KR101694150B1 - LED lighting device for easilt replacing components and forming a surface emitting pattern layer and image pattern layer on light guide plate - Google Patents

LED lighting device for easilt replacing components and forming a surface emitting pattern layer and image pattern layer on light guide plate Download PDF

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Publication number
KR101694150B1
KR101694150B1 KR1020150081158A KR20150081158A KR101694150B1 KR 101694150 B1 KR101694150 B1 KR 101694150B1 KR 1020150081158 A KR1020150081158 A KR 1020150081158A KR 20150081158 A KR20150081158 A KR 20150081158A KR 101694150 B1 KR101694150 B1 KR 101694150B1
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South Korea
Prior art keywords
pattern layer
light
guide plate
light guide
frame
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KR1020150081158A
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Korean (ko)
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KR20160144706A (en
Inventor
양현호
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주식회사 제이에스라이팅
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Priority to KR1020150081158A priority Critical patent/KR101694150B1/en
Publication of KR20160144706A publication Critical patent/KR20160144706A/en
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Publication of KR101694150B1 publication Critical patent/KR101694150B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/02—Frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The present invention relates to an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and can easily replace parts. More specifically, the present invention relates to an LED lighting apparatus, Wherein the image pattern layer formed of a figure, a character, a decorative pattern or the like is formed together with the surface light emission pattern layer, and the various types of images formed on the light guide plate are projected The light emitting diodes (LEDs) emit light at the same time when the LED (light emitting diode) lamp illumination is turned on. Thus, the image pattern is projected And when the LED lamp illumination is turned off, the image pattern is not projected on the diffusion plate without showing a side emission illumination effect The surface light emission pattern layer and the image pattern layer are formed on the light guide plate which can be differentiated from the conventional lighting apparatus in which the image remains when the image is printed on the diffuser plate and turned on and off, ≪ / RTI >
In addition, the LED lighting fixture is connected to each frame using a corner bracket so that the LED lighting fixture can be combined and separated, and an LED module having an LED module groove formed on one side of the frame and an LED lamp formed thereon, The LED module is detached from the LED module groove after separating only the corresponding frame coupled with the LED module, thereby facilitating the repair of the LED module. To an LED lighting apparatus in which a pattern layer and an image pattern layer are formed and components can be easily replaced.
A frame (10) having a space (11) formed therein and a frame groove (12) formed on one side thereof; A corner bracket 20 for arranging four frames 10 in a quadrangular shape and connecting and fixing the frames 10; An LED module 30 mounted on a side of the frame 10 connected to the corner bracket 20 and emitting light; A light guide plate (40) inserted into the frame groove (12) of the frame (10) and changing light of a circular light source into light of a surface light source type; A reflection sheet 50 provided below the light guide plate 40 and reflecting light emitted from the LED module 30 and an image formed on the light guide plate 40 by diffusing or scattering light provided on the light guide plate 40, A surface light emission pattern layer 41 for uniformly emitting light and an image pattern layer 42 for outputting an image are formed on the upper surface of the light guide plate 40 The present invention provides an LED lighting fixture in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and component replacement is easy.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an LED lighting apparatus, and more particularly, to an LED lighting apparatus having a surface light emission pattern layer and an image pattern layer formed on a light guide plate,

The present invention relates to an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and parts can be easily replaced. More particularly, the present invention relates to an LED lighting apparatus, An image pattern layer formed of a figure, a character, a decorative pattern or the like is formed together with the surface light emission pattern layer, and various types of images formed on the light guide plate are projected When the LED (Light Emitting Diode) lamp illumination is turned on, the diffusion plate is formed above the light guide plate, so that the surface light emission pattern layer and the image pattern layer emit light at the same time and the image pattern is projected , When the LED lamp illumination is turned off, the image pattern is not projected on the diffusion plate without showing a side emission illumination effect The LED lighting apparatus is provided with a surface light emission pattern layer and an image pattern layer formed on the light guide plate for differentiating from a conventional lighting apparatus in which an image remains when the image is printed on the diffuser plate, .

In addition, the LED lighting fixture is connected to each frame using a corner bracket so that the LED lighting fixture can be combined and separated, and an LED module having an LED module groove formed on one side of the frame and an LED lamp formed thereon, The LED module is detached from the LED module groove after separating only the corresponding frame coupled with the LED module, thereby facilitating the repair of the LED module. To an LED lighting apparatus in which a pattern layer and an image pattern layer are formed and components can be easily replaced.

