KR101834743B1 - LED Lighting Apparatus - Google Patents

LED Lighting Apparatus Download PDF

Info

Publication number
KR101834743B1
KR101834743B1 KR1020150115277A KR20150115277A KR101834743B1 KR 101834743 B1 KR101834743 B1 KR 101834743B1 KR 1020150115277 A KR1020150115277 A KR 1020150115277A KR 20150115277 A KR20150115277 A KR 20150115277A KR 101834743 B1 KR101834743 B1 KR 101834743B1
Authority
KR
South Korea
Prior art keywords
led module
led
heat
light emitting
circuit portion
Prior art date
Application number
KR1020150115277A
Other languages
Korean (ko)
Other versions
KR20170021023A (en
Inventor
이동수
원원재
Original Assignee
주식회사 엠텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엠텍 filed Critical 주식회사 엠텍
Priority to KR1020150115277A priority Critical patent/KR101834743B1/en
Publication of KR20170021023A publication Critical patent/KR20170021023A/en
Application granted granted Critical
Publication of KR101834743B1 publication Critical patent/KR101834743B1/en

Links

Images

Classifications

    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21K9/20—Light sources comprising attachment means
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • Y02B20/34—

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The present invention relates to an LED illumination device. The present invention may include a first LED module including at least one LED, at least one LED, and a circuit portion excluding the LED, a light emitting portion including at least one LED, and a circuit portion excluding the light emitting portion A second LED module disposed between the first LED module and the second LED module and configured to contact the first LED module and the second LED module, An intermediate heat dissipating member for transmitting heat, and a substrate heat dissipating member surrounding the circuit portion of the first LED module and the circuit portion of the second LED module.

Description

{LED Lighting Apparatus}

The present invention relates to an LED lighting device having a structure for efficiently dissipating heat generated in an LED module.

In recent years, with the increasing interest in environmental pollution and efficient energy management, lighting devices using LEDs are attracting attention. Unlike fluorescent lamps that contain mercury, LED lighting devices are environmentally friendly because they do not contain environmental pollutants.

It has a long lifetime of about 10 times longer than fluorescent lamps and about 80100 times more than incandescent lamps, and is suitable for efficient energy management because of its low power consumption due to high light conversion efficiency. Furthermore, since the LED illumination device uses the RGB color, it has an advantage that various colors of light can be realized.

In such an LED lighting device, if the heat generated from the LED module can not be effectively emitted, the LED elements are affected and the efficiency and lifetime of the LED module deteriorate.

Particularly, in an LED lighting device related to safety such as a headlight of an automobile, it is important to provide a structure capable of increasing the heat dissipation and performance of the LED device used in the LED lighting device.

Korean Patent Registration No. 10-1012308 (Jan. 26, 2011) Korean Patent Registration No. 10-1032415 (April 25, 2011) Korean Patent Registration No. 10-1240908 (March 31, 2013)

The present invention provides an LED lighting device having a heat dissipating structure for emitting heat generated in an LED module. Specifically, it is intended to provide an LED lighting device having a heat dissipation structure that effectively dissipates heat by using a heat dissipating member which contacts both sides of the substrate of the LED module.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an embodiment of the present invention, there is provided a light emitting device including: a light emitting unit including at least one LED, at least one LED, and a first LED module including a circuit portion excluding a light emitting portion; A second LED module disposed between the first LED module and the second LED module, the first LED module including a circuit portion that is an area excluding the first LED module, the light emitting portion being disposed in a direction different from the first LED module, An intermediate heat dissipation member that contacts the second LED module and transmits heat, and a substrate heat dissipation member that surrounds the circuit portion of the first LED module and the circuit portion of the second LED module.

Here, the light emitting unit of the first LED module or the second LED module includes a first LED unit having a plurality of LEDs arranged in an L-shape, a second LED unit having a plurality of LEDs arranged in rows and columns, Section.

The substrate heat dissipating member may surround the circuit portion of the first LED module and the circuit portion of the second LED module. The center portion of the substrate heat dissipating member may be recessed and a hole may be formed to surround the circuit portion of the first LED module and the circuit portion of the second LED module. And a guide plate for guiding light generated in the first LED unit can be formed.

