KR20140020698A - Lighting fixture - Google Patents

Abstract

The present invention relates to a lighting fixture including: a reflection body formed to extend longer in the length direction, wherein extended to the concave shape of the transverse direction section perpendicular to the length direction and having a reflective layer on the inner surface thereof; a rod-shaped light emitting member installed on the concave inner surface of the reflection body but mounted to the reflective layer provided on the concave inner surface thereof and including a plurality of light emitting diode (LED) light sources spaced apart from each other; and a light transmitting plate member mounted on the upper part of the reflection body facing the reflective layer to transmit light generated from the rod-shaped light emitting member.

Description

LIGHTING FIXTURE

The present invention relates to a lighting device, and more particularly, a light including a LED bar and a reflective body which is excellent in reflecting efficiency and can be easily manufactured. It is about a mechanism.

In general, the illumination installed in the room is provided with a reflector to guide the direction of the light generated from the light source so that the light can be more effectively reflected. That is, in general, the lighting is provided on the upper side of the room, such as the ceiling, but the part requiring the light is the lower space of the room.

By the way, since the light emitted from the light source is directed in all directions, by using only a reflection shade, a reflective layer or a reflecting surface to send the light to the lower side to improve the illuminance of the light reflected in the lower space. Therefore, as the structure of the light source and the reflector is well designed, higher illuminance can be obtained even with the same light source.

In addition, the lighting fixture has various shapes. Among them, a rod-shaped light source like a conventional fluorescent lamp is used for a place where a relatively high illumination is used for a long time. In addition, the rod-shaped light fixture may be used in a general home.

Recently, as LEDs are used as light sources of luminaires, LEDs are increasingly used as light sources in rod-shaped luminaires.

An LED fluorescent lamp lighting apparatus is disclosed in the prior art JP 20-2010-0008814. The fluorescent lamp illuminating device of this publication is equipped with a base, a plate, a main body, an LED module, a cap, a blowing fan, etc.

Conventional lighting fixtures, including such LED lighting device has a disadvantage in that the structure is complex, there are many components. For this reason, there is a problem that the manufacture of the conventional lighting fixtures must be complicated and expensive.

Republic of Korea Open Utility Model Publication No. 20-2010-0008814

The present invention has been proposed to solve the above problems, the configuration for fixing the light source including the LED is extremely simple and reliable fixing power, the overall configuration is simple, easy to manufacture and reduce the manufacturing cost The purpose is to provide.

In order to achieve the above object, the luminaire according to the present invention is formed to extend in the longitudinal direction, the transverse cross section perpendicular to the longitudinal direction is formed to extend in a concave shape, the inner surface of the reflection provided with a reflective layer Body; A rod-shaped light emitting member installed on the concave inner surface of the reflective body and installed on the reflective layer provided on the concave inner surface of the reflective body and including a plurality of LED light sources spaced apart from each other; And a transparent plate member provided at an upper end of the reflective body facing the reflective layer and transmitting light generated from the rod-shaped light emitting member.

Preferably, the reflective layer is a reflective film provided separately from the reflective body and attached to the reflective body. Here, the reflective film provided separately may be attached to the reflective body using an adhesive tape, an adhesive or the like, but the attachment means is not limited thereto.

The reflective body further includes an outer member and a base plate provided separately from the outer member and installed on the concave inner surface of the outer member, and the reflective layer is preferably provided on the base plate.

A base plate separate from the outer member may be provided, and a reflective layer may be provided on the base plate. The base plate provided with the reflective layer may be attached to the outer member using an adhesive tape and an adhesive.

The reflective layer is preferably a reflective coating layer formed by coating silver (Ag) or a white pigment, a silver (Ag) deposition layer formed by depositing silver (Ag), or a silver (Ag) reflective film.

The reflecting body and the light transmitting plate member are formed as an integral member, and the reflecting layer is provided on an inner surface of the reflecting body, is bent along a boundary line provided with the reflecting layer, and one side of the light transmitting plate member and the reflecting body is disposed. It is preferable to combine with each other.

Preferably, the light transmitting plate member and the reflecting body form an inner accommodating space having a hemispherical cross-sectional shape for accommodating the rod-shaped light emitting member.

The rod-shaped light emitting member preferably includes a narrow and long substrate and a plurality of LED semiconductor chips mounted on the substrate.

