WO2014104674A1 - Lampe à del de type barre - Google Patents

Lampe à del de type barre Download PDF

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Publication number
WO2014104674A1
WO2014104674A1 PCT/KR2013/011990 KR2013011990W WO2014104674A1 WO 2014104674 A1 WO2014104674 A1 WO 2014104674A1 KR 2013011990 W KR2013011990 W KR 2013011990W WO 2014104674 A1 WO2014104674 A1 WO 2014104674A1
Authority
WO
WIPO (PCT)
Prior art keywords
led substrate
heat dissipation
heat
cover
dissipation frame
Prior art date
Application number
PCT/KR2013/011990
Other languages
English (en)
Korean (ko)
Inventor
최상교
Original Assignee
Choi Sang Kyo
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 Choi Sang Kyo filed Critical Choi Sang Kyo
Publication of WO2014104674A1 publication Critical patent/WO2014104674A1/fr

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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
    • 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
    • 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
    • F21V17/104—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 using feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • 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
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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]

Definitions

  • the present invention relates to a bar-shaped LED lamp, more specifically, the heat radiation frame and the LED substrate having a heat dissipation structure is provided to be integrally fixed without bonding by mutual lighting cover, so that the heat generated from the LED substrate during the illumination of LED lights It relates to a bar-shaped LED light to be radiated to the outside by the heat radiation frame
  • fluorescent lamps are mainly used as one of the lighting equipments which are used much because of less glare, higher luminous efficiency and longer life than incandescent lamps.
  • This fluorescent lamp uses light from gas or gas discharge as a light source.
  • a small amount of mercury vapor and argon gas for easy discharge are sealed in a vacuum glass tube, and then electrodes are attached to both ends.
  • the fluorescent lamp thus constructed has a high efficiency due to less loss due to heat and a long lifespan.
  • Such a fluorescent lamp is a kind of mercury discharge tube having negative resistance characteristics.
  • the fluorescent lamp is provided with a ballast to induce lighting and stably supply power after the lighting.
  • a ballast was installed to initially apply a high discharge start voltage required for lighting a fluorescent lamp, and then a stable voltage and a current were supplied after lighting.
  • Fluorescent lamps configured as described above are constructed using a vacuum glass tube as described above, so that the manufacturing of the vacuum glass tube should be sufficiently sealed during manufacture, and there are many difficulties in manufacturing, and there is a case in which the lamp does not suddenly turn on and flickers when the life is near. The street had a problem.
  • the light generated by the conventional fluorescent lamp includes ultraviolet light that fades or deteriorates, there is a problem of deteriorating food when used in a refrigerator or the like.
  • the fluorescent lamp itself is a 360 ° light source, it is meaningless to rotate the fluorescent lamp itself.
  • a conventional reflector that is, the installation angle of the reflector part has to be changed.
  • mercury materials such as fluorescent lamps have a problem that can harm the health of the worker even during manufacturing or disposal by doing a harmful action to the human body.
  • FIG. 1 a fluorescent lamp type LED lamp employing an LED has been recently developed.
  • the LED lamp will be described briefly with respect to the "fluorescent lamp using LED" disclosed in Korean Patent No. 866586. As follows.
  • a main body 210 including a hemispherical base 212 and an extension inwardly bent at both ends of the base 212;
  • a heat dissipation wing unit 220 formed along the longitudinal direction of the base 212 of the main body 210 to increase the heat dissipation area to increase heat dissipation efficiency;
  • a fixing part 230 including a plate 232 mounted on the extension part 214 of the base 212, and a receiving protrusion 234 connected to both sides of the plate 232;
  • An LED module 240 seated between the receiving protrusions 234 of the fixing part 230 and formed of a PCB (PCB) board on which a plurality of LEDs 242 (LEDs) are mounted;
  • Covering the main body 210 is made in a hemispherical shape, the thickness of both sides is formed relatively thinner than the upper center, to increase the amount of light emitted to both sides to extend the direction of the light irradiated from the LED module 240 A cap 250 to make; And
  • a fixing cover 280 fixedly coupling both ends after the main body 210 and the cap 250 are coupled;
  • the conventional fluorescent lamp type LED lamp as described above has the following problems.
  • the PCB substrate is inserted and seated on both sides of the fixing protrusions on the base of the main body made of metal such as aluminum.
  • the conventional fluorescent lamp type LED lamp is not easy to form a fixing protrusion on the base of the body made of a metal material, there is a problem that the manufacturing cost is high.
  • the present invention is to solve the conventional problems, the heat dissipation frame and the LED substrate having a heat dissipation structure is provided to be fixed integrally without bonding by mutual lighting cover, so that heat generated from the LED substrate when the LED lights, such as heat dissipation frame It is an object of the present invention to provide a bar-shaped LED lamp for radiating heat to the outside by.
  • the LED substrate is easily fixed by the lighting cover provided with a synthetic resin or glass material, there is no need to separately provide a structure for fixing the LED substrate to the heat dissipation frame.
  • the purpose is to provide a lamp.
  • an LED substrate is elastically pressed by the illumination cover, and an object of the present invention is to provide a bar-shaped LED lighting that can be easily seated and fixed to the LED substrate irrespective of a thickness of a predetermined range or more.
  • the bar-shaped LED lamp according to the present invention includes a supply unit which is supplied with power by an external power source on one side; An LED substrate having a plurality of LEDs illuminated by the power supplied by the supply unit; A heat dissipation frame having a seating surface on which the LED substrate is mounted, and a plurality of heat dissipation wings disposed on the top; An upper cover and an open end of both ends, and an illumination cover extending in a longitudinal direction by protruding inwardly into the front and the rear of the coupling protrusion for fixing to the heat dissipation frame and the fixing protrusion for fixing the LED substrate; And a finishing member covering the open end of the heat dissipation frame and the light cover.
  • the LED substrate is fixed to the heat dissipation frame by the fixing cover of the fixing cover.