Meanwhile, the intermediate heat dissipating member includes a module coupling portion having a plate shape and having both side surfaces thereof with the first LED module and the second LED module, and an extension portion extending from the coupling portion and having an empty space therein can do.

The LED lighting apparatus further comprises a socket fitted to the extension of the intermediate heat dissipating member and having a plurality of protruding pieces formed thereon for attachment, and a heat absorbing member fitted to the extension of the intermediate heat dissipating member and being transmitted by the intermediate heat dissipating member And a heat sink for discharging the heat.

The socket may include a flange that is fitted to the extension of the intermediate heat dissipating member and is rotatable and can be fixed at a rotated position, and a bracket coupled to an outer circumferential surface of the flange and having protruding pieces for attachment.

The heat radiating member may include a first heat radiating plate sandwiched between the extension parts of the intermediate heat radiating member, a second heat radiating plate sandwiched between the extension parts of the intermediate heat radiating member and disposed adjacent to the first heat radiating plate, A fan disposed on one side of the two heat sinks to allow the heat transferred to the first heat sinks and the second heat sink to be discharged, and a case surrounding the first heat sinks, the second heat sinks, and the fan.

The front radiating member may include a front upper body surrounding the front of the circuit portion of the first LED module and a front lower body surrounding the front portion of the circuit portion of the second LED module and separated from the front upper body, The rear heat dissipation member may include a rear upper body surrounding the rear portion of the circuit portion of the first LED module and a rear lower body surrounding the rear portion of the circuit portion of the second LED module and separated from the rear upper body .

And a projection lens having a hollow portion for receiving the first LED module and the second LED module, wherein the projection lens is formed with an extension extending toward the rear of the first LED module and the second LED module, The rear heat radiation member may include protrusions protruding in a shape corresponding to the extended portion and contacting the rear of the first LED module and the second LED module to increase the heat dissipation area.

According to the embodiment of the present invention, the heat radiation member contacting both sides of the substrate of the LED module effectively dissipates the heat generated by the LED module, thereby preventing the performance and life of the LED lighting device caused by heat.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view of an LED illumination device according to a first embodiment of the present invention;
2 is an exploded perspective view of the LED illumination device of FIG. 1;
3 is a cross-sectional view of the LED illumination device of FIG.
Fig. 4 is a perspective view showing a state in which the intermediate heat-radiating member and the kitchen heat-generating member of the LED illumination device of Fig. 1 are engaged; Fig.
5 is a perspective view of an LED illumination device according to a second embodiment of the present invention;
FIG. 6 is an exploded perspective view of the LED illumination device of FIG. 5;
7 is a sectional view of the LED illumination device of FIG. 5;

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the configuration, function, and operation of an LED illumination apparatus according to the present invention will be described with reference to the accompanying drawings. It should be noted, however, that the same reference numerals will be used for the same or similar components throughout the embodiments.

In the following description, terms such as 'first', 'second', and the like are used to distinguish constituent elements whose technical meaning is within the same range for convenience.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, therefore, are not to be construed as limiting the technical spirit of the invention. It is to be understood that the invention is not to be limited by any of the details of the description to those skilled in the art from the standpoint of a person skilled in the art that any or all of the drawings shown in the drawings are not necessarily the shape,

FIG. 1 is a perspective view of an LED illumination device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the LED illumination device of FIG. 1, and FIG. 3 is a sectional view of the LED illumination device of FIG.

The LED lighting apparatus 100 according to an embodiment of the present invention includes a first LED module 110 and a second LED module 120 that are coupled to each other and heat generated in contact with the substrates of the LED modules 110 and 120 And a middle heat dissipation member 150 disposed between the first LED module 110 and the second LED module 120. The socket body 140 is disposed on the rear side of the substrate heat dissipation member 140, (170) and a socket (170).

The LED illumination device 100 having the above-described structure may be combined with a hemispherical reflection plate (not shown) and used in a headlight of an automobile.

According to this configuration, the heat dissipating member contacting both sides of the substrate of the LED module effectively dissipates the heat generated by the LED module, thereby preventing the performance and the life of the LED lighting device caused by the heat.