It further comprises a coupling for coupling the rod-shaped light emitting member to the reflective body, wherein the coupling portion is preferably an adhesive tape, adhesive, bolts and nuts, nails, pins, or clips, in addition to the reflection of the rod-shaped light emitting member Of course, it is possible to use a variety of coupling means that can be coupled to the body.

It is preferable that the floodlight plate member includes a diffusion plate member.

On the other hand, the reflective body, it is preferable to further include a heat dissipation support that can receive heat generated from the light emitting member to radiate to the outside.

The heat dissipation support member includes a bottom formed in the longitudinal direction and a pair of facing wall portions provided at both ends of the bottom portion, and the outer surface of the concave portion of the reflective body is coupled to the bottom of the heat dissipation support. It is also preferable.

The reflection body is preferably configured such that the outer surface of the concave portion is supported by a pair of wall portions of the heat dissipation support.

It is also preferable that the reflective body is located between a pair of wall portions of the heat dissipation support.

The reflecting body is a luminaire, characterized in that coupled to the bottom of the heat dissipation support by a thermally conductive coupling member.

According to the luminaire of the present invention, the structure for fixing the LED light source is simple, but the fixing power is excellent, and the light of the light source can be effectively used, so that high illumination can be obtained.

Moreover, according to the lighting fixture of this invention, the structure is very simple and the effect that production cost is very cheap can be acquired. Therefore, when the present invention is applied to an actual industrial site, etc., it is possible to greatly increase the illuminance at a very low cost, and also to obtain a great effect that can drastically reduce energy consumption in the industrial site.

In addition, according to the luminaire of the present invention, it is possible to obtain an effect that it is possible to simply manufacture a luminaire having a high light efficiency by using an LED bar mounted with a commercially available LED chip as a light source. .

In addition, according to the lighting apparatus of the present invention, when the reflective body and the floodlight plate member are composed of integral members, the effect of simplicity of production can be obtained.

Moreover, according to the lighting fixture of this invention, when using the reflection layer containing silver, the effect which is excellent in reflection efficiency can be acquired.

In addition, according to the lighting fixture of the present invention, it is possible to obtain an effect that it is very easy to be applied to the rod-shaped lighting installation site.

In addition, according to the present invention, by making the configuration of the transparent plate member transparent or the desired color, or by including a diffusion plate, there is an effect that the user can obtain the light of the desired type and property.

In addition, when one embodiment according to the present invention is provided with a heat dissipation support, there is an effect that the heat generated from the light source can be effectively cooled.

1 is a schematic perspective view of an luminaire of one embodiment according to the present invention;
2 is a schematic cross-sectional view taken along the line II-II of FIG. 1,
3 is a partial perspective view of the rod-shaped light emitting member of FIG.
4 is a schematic cross-sectional view of a lighting device of another embodiment according to the present invention,
FIG. 5 is a view showing a state in which the reflective body of FIG. 4 and the floodlight plate member are integrated, and have been developed before being assembled.

Hereinafter, with reference to the accompanying Figures 1 to 3 will be described the lighting device 1 of an embodiment according to the present invention.

The lighting device 1 according to the embodiment of the present invention is used for illuminating a dark place and relates to a lighting device having a shape relatively long in width.

The luminaire is generally a columnar like a conventional fluorescent lamp, it is possible to be used attached to the ceiling, or it can be used anywhere attached to the structure or used in conjunction with the structure. The transverse cross section, however, is approximately semi-circular, not circular.

The lighting device 1 of the present embodiment includes a reflective body 10, a rod-shaped light emitting member 20, a coupling part 30, and a floodlight panel member 40.

The reflective body 10 is a shape in which a hollow cylinder is cut in half in the longitudinal direction. That is, the reflecting body 10 has a concave shape in which a transverse cross section perpendicular to the longitudinal direction thereof is like a semicircle. Reflective body 10 is concave in cross-sectional shape is maintained extending elongate.

The reflective body 10 is concave down based on the direction illustrated in FIG. 2. The reflecting body 10 is a shape that can effectively collect and irradiate the light generated from the LED light source of the rod-shaped light emitting member provided at the bottom thereof and irradiate upwards, so that the transverse cross section deforms variously in addition to the semicircle. It is possible.

