KR102024703B1 - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- KR102024703B1 KR102024703B1 KR1020120055593A KR20120055593A KR102024703B1 KR 102024703 B1 KR102024703 B1 KR 102024703B1 KR 1020120055593 A KR1020120055593 A KR 1020120055593A KR 20120055593 A KR20120055593 A KR 20120055593A KR 102024703 B1 KR102024703 B1 KR 102024703B1
- Authority
- KR
- South Korea
- Prior art keywords
- light source
- disposed
- housing
- support substrate
- power supply
- Prior art date
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Classifications
-
- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/237—Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
-
- 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
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
Embodiments relate to a lighting device.
Illumination apparatus according to the embodiment, the cover having an opening; A heat dissipation member including a base part having a heat dissipation fin, and a member extending from the upper surface of the base part through the opening and having a plurality of side surfaces, and having the base part and a receiving part penetrating the member; A housing made of a material disposed in the housing of the heat sink and having electrical insulation; A plurality of light source modules disposed inside the cover and disposed on a plurality of side surfaces of the member; A power supply unit including a support substrate accommodated in the member and the housing and a plurality of components mounted on the support substrate and providing power to the light source module; A terminal plate electrically connecting the plurality of light source modules; And a reflector including an upper portion disposed on an upper surface of the member, wherein the plurality of light source modules are disposed only on the plurality of side surfaces of the member, and the housing includes a lower housing coupled to a socket to which an external power source is applied. The lower housing includes a lower end of the support substrate of the power supply unit, and an upper end of the support substrate of the power supply unit is surrounded by the member.
Description
Embodiments relate to a lighting device.
Light emitting diodes (LEDs) are a type of semiconductor device that converts electrical energy into light. Light emitting diodes have the advantages of low power consumption, semi-permanent life, fast response speed, safety and environmental friendliness compared to conventional light sources such as fluorescent and incandescent lamps. Accordingly, many researches are being conducted to replace conventional light sources with light emitting diodes, and the use of light emitting diodes is increasing as a light source for lighting devices such as various lamps, liquid crystal displays, electronic displays, and street lamps that are used indoors and outdoors. .
The embodiment provides a lighting device that can improve heat dissipation performance.
In addition, the embodiment provides a lighting apparatus for performing an optimal omnidirectional performance.
Illumination apparatus according to the embodiment, the cover having an opening; A heat dissipation member including a base part having a heat dissipation fin, and a member extending from the upper surface of the base part through the opening and having a plurality of side surfaces, and having the base part and a receiving part penetrating the member; A housing made of a material disposed in the housing of the heat sink and having electrical insulation; A plurality of light source modules disposed inside the cover and disposed on a plurality of side surfaces of the member; A power supply unit including a support substrate accommodated in the member and the housing and a plurality of components mounted on the support substrate and providing power to the light source module; A terminal plate electrically connecting the plurality of light source modules; And a reflector including an upper portion disposed on an upper surface of the member, wherein the plurality of light source modules are disposed only on the plurality of side surfaces of the member, and the housing includes a lower housing coupled to a socket to which an external power source is applied. The lower housing includes a lower end of the support substrate of the power supply unit, and an upper end of the support substrate of the power supply unit is surrounded by the member.
Illumination apparatus according to the embodiment, the cover having an opening; A heat dissipation member including a base part having a heat dissipation fin, and a member extending from the upper surface of the base part through the opening and having a plurality of side surfaces, and having the base part and a receiving part penetrating the member; A housing made of a material disposed in the housing of the heat sink and having electrical insulation; A plurality of light source modules disposed inside the cover and disposed on a plurality of side surfaces of the member; A power supply unit including a support substrate accommodated in the member and the housing and a plurality of components mounted on the support substrate and providing power to the light source module; A terminal plate electrically connecting the plurality of light source modules; And a reflector including an upper portion disposed on an upper surface of the member, wherein the plurality of light source modules are disposed only on the plurality of side surfaces of the member, and the housing includes a lower housing coupled to a socket to which an external power source is applied. The lower housing includes a lower end of the support substrate of the power supply unit, and an upper end of the support substrate of the power supply unit is surrounded by the member.
By using the lighting apparatus according to the embodiment, it is possible to improve heat dissipation performance.
In addition, it is possible to perform the optimal post-directional light distribution (Omni Direction) performance.