In general, a home lighting fixture is a kind of lighting that is installed on a ceiling or a wall to illuminate indoor and outdoor light. In recent years, it has been regarded as a field of interior for enhancing a decorative effect and aesthetic effect, And is being developed and constructed.

There are various kinds of light sources of such a lighting apparatus, and recently, the use of a lighting apparatus using a light emitting diode (LED) as a light source is increasing.

The LED light source includes a LED module unit as a light emitting unit and a circuit module unit as a control unit. Since the LED module unit and the circuit module unit are separately formed on different substrates, connection wirings connecting the LED module and the circuit module The module arrangement becomes complicated, and the design of the lighting apparatus is restricted.

Further, a lighting apparatus using LED as a light source uses a plurality of LEDs in order to increase the brightness. When a plurality of LEDs are used in this way, a side effect such as deterioration of color recognition ability due to high luminance, heat generation problem, .

In order to solve the above problems, Korean Patent Registration No. 10-1078850 has been disclosed as shown in FIG. 1, which is related to a lighting apparatus using a light guide plate. In this lighting apparatus, A light source is provided, and a variety of shapes and colors are used to create a colorful interior.

However, the illuminator has a printed circuit board (PCB) and a plurality of LED packages formed on an inner upper surface of the cover to form an annular integral frame and to seal the frame with the frame, There is a problem that it is troublesome to detach and attach the entire cover even if the LED and the LED part fail, and it is inconvenient to provide a larger space for repairing the broken parts due to the size of the cover.

In addition, a converter or a power supply SMPS (Switching Mode Power Supply) for conversion between AC and DC should be installed together with the lighting device because the converter or the SMPS protrudes to the outside of the lighting device, There has been a problem that the overall thickness is increased and the position and location are restricted when the lighting apparatus is installed. Further, there is a problem that the converter or the SMPS is installed outside the lighting apparatus, and the appearance is not good.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a light emitting device and a method of manufacturing the same which are capable of forming a dot pattern or a striped pattern on a lower surface of a light guide plate, An image pattern layer formed of a figure, a letter, a decorative pattern or the like having a width larger than the dot diameter of the surface light emission pattern layer or wider than the stripe width is formed together with the surface light emission pattern layer, When the LED (Light Emitting Diode) lamp illumination is turned on, the surface light emission pattern layer and the image pattern layer emit light at the same time by the light generated from the LED module, When the LED lamp illumination is turned off, the diffusion pattern A surface light emission pattern layer and an image pattern are formed on a light guide plate which is different from a conventional illumination device in which an image is left when the image is printed on the diffusion plate by turning on and off the image pattern, The present invention has been made in view of the above problems.

In addition, the LED lighting apparatus may be configured such that each frame is connected to each frame using a corner bracket so that the LED lighting apparatus can be coupled and separated, an LED module having LED module grooves formed on one side of the frame and LED lamps emitting light toward the light guide plate, The LED module is separated from the LED module groove so that the LED module is detached from the LED module groove and separated from the LED module groove. A light emitting diode (LED) illuminating device includes a surface light emitting pattern layer and an image pattern layer formed on a light guide plate.

In addition, a reflection sheet for improving the utilization efficiency of light is formed by reflecting the light generated from the LED module in the direction of the light exit surface of the light guide plate, and a diffusion plate for projecting various types of images printed on the light guide plate is formed on the light guide plate. The reflection plate, the light guide plate and the diffusion plate are fixedly coupled to a frame groove formed in the frame, the frame is connected to the corner bracket, and the bottom of the corner bracket is fixed to the corner bracket An object of the present invention is to provide an LED lighting fixture having a surface light emission pattern layer and an image pattern layer formed on a light guide plate, which can prevent foreign matter from entering the LEDs.

In addition, since the SMPS (Switching Mode Power Supply), which is a power supply unit, is formed in the inner space of the frame, it is possible to make the lighting apparatus look good and to reduce the overall thickness of the lighting apparatus, And an LED illumination device having a surface light emission pattern layer and an image pattern layer formed on a light guide plate and easily replacing parts.