The reflective body 10 is made of a thin flexible plate. Reflective body 10 is preferably made by bending a film of PET material resistant to heat concave. In addition to the PET material, the reflective body can be composed of various plastic films that are relatively resistant to heat.

The reflective layer 12 is provided on the inner surface of the reflective body 10.

The inner surface of the reflective layer 12 is smoothly processed so that the light of the light source can be reflected well. In the present embodiment, the reflective layer 12 provided on the reflective body 10 is a reflective film attached to the reflective body 10 as a separate member from the reflective body 10. The reflective film is preferably a silver reflective film having a silver (Ag) coating on its inner surface. When a reflective layer is formed using silver, high reflectivity can be obtained.

In some embodiments, the reflective layer may be provided on the inner side of the reflective body in various ways. That is, the reflective layer may be composed of a reflective coating layer formed by coating with a silver (Ag) coating liquid on the inner surface of the reflective body. In another embodiment, the reflective layer may be composed of a silver (Ag) deposition layer formed by depositing silver (Ag) on the inner surface of the reflective body.

In addition, the reflective layer may be formed by coating a white pigment on the inner surface of the reflective body. The white pigment herein includes an inorganic filler and also includes all of the conventional white pigments commonly used in the art to form the reflective surface.

According to an embodiment, a white coating layer may be provided on the outer surface of the reflective body. The white coating layer is provided for aesthetics, or to add the necessary rigidity to the reflective body. The white coating layer is formed by applying a white pigment.

On the other hand, according to the embodiment, the reflection body may also be made with a thin metal plate member. In the case of being made of a metal plate member having a high reflectance on the surface, a separate reflection layer may not be provided on the inner side.

On the other hand, according to the embodiment, the reflective body may be composed of the outer member and the base plate. The base plate portion is provided separately from the outer member and is installed on the concave inner surface of the outer member. In this embodiment, a reflective layer is provided on the base plate. As the base plate, a plastic film of various materials including PET film, PC film, and acrylic film may be used as the plastic film, and a plastic film thicker than the outer member may be used as the same or different material as the half outer member. It may be desirable, but is not necessarily limited to this. In addition, the outer member is preferably a plastic film of various materials including a transparent PET film, PC film, acrylic film as a plastic film, translucent, opaque plastic film may be used.

The rod-shaped light emitting member 20 is narrow and relatively long. The upper surface of the bar-shaped light emitting member 20 is provided with a plurality of LED (LED) light source spaced apart from each other. The rod-shaped light emitting member 20 is coupled to the bottom portion of the concave inner surface of the reflective body 10.

In more detail, since the reflective layer 12 is provided on the inner surface of the reflective body 10, the rod-shaped light emitting member 20 is coupled to the bottom of the reflective body 10 with the reflective layer 12 therebetween. It is.

Referring to FIG. 3, in the present embodiment, the rod-shaped light emitting member 20 is a thin plate and has a narrow and elongated substrate 22 and an LED light source in which the substrate 22 is spaced apart from each other on the upper side. 24). The LED light source 24 is an LED semiconductor chip 24.

Rod-shaped light emitting member of such a shape is commercially available, the manufacturer can purchase it, can be used to cut to the desired length to match the length of the reflective body. As a result, there is an advantage that the desired lighting fixtures can be manufactured easily and inexpensively. Meanwhile, in another embodiment, the plurality of LED light sources provided in the rod-shaped light emitting member may be an LED bulb.

The coupling part 30 is configured to couple the rod-shaped light emitting member 20 to the bottom of the reflective body 10. Coupling portion 30 uses a double-sided tape in the present embodiment. One side of the double-sided tape is coupled to the lower side of the substrate 22 of the rod-shaped light emitting member 20. When the protective tape provided on the other side of the double-sided tape is removed and attached to the bottom portion of the reflective body 10, the rod-shaped light emitting member 20 is coupled to the reflective body 10. When the coupling portion 30 is provided with a double-sided tape, not only is it simple, but also the adhesive force can be reliably.

According to an embodiment, an adhesive may be used as the bonding portion instead of the double-sided tape. In addition, the coupling portion may be provided as a structural coupling means, for example, a coupling means consisting of a protrusion and a receiving portion into which the protrusion is fitted, coupling means such as bolts and nuts, or coupling means such as clips.