The first LED module 110 includes a light emitting portion 111 having at least one LED on a substrate and a circuit portion 115 which is a region other than the light emitting portion 111. The circuit unit 115 includes a circuit wiring, a driver, and the like for supplying a current to the light emitting unit 111.

The light emitting portion 111 may be formed of a plurality of LEDs as a portion for generating light in accordance with the supply of current.

Referring to the drawings, a plurality of LEDs are arranged in a region of two portions of the circuit portion 115 in a gathered manner. That is, the light emitting portion 111 includes a first LED portion 112 arranged substantially in a line and a second LED portion 113 arranged in a matrix form apart from the first LED portion 112. Here, the first LED unit 112 may be downward directed at the headlight of the automobile, and the second LED unit may serve the upward light.

In addition, referring to the drawings, the first LEDs are arranged in a row, and one LED is disposed above one end of the first LEDs to form an L-shape as a whole. This is for reinforcing light of a specific part, which will be described later.

The second LED module 120 has the same configuration as that of the first LED module 110. A light emitting portion 111 having at least one LED, and a circuit portion 115 having a driver for supplying current to the light emitting portion 121 as the remaining region.

In addition, other detailed configurations may employ the configuration of the first LED module 110, and the same description of the first LED module 110 may be applied thereto.

The substrate heat dissipation member 140 dissipates heat generated from the first LED module 110 and the second LED module 120 to the outside. The substrate heat dissipation member 140 may surround the edges of the first LED module 110 and the circuit portions 115 of the second LED module 120 so as to surround the edges of the first LED module 110 and the second LED module 120. [ Thereby effectively releasing heat generated from the first LED module 110 and the second LED module 120 by contacting the substrates.

Referring to the drawings, the substrate heat dissipation member 140 is formed of two parts, and each part is coupled to each other by a fastener in a state of being in contact with the upper surfaces of the first LED module 110 and the second LED module 120 . The substrate heat dissipating member 140 has a substantially cylindrical shape and a central portion thereof is recessed and a square hole is formed so that the first LED module 110 and the circuit portion 115 of the second LED module 120 are exposed. Both sides of the wavy surface are inclined.

With this configuration, the substrate heat radiation member 140 can smoothly discharge the heat generated in the circuit portion 115 and light emitted from the light emitting portion 111 can be easily spread.

Meanwhile, a guide plate 149 for guiding light emitted from the first LED unit of the light emitting unit 111 may be formed on the substrate heat dissipation member 140. The guide plate 149 is formed to have an inclined surface and is positioned below the first LED unit when the substrate radiating member 140 is coupled to the first LED module 110 and the second LED module 120.

Here, the inclination of the guide plate 149 provided on the side of the first LED module 110 and the guide plate 149 provided on the side of the second LED module 120 are different from each other. This allows the light of the LED module directed to the driver side to be guided upward so that it can emit farther and the light of the LED module directed toward the center line of the driveway guides relatively downward to prevent the glare of the driver.

The light guided by the guide plate 149 is reflected by a reflector (not shown) and is directed forward. Since the angle of the light is changed by the guide plate, there is a portion where the light is bright, Occurs. Specifically, an end portion of a light-emitting region or a region where a light is directed toward a lead-in portion can be reinforced by an L-shaped LED arrangement.

On the other hand, the substrate radiation member may be formed of an aluminum material having excellent thermal conductivity.

The intermediate heat dissipation member 150 transfers the heat generated from the first LED module 110 and the second LED module 120 to the heat generating member 180 and discharges the heat to the outside. One side of the intermediate heat radiation member 150 is in contact with the bottom surface of the first LED module 110 and the bottom surface of the circuit portion 115 of the second LED module 120 and the other side thereof is connected to the heat source member 180, The heat generated from the first LED module 110 and the second LED module 120 is effectively transmitted to the heat generating member 180.

The intermediate heat dissipation member 150 includes a module coupling portion 151 to which the first LED module 110 and the second LED module 120 are attached and a heat conductive member 180 extending from the module coupling portion 151, (Not shown).

The first and second LED modules 110 and 120 are attached to both sides of the module coupling unit 151, and heat generated from the LED modules 110 and 120 is transmitted.

