KR20170021023A - LED Lighting Apparatus - Google Patents
LED Lighting Apparatus Download PDFInfo
- Publication number
- KR20170021023A KR20170021023A KR1020150115277A KR20150115277A KR20170021023A KR 20170021023 A KR20170021023 A KR 20170021023A KR 1020150115277 A KR1020150115277 A KR 1020150115277A KR 20150115277 A KR20150115277 A KR 20150115277A KR 20170021023 A KR20170021023 A KR 20170021023A
- Authority
- KR
- South Korea
- Prior art keywords
- led module
- heat
- led
- light emitting
- heat radiating
- Prior art date
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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—
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
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.
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
The
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
The
Referring to the drawings, a plurality of LEDs are arranged in a region of two portions of the
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
In addition, other detailed configurations may employ the configuration of the
The substrate
Referring to the drawings, the substrate
With this configuration, the substrate
Meanwhile, a
Here, the inclination of the
The light guided by the
On the other hand, the substrate radiation member may be formed of an aluminum material having excellent thermal conductivity.
The intermediate
The intermediate
The first and
The
An empty space is formed in the
With this configuration, the substrate
On the other hand, a graphene coating layer may be formed on the intermediate
The
Referring to the drawing, the front of the
The
The
Being able to rotate the
It is preferable that the
However, depending on the object, the positions where the
If the
In this embodiment, since the
The first
The first
A through hole is formed in the center of the first
The first
Referring to FIG. 4, the first
In the
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
The
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
The substrate
Since the heat generated in the
The substrate
6, the front
The
The intermediate
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
The
Specifically, the
The
If the extending
In the present invention, the
The front half of the
The rear side of the
An o-
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:
177: flange 177a: projecting
180:
181: first heat radiating plate 182: second heat radiating plate 183: fan 184: case 185:
183:
190: seal
Claims (9)
A second LED module including a light emitting part having at least one LED, and a circuit part excluding the light emitting part, the light emitting part being disposed in a direction different from the first LED module,
An intermediate heat dissipating member disposed between the first LED module and the second LED module and contacting the first LED module and the second LED module to transmit heat,
A substrate heat radiation member surrounding the circuit portion of the first LED module and the circuit portion of the second LED module,
And a light emitting diode (LED).
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 Exposed,
And a guide plate for guiding light generated in the first LED unit is formed.
The intermediate heat-
A module coupling portion having a plate shape and having the first LED module and the second LED module attached to both sides thereof,
An extending portion extending from the engaging portion and having an empty space therein,
And a light emitting diode (LED).
A socket which is fitted in the extension of the intermediate heat radiation member and has a plurality of protrusion pieces for attachment, and
And a heat radiating member which is fitted to the extension of the intermediate heat dissipating member following the socket and emits heat transmitted by the intermediate heat dissipating member,
And a light emitting diode (LED).
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).
Wherein the heat insulating member
A first heat radiating plate sandwiched between the extended portions of the intermediate heat radiating member,
A second heat sink fitted to the extension of the intermediate heat dissipating member and disposed adjacent to the first heat sink,
A fan disposed on one side of the first heat radiating plate and the second heat radiating plate to generate heat to discharge heat transferred to the first heat radiating plate and the second heat radiating plate,
The first heat radiating plate, the second heat radiating plate, and the case
And a light emitting diode (LED).
Wherein the first heat radiating plate or the second heat radiating plate is composed of a plurality of plates bent at both ends thereof coupled to each other.
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.
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.
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 |
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KR20170021023A true KR20170021023A (en) | 2017-02-27 |
KR101834743B1 KR101834743B1 (en) | 2018-03-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150115277A KR101834743B1 (en) | 2015-08-17 | 2015-08-17 | LED Lighting Apparatus |
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KR (1) | KR101834743B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180106191A (en) * | 2017-03-17 | 2018-10-01 | 엘지이노텍 주식회사 | Light source module and head lamp having thereof |
KR20180113331A (en) * | 2017-04-06 | 2018-10-16 | 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 |
US11725796B2 (en) * | 2021-06-30 | 2023-08-15 | Nichia Corporation | Light-emitting module, vehicle lamp, and heat dissipation member |
Citations (3)
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 |
Family Cites Families (2)
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 |
-
2015
- 2015-08-17 KR KR1020150115277A patent/KR101834743B1/en active IP Right Grant
Patent Citations (3)
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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180106191A (en) * | 2017-03-17 | 2018-10-01 | 엘지이노텍 주식회사 | Light source module and head lamp having thereof |
KR20180113331A (en) * | 2017-04-06 | 2018-10-16 | 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 |
US11725796B2 (en) * | 2021-06-30 | 2023-08-15 | Nichia Corporation | Light-emitting module, vehicle lamp, and heat dissipation member |
Also Published As
Publication number | Publication date |
---|---|
KR101834743B1 (en) | 2018-03-06 |
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