A frame (10) having a space (11) formed therein and a frame groove (12) formed on one side thereof;

A corner bracket 20 for arranging four frames 10 in a quadrangular shape and connecting and fixing the frames 10;

An LED module 30 mounted on a side of the frame 10 connected to the corner bracket 20 and emitting light;

A light guide plate (40) inserted into the frame groove (12) of the frame (10) and changing light of a circular light source into light of a surface light source type;

A reflective sheet 50 disposed below the light guide plate 40 and reflecting the light emitted from the LED module 30,

And a diffusion plate 60 disposed on the light guide plate 40 to diffuse or scatter light and project an image formed on the light guide plate 40,

The surface light emission pattern layer 41 for uniformly emitting light and the image pattern layer 42 for outputting an image are formed on the upper surface of the light guide plate 40. The present invention provides an LED lighting fixture in which a layer is formed and components are easily replaced.

In addition, an LED module groove 13 in which the LED module 30 is mounted is formed on one side of the frame 10.

A switching power supply 80 and a printed circuit board 35 are installed in the inner space 11 of the frame 10.

The foreign matter prevention member 21 is coupled to the lower surface of the corner bracket 20 to prevent foreign matter from entering into the frame 10 through the corner bracket 20.

The surface light emission pattern layer 41 of the light guide plate 40 is formed in a dot or stripe pattern and the image pattern layer 42 has a width larger than the dot diameter of the surface light emission pattern layer 41, And is formed of a figure, a character, or a decorative pattern.

It is preferable that the surface light emission pattern layer 41 and the image pattern layer 42 of the light guide plate 40 are formed by at least one of laser processing, V-cutting processing, and silk printing.

Further, the cover 70 is further formed under the reflective sheet 50 to prevent the reflective sheet 50 from being exposed to the outside.

An LED lighting apparatus having a surface light emission pattern layer and an image pattern layer formed on a light guide plate according to an embodiment of the present invention and easily replacing parts can be provided with a dot or a dot on the bottom surface of a light guide plate, And a pattern having a width larger than the dot diameter of the surface light emitting pattern layer or a width of the stripe pattern is formed on the surface light emitting pattern layer and the surface light emitting pattern layer, And a diffusion plate on which the various types of images formed on the light guide plate are projected is formed on the light guide plate. Thus, when the LED (Light Emitting Diode) lamp illumination is turned on, The image pattern layer is simultaneously emitted, the image pattern is projected while exhibiting a surface-emitting illumination effect on the diffusion plate, When the illumination is turned off, the image pattern is not projected on the diffusion plate without showing the surface-emitting illumination effect, so that the image can be differentiated from the conventional illumination apparatus in which the image is left when the image is printed on the diffusion plate, It is effective.

The LED module has LED modules formed with LED module grooves on one side of the frame and LED lamps for generating light toward the light guide plate, When the LED module fails to operate, the LED module is separated from the LED module groove by separating only the frame coupled with the LED module, thereby facilitating the repair of the LED module. There is an effect that can be.

In addition, a reflection sheet for improving the utilization efficiency of light is formed by reflecting the light generated from the LED module in the direction of the light exit surface of the light guide plate, and a diffusion plate for projecting various types of images printed on the light guide plate is formed on the light guide plate. The reflection plate, the light guide plate and the diffusion plate are fixedly coupled to a frame groove formed in the frame, the frame is connected to the corner bracket, and the bottom of the corner bracket is fixed to the corner bracket There is an effect that foreign matter can be prevented from entering by combining the foreign matter prevention member.

In addition, since the SMPS (Switching Mode Power Supply), which is a power supply unit, is formed in the inner space of the frame, it is possible to make the lighting apparatus look good and to reduce the overall thickness of the lighting apparatus, There is an effect.

