predetermined distance so that the LED module 110 or the light guide plate 120 expands or contracts due to external environmental conditions The LED lighting device comprising: a light source for emitting light;
[3] The apparatus of claim 2, wherein the third support part (330)
A reinforcing rib 338 for reinforcing the distance between the light guide supporting piece 334 and the module supporting piece 336;
The LED lighting device according to claim 1, further comprising:
The method of any one of claims 1 to 3, wherein each of the first and second supporting portions (310, 320)
First and second support spaces 312 and 322;
First and second support protrusions 314 and 324 formed at one side of the first and second support spaces 312 and 322 and inserted into a part of the frame 200 to exert a supporting force; And
First and second fastening holes (316) and (326) for fixing the frame (200) through fastening means;
And an edge portion of the LED lighting device for improving the installation and assembling property.
The fixing device according to any one of claims 1 to 3, wherein the fixing portion (340)
A fastening member (342) for exerting a fixing force so that the fastening means is inserted and fixed to the wall or the ceiling;
A closing member 344 configured to be spaced apart from the fastening member 342 by a predetermined distance; And
A cap 346 which is engaged after one end is inserted into the closure member 344 so that the fastening means inserted into the fastening member 342 from outside is not identified;
The LED lighting device according to claim 1,
[6] The apparatus of claim 5, wherein the cap (346)
A head portion 347 to be brought into close contact with the outer periphery of the corner portion 300; And
At least one locking protrusion (348) extending from the head portion (347) and inserted into the closing member (344) and formed at an end thereof so as to be hooked to one end of the closing member (344);
And an edge portion of the LED lighting device for improving the installation and assembling property.
The connector according to any one of claims 1 to 3, wherein the corner portion (300)
A connection member 350 for fixing vibration and impact to the illumination device by fixing at least one wire 358 having one end fixed to the fixing portion 340 and the other end fixed to the ceiling, ;
The LED lighting device according to claim 1, further comprising:
The connector according to claim 7, wherein the connecting member (350)
A nut 3522 provided on the fixing portion 340 and a mud bolt 3526 provided on the outer periphery of the edge portion 300 and one end of the mud bolt 3526 fastened to the nut 3522, And a fixing screw 3524 which is fixed to the outer periphery of the part 300;
A tubular body 354 having a female thread 3544 formed inside and coupled to the mud bolts 3526 of the support 352 and a through hole 3542 through which the wire 358 passes; And
A support plate 356 fixed to an end of the wire 358 to prevent a wire 358 provided on the inner side through the through hole 3542 of the tube 354 from being arbitrarily disengaged;
And an edge portion of the LED lighting device for improving the installation and assembling property.

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