The floodlight plate member 40 is provided at an open upper end of the reflective body 10. The transparent plate member 40 serves to transmit the light generated by the light sources 24 of the rod-shaped light emitting member 20 and to protect the internal configuration from the outside.

The method of fixing the light transmitting plate member 40 to the upper end of the reflective body 10 is possible in various ways. That is, the adhesive may be bonded to each other, or the upper end of the reflective body 10 may be provided with a structure capable of fitting both ends of the floodlight plate member to combine the both.

Transparency of the light transmitting plate member 40 can be selected according to the desired degree. That is, it may be composed of a transparent plate member having a transparency capable of transmitting light almost as it is, or may be composed of a transparent plate member having a low transparency.

In addition, according to the embodiment, the light transmitting plate member may include a diffusion plate member. Here, when the transparent plate member is integrally formed with the reflective body and formed of a transparent plastic film, the transparent plate member may be provided by separately attaching a diffuser film to diffuse light on the surface thereof, or the transparent plate member and the reflective body may be integrally provided with a diffuser film material. You may. That is, the light transmitting plate member itself may be a diffuser plate member, and in another embodiment, a diffuser plate member may be attached to an outer surface of the high transparent plate member.

As the diffusion film used as the diffusion plate member, any of the diffusion film materials used in the art, such as an opaque or translucent PC film, an acrylic film, can be applied.

In addition, although not shown, in another embodiment, a filter may be provided on the outer surface of the transparent plate member.

The filter is formed of a color film or a film formed with pictures or letters, and is attached to the transparent plate member. Here, the picture and / or the letter may be in the form printed on the film, or the sticker on which the picture and / or the letter is printed may be attached to the film.

That is, as the light generated from the light source passes through the filter, the color of the filter or the picture or text formed on the filter appears in the light. In this way, the lighting can be colored as desired, or advertisement text or the like can be inserted using pictures or text.

In other words, by attaching or replacing a filter, the user can change the light emitted from the light source as desired without changing the luminaire itself.

The filter may be formed in the same shape as the transparent plate member, or of course, may be made of a different shape from the transparent plate member for convenience. As a method of attaching the filter to the light transmitting plate member, various known methods may be used.

The luminaire of the present invention is configured to supply electricity to the light source in a suitable manner. Configurations for supplying electricity may use methods known to those skilled in the art.

According to the lighting device 1 of the above-described embodiment, provided with a rod-shaped light emitting member that can be easily purchased on the market, cut to a desired length, and then bonded to the bottom of the reflective body 10 using a double-sided tape, Since it is completed, there is an advantage that manufacturing cost is low and productivity is high.

In addition, due to the reflective layer provided on the inner surface of the reflective body 10, there is an advantage that it is possible to effectively use the light generated from the LED light sources. In addition, the use of silver in the reflective layer has the advantage that the reflection efficiency is further improved.

Meanwhile, FIGS. 4 and 5 illustrate a lighting device 1a of another embodiment according to the present invention.

4 is a schematic cross-sectional view of the luminaire 1a of this embodiment. The luminaire 1a of this embodiment is characterized in that the reflecting body 10a and the floodlight plate member 40a are integrally formed as compared with the luminaire 1 of the previous embodiment. Hereinafter, only the characteristic configuration will be described mainly.

In the present embodiment, the inner surface of the reflective body 10a is provided with a reflective layer, bent along the boundary line of the member provided with the reflective layer, and one side of the transparent plate member and the reflective body are integrally coupled to each other.

Referring to FIG. 5, a rectangular member divided into two boundary lines is shown. The rectangular member forms the semicircular reflective body 10a and the flat floodlight plate member 40a of FIG. 4.

In the unitary rectangular member of FIG. 5, the right part of the boundary line is bent to form the reflecting body 10a based on the right boundary line among the two, and the middle portion of the two boundary lines is the light transmitting plate member 40a. Becomes The remaining left portion 41a is a portion that is coupled to the reflective body 10a.

A reflective layer (not shown) is provided on the upper surface of the portion to be the reflective body 10a of FIG. 5. The left side of the portion provided with the reflective layer is a light transmitting plate member.