1 is a perspective view of a lighting apparatus using a conventional light guide plate.
FIG. 2 is a perspective view showing a state in which a surface light-emitting pattern layer and an image pattern layer are formed on a light guide plate and an LED lighting apparatus is easily turned on for easy replacement of parts.
3 is an exploded perspective view of an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and parts replacement is easy.
4 is an AA cross-sectional view of an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and parts replacement is easy.
5 is a BB sectional view of an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and parts replacement is easy.
6 is a perspective view showing a state in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate and an LED lighting fixture easy to replace parts is turned off;

A temporary example of an LED lighting apparatus in which a surface light emission pattern layer and an image pattern layer are formed on a light guide plate according to an embodiment of the present invention and in which parts can be easily replaced will be described with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a state in which a surface light-emitting pattern layer and an image pattern layer are formed on a light guide plate, and an LED lighting apparatus is easily turned on, and FIG. 3 shows a state in which a surface light- FIG. 4 is an AA cross-sectional view of an LED lighting apparatus in which a surface light-emitting pattern layer and an image pattern layer are formed on the light guide plate and is easy to replace parts, FIG. 5 is a cross- 6 is a cross-sectional view taken along the line BB of the LED lighting apparatus in which the light emission pattern layer and the image pattern layer are formed and the components are easily replaced. FIG.

The LED lighting apparatus according to the present invention has a surface light emitting pattern layer and an image pattern layer and is easy to replace parts. The LED lighting apparatus includes a frame 10 in which a space 11 is formed and a frame groove 12 is formed on one side, and; A corner bracket 20 for arranging four frames 10 in a quadrangular shape and connecting and fixing the frames 10; An LED module 30 mounted on a side of the frame 10 connected to the corner bracket 20 and emitting light; A light guide plate (40) inserted into the frame groove (12) of the frame (10) and changing light of a circular light source into light of a surface light source type; A reflection sheet 50 provided below the light guide plate 40 and reflecting light emitted from the LED module 30 and an image formed on the light guide plate 40 by diffusing or scattering light provided on the light guide plate 40, A surface light emission pattern layer 41 for uniformly emitting light and an image pattern layer 42 for outputting an image are formed on the upper surface of the light guide plate 40 .

The frame 10 is in the form of a polygonal tube having a space 11 formed therein, and is formed of a metal or a hard plastic material.

A frame groove 12 is formed on one side of the frame 10 to sequentially sandwich the reflective sheet 50, the light guide plate 40 and the diffusion plate 60. Inside the frame groove 12, The LED module groove 13 into which the LED module 30 is inserted is formed.

A protrusion 14 is formed adjacent to the LED module groove 13 to prevent the LED module 30 from being detached.

The frame 10 is connected by a corner bracket 20 so as to be able to engage and disengage. Four frames 10 are arranged in a quadrangular shape, and the frames 10 are connected to each other by a corner bracket 20 Thereby forming a frame of the LED lighting apparatus according to the present invention.

That is, by connecting the frame 10 with the corner bracket 20 and forming the LED module groove 13 on the side of the frame 10 and mounting the LED module 30 in the LED module groove 13, When the module 30 fails and is not operated, the corresponding frame 10 to which the LED module 30 is coupled and the corner bracket 20 adjacent to the frame 10 are separated to easily repair only the LED module 30 .

The corner bracket 20 is coupled to an end of the frame 10 to connect the frame 10.

The corner bracket 20 is formed in a shape of a circle, and the corner bracket 20 is integrally formed with an engaging portion 22 inserted into the frame 10.

The foreign matter preventing member 21 is coupled to the lower surface of the corner bracket 20 to prevent foreign matter from entering the inside of the frame 10 through the corner bracket 20.

A wire packing hole 24 is formed at the center of the foreign matter preventing member 21 and a rubber packing 24 is formed outside the wire penetrating hole 23 to prevent the wire from being worn out at the outer edge of the wire penetrating hole 23, Respectively.

The foreign matter prevention member 21 may be coupled to the lower surface of the corner bracket 20 by various methods such as screw engagement or undercut engagement.

The LED module 30 is installed in the LED module groove 13 of the frame 10 and emits light to the inside of the frame 10.

The LED module 30 includes a plurality of light emitting diode (LED) lamps 31 as a light source for emitting light and an LED plate 32 having the LED lamps 31 attached thereto at regular intervals.

The LED plate 32 is connected to a printed circuit board 35. The printed circuit board 35 supplies power to the LED lamp 31 and a circuit for driving the LED lamp 31 is printed have.

The LED lamp 31 and the LED plate 32 of the LED module 30 are mounted on the LED module groove 13 of the frame 10 and the printed circuit board 35 is mounted on the space portion 11).

The light guide plate 40 is inserted into the frame groove 12 of the frame 10 and converts the light of the light source shape emitted by the LED module 30 into light of a surface light source type.

