KR20110113693A - Lighting module - Google Patents

Abstract

An embodiment includes an opening, a case including mounting grooves at both inner portions, a light source unit disposed in the mounting groove, a light guide plate inserted into the case in a longitudinal direction of the case and optically coupled to the light source unit, Light inserted into the case in the longitudinal direction of the case, diffuser plate disposed below the light guide plate, and inserted into the case in the longitudinal direction of the case, disposed above the light guide plate, and generated from the light source unit. It provides an illumination module including a reflector for reflecting the direction toward the diffusion plate.

Description

Lighting Module {Lighting Module}

The present application relates to a lighting module, and more particularly to a lighting module that implements light, including a plurality of light emitting devices.

In general, a lot of bulbs or fluorescent lights are used as indoor or outdoor lighting, such a bulb or fluorescent lamp has a short life and has to be replaced frequently. In addition, the conventional fluorescent lamp has a problem that excessively decreases the illuminance due to deterioration over the use time.

In order to solve this problem, lighting devices using LEDs that can realize excellent controllability, fast response speed, high electro-optical conversion efficiency, long life, low power consumption, high brightness, and sensitive lighting have been developed.

On the other hand, many lighting devices to which the LED is applied, in most cases are made to be restricted in shape or shape depending on the structure of the space to be installed. Therefore, there is a need for a lighting apparatus that can increase the degree of use and space freedom for the field or space used.

It is an object of the present invention to provide a lighting module having a high degree of freedom for use space. The technical problems to be achieved by the present embodiment are not limited to the technical problems mentioned above, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

In one embodiment according to the present invention, the lighting module includes an opening, a case including a seating groove in both inner portions, a light source unit disposed in the seating groove, inserted into the case in the longitudinal direction of the case, A light guide plate optically coupled to the light source unit, a light guide plate inserted into the case in a length direction of the case, a diffuser plate disposed below the light guide plate, and inserted into the case in a length direction of the case and above the light guide plate It is disposed, and includes a reflecting plate for reflecting the light generated from the light source unit in the direction of the diffusion plate.

In another embodiment according to the invention, the lighting module is formed of one plate, both ends of the plate are bent to face each other, has an opening defined by both ends of the plate, both ends of the plate A case having first and second seating grooves formed by bending, each of which includes a plurality of LEDs arranged on one side of the substrate, each in the first and second seating recesses of the case such that one side of the substrate faces each other; Inserted first and second light source portions, both ends are inserted into the first and second seating grooves, respectively, disposed between the first and second light source portion to emit light incident from the plurality of LEDs into the openings. The light guide plate and both ends are inserted into the first and second seating grooves, respectively, and are disposed between the light guide plate and the opening to diffuse light emitted from the light guide plate into the opening. A diffusion plate, and each end portion of the first and second are respectively inserted into the second receiving groove that includes the bansapanreul disposed on the image side of the light guide plate.

The lighting module according to the invention can be implemented as a lighting device by itself as a single lighting module.

1 is a perspective view for explaining the structure of a lighting module according to an embodiment of the present invention.
2 is a cross-sectional view illustrating a structure of a lighting module according to an embodiment of the present invention.
Figure 3 is an embodiment according to the present invention, a cross-sectional view for explaining the structure of the case.
Figure 4 is an embodiment of the present invention, a view for explaining the structure and operation principle of the light source module disposed inside the case.

1 is a perspective view for explaining the structure of a lighting module according to an embodiment of the present invention, Figure 2 is a cross-sectional view for explaining the structure of a lighting module according to an embodiment of the present invention.

1 and 2, the lighting module 400 includes a case 200, a first light source unit 150A, a second light source unit 150B, a first light excitation film 170a, and a second light excitation film 170b. ), A light guide plate 110, a diffusion plate 190, a reflecting plate 130, a first connector 300A, and a second connector 300B.

The case 200 is manufactured by being extruded in a single plate shape without a plurality of flanges assembled and connected. The case 200 is formed by first and second seating grooves 202a and 202b in which both end portions of the plate are bent twice so that the light source unit shown in FIG. 3 can be disposed. Both ends of the plate face each other, and the opening 201 is partitioned by both ends of the plate. The case 200 has a consistent cross section in which both sides are parallel in the longitudinal direction of the case.

The first light source unit 150A and the second light source unit 150B include substrates 151a and 151b and light emitting diodes 152a and 152b disposed on the substrate, respectively, and one surface of the substrate on which the light emitting diodes are disposed It is inserted into the grooves of the first and second seating grooves 202a and 202b of the case so as to face each other. The light emitting diodes included in the first light source unit 150A and the second light source unit 150B are light emitting diodes that emit light having the same color, but may emit light having different colors. Therefore, a variety of colors can be made of a combination of two different colors can be implemented emotional lighting device. The light emitting diodes 152a and 152b may be light emitting diodes emitting at least one of blue, red, and green light.