The extended portion 152 is formed in a cylindrical shape and has a large area and can transfer a large amount of heat. The extended portion 152 is inserted into a through hole formed in the first heat radiating plate 181 and the second heat radiating plate 182 of the kitchen heat generating member 180, Heat can be easily transferred to the heat member 180.

An empty space is formed in the extension 152 so that the electric wiring is formed by the LED module, and a seal 190 is coupled to the end of the space.

With this configuration, the substrate heat radiation member 140 can smoothly transfer heat generated in the circuit portion 115 to the heat radiation member 180. The transferred heat is discharged to the outside by the heat generating member 180.

On the other hand, a graphene coating layer may be formed on the intermediate heat dissipation member 150. Heat transfer efficiency is better when a graphene coating layer is formed.

The socket 170 is interposed between the LED modules 110 and 120 and the main heat generating member 180 and allows the LED lighting device to be attached to the attaching position. A flange 177 formed with a hole 176 and a bracket 175 coupled to the flange 177 on the outer circumferential surface and attached to the attachment position to fix the LED illumination device.

Referring to the drawing, the front of the socket 170 is in contact with the substrate heat releasing member 140, and the rear of the socket 170 is in contact with the heat generating member 180. A through hole 176 is formed in the center of the socket 170 to allow the intermediate heat radiation member 150 to pass therethrough. The socket 170 is supported by the intermediate heat-dissipating member 150 so that the heat transmitted from the substrate heat-dissipating member 140 and the intermediate heat-dissipating member 150 is transmitted to the heat- do.

Shaped slit hole 175a is formed in the bracket 175 and a protrusion 177a is formed in the flange 177 so that the protrusion 177a is inserted into the slit hole 175a, The flange 177 is engaged. A protrusion is formed at the end of the slit hole 175a so that the width of the slit hole 175a is reduced and the protrusion 177a is inserted into the slit hole 175a so that the bracket 175 and the flange 177 are engaged. The O-ring 190 is fitted in the groove formed in the flange 179 to maintain the airtightness when the flange 177 and the bracket 175 are engaged, and to prevent water from penetrating into the light emitting portion from the outside.

The bracket 175 is provided with a plurality of protruding pieces 175b for attaching the LED illumination device to the mounting position. The projection piece 175b is placed at the attachment position of the object and is attached using a locking device (not shown).

The flange 177 is rotatable about the extended portion 152 of the intermediate heat radiation member 150. A hole 177b is formed in the flange 177 in the center direction, and a fastener 177c can be inserted into the hole. The inserted fastener 177c presses the extended portion 152 of the intermediate heat dissipating member 150 to fix the position of the flange 177. [ It is possible to rotate the flange 177 to a desired position and fix it to the intermediate heat radiation member 150 using a fastener.

Being able to rotate the flange 177 to a desired position means that the bracket 175 coupled with the flange 177 can be rotated to a desired position.

It is preferable that the LED modules 110 and 120 are always placed in a predetermined direction. That is, for example, as shown in the drawing, it is necessary to keep the first LED module 110 and the second LED module 120 in contact with each other in the vertical direction. In particular, in the present embodiment in which the first LED unit 112, the second LED unit 113, and the guide plate 149 are provided, when the LED module is mounted in a rotated state, Because.

However, depending on the object, the positions where the projection pieces 175b of the bracket 175 are attached may be different from each other. Specifically, depending on the type of vehicle, the seat for attachment of the headlight may vary.

If the bracket 175 is in a fixed form, the entirety of the LED lighting device must be rotated so that the protruding piece is aligned with the mounting position of the object, and when the attachment is completed, the LED module may not be positioned in the predetermined direction.

In this embodiment, since the bracket 175 can be rotated and fixed to the attachment position in a state where the LED module is positioned in the predetermined direction, even if the attachment object is changed and the position where the projection 175b is attached is changed, Always make it in the specified direction.

The first heat radiating plate 181, the second heat radiating plate 182, the fan 183, and the second heat radiating plate 180 are formed on the heat radiating member 150, And a case 184.