  • the heat dissipation frame is provided so that the coupling step protrudes downward in the longitudinal direction on the front and rear of the seating surface, the coupling groove which is coupled to the coupling protrusion of the lighting cover inside the front and rear It is preferably provided to be recessed, and further provided to penetrate the heat radiation space of the long hole in the center.
  • the flow preventing projection protruding from the fixing projections provided on the lighting cover is further provided.
  • the bar-shaped LED lighting lamp according to the present invention has an excellent effect of maximizing the heat dissipation effect by the heat radiating heat generated by the light emission of the LED is transferred directly to the heat dissipation frame through the seating surface and radiated to the outside by the heat dissipation wing.
  • the raw material can be reduced by the heat dissipation space formed in the heat dissipation frame, and the heat dissipation effect can be maximized.
  • the configuration of the heat dissipation frame made of metal is simple, it is easy to manufacture the heat dissipation frame, thereby having an excellent effect of reducing the manufacturing cost according to mass production.
  • FIG. 1 is an exploded perspective view showing a conventional LED lamp for fluorescent lamps.
  • Figure 2 is an exploded perspective view showing a bar-shaped LED lighting lamp according to the present invention.
  • FIG 3 is a perspective view showing a state in which the LED lamp of Figure 2 is coupled.
  • FIG. 4 is a cross-sectional view of the coupled state of FIG.
  • Figure 5 is a perspective view of the coupled state showing a state in which the LED lamp is coupled according to the present invention.
  • finishing member 62 coupling member
  • the bar-shaped LED lamp 10 includes a supply unit 20 for supplying power, an LED substrate 30 having a plurality of LEDs, and a plurality of heat dissipation wings.
  • a heat dissipation frame 40 With a heat dissipation frame 40, the LED substrate is seated and fixed, and a light cover 50 fixed to the heat dissipation frame, and a closing member 60 to cover the ends of the heat dissipation frame 40 and the light cover 50. It is provided.
  • the supply unit 20 is.
  • the power terminal 22 which is supplied with power by an external power source is protruded on one side, and the coupling member 24 coupled to the heat dissipation frame 40 and the lighting cover 50 protrudes to the other side, and the power terminal ( 22 is provided with a wire 26 for supplying power to the LED substrate 30.
  • the LED substrate 30 is provided with a plurality of LEDs (unsigned) at the bottom, and is provided with a long plate that is fixed to the wires at one end and a plurality of LEDs emit light by a power source to form an illumination.
  • the heat dissipation frame 40 has a seating surface 42 on which the LED substrate 30 is mounted, and a plurality of heat dissipation wings 46 are provided on the bottom thereof.
  • the heat dissipation frame 40 is provided on the seating surface 42 and the front and rear coupling step 44 is protruded downward to extend in the longitudinal direction, and is mutually coupled with the lighting cover 50
  • Coupling groove 48 is provided to be recessed inward on the front and rear, it is further provided to penetrate the heat radiation space 49 of the long hole in the center.
  • the lighting cover 50, the upper and both ends of the open “U” shape is extended in the longitudinal direction, the coupling projection 52 and the LED substrate 30 for mutual coupling with the heat radiation frame 40.
  • Fixing protrusion (54) for fixing it is provided to protrude in the front and rear to form a multi-stage.
  • a flow preventing protrusion 56 protruding from an upper portion of the fixing protrusion 54 provided in the lighting cover is further provided to prevent the flow of the LED substrate 30, and from the outside to the LED substrate 30. It is provided to prevent electrical shock that may occur.
  • the coupling step 44 formed in the heat dissipation frame 40 is inserted into and coupled to the space formed by the flow preventing protrusion 56 so that the heat dissipation frame 40 and the light cover 50 are more firmly coupled.
  • the finish cover 60, the coupling member 62 is protruded to one side to be coupled with the heat radiation frame 40 and the light cover 50, the heat radiation frame 40 and the light cover 50 is opened
  • the finished part is provided to finish.
  • the heat radiation frame 40 is preferably provided with an aluminum material excellent in the heat radiation effect.
  • the lighting cover 50 is preferably provided with a synthetic resin material, it may be provided with a glass material that can achieve the illumination of the LED according to the user's convenience.
  • the bar-shaped LED lamp according to the present invention configured as described above is fixed to each other as shown in Figs.
  • the heat dissipation frame 40 and the LED substrate 30 in the state where the heat dissipation frame 40 and the LED substrate 30 are seated on the seating surface 42 of the heat dissipation frame 40. One side of) is supported not to flow.
  • one side of the lighting cover 50 is coupled to the heat dissipation frame 40 and the LED substrate 30, and the heat dissipation frame 40 and the LED substrate 30 by pushing the light cover 50 with a predetermined force. It is fixed in a state in close contact with the mounting surface 42 of the heat radiation frame 40.
  • the coupling protrusion 52 provided in the lighting cover 50 is inserted into the coupling groove 48 of the heat dissipation frame 40, the upper portion of the front and rear of the LED substrate 30 Since the LED substrate 30 is fixed in a compressed state by the fixing protrusion 54 of the lighting cover 50, the LED substrate 30 is fixed to the seating surface 42 of the heat dissipation frame 40.
  • the coupling step 44 of the front and rear of the heat dissipation frame 40 seating surface 42, as shown in Figure 4 is a coupling space formed by the flow preventing projection 56 provided in the lighting cover 50
  • the heat dissipation frame 40 and the light cover 50 are fixedly coupled to each other by being inserted into and coupled to the heat dissipation frame 40 more easily and firmly.
  • the supply unit 20 and the finishing member 60 are coupled to both ends of the LED substrate 30 fixed to each other by the lighting cover 50 and the heat dissipation frame 40.
  • the supply unit 20 and the finishing member 60 are coupled to both ends of the LED substrate 30 fixed to each other by the lighting cover 50 and the heat dissipation frame 40.
  • the LED lamp 10 coupled to each other as shown in FIG. 4, the heat radiator generated by the light emission of the LED is directly transmitted to the heat dissipation frame 40 through the seating surface 42, and the heat dissipation wing 46. Because it is radiated to the outside by the heat radiating effect is excellent.
  • raw materials can be reduced by the heat dissipation space 49 formed in the heat dissipation frame 40, and the heat dissipation effect can be maximized.
  • the heat dissipation frame 40 made of metal is simple, the heat dissipation frame 40 may be easily manufactured, thereby reducing manufacturing costs according to mass production.
  • the LED substrate 30 is fixed by the fixing protrusion 54 provided in the lighting cover 50 of the synthetic resin material, the LED substrate 30 can be easily fixed elastically regardless of an error occurring in the production step. will be.

