KR101724531B1 - Lighting apparatus - Google Patents
Lighting apparatus Download PDFInfo
- Publication number
- KR101724531B1 KR101724531B1 KR1020150066221A KR20150066221A KR101724531B1 KR 101724531 B1 KR101724531 B1 KR 101724531B1 KR 1020150066221 A KR1020150066221 A KR 1020150066221A KR 20150066221 A KR20150066221 A KR 20150066221A KR 101724531 B1 KR101724531 B1 KR 101724531B1
- Authority
- KR
- South Korea
- Prior art keywords
- led
- light emitting
- light
- substrate
- cover
- Prior art date
Links
Images
Classifications
-
- 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
-
- F21V29/004—
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A lighting device is disclosed. An illumination device of the present invention includes: a light emitting module including a substrate and an LED coupled to the substrate; A diffusing cover which is located in front of the LED and transmits, refracts, and reflects light emitted from the LED, and has a light emitting surface constituting the opposite surface of the LED and a bent surface constituting a surface bent toward the LED at the end of the emitting surface, ; And a lower cover which is in close contact with the curved surface so as to shield the light so that the light totally reflected in the diffusion cover is not transmitted through the curved surface. According to the present invention, it is possible to form an illumination device capable of increasing the ratio of vertical light and achieving narrowing of the beam angle effectively, and in addition to being easy to assemble and maintaining stable coupling between components, It is possible to provide an illumination device having an air circulation speedy and excellent in heat radiation effect.
Description
The present invention relates to a lighting apparatus, and more particularly, to a lighting apparatus using a LED for illumination and having a cover that transmits, refracts, and reflects light emitted from the LED.
In recent years, a lighting lamp using a light emitting diode (LED) as a light source is widely used as an illumination lamp using electric energy.
A light emitting diode (LED) is smaller in size than a conventional incandescent lamp or a fluorescent lamp, has a long life span and is favorable for energy efficiency. However, since the life is shortened when the heat emitted from the LED is not properly discharged, Emission of heat generated is an important factor in the manufacture of LED lamps.
In this regard, Korean Patent No. 10-1308394 discloses a " optical semiconductor-based illumination apparatus ", and specifically discloses a lighting apparatus in which a bracket assembly incorporating a power supply device is mounted on an upper side of a heat sink having a fixed unit, It is described that the installation and construction are easy to apply to the light, the fault location is easy to grasp, and maintenance and replacement can be made easily.
On the other hand, in order to increase the amount of light (light amount), the amount of the light emitting element to be used must be increased. For the heat dissipation required at this time, most lighting devices are provided with a heat sink or a heat dissipating fin.
However, when a plurality of light emitting devices are used, the volume of the lighting device is increased, and a plurality of heat-dissipating fins are also required, so that the volume of the lighting device as a whole is further increased. At this time, It is possible to cause malfunction or breakage of the lighting device. Therefore, it is required to provide a lighting device of a type that can prevent this.
It is an object of the present invention to provide a lighting apparatus having a structure in which light emitted by LEDs can be sufficiently diffused, a beam angle can be narrowed, and heat can be effectively dissipated when a plurality of LEDs are used for illumination will be.
The object is achieved by a light emitting module comprising a substrate and an LED coupled to the substrate; A light emitting surface which is positioned in front of the LED and transmits, refracts, and reflects light emitted from the LED, and has a light emitting surface constituting the opposite surface of the LED, and a bent surface constituting a surface bent toward the LED, And a diffusion cover And a lower cover which is in close contact with the curved surface so as to shield the light so that the light totally reflected in the diffusion cover is not transmitted through the curved surface.
The light emitting surface is planar, the bent surface is orthogonal to the light emitting surface, and the reflecting film reflecting light reflected in the diffusion cover is coupled to the bent surface.
In addition, the diffusion cover may include a diffusing portion within an angle of 60 占 with respect to the light emitting axis toward the front face of the LED, and at least a part of the region deviating from the light emitting axis by 60 占 may be a transparent portion.
A lighting apparatus according to the present invention includes: a substrate having a flat plate shape in a horizontal direction; a through hole penetrating vertically in the center of the substrate; and the LED formed on the bottom surface of the substrate around the through hole The light emitting module; A main body coupled to the upper side of the substrate; A plurality of heat radiating fins formed on the upper side of the main body and repeatedly formed along the circumferential direction about the through holes; The diffusion cover covering the LED at a bottom surface of the light emitting module and having a central inflow hole communicating with the space between the through hole and the heat dissipation fin; And a lower cover coupled to the main body and having a plurality of first peripheral inflow holes formed in a ring shape and supporting the edge of the diffusion cover and communicating with a space between the radiating fins, The inflow hole and the air introduced through the first peripheral inflow hole may be discharged to the outside through the space between the radiating fins.