Fold both sides of the member of Figure 5 on the basis of the two bent lines represented by the dotted line. The right portion 10a is folded in a semicircle and brought to the left folded portion so as to overlap with the left portion 41a.

On the other hand, before bending the reflective body (10a) in this manner to overlap the left portion (41a), the rod-shaped light emitting member (20a) on the upper surface of the reflective body (10a) using the coupling portion 30a in the vertical direction To combine.

In this way, the luminaire 1a as shown in FIG. 4 is simply completed. The luminaire of this embodiment has the advantage that the manufacturing cost is significantly reduced because the manufacturing is easy.

On the other hand, in the case of the lighting fixture of this embodiment, the configuration of the material of the reflective body 10a and the transparent plate member, or the judge layer provided on the reflective body is applied as it is or as appropriately modified as described in the foregoing embodiments. do.

On the other hand, in another embodiment, the light transmitting plate member and the reflecting body may be combined to form an inner accommodating space having a hemispherical cross-sectional shape to accommodate the rod-shaped light emitting member.

For example, when the folding surface is folded with respect to the plate surface of the floodlight plate member so as to form a convex surface, and the end surfaces of the floodlight plate member and the reflecting body are bonded to each other, a tubular luminaire having a hemispherical cross-sectional shape may be formed. The rod-shaped light emitting member may be installed on the reflective layer located on the convex surface thereof.

Both ends of the tubular luminaire may be open, and a packing member may be used to close at least one of the both ends, and the packing member may be led out to lead wires for power supply of the rod-shaped light emitting member. Lead wire receiving holes may be formed.

On the other hand, the lighting fixture according to the present invention may further include a heat dissipation support.

6 and 7 further show that the heat dissipation support member 50 is further provided in the luminaire 1 shown in FIG. 1.

The heat dissipation support member 50 receives heat generated from the LED semiconductor chip, which is an LED light source, and emits heat to the outside, and simultaneously plays a role of supporting other components.

The heat dissipation support member 50 includes a pair of wall portions 54 facing the bottom portion 52 and is generally “c” shaped. The bottom portion 52 has a narrow and long shape, and the pair of wall portions 54 are formed to face each other at both ends in the longitudinal direction of the bottom portion 112. The pair of wall portions are approximately at right angles to the bottom portion, but may not be at right angles depending on the embodiment. The heat dissipation support member 50 uses a light and relatively good thermal conductivity metal such as aluminum.

In the present embodiment, the outer surface of the concave portion of the reflective body 10 is coupled to the bottom portion 52 of the heat dissipation support 50. At this time, the configuration for coupling the reflective body 10 to the bottom portion 52 is preferably by the thermally conductive coupling member (60).

In the present embodiment, the thermally conductive coupling member 60 is provided with a double-sided tape having excellent thermal conductivity. When the coupling member is provided with a double-sided tape, after removing only the release paper provided on the double-sided tape, there is an advantage that the reflective body 10 can be easily fixed to the bottom of the heat dissipation support.

In some embodiments, an adhesive may be used as the bonding member instead of the double-sided tape. In addition, the coupling member may be provided as a structural coupling means, for example, a coupling means consisting of a protrusion and a receiving portion into which the protrusion is fitted, a coupling means such as bolts and nuts, or a coupling means such as a clip.

In the present embodiment, the reflecting body 10 is configured such that the outer surface of the concave portion is supported by the pair of wall portions 54 of the heat dissipation support member 50.

That is, as shown in Fig. 7, both side portions in the middle of the upwardly convex portion of the reflective body 10 are supported by the pair of wall portions 54. Since the reflective body 10 is coupled to the heat dissipation support member 50 by the coupling member 60, a portion where the outer surface of the reflective body 10 is in contact with the wall portion 54 does not have to be provided with a separate adhesive means. However, additional bonding means may be provided for a more robust bond.

In the present embodiment, since the heat dissipation support member is further provided, heat generated in the LED semiconductor chip as the LED light source can be more effectively cooled.

8 and 9 show that the lighting device 1a shown in FIG. 4 further includes a heat dissipation support member 50a.

As in the previous embodiment, the heat dissipation support member 50a receives heat generated from the LED semiconductor chip and dissipates to the outside, and simultaneously plays a role of supporting other components. The heat dissipation support member 50a is configured to include a bottom portion 52a and a pair of wall portions 54a.