Although not shown in the figure, the light emitting diode can emit light having its own color by causing the transparent resin to seal the light emitting diode on top, but when emitting the original color, for example, blue light is emitted. In the case of emitting light emitting diodes, a resin including a yellow phosphor on the top may seal the blue light emitting diode to emit white light.

The light guide plate 110 is disposed in an optical path direction emitted from the first light source unit 150A and the second light source unit 150B, and is inserted into the case in the longitudinal direction of the case 200. At this time, both ends of the light guide plate 110 are inserted into the first and second seating grooves 202a and 202b of the case, and the light emitted from the first light source unit 150A and the second light source unit 150B is formed in an opening ( 201) exit.

The first light excitation film 170a and the second light excitation film 170b are respectively disposed between the light guide portion 110, the first light source portion 150A, and the second light source portion 150B, and include various fluorescent materials therein. do. The first light excitation film 170a and the second light excitation film 170b may convert a color of light by converting a portion of wavelengths of light emitted from the first light source unit 150A and the second light source unit 150B.

Although not shown in the drawing, the first photoexcitation film 170a and the second photoexcitation film 170b include a transparent resin and a fluorescent material 172 contained in the transparent resin. A curing agent or an additive may be included in the transparent resin, the curing agent cures the transparent resin, and the additive evenly disperses the fluorescent material in the transparent resin. In addition, a diffusion material may be included in the transparent resin, and the diffusion material improves the refractive index of the light source to increase the excitation rate of the fluorescent material.

The diffusion plate 190 is disposed between the light guide plate 110 and the opening 201 to diffuse and emit light emitted from the light guide plate 110 into the opening 201 and is inserted into the case 200. At this time, both ends of the diffusion plate 190 are inserted into the first and second seating grooves 202a and 202b of the case.

The reflector 130 is disposed above the light guide plate 110 to reflect the light emitted from the light guide plate 110 toward the diffuser plate 190. At this time, both ends of the reflector plate 130 are provided with the diffuser ( Similar to both ends of 190, it is inserted into the first and second seating grooves 202a, 202b of the case.

The first connector 300A and the second connector 300B are attached to one outer surface of the case 200. As shown in FIG. 3 to be described later, the outer surface of the case 200 may be an outer surface of the back cover part 250 of the case and may be an outer surface of the first and second vertical base parts 210a and 210b. However, preferably, the first connector 300A and the second connector 300B are attached to the centers of both ends in the longitudinal direction of the case at the outer surface of the back cover part 250 of the case. The first connector 300A and the second connector 300B each include a plurality of coupling pins 301a and 301b arranged therein, and outer cases 303a and 303b surrounding the plurality of coupling pins.

At least one of the first connector 300A and the second connector 300B serves as a connection member for mechanically coupling with another lighting module 400 including the case 200.

As described above, the lighting module according to the embodiment of the present invention can be used as a lighting device by itself because it consists of one single module in emitting light.

Figure 3 is an embodiment according to the present invention, a cross-sectional view for explaining the structure of the case.

As shown in the drawing, the case 200 includes the first and second vertical base portions 210a and 210b and the first protrusion 230a which is bent and extended from one side of the first and second vertical base portions 210a and 210b, respectively. ) And a second protrusion 230b and a back cover part 250 which is bent at the other side of the first vertical base part 210a and connected to the other side of the second vertical base part 210b.

Accordingly, both inner portions of the case 200 are formed with first and second seating grooves 202a and 202b, and the first protrusion 230a and the second protrusion 230b face each other at an interval to open the openings. Will have 201.

The first protrusion 230a and the second protrusion 230b of the case 200 extend with respect to each of the first and second vertical base parts 210a and 210b in a direction parallel to the back cover part 250. It is bent but preferably inclined at an acute angle θ <90 with respect to each of the first and second vertical base portions 210a, 210b. Therefore, the structure that is inserted into the first seating groove 202a and the second seating groove 202b, that is, the diffusion plate, the light guide plate, and the reflecting plate can be further fixedly supported.

In addition, the material of the case 200 may be, for example, a metal such as aluminum and iron, and more preferably, the case may have elastic force.

For convenience of description in the above-described embodiment of the present invention, the first light source unit 150A, the second light source unit 150B, the first light excitation film 170a, the second light excitation film 170b, and the light guide plate 110. The device including the diffuser plate 190 and the reflector plate 130 is called a light source module.