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  • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne une lampe à DEL de type barre et, plus spécifiquement, une lampe à DEL de type barre dans laquelle un cadre de rayonnement thermique et un substrat de DEL d'une structure de rayonnement thermique sont fixés d'un seul bloc l'un à l'autre sans adhérence par un couvercle de lampe de façon à émettre directement la chaleur générée par le substrat de DEL vers l'extérieur par le cadre de rayonnement thermique dans son état d'éclairage. À cette fin, la présente invention comprend : une unité d'alimentation permettant de fournir de l'énergie électrique par une source d'alimentation externe disposée sur un côté ; le substrat de DEL présentant une pluralité de DEL permettant d'émettre la lumière au moyen de l'énergie électrique fournie par l'unité d'alimentation ; le cadre de rayonnement thermique dans lequel une surface de charge sur laquelle le substrat de DEL est chargé est disposée sur sa partie inférieure et une pluralité de ventilateurs de rayonnement thermique sont disposés sur sa partie supérieure ; un couvercle d'éclairage, dans lequel une partie supérieure et les deux extrémités latérales sont ouvertes, et des saillies d'accouplement permettant de s'accoupler avec le cadre de rayonnement thermique et des saillies de fixation permettant de fixer le substrat de DEL sont pourvues de multiples échelons et font saillie à l'intérieur des surfaces avant et arrière de façon à permettre au couvercle d'éclairage de s'étendre dans la direction longitudinale ; et un élément de finition permettant de recouvrir les extrémités ouvertes du cadre de rayonnement thermique et le couvercle d'éclairage, le substrat de DEL étant attaché et fixé au cadre de rayonnement thermique par un couvercle de fixation du couvercle d'éclairage.
PCT/KR2013/011990 2012-12-31 2013-12-23 Lampe à del de type barre WO2014104674A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0158000 2012-12-31
KR1020120158000A KR101293820B1 (ko) 2012-12-31 2012-12-31 막대형 엘이디 조명등