The first heat radiating plate 181 is located at a front portion of the heat generating member 180 and has a dome shape at an outer periphery so as to correspond to a front portion of the case 184. [ The second heat radiating plates 182 are arranged in a row behind the first heat radiating plates 181 and have a rectangular outer shape corresponding to the rear portion of the case 184.

A through hole is formed in the center of the first heat radiating plate 181 and the second heat radiating plate 182, and the intermediate heat radiating member 150 is inserted into the through hole. The heat of the intermediate heat radiation member 150 is smoothly transferred to the first heat radiation plate 181 and the second heat radiation plate 182.

The first heat radiating plate 181 and the second heat radiating plate 182 are preferably manufactured by press-working aluminum having excellent thermal conductivity so that both ends thereof are bent and then bonding them together. On the other hand, the first heat radiating plate 181 and the second heat radiating plate 182 may be combined to form a heat radiating plate.

Referring to FIG. 4, the first heat radiating plate 181 or the second heat radiating plate 182 is formed by combining several accessory plates 183. Both ends of the accessory plate are bent and a hole 183a is formed at the center. In addition, a fitting hole 183b is formed at the bent edge of the accessory plate, a fitting protrusion 183c is formed at the bent end, and a rib 183d is formed at the rim of the center hole.

In the accessory plates 183 thus formed, the fitting projections and the fitting grooves of the adjacent accessory plate 183 are engaged with each other, thereby completing the heat radiating plate formed by combining the plurality of accessory plates 183. The fitting protrusions 183c are formed of two protrusions having sharp ends and are spaced apart from each other and can be easily coupled to the fitting recesses.

Meanwhile, the length of the bent portion of the accessory plate and the length of the rib formed at the center can be adjusted to adjust the interval of the accessory plate, and the number of the accessory plates to be arranged can be adjusted by adjusting the thickness of the accessory plate.

Therefore, since the accessory plate can be finely arranged, a large heat radiation effect can be obtained even with a small size.

The fan 183 is disposed on the upper or lower portion of the first heat radiating plate 181 and the second heat radiating plate 182 to generate a wind and heat transmitted to the first heat radiating plate 181 and the second heat radiating plate 182 is discharged to the outside . On the other hand, the case 184 surrounds the first heat radiating plate 181, the second heat radiating plate 182, and the fan 183.

The case 184 is formed by being divided into two parts. The first heat radiating plate 181 and the second heat radiating plate 182 and the fan 183 can be fixed in position without being coupled using a separate connecting member by the coupling of the case 184.

Next, an LED lamp according to a second embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 5 is a perspective view of an LED illumination device according to a second embodiment of the present invention, FIG. 6 is an exploded perspective view of the LED illumination device of FIG. 5, and FIG. 7 is a sectional view of the LED illumination device of FIG.

The LED lamp according to the second embodiment of the present invention is of a type in which the substrate heat dissipating member is separated and has a projection lens that accommodates the first LED module and the second LED module.

The LED module used in the LED module according to the second embodiment of the present invention is the same as the LED module used in the first embodiment. The description of the first LED module 110 and the second LED module 120 Can be applied as it is.

The substrate heat dissipation member 140 includes a front heat dissipation member 141 surrounding the front of the first LED module 110 and the second LED module 120 and a rear heat dissipation member 145 surrounding the rear .

Since the heat generated in the light emitting portion 111 is diffused both forward and backward, heat is diffused more quickly than when heat is diffused only to one side. The heat thus dissipated is rapidly discharged to the outside through the front heat radiation member 141 and the rear heat radiation member 145 which are two heat dissipation members so that the LED elements in the first LED module 110 and the second LED module 120, It is possible to prevent the driver circuit and the like from being damaged by heat.

The substrate heat dissipating member 140 may include an upper body and a lower body. Specifically, the front heat radiation member 141 includes a front upper body 142 and a front lower body 143 surrounding the front of the substrate. Further, the rear heat radiation member 145 includes a rear upper body 146 and a rear lower body 147 which surround the rear of the substrate.

6, the front upper body 142, the first LED module 110, the second LED module 120, and the front lower body 143 may be coupled to each other through screwing or the like. Similarly, the rear upper body 146, the first LED module 110, the second LED module 120, and the rear lower body 147 may be coupled to each other through screw fastening or the like.