Dots or streaks for scattering, refracting, and reflecting light emitted through the LED module 30 are formed on the light guide plate 40. On the upper surface of the light guide plate 40, A light emission pattern layer 41 and an image pattern layer 42 for outputting an image are formed together.

The surface light emission pattern layer 41 of the light guide plate 40 is formed in a regular shape with dots or stripes and the image pattern layer 42 is wider than the dot diameter of the surface light emission pattern layer 41 A width, a character, or a decorative pattern.

That is, when the LED lamp 31 is turned on, the surface light emission pattern layer 41 and the image pattern layer 42 are formed together on the upper surface of the light guide plate 40, 41 and the image pattern layer 42 emit light at the same time so that the image pattern is also projected while showing the surface emission illumination effect on the diffusion plate 60. When the LED lamp 31 is turned off, Emitting illumination effect is not displayed on the diffusion plate 60 and the image pattern is not projected so that the image can be differentiated from the lighting apparatus in which the image remains when the image is printed on the diffusion plate and turned on and off as in the conventional art.

A light shielding layer may be formed on the light guide plate 40 at a position corresponding to the image pattern layer 42 by a silk printing method to form a dark image inside the image pattern layer 42.

It is preferable that the surface light emission pattern layer 41 and the image pattern layer 42 of the light guide plate 40 are formed by at least one of laser processing, V-cutting processing, and silk printing.

When the light guide plate 40 is formed by a silk printing method, the light diffusion ink composition is used. The light diffusion ink composition may include an epoxy resin, a polyamide resin, An ink binder containing any one of them and at least one light diffusing agent selected from the group consisting of silicon beads or silica.

The reflective sheet 50 is installed on the lower side of the light guide plate 40 and reflects the light emitted from the LED module 30 in the direction of the light emitting surface of the light guide plate 40 to efficiently utilize the light. The luminance distribution of the light emitted from the light source is uniform.

The diffusion plate 60 is installed on the light guide plate 40 to diffuse or scatter light and project an image formed on the light guide plate 40.

The diffusion plate 60 diffuses and scatters the light reflected by the light guide plate 40 to increase and uniform the brightness of the light in the direction of the light exit surface of the light guide plate 40.

In addition, a light diffusion member may be coated on the surface of the diffusion plate 60 so as to emit light with a more uniform distribution.

A cover 70 is formed under the reflective sheet 50 to prevent the reflective sheet 50 from being exposed to the outside. The reflective sheet 50 includes a light guide plate 40, a diffusion plate 60, (12) of the frame (10) together with the frame (50).

The power supply device 80 is a device for supplying power for driving the LED module 30 and is installed at one side of the inner space 11 of the frame 10.

In other words, the conventional LED lighting fixture is disadvantageous in that the power supply device is separately attached to the back side or the side surface of the cover, so that the appearance of the LED lighting fixture is poor and the LED lighting fixture is inconvenient to install the LED lighting fixture on a ceiling or a wall. By installing the power supply unit 80 inside the frame 10, the entire thickness of the LED lighting apparatus can be made slim, and the LED lighting apparatus can be installed in a ceiling or a wall. The lighting apparatus can be installed without restriction.

A method of assembling an LED lighting fixture in which a surface light emitting pattern layer and an image pattern layer are formed on the light guide plate and the components are easily replaced will now be described.

3, in order to assemble an LED lighting apparatus having a surface light emitting pattern layer and an image pattern layer formed on a light guide plate according to the present invention and easily replacing the components, the space portion 11 of the frame 10 is provided with a printed circuit board And the LED module 30 is mounted on the LED module groove 13 of the frame 10. [

Next, the foreign matter preventing member 21 is engaged with the lower surface of the corner bracket 20, and the rubber packing 24 is inserted into the wire through hole 23 of the foreign matter preventing member 21 at this time.

Thereafter, each frame 10 is joined using the corner bracket 20 to form a frame of the LED lighting fixture. One side of the frame 10 is covered with the cover 70 and the reflective sheet 50 The light guide plate 40 and the diffusion plate 60 are left unbonded so as to be able to fit.

Next, the cover 70, the reflection sheet 50, the light guide plate 40 and the diffusion plate 60 are sandwiched between the frame grooves 12 of the frame 10 assembled as described above.