Figure 4 is an embodiment of the present invention, a view for explaining the structure and operation principle of the light source module disposed inside the case.

As shown, the light source module 100 includes a light guide plate 110, a reflector plate 130, light source units 150A and 150B, light excitation films 170a and 170b, and a diffuser plate 190.

The light guide plate 110 converts the point light source into a surface light source, and a specific pattern 111 is formed on one surface of the light guide plate so that light incident therein can be emitted to the outside. The specific pattern 111 diffuses or scatters light and emits light to the outside. The light guide plate 110 may be made of a transparent resin, and may be printed by a silk screen printing method.

The diffusion plate 190 may be disposed on the light guide plate 110. The diffuser plate 190 serves to evenly emit light incident into the light guide plate 110 to the outside.

The reflective plate 130 is disposed under the light guide plate 110 and prevents light incident into the light guide plate 110 from being emitted to the rear of the light guide plate.

The light source parts 150A and 150B are disposed on the light guide plate 110 side, and the light source parts 150A and 150B may be any device capable of emitting light, and in the exemplary embodiment of the present invention, the light emitting devices 152a and 152b may be light emitting diodes. ). The light source units 150A and 150B include substrates 151a and 151b and a plurality of light emitting diodes 152a and 152b arranged on the substrates 151a and 151b. , Light generated at 150B is incident into the light guide unit 110.

The photoexcitation films 170a and 170b are disposed between the light guide unit 110 and the light source units 150A and 150B and include various fluorescent materials therein. The optical excitation films 170a and 170b convert the color of the light by converting a part of the wavelength of the light emitted from the light source units 1501 and 150B.

Although not shown in the drawing, each of the light source units 150A and 150B and the light excitation films 170a and 170b is disposed in the inner mounting grooves 202a and 202b of the case 200 described with reference to FIG. 2. In addition, both ends of each of the light guide plate 110, the diffusion plate 190, and the reflector plate 130 are inserted into the inner mounting grooves 202a and 202b of the case 200.

Although the above description has been made with reference to the embodiments, these are merely examples and are not intended to limit the present invention. Those skilled in the art to which the present invention pertains do not depart within the scope not departing from the essential characteristics of the present embodiments. It will be appreciated that many variations and applications are possible. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

110: light guide plate
130: reflector
150A: first light source
150B: second light source
170a: first optical excitation film
170b: second optical excitation film
190: diffuser plate
400: lighting module

Claims (10)

A case including an opening and including seating grooves in both inner portions;
A light source unit disposed in the seating groove;
A light guide plate inserted into the case in a length direction of the case and optically coupled to the light source unit;
A diffusion plate inserted into the case in a length direction of the case and disposed under the light guide plate; And
A reflection plate inserted into the case in a length direction of the case and disposed above the light guide plate to reflect light emitted from the light source to the diffusion plate;
Lighting module comprising a
The method of claim 1,
The case
First and second vertical base portions,
First and second protrusions extending on one side of the first and second vertical base portions, respectively;
And a back cover part extending to the other side of the first vertical base part and connected to the other side of the second vertical base part.
The method of claim 2,
First and second projections of the case is characterized in that the lighting module is inclined at an acute angle with respect to the first and second vertical base portion
The method of claim 1,
The light source unit includes a plurality of LEDs, the plurality of LEDs, characterized in that arranged in the longitudinal direction of the seating groove.
The method of claim 1,
And a light excitation film disposed between the light source unit and the light guide plate.
The method of claim 1,
The light module emitted from the light source unit is characterized in that the blue light or white light.
It is formed as one plate, and both ends of the plate is bent to face each other, has an opening defined by both ends of the plate, both ends of the plate having a first and second seating groove formed by bending case;
First and second light source units each including a plurality of LEDs arranged on one surface of a substrate, the first and second light sources respectively inserted into first and second seating grooves of the case so that one surfaces of the substrate face each other;
A light guide plate having both ends inserted into the first and second seating grooves, respectively, and disposed between the first and second light source parts to emit light incident from the plurality of LEDs to the opening;
A diffusion plate having both ends inserted into the first and second seating grooves, respectively, and disposed between the light guide plate and the opening to diffuse and emit light emitted from the light guide plate into the opening; And
Both ends are inserted into the first and second seating grooves, respectively, and a reflecting plate disposed above the light guide plate.
Lighting module comprising a.
The method of claim 7, wherein
The case has a lighting module having a consistent cross section in one direction parallel to both sides.
The method of claim 7, wherein
And a light excitation film disposed between the first light source part and the second light source part and the light guide plate, respectively.
The method of claim 7, wherein
The color of light emitted from the first light source unit is different from the color of light emitted from the second light source unit.

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