The first LED module 110 and the second LED module 120 are inserted into the hollow portion 131 of the light transmission lens 130 and the light emitting portion 111 is positioned in the hollow portion 131 at the time of assembly. The front upper body 142 and the front lower body 143 are screwed into contact with the front sides of the substrates of the LED modules 110 and 120 so that the rear upper body 146 and the rear lower body 147 So as to come into contact with the rear of the substrate. The front heat radiation member 141 and the rear heat radiation member 145 can be coupled to each other so as to firmly contact the substrates of the LED modules 110 and 120 by the simple screw fastening method.

The intermediate heat dissipation member 150 is interposed between the first LED module 110 and the second LED module 120 in order to rapidly diffuse the heat generated in the light emitting unit 111. The intermediate heat dissipation member 150 easily dissipates the heat generated in the light emitting unit 111 and quickly diffuses the heat into the entire LED modules 110 and 120. As a result, the heat is quickly dissipated to the front heat radiation member 141 and the rear heat radiation member 145.

In this embodiment, two plate type LED modules are coupled to each other. However, the present invention is not limited to this example. For example, the three plate type LED modules may have a triangular column shape having a hollow shape or the four plate type LED modules may have a rectangular column shape And the like.

The projection lens 130 has a hollow portion 131 for receiving the light emitting portion 111 and diffuses the light emitted from the light emitting portion 111. In order to diffuse the light in various ways, the cross-sectional shape of the hollow part 131 may be various shapes such as an ellipse shape, a concave lens shape, and a rugged ellipse shape.

The projection lens 130 is formed with an extension 132 extending rearward and spaced apart from the substrate to form a groove 133. In correspondence with this, the rear heat radiation member 145 protrudes in a shape corresponding to the groove 133, and a protrusion 146a which increases the heat radiation area in contact with the substrate exposed in the groove 133 is provided.

Specifically, the projection lens 130 may include an extension portion 132 extending rearward to diffuse the light emitted from the light emitting portion 111 more widely. Shaped groove 133 is formed in a side portion of the extension portion 132 facing the rear heat radiation member 145. The rear heat radiation member 145 is provided with a groove 133 having a shape of < And a protrusion 146a corresponding to the protrusion 146a. The extending portions 132 and the grooves 133 may be formed on both sides of the light transmitting lens 130 and the front heat dissipating member 141.

The extended portion 132 of the projection lens 130 diverges light emitted from the light emitting portion 111 into a wider area. That is, the light emitting device 100 can emit brighter light by expanding the light emitting region.

If the extending portion 132 is formed without the groove 133 so that the projection lens 130 completely surrounds the rear side of the substrate, the area of contact of the rear heat-dissipating member 145 with the substrate is reduced and the heat radiation efficiency is lowered . On the other hand, an effect of guiding light to the reflecting surface by the inclined surface of the projection 146a can be expected.

In the present invention, the groove 133 is formed in the extending portion 132 and the protruding portion 146a having a shape corresponding to the groove 133 is brought into contact with the substrate. Thus, the extended portion 132 of the transmitting lens 130 allows the rear heat dissipation Thereby preventing the area of the substrate contacting the member 145 from being reduced. In summary, the light is diffused more widely by the extended portion 132 of the projection lens 130, the thermal efficiency can be prevented from being lowered by the protruding portion 146a of the rear heat radiation member 145, Hour).

The front half of the socket 170 engages with the rear heat releasing member 145 and the rear half engages with the kitchen heat member 180. The socket 170 includes a bracket 175 having a penetration portion 176 into which the rear of the rear heat radiation member 145 is inserted and a flange 177 formed at the center of the bracket 175.

The rear side of the socket 170 is inserted into the engaging portion 185 of the kitchen heat member 180 and the flange 177 contacts the front face of the kitchen heat member 180.

An o-ring 179 is coupled with the socket 170 to secure the connection with the reflector (not shown) to which the LED illumination device 100 is attached. A seal 190 is inserted into the engaging portion 185 at the rear of the heat generating member 180 and is engaged with a screw or the like.