Finally, by assembling the frame 10, which is not joined by using the corner bracket 20, the surface light-emitting pattern layer and the image pattern layer are formed on the light guide plate according to the present invention, Complete.

As shown in FIG. 2, when a light emitting diode (LED) 31 is turned on by supplying power to an LED lighting device having a surface light emission pattern layer and an image pattern layer formed on a light guide plate assembled in the above manner, The light emission pattern layer 41 and the image pattern layer 42 emit light at the same time and the image pattern is also projected while showing the surface emission illumination effect on the diffusion plate 60. When the LED lamp 31 is turned off, As a result, the surface light emission illumination effect is not displayed on the diffusion plate 60 and the image pattern is not projected.

In addition, since the surface light-emitting pattern layer and the image pattern layer are formed on the light guide plate according to the present invention, and the LED lighting fixture easy to replace parts is used for a long time, the LED module 30 or the power supply device 80 breaks down The LED module 30 or the power supply unit 80 may be detached from the corresponding frame 10 provided with the LED module 30 or the power supply unit 80 and the corner bracket 20 adjacent to the frame 10, The surface light emission pattern layer and the image pattern layer are formed on the light guide plate by connecting the frame 10 in which the LED module 30 or the power supply device 80 is replaced by using the corner bracket 20 Completes the repair of LED lighting fixtures that can be easily replaced.

As described above, the present invention is only one embodiment for implementing the LED lighting apparatus in which the surface light emission pattern layer and the image pattern layer are formed on the light guide plate and the components are easily replaced, and the present invention is not limited to the above embodiment no. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. .

10: Frame 11: Space section
20: corner bracket 21: foreign matter preventing member
22: coupling part 30: LED module
31: LED lamp 32: LED plate
35: printed circuit board 40: light guide plate
41: plane emission pattern layer 42: image pattern layer
50: reflective sheet 60: diffuser plate
70: Cover 80: Power supply

Claims (5)

A frame 10 having a space 11 formed therein and a frame groove 12 formed on one side thereof;
A corner bracket 20 for arranging four frames 10 in a quadrangular shape and connecting and fixing the frames 10;
An LED module 30 mounted on a side of the frame 10 connected to the corner bracket 20 and emitting light;
A light guide plate (40) inserted into the frame groove (12) of the frame (10) and changing light of a circular light source into light of a surface light source type;
A reflective sheet 50 disposed below the light guide plate 40 and reflecting the light emitted from the LED module 30,
And a diffusion plate 60 disposed on the light guide plate 40 to diffuse or scatter light and project an image formed on the light guide plate 40,
On the upper surface of the light guide plate 40 are formed a surface light emission pattern layer 41 for uniformly emitting light and an image pattern layer 42 for outputting an image,
The surface light emission pattern layer 41 of the light guide plate 40 is formed in a dot or stripe shape and the image pattern layer 42 is formed to have a width larger than the dot diameter of the surface light emission pattern layer 41 or wider than the stripe width Wherein the surface light emission pattern layer and the image pattern layer are formed on the light guide plate and the parts are easily replaced. The method according to claim 1,
And a LED module groove (13) on which the LED module (30) is mounted is formed on one side surface of the frame (10). The light emitting panel includes a surface light emitting pattern layer and an image pattern layer, Instrument. The method according to claim 1,
And a foreign matter preventing member (21) is coupled to the lower surface of the corner bracket (20) to prevent foreign matter from entering into the frame (10) through the corner bracket (20) LED lighting fixture with pattern layer and easy replacement parts. The method according to claim 1,
A power supply unit 80 and a printed circuit board 35 are installed in the inner space 11 of the frame 10. The surface light emission pattern layer and the image pattern layer are formed on the light guide plate, One LED lighting fixture. delete
KR1020150081158A 2015-06-09 2015-06-09 LED lighting device for easilt replacing components and forming a surface emitting pattern layer and image pattern layer on light guide plate KR101694150B1 (en)

Priority Applications (1)

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KR101866959B1 (en) 2017-12-27 2018-06-14 주식회사 젬 LED lighting device with blue light blocking function
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US11340650B2 (en) 2019-07-08 2022-05-24 Samsung Electronics Co., Ltd. Display apparatus
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KR20240015521A (en) 2022-07-27 2024-02-05 그린맥스 주식회사 Light emitting diode illumination device

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