Also in this embodiment, the outer surface of the concave portion of the reflective body 10a is coupled to the bottom portion 52a of the heat dissipation support member 50a by the thermally conductive coupling member 60a. Description of the thermally conductive coupling member 60a is the same as that given in the foregoing embodiment.

On the other hand, in the present embodiment, the outer surface of the recessed body 10a is positioned between the pair of wall portions 54 of the heat dissipation support member 50.

9, the reflecting body 10a is located inside the heat dissipation support as a whole. The reflective body 10a is coupled to the heat dissipation support member 50a by a coupling member 60a. Since the reflective body 10a and the transparent plate member 40a are fixed to the inside of the heat dissipation support member 50a as a whole, the internal components can be protected from external impact. In addition, since the heat dissipation support member is further provided, the heat generated from the LED semiconductor chip can be cooled more effectively.

In addition, in the present embodiment, the heat dissipation support member 50a includes a plurality of heat dissipation fins 55a protruding from the pair of wall portions 54a for more effective heat dissipation performance. A plurality of heat radiation fins 55a are formed to protrude from the wall portion 54a. Due to the heat dissipation fins 55a, a large surface area can be secured, thereby enabling more effective cooling.

1 ... light fixture 10 ... reflective body
12 ... reflective layer 20 ... light emitting member
22 ... Substrate 24 ... LED Semiconductor Chip
30 ... coupling part 40 ... floodlight member
50 ... heat dissipation support 60 ... coupling member

Claims (14)

A transverse cross section extending in the longitudinal direction, the transverse cross section perpendicular to the longitudinal direction extending in a concave shape, the inner surface having a reflective layer;
A rod-shaped light emitting member installed on the concave inner surface of the reflective body and installed on the reflective layer provided on the concave inner surface of the reflective body and including a plurality of LED light sources spaced apart from each other; And
And a light transmitting plate member provided at an upper end of the reflective body facing the reflective layer and transmitting light generated from the rod-shaped light emitting member. The method of claim 1,
The reflecting layer is a luminaire, characterized in that the reflective film is provided separately from the reflecting body attached to the reflecting body. The method of claim 1,
The reflective body further includes an outer member and a base plate provided separately from the outer member and installed on the concave inner surface of the outer member.
The reflection layer is provided on the base plate. The method according to claim 1 or 3,
The reflective layer is a luminaire, characterized in that the reflective coating layer formed by coating silver (Ag) or a white pigment, a silver (Ag) deposition layer formed by depositing silver (Ag), or a silver (Ag) reflective film. The method of claim 1,
The reflective body and the floodlight plate member is made of an integral member,
The inner surface of the reflective body is provided with the reflective layer, bent along the boundary line provided with the reflective layer, the light guide plate member and one side of the reflective body, characterized in that coupled to each other. 6. The method of claim 5,
And the light transmitting plate member and the reflecting body form an inner accommodating space having a hemispherical cross-sectional shape for accommodating the rod-shaped light emitting member. The method of claim 1,
The rod-shaped light emitting member includes a substrate having a narrow and long shape and a plurality of LED semiconductor chips mounted on the substrate. The method of claim 1,
Further comprising a coupling unit for coupling the rod-shaped light emitting member to the reflective body,
The coupling unit is an adhesive tape, adhesive, bolts and nuts, nails, pins, or clips, characterized in that the luminaire. The method of claim 1,
The floodlight plate member, the luminaire characterized in that it comprises a diffusion plate member. The method of claim 1,
The reflecting body, the luminaire further comprises a heat dissipation support that can receive heat generated from the LED light source and radiate to the outside. 11. The method of claim 10,
The heat dissipation support member includes a bottom portion formed in a longitudinal direction and a pair of facing wall portions provided at both ends of the bottom portion,
An outer surface of the concave portion of the reflective body is coupled to the bottom of the heat dissipation support. 12. The method of claim 11,
And the reflecting body is configured such that an outer surface of the concave portion is supported by a pair of wall portions of the heat dissipating support. 12. The method of claim 11,
The reflecting body is a luminaire, characterized in that located between the pair of wall portion of the heat dissipation support. 11. The method of claim 10,
The reflecting body is a luminaire, characterized in that coupled to the bottom of the heat dissipation support by a thermally conductive adhesive member.

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