1 is a perspective view from above of a lighting device according to an embodiment;
2 is a perspective view from below of the lighting apparatus shown in FIG. 1;
3 is an exploded perspective view of the lighting apparatus shown in FIG.
4 is an exploded perspective view of the lighting apparatus shown in FIG. 2;
5 is a front view when the cover is removed from the lighting apparatus shown in FIG. 1;
6 is a front view when the cover and the reflector are removed from the lighting apparatus shown in FIG. 1;
7 is a cross-sectional view of only the heat sink shown in FIG. 2;
8 is a plan view of the heat sink shown in FIG.
9 is a perspective view of only the housing shown in FIG. 2;
In the drawings, the thickness or size of each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity of description. In addition, the size of each component does not necessarily reflect the actual size.
In the description of the embodiment according to the present invention, when one element is described as being formed on the "on or under" of another element, (On or under) includes both the two elements are in direct contact with each other (directly) or one or more other elements are formed indirectly formed (indirectly) between the two elements. In addition, when expressed as “on” or “under”, it may include the meaning of the downward direction as well as the upward direction based on one element.
Hereinafter, a lighting apparatus according to an embodiment will be described with reference to the accompanying drawings.
1 is a perspective view from above of a lighting device according to an embodiment, FIG. 2 is a perspective view from below of a lighting device shown in FIG. 1, FIG. 3 is an exploded perspective view of the lighting device shown in FIG. 1, and FIG. 2 is an exploded perspective view of the lighting apparatus shown in FIG. 2, FIG. 5 is a front view when the cover is removed from the lighting apparatus shown in FIG. 1, and FIG. 6 is a front view when the cover and the reflector are removed from the lighting apparatus shown in FIG. 1. to be.
1 to 6, the lighting apparatus according to the embodiment includes a
<
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The thickness of the
The material of the
An inner surface of the
The
<
The
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Each of the first to third
The
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The plurality of
A lens may be disposed on the
When the
Natural light (white light) may be realized by including only the yellow phosphor in the light-transmissive resin, but may further include a green phosphor or a red phosphor in order to improve the color rendering index and reduce the color temperature.
When various kinds of phosphors are mixed in the light-transmissive resin, the addition ratio according to the color of the phosphor may use more green phosphors than red phosphors and more yellow phosphors than green phosphors. Yellow phosphors include garnet-based YAG, silicate and oxynitrides, green phosphors use silicate and oxynitrides, and red phosphors use nitrides. have. In addition to mixing various kinds of phosphors in the light-transmissive resin, a layer having a red phosphor, a layer having a green phosphor, and a layer having a yellow phosphor may be separately divided.
The
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The minimum length from the
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The material of the
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7 is a cross-sectional view of only the heat sink shown in FIG. 2.
1 to 7, the
The
The
The
As shown in FIG. 6, an area of the
Here, the length a from the top of the
The thickness of the
The
A plurality of
When the
Referring to FIG. 6, the upper end of the
The orientation angle of the
In defining the maximum directivity angle Z of the
8 is a plan view of the
Referring to FIG. 8, the
The
The plurality of
The
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9 is a perspective view of only the housing shown in FIG.
1 to 9, the
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Referring to FIG. 2, the
Although the above description has been made with reference to the embodiments, these are only examples and are not intended to limit the present invention, and those of ordinary skill in the art to which the present invention pertains should not be exemplified above without departing from the essential characteristics of the present embodiments. It will be appreciated that many variations and applications are possible. For example, each component specifically shown in the embodiment can be modified. And differences relating to such modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.
100: cover
200: light source module
300: reflector
400: radiator
500: housing
600: power supply unit
700: socket
Claims (8)
A heat dissipation member including a base part having a heat dissipation fin, and a member extending from the upper surface of the base part through the opening and having a plurality of side surfaces, and having the base part and a receiving part penetrating the member;
A housing made of a material disposed in the housing of the heat sink and having electrical insulation;
A plurality of light source modules disposed inside the cover and disposed on a plurality of side surfaces of the member;
A power supply unit including a support substrate accommodated in the member and the housing and a plurality of components mounted on the support substrate and providing power to the light source module;
A terminal plate electrically connecting the plurality of light source modules; And
It includes; a reflector including an upper portion disposed on the upper surface of the member,
The plurality of light source modules are not disposed on the reflector,
The housing includes a lower housing coupled to the socket to which external power is applied,
The lower housing accommodates the lower end of the support substrate of the power supply,
The upper end of the support substrate of the power supply unit is surrounded by the member,
Lighting device.