The above-described LED illumination apparatus can be applied to a configuration and a method of the embodiments described above in a limited manner, but the embodiments may be configured such that all or some of the embodiments are selectively combined so that various modifications can be made. have.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, 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 invention as defined by the appended claims.

100: LED illumination device
110: first LED module
111: light emitting portion 112: first LED portion 113: second LED portion 115:
120: second LED module
130: projection lens 131: hollow part 132: extension part 133: groove
140: substrate radiation member
141: front heat radiating member 142: front upper body 143: front lower body
145: rear heat radiating member 146: rear upper body 147: rear lower body
146a:
149: guide plate
150: intermediate heat radiating member 151: module connecting portion 152:
170: Socket 175: Bracket 175a: Slit hole 175b: Projection piece 176:
177: flange 177a: projecting portion 177b: hole 177c: fastening hole 179: o-ring
180:
181: first heat radiating plate 182: second heat radiating plate 183: fan 184: case 185:
183: accessory plate 183a: hole 183b: fitting hole 183c: fitting protrusion 183d: rib
190: seal

Claims (9)

A first LED module including a light emitting portion including at least one LED, and a circuit portion excluding a light emitting portion,
A second LED module including a light emitting part including at least one LED, and a circuit part excluding the light emitting part, the light emitting part being disposed in a direction different from that of the first LED module,
One end of the first LED module is connected to the first LED module and the other end of the second LED module is connected to the first LED module and the second LED module, An intermediate heat dissipating member for transmitting heat generated in the LED module to the extended portion,
A substrate heat radiating member surrounding the circuit portion of the first LED module and the circuit portion of the second LED module,
And a heat radiating member which is fitted to the extension of the intermediate heat radiation member and emits heat transmitted by the intermediate heat radiation member,
Lt; / RTI &gt;
Wherein the plurality of auxiliary heat plates are joined to each other,
The auxiliary plate is bent at both ends and has a hole formed at its center, a rib is formed at the rim of the center hole,
A fitting hole is formed in the bent edge of the accessory plate and a fitting protrusion is formed at the bent end,
The fitting protrusions are formed by two protrusions each having a sharp end and spaced apart from each other and are engaged with fitting holes of adjacent fitting plates,
Wherein the light emitting unit includes a first LED unit having LEDs arranged in a line and a second LED unit having LEDs arranged in a matrix form so as to be spaced apart from the first LED unit,
The first LEDs are arranged in an L-shape in such a manner that LEDs are disposed above one end of the LEDs arranged in a line,
Wherein the substrate heat dissipating member is formed with a guide plate disposed along the lower portion of the first LED portion and guiding light emitted from the first LED portion,
The inclination of the guide plate provided on the side of the first LED module and the guide plate provided on the side of the second LED module are different from each other so that the guide side further guides the light upward,
The extended portion of the intermediate heat radiation member is formed in a cylindrical shape and inserted into a hole formed in an accessory plate of the heat insulating member to easily transmit heat to the heat insulating member,
The extension part is formed with an empty space, a seal is coupled to the end part, and electric wiring is formed between the first LED module and the second LED module along the space.
LED lighting device. The method according to claim 1,
The substrate heat dissipating member is formed so as to surround the circuit portion of the first LED module and the circuit portion of the second LED module. The central portion of the substrate dissipates and the hole is formed so that the circuit portions of the first LED module and the second LED module Wherein the light emitting device is an LED. delete The method according to claim 1,
And a socket which is fitted to the extension of the intermediate heat radiation member and has a plurality of projections for attachment. 5. The method of claim 4,
The socket includes:
A flange that is fitted to the extension of the intermediate heat radiation member and is rotatable and fixable in a rotated position;
A bracket coupled to an outer circumferential surface of the flange and having protruding pieces for attachment;
And a light emitting diode (LED). delete delete The method according to claim 1,
Wherein the substrate heat dissipating member includes a front heat dissipating member and a rear heat dissipating member,
The front heat-
A front upper body surrounding a front portion of the circuit portion of the first LED module,
And a front lower body that surrounds the front of the circuit portion of the second LED module and is separated from the front upper body,
The rear heat-
A rear upper body surrounding the rear portion of the circuit portion of the first LED module,
And a rear lower body surrounding the rear portion of the circuit portion of the second LED module and separated from the rear upper body. 9. The method of claim 8,
And a projection lens having a hollow portion for receiving the first LED module and the second LED module,
Wherein the projection lens is formed with an extension extending toward the rear of the first LED module and the second LED module,
Wherein the rear heat dissipating member is provided with a protrusion protruding in a shape corresponding to the extending portion and contacting the rear of the first LED module and the second LED module to increase a heat radiation area.
KR1020150115277A 2015-08-17 2015-08-17 LED Lighting Apparatus KR101834743B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150115277A KR101834743B1 (en) 2015-08-17 2015-08-17 LED Lighting Apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150115277A KR101834743B1 (en) 2015-08-17 2015-08-17 LED Lighting Apparatus