Publications (1)

Publication Number Publication Date
WO2014104674A1 true WO2014104674A1 (fr) 2014-07-03

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Application Number Title Priority Date Filing Date
PCT/KR2013/011990 WO2014104674A1 (fr) 2012-12-31 2013-12-23 Lampe à del de type barre

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KR (1) KR101293820B1 (fr)
WO (1) WO2014104674A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101582770B1 (ko) * 2015-03-26 2016-01-21 (주)엠이씨 광원 유닛 및 이를 구비한 조명 장치
KR101912640B1 (ko) * 2018-06-01 2018-12-28 세명엔지니어링 주식회사 Led 조명등

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100997917B1 (ko) * 2009-04-20 2010-12-02 (주) 코콤 Led조명장치
KR20110004142U (ko) * 2009-10-20 2011-04-27 주식회사 현대엘이디 엘이디용 조명기구
KR20110056140A (ko) * 2009-11-20 2011-05-26 주식회사 파인테크닉스 엘이디 램프
KR200454458Y1 (ko) * 2009-03-17 2011-07-06 주식회사 엠에스엠텍 형광등 타입 엘이디 램프
KR200456729Y1 (ko) * 2009-11-25 2011-11-15 루미리치 주식회사 발광다이오드 조명 램프

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100919840B1 (ko) 2009-03-23 2009-09-30 주식회사 포지티브 막대형 ｌｅｄ 조명기구

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200454458Y1 (ko) * 2009-03-17 2011-07-06 주식회사 엠에스엠텍 형광등 타입 엘이디 램프
KR100997917B1 (ko) * 2009-04-20 2010-12-02 (주) 코콤 Led조명장치
KR20110004142U (ko) * 2009-10-20 2011-04-27 주식회사 현대엘이디 엘이디용 조명기구
KR20110056140A (ko) * 2009-11-20 2011-05-26 주식회사 파인테크닉스 엘이디 램프
KR200456729Y1 (ko) * 2009-11-25 2011-11-15 루미리치 주식회사 발광다이오드 조명 램프

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