Further, the lighting apparatus according to the present invention is characterized in that a power supply device for supplying power to the LEDs is housed in the center of the plurality of the radiating fins, and a first inclined wall inclined upward toward the outside is formed on the bottom surface And the inner end of the first inclined wall may be located outside the center of the central inflow hole.
Wherein the radiating fin includes: an inner plate located below the converter housing; And an outer plate extending from the inner plate and positioned outside the converter housing, the air introduced through the central inlet hole being able to move along the bottom surface of the first inclined wall, A plurality of pinholes may be formed through the outer plate.
The main body further includes: a center connector coupled to a bottom surface of the converter housing; A peripheral coupler surrounding the central coupler, spaced apart from the central coupler and closely coupled to the substrate; And a connection body connecting the center assembly and the peripheral assembly so that at least one or more communication holes communicating with the central inlet hole are provided between the center assembly and the peripheral assembly.
According to the present invention, it is possible to form an illumination device capable of increasing the ratio of vertical light and achieving narrowing of the beam angle effectively, and in addition to being easy to assemble and maintaining stable coupling between components, It is possible to provide an illumination device having an air circulation speedy and excellent in heat radiation effect.
1 is a perspective view showing a lighting apparatus according to an embodiment of the present invention,
Fig. 2 is an exploded perspective view showing the illumination device shown in Fig. 1,
Figs. 3 and 4 are sectional views showing the lighting apparatus shown in Fig. 1,
FIG. 5 is an enlarged view of a light emitting module and a diffusion cover portion in the illumination device shown in FIG. 3,
6 is an enlarged view of a light emitting module and a diffusion cover portion in a lighting apparatus according to another embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.
Fig. 1 is a perspective view showing a
The
The
The
The
The
In the present invention, an imaginary axis extending in the longitudinal direction passing through the center of the through
The LEDs (13) are bonded to the bottom surface of the substrate (11) in the periphery of the through hole (12). The plurality of
The
A separate fastening means such as a bolt can be coupled to the
The
A plurality of
The
The
The
The second
The
The
The
The
A plurality of
The radiating
The radiating
The
Accordingly, when the
The radiating
3, the
In the
The
The
The
In the
The first
In the
The overall shape of the
The
The refracting
In the illumination device according to the present invention, the refracting
The
Alternatively, a diffusion film may be bonded (diffusing film on the refraction surface 42) to one side of the
On the other hand, light emitted from the
5). For example, when the
In the illumination device according to the present invention, when the
In the illuminating device according to the present invention, the diffusing
Specifically, an area within 60 占 from the light emitting axis x facing the front surface of the
Thus, the light irradiated in the region (B region) within 60 占 from the light emitting axis x is sufficiently diffused through the
A
It is preferable that the
A
It is preferable that the diameter of the end of the
The folding surfaces 44 and 50 are formed in a ring shape so as to be able to support the lower edge of the
In the illumination device according to the present invention, the
The
Alternatively, the
The
The
The
The
The air introduced into the
The
For this purpose, the
The
Therefore, when the
The
It is preferable that the second
The skirt portion (82) extends downward from the outer end of the tight fitting portion (81), and the diameter of the skirt portion (82) increases toward the lower side to form an inclined surface.
For effective illumination, an inner surface of the
The air flowing into the
As described above, the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.
1: Lighting device 10: Light emitting module
11: substrate 12: through hole
13: LED 20: Main body
21:
22: peripheral joint 22a: circular protrusion
23: connecting body 24: communication hole
30: radiating fin 31: vertical plate
31a:
31c: pinhole 32: horizontal plate
32a: Circular groove
40: diffusion cover 41: central inflow hole
42: refracting surface 43: cover connecting arm
44: bent surface 45: outgoing surface
50: lower cover 51: first inclined portion
52: first peripheral inflow hole 60: upper cover
61: heat dissipating hole 70: converter housing
71: first inclined wall 80: shade
81: tight contact portion 82: skirt portion
83: second inclined portion 84: second peripheral inflow hole
90: Reflective film 100: Power supply
Claims (7)
A light emitting surface which is positioned in front of the LED and transmits, refracts, and reflects light emitted from the LED, and has a light emitting surface constituting the opposite surface of the LED, and a bent surface constituting a surface bent toward the LED, And a diffusion cover And
And a lower cover that is in close contact with the bent surface to shield light so that the light totally reflected in the diffusion cover is not transmitted through the bent surface,
The light emitting surface is a plane,
Wherein the bent surface is orthogonal to the light exit surface,
And a reflecting film for reflecting the light totally reflected inside the diffusion cover is coupled to the bent surface.
Wherein the diffusion cover comprises a diffusing portion within an angle of 60 占 with respect to the light emitting axis facing the front face of the LED and at least a part of the region deviating from the light emitting axis by 60 占 is a transparent portion.