Publications (2)

Publication Number Publication Date
KR20170021023A KR20170021023A (en) 2017-02-27
KR101834743B1 true KR101834743B1 (en) 2018-03-06

Family

ID=58315944

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150115277A KR101834743B1 (en) 2015-08-17 2015-08-17 LED Lighting Apparatus

Country Status (1)

Country Link
KR (1) KR101834743B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102354819B1 (en) * 2017-03-17 2022-01-24 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 Light source module and head lamp having thereof
KR102304452B1 (en) * 2017-04-06 2021-09-23 엘지이노텍 주식회사 Light source module and head lamp having thereof
CN109424918A (en) * 2017-06-22 2019-03-05 诚益光电科技股份有限公司 Light projection device and its radiating module
JP2023006510A (en) * 2021-06-30 2023-01-18 日亜化学工業株式会社 Light-emitting module, vehicle lamp, and heat dissipation member

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3195848B2 (en) * 1993-03-16 2001-08-06 出光興産株式会社 Method for producing polycarbonate copolymer
CN203533386U (en) * 2013-10-28 2014-04-09 广州市雷腾照明科技有限公司 LED automobile light with light source protecting cover

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012308B1 (en) 2008-10-01 2011-02-08 주식회사 아모럭스 Radiator and Bulb Type LED Lighting Apparatus Using the Same
KR101032415B1 (en) 2008-12-05 2011-05-03 주식회사 아모럭스 Radial type radiator and LED lighting apparatus of bulb type using the same
KR101240908B1 (en) 2011-06-09 2013-03-11 주식회사 파인테크닉스 LED illuminator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3195848B2 (en) * 1993-03-16 2001-08-06 出光興産株式会社 Method for producing polycarbonate copolymer
CN203533386U (en) * 2013-10-28 2014-04-09 广州市雷腾照明科技有限公司 LED automobile light with light source protecting cover

Also Published As

Publication number Publication date
KR20170021023A (en) 2017-02-27

Similar Documents

Publication Publication Date Title
US8384275B2 (en) Light emitting element lamp and lighting equipment
US7670034B2 (en) LED lamp
US8888330B2 (en) Omnidirectional LED lighting apparatus
KR200479421Y1 (en) easy heat release spherical lighting
US20100253226A1 (en) Energy-saving lighting fixture
US20080211429A1 (en) LED lamp
KR101834743B1 (en) LED Lighting Apparatus
US20130051035A1 (en) Lighting apparatus
US20130039070A1 (en) Lamp with front facing heat sink
KR101256865B1 (en) Led lamp for lighting
JP3163443U (en) LED lighting device
KR101276326B1 (en) Pcb with via hole, led module and led light
KR20110042611A (en) Led illumination apparatus
KR20110003221U (en) Led light
KR200454488Y1 (en) Lighting equipment
KR101099572B1 (en) led illumination lamp
KR100960735B1 (en) Illuminator having led lens
KR100971662B1 (en) Led lamp
KR20040081846A (en) LED lamp for signal light
JP2017208158A (en) Lighting device
KR101803010B1 (en) LED Illumination Equipment
KR101075881B1 (en) LED lighting system
KR100827629B1 (en) Floodlighting apparatus
KR20160061047A (en) Led module
KR20150012025A (en) Led illumination apparatus

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
AMND Amendment
X701 Decision to grant (after re-examination)