A heat dissipation member including a base part having a heat dissipation fin, and a member extending from an upper surface of the base part through the opening and having a plurality of side surfaces, and having a base part and a receiving part penetrating the member;
A housing made of a material disposed in the housing of the heat sink and having electrical insulation;
A plurality of light source modules disposed inside the cover and disposed on a plurality of side surfaces of the member;
A power supply unit including a support substrate accommodated in the member and the housing and a plurality of components mounted on the support substrate and providing power to the light source module;
A terminal plate electrically connecting the plurality of light source modules; And
It includes; a reflector including an upper portion disposed on the upper surface of the member,
The plurality of light source modules are disposed only on the plurality of side surfaces of the member,
The housing includes a lower housing coupled to the socket to which external power is applied,
The lower housing accommodates the lower end of the support substrate of the power supply,
The upper end of the support substrate of the power supply unit is surrounded by the member,
Lighting device.
An upper portion of the reflector covers the upper surface of the member.
The reflector includes a lower portion extending in an upper surface direction of the base portion from the upper portion.
The minimum length from the top of the reflector to the top of the cover is at least 15mm.
The angle of the side surface of the said member and the central axis of the said lighting apparatus is 0.3 degree or more and 3 degrees or less.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120055593A KR102024703B1 (en) | 2012-05-24 | 2012-05-24 | Lighting device |
US13/738,605 US8680755B2 (en) | 2012-05-07 | 2013-01-10 | Lighting device having reflectors for indirect light emission |
EP13152311.0A EP2662619B1 (en) | 2012-05-07 | 2013-01-23 | Lighting device |
EP15165874.7A EP2944871B1 (en) | 2012-05-07 | 2013-01-23 | Lighting device |
CN201310072511.XA CN103388754B (en) | 2012-05-07 | 2013-03-07 | Lighting device |
CN201710646921.9A CN107504467B (en) | 2012-05-07 | 2013-03-07 | Lighting device |
JP2013053707A JP6285102B2 (en) | 2012-05-07 | 2013-03-15 | Lighting device |
US14/721,832 USRE47425E1 (en) | 2012-05-07 | 2015-05-26 | Lighting device having reflectors for indirect light emission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120055593A KR102024703B1 (en) | 2012-05-24 | 2012-05-24 | Lighting device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130131777A KR20130131777A (en) | 2013-12-04 |
KR102024703B1 true KR102024703B1 (en) | 2019-09-24 |
Family
ID=49980821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020120055593A KR102024703B1 (en) | 2012-05-07 | 2012-05-24 | Lighting device |
Country Status (1)
Country | Link |
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KR (1) | KR102024703B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006244725A (en) * | 2005-02-28 | 2006-09-14 | Atex Co Ltd | Led lighting system |
JP2010055993A (en) * | 2008-08-29 | 2010-03-11 | Toshiba Lighting & Technology Corp | Lighting system and luminaire |
JP2010073337A (en) * | 2008-09-16 | 2010-04-02 | Toshiba Lighting & Technology Corp | Light-bulb type lamp |
JP2011175771A (en) * | 2010-02-23 | 2011-09-08 | Toshiba Lighting & Technology Corp | Metal base lamp and luminaire |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2528949C2 (en) * | 2009-06-19 | 2014-09-20 | Конинклейке Филипс Электроникс Н.В. | Lamp assembly |
-
2012
- 2012-05-24 KR KR1020120055593A patent/KR102024703B1/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006244725A (en) * | 2005-02-28 | 2006-09-14 | Atex Co Ltd | Led lighting system |
JP2010055993A (en) * | 2008-08-29 | 2010-03-11 | Toshiba Lighting & Technology Corp | Lighting system and luminaire |
JP2010073337A (en) * | 2008-09-16 | 2010-04-02 | Toshiba Lighting & Technology Corp | Light-bulb type lamp |
JP2011175771A (en) * | 2010-02-23 | 2011-09-08 | Toshiba Lighting & Technology Corp | Metal base lamp and luminaire |
Also Published As
Publication number | Publication date |
---|---|
KR20130131777A (en) | 2013-12-04 |
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