A light emitting module including a substrate in a flat plate shape in a horizontal direction, a through hole penetrating in a vertical direction at a center of the substrate, and the LED formed on a bottom surface of the substrate around the through hole;
A main body coupled to the upper side of the substrate;
A plurality of heat radiating fins formed on the upper side of the main body and repeatedly formed along the circumferential direction about the through holes;
The diffusion cover covering the LED at a bottom surface of the light emitting module and having a central inflow hole communicating with the space between the through hole and the heat dissipation fin; And
And a lower cover coupled to the main body and having a plurality of first peripheral inflow holes formed in a ring shape and supporting the edge of the diffusion cover and communicating with a space between the radiating fins,
And the air introduced through the central inflow hole and the first peripheral inflow hole can be discharged to the outside through the space between the radiating fins.
Further comprising a converter housing located at a center of the plurality of radiating fins and having a first power supply for supplying power to the LEDs and a first inclined wall inclined upward toward the outside,
And an inner end of the first inclined wall is located outside the center of the central inflow hole.
The heat-
An inner plate located below the converter housing; And
And an outer plate extending from the inner plate and positioned outside the converter housing,
The air introduced through the central inflow hole can be moved on the bottom surface of the first inclined wall,
Wherein a plurality of pinholes are formed through the inner plate and the outer plate, respectively.
The main body includes:
A central connector coupled to the bottom of the converter housing;
A peripheral coupler surrounding the central coupler, spaced apart from the central coupler and closely coupled to the substrate; And
And a connection body connecting the center assembly and the peripheral assembly so that at least one or more communication holes communicating with the central inlet hole are provided between the center assembly and the peripheral assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150066221A KR101724531B1 (en) | 2015-05-12 | 2015-05-12 | Lighting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150066221A KR101724531B1 (en) | 2015-05-12 | 2015-05-12 | Lighting apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160133294A KR20160133294A (en) | 2016-11-22 |
KR101724531B1 true KR101724531B1 (en) | 2017-04-07 |
Family
ID=57540148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150066221A KR101724531B1 (en) | 2015-05-12 | 2015-05-12 | Lighting apparatus |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101724531B1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100939696B1 (en) | 2009-07-23 | 2010-02-01 | 주식회사 씨엔텍 | Led-lamp with heatsink structure |
KR101027908B1 (en) * | 2010-08-26 | 2011-04-12 | 주식회사 에이팩 | Heat sink, light emitting diode lamp using heat sink, and method for fabricating the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110003698U (en) * | 2009-10-08 | 2011-04-14 | 주식회사 루미맥스테크놀러지 | Explosion-Proof Lamp |
KR20130015548A (en) * | 2011-08-04 | 2013-02-14 | 정성철 | Heat dissipating device of led lamp |
KR101308394B1 (en) | 2011-12-30 | 2013-09-26 | 주식회사 포스코엘이디 | Optical semiconductor based illuminating apparatus |
-
2015
- 2015-05-12 KR KR1020150066221A patent/KR101724531B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100939696B1 (en) | 2009-07-23 | 2010-02-01 | 주식회사 씨엔텍 | Led-lamp with heatsink structure |
KR101027908B1 (en) * | 2010-08-26 | 2011-04-12 | 주식회사 에이팩 | Heat sink, light emitting diode lamp using heat sink, and method for fabricating the same |
Also Published As
Publication number | Publication date |
---|---|
KR20160133294A (en) | 2016-11-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8192049B2 (en) | LED lighting apparatus including reflector and heat radiating body | |
KR101028201B1 (en) | Lens and lighting unit having thereof | |
TWI452232B (en) | Lens and lighting device | |
KR101772644B1 (en) | Lighting apparatus | |
US8434907B2 (en) | Lighting apparatus | |
WO2008021082A2 (en) | Illumination devices | |
JP5814847B2 (en) | Lighting device | |
JP6857847B2 (en) | Lenses and luminaires | |
JP6250137B2 (en) | Light source device and illumination device | |
KR101686136B1 (en) | Lighting apparatus | |
JP6917584B2 (en) | Lenses and luminaires | |
KR101764821B1 (en) | Lighting apparatus | |
JP5810317B2 (en) | Lighting device | |
KR101441624B1 (en) | Integral reflector LED lighting | |
WO2015129671A1 (en) | Lighting apparatus, light source cover, light control member, and light source unit | |
JP2012204085A (en) | Lighting fixture | |
KR101724531B1 (en) | Lighting apparatus | |
JP7236695B2 (en) | lighting equipment | |
JP7226933B2 (en) | lighting equipment | |
KR101697212B1 (en) | Lighting apparatus | |
JP6429672B2 (en) | Light emitting device and lighting apparatus using the same | |
JP7190647B2 (en) | lighting equipment | |
JP2015001603A (en) | Optical lens device | |
JP7300879B2 (en) | Optical lens, light source device and illumination device | |
CN109084203B (en) | Lighting lamp, lighting module and lens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant |