WO2012169686A1 - Dispositif d'éclairage à diodes électroluminescentes - Google Patents

Dispositif d'éclairage à diodes électroluminescentes Download PDF

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Publication number
WO2012169686A1
WO2012169686A1 PCT/KR2011/004619 KR2011004619W WO2012169686A1 WO 2012169686 A1 WO2012169686 A1 WO 2012169686A1 KR 2011004619 W KR2011004619 W KR 2011004619W WO 2012169686 A1 WO2012169686 A1 WO 2012169686A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
led
led lighting
led lamp
lighting device
Prior art date
Application number
PCT/KR2011/004619
Other languages
English (en)
Korean (ko)
Inventor
홍성천
Original Assignee
(주)파인테크닉스
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 (주)파인테크닉스 filed Critical (주)파인테크닉스
Publication of WO2012169686A1 publication Critical patent/WO2012169686A1/fr

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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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of 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
    • 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
    • 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
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V7/04—Optical design
    • F21V7/045—Optical design with spherical surface
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the present invention relates to an LED lighting device.
  • the present invention forms a plurality of slits radially on the heat dissipation panel and inserts a plate-shaped heat dissipation fin into the slit, and then folds and fixes the supporting wings and the fixing wings formed at the bottom thereof, and makes a surface contact with the bottom surface of the heat dissipation panel.
  • the present invention relates to an LED lighting device that maximizes thermal efficiency and is easy to maintain.
  • the present invention is installed between a plurality of rows of LEDs in the form of a circle or polygon in the same shape as the arrangement of the LED, so that it can effectively reflect the light emitted from the LEDs installed in a plurality of rows in a variety of forms, such as circular or polygonal
  • the present invention relates to an LED lighting device capable of more efficiently reflecting light emitted from an LED by increasing light reflection efficiency.
  • LED Light Emitting Diode
  • LED Light Emitting Diode
  • LED has less power consumption and reduces carbon emission compared to general incandescent lamps that are lit by AC / DC power, neon and fluorescent lamps, and it is suitable for summer lighting because of less heat generation. Economic and eco-friendly to reduce the replacement cost due to the long implementation and lifespan, the application is being activated as a new lighting to replace the existing bulb-type lighting.
  • the LED has characteristics of excellent controllability, fast response speed, high electro-light conversion efficiency, long life, low power consumption and high brightness.
  • LEDs of 1 ⁇ 3W class which are used to reduce power consumption and high heat, have a weak output, so that a satisfactory illuminance [lx] can be obtained within a desired lighting space area when the light source (light) diffusion distance is long. You will not be able to.
  • lighting fixtures having various heat dissipation structures having heat sinks (pins) have been developed to prevent circuit breakage or fire caused by high heat generated from high-power LEDs.
  • the reflector attached to the LED lamp to use In this case, the space occupied by the reflector becomes wider, so it is difficult to install in a narrow place, and the space between the LED lamp and the reflector does not reflect the light of the LED lamp properly.
  • a plurality of LED lamps are installed in a straight line like fluorescent lamps as Utility Model Registration Nos. 20-206594, Utility Model Registration Nos. 20-413523, and Patent Registration Nos. 10-727856.
  • a reflection plate is provided between each of the LED lamps installed in a plurality of rows in a date form.
  • the reflector When the reflector is installed as a date as in the prior art, the light emitted from the LED lamp is uniformly reflected at the position where the LED lamp is installed and the reflector in the linear direction, but at the point of the reflector that is inclined from the LED lamp, the light is emitted from the LED lamp.
  • the light is reflected to weaken or is reflected at an inconsistent angle is exposed to the problem that the light emitted from the LED lamp is not properly reflected.
  • the present invention has been invented to meet the above-mentioned recent technical trends and consumer demands, and to solve the above problems.
  • the present invention forms a plurality of slit portions radially on the heat dissipation panel, and after inserting the plate-shaped heat dissipation fins into the slits to fold and fix the supporting wings and fixing wings formed at the bottom, and to make a surface contact with the bottom surface of the heat dissipation panel,
  • the purpose of the present invention is to provide a heat dissipation device for embedded luminaires that maximizes thermal efficiency and facilitates maintenance.
  • the present invention is installed between a plurality of rows of LEDs in the form of a circle or polygon in the same shape as the arrangement of the LED, so that it can effectively reflect the light emitted from the LEDs installed in a plurality of rows in a variety of forms, such as circular or polygonal
  • the present invention is installed between a plurality of rows of LEDs in the form of a circle or polygon in the same shape as the arrangement of the LED, so that it can effectively reflect the light emitted from the LEDs installed in a plurality of rows in a variety of forms, such as circular or polygonal
  • the present invention has the following configuration.
  • the present invention is a LED lighting device equipped with a front LED lamp in which a plurality of LEDs are mounted in a specific arrangement on one surface of the PCB, the heat dissipation panel formed with a plurality of slits on the outer peripheral surface is disposed behind the LED lamp, A heat dissipation unit coupled to each slit of the heat dissipation panel to dissipate heat transferred through the PCB from the rear of the LED lamp; Reflectors formed in a form corresponding to the arrangement of the LEDs are arranged between the LEDs of the PCB, respectively, to reflect the light emitted from the LEDs forward, and the plurality of reflector connections and the LEDs between the plurality of reflecting plates. It is configured to include; a reflection unit formed with an auxiliary reflector for reflecting the emitted light.
  • the heat dissipation unit is an extension coupling portion is formed so that the end is inserted into the slit of each heat radiation fin is further extended to the heat dissipation panel, the extension coupling portion is bent in the state fitted to the slit of the heat dissipation panel surface of the PCB mounted LED Direct face-to-face contact.
  • the heat dissipation fin is formed so that the extension coupling portion is divided into the support wing portion and the fixed wing portion, and the support wing portion and the fixed wing portion is bent to the opposite side and then contacted with the PCB facing the heat dissipation at the same time to firmly bond with the heat radiation panel Configured to maintain.
  • the extension coupling portion is formed in the form of a narrow slope to one side and a wide inclined surface to the other side to have a width corresponding to the interval radially coupled to the heat dissipation panel, so that the support wing and the fixed wing of the heat dissipation fins adjacent to each other alternately on each radiation Disposed so as to prevent the heat dissipation fin from escaping out of the slit.
  • the present invention is the fixing tube is disposed inside the heat dissipation fins radially arranged, the coupling groove corresponding to the number of the heat dissipation fins radially arranged on the outer circumferential surface of the fixing tube is formed so that each heat dissipation fin is fitted into the coupling grooves of the fixing tube and firm fixing force It is configured to remain.
  • the reflecting plate is formed in a triangular cross section.
  • the reflective plate may be formed in any one form of the hypotenuse of the triangular cross-section, the curved shape to the outside, the curved shape to the inside.
  • the reflector plate arranged in a plurality of rows in the LED lamp is formed so that the height is lowered toward the outer reflector from the reflector located inside.
  • the reflecting plates arranged in a plurality of rows of the LED lamps may have the same height, but the height of the outermost reflecting plate may be formed to a maximum of 1/2 of the height of the reflecting plate located inside.
  • the reflector is not provided outside the LED arranged on the outermost side of the LED lamp.
  • the PCB of the LED lamp is further provided with a spacer for fixing the auxiliary reflector.
  • the LED lamp is further provided with a cover.
  • the support wings and the fixing wings formed at the bottom are folded and fixed, and the surface contact is made on the bottom surface of the heat dissipation panel.
  • the present invention has the advantage of reflecting the light emitted from the LED lamp at the same angle by installing a reflector in the same form as the LED lamp between each of the LED lamp installed in a plurality of rows in a circular or polygonal form.
  • the LED lamp when the reflective plate reflecting the light of the LED lamp is installed in a blocked shape such as a circle or a polygon, the LED lamp is inclined so that the glare phenomenon may be prevented by not looking directly at the LED lamp.
  • the height of each reflecting plate is adjusted as the reflecting plate installed on the PCB is moved from the reflecting plate located on the inner side to the reflecting plate located on the outer side, and the reflecting plate located on the outermost LED lamp is made smaller or less than the inner reflecting plate.
  • the LED lamps arranged in the next column of the black spots generated by overlapping a plurality of LED lamp lights may be prevented from generating black spots by reinforcing the black spots.
  • FIG. 1 is a perspective view of an LED lighting apparatus according to the present invention.
  • Figure 2 is an exploded perspective view of the LED lighting apparatus according to the present invention.
  • Figure 3 is an exploded perspective view of the heat radiation unit of the LED lighting apparatus according to the present invention.
  • Figure 4 is a perspective view of the heat radiation fin of the LED lighting apparatus according to the present invention.
  • FIG. 5 is a side view of the heat radiation fin of the LED lighting apparatus according to the present invention.
  • FIG. 6 is a partial cross-sectional view of the LED lamp of the LED lighting apparatus according to the present invention.
  • 7a to 7c is a cross-sectional view of the reflection unit of the LED lighting apparatus according to the present invention.
  • LED lamp 10 heat dissipation unit
  • FIG. 1 is a perspective view of the LED lighting apparatus according to the present invention
  • Figure 2 is an exploded perspective view of the LED lighting apparatus according to the present invention.
  • the LED lighting device illustrated in the drawings is exemplified by a buried light fixture that is embedded in a ceiling or a wall without a specific case.
  • the LED lighting apparatus comprises an LED lamp 1, the heat dissipation unit 10, the reflection unit 20.
  • the LED lamp 1 refers to a light emitting configuration in which a plurality of LEDs (L) are mounted in a specific arrangement on one surface of a printed circuit board (PCB).
  • the LED (L) is illustrated in the form of a plurality of rows arranged in a circular shape on the PCB (P).
  • Figure 3 is an exploded perspective view of the heat radiation unit of the LED lighting apparatus according to the present invention
  • Figure 4 is a perspective view of the heat radiation fin of the LED lighting apparatus according to the present invention
  • Figure 5 is a side view of the heat radiation fin of the LED lighting apparatus according to the present invention.
  • the heat dissipation unit 10 is disposed behind the LED lamp 1 to dissipate heat generated from the LED (L) and transferred through the PCB (P).
  • the heat dissipation unit 10 includes a heat dissipation panel 30, a heat dissipation fin 40, and a fixing tube 50.
  • the heat dissipation panel 30 is formed of a plate-like body, is made of a metal material excellent in thermal conductivity and applied.
  • the heat dissipation panel 30 has a plurality of radial slits 31 are formed to be coupled to the heat dissipation fins 40, and the slits 31 are formed to be opened to the outside.
  • the heat dissipation fin 40 is inserted into the slit 31 of the heat dissipation panel 30 to be combined to generate heat from the LED (L), and is configured to dissipate heat transferred through the PCB (P) to the outside.
  • a heat radiation fin 40 is a plate-like body is made of a metal material excellent in thermal conductivity.
  • the heat dissipation fin 40 is an extension coupling portion 41 is formed so that the end for coupling with the heat dissipation panel 30 is further extended after being fitted to the heat dissipation panel 30.
  • the extension coupling portion 41 is bent in a state fitted to the slit 31 of the heat dissipation panel 30. This is for the surface of the bent extension coupling portion 41 is configured to be in direct contact with the surface of the PCB (P).
  • the extension coupling portion 41 is formed by dividing a plurality of equal to the support wing portion 42 and the fixed wing portion 43.
  • the extension coupling portion 41 has support wings 42 formed on both sides of the bent points, and the fixed wing portion 43 is a portion cut out from the inside of the support wings 42. It is comprised so that it may be bent to the opposite side to (42).
  • the extension coupling part 41 divided into the support wing part 42 and the fixed wing part 43 is configured to allow the heat dissipation fin 40 to be firmly fixed to the heat dissipation panel 30, and As described above, the heat transmitted through the PCB (P) in contact with the surface of the PCB (P) is directly transmitted to the heat dissipation fins 40 without passing through the heat dissipation panel 30 to perform more rapid heat dissipation.
  • extension coupling portion 41 divided into the support wing portion 42 and the fixed wing portion 43 is a space that is radially coupled to the heat dissipation panel 30, that is, the outer side wide and narrow inward as shown in the figure It is bent to have a width corresponding to the spacing of the shapes.
  • the support wing portion 42 and the fixed wing portion 43 are bent in opposite directions by the shape of the extension coupling portion 41, the support wing portion 42 and the fixed wing portion of each of the heat radiation fins 40 adjacent to each other are bent. 43 maintains the configuration of the arrangement alternately on each radiation.
  • the heat dissipation fins 40 are bound by the heat dissipation fins 40 adjacent to each other by the arrangement in which the support blades 42 and the fixed blades 43 are alternated on the respective radiations, and are separated from the slit 31. It is configured to be prevented.
  • the fixing tube 50 is coupled to a plurality of heat dissipation fins 40 are arranged inside the radially arranged.
  • the fixing tube 50 is formed with a coupling groove 51 corresponding to the number of the radiating fins 40 arranged radially on the outer circumferential surface.
  • Each of the heat dissipation fins 40 is fitted into the coupling groove 51 so as to maintain a firm fixing force.
  • the heat dissipation fin 40 is coupled to the slit 31 of the heat dissipation panel 30, the fixing tube 50 is coupled to the heat dissipation fin 40, or the heat dissipation fins respectively in the coupling groove 51 of the fixing tube 50
  • the heat dissipation unit 10 is configured by combining the extension coupling portion 41 of each heat radiation fin (40).
  • 11 is a cover for closing the rear of the heat radiation fin 40.
  • Figure 6 is a partial cross-sectional view of the LED lamp of the LED lighting apparatus according to the present invention
  • Figure 7a to Figure 7c is a cross-sectional view of the reflecting unit of the LED lighting apparatus according to the present invention.
  • the reflection unit 20 is composed of a reflecting plate 60 formed in a form corresponding to the form in which the LED (L) is arranged between the LED (L) of the PCB (P) is arranged, respectively. .
  • the reflector 60 is a configuration for reflecting the light emitted from the LED (L) to the front.
  • the reflecting plate 60 includes an auxiliary reflecting plate 61 for connecting a plurality of reflecting plates 60 respectively disposed between the LEDs (L) arranged, and at the same time reflects the light emitted from the LED (L).
  • the auxiliary reflecting plate 61 is formed so that both ends are supported between the reflecting plates 60 arranged in each column in the drawing illustrates a configuration formed radially 120 degrees equal intervals.
  • the reflecting plate 60 is formed in a circular shape in the drawing, but if the LED (L) is arranged in a polygonal shape of triangular or more, it is natural that the reflecting plate 60 is also formed in a polygonal shape corresponding thereto.
  • the auxiliary reflecting plate 61 may be formed at equal intervals of various angles in consideration of the size and size of the reflecting plate 60 or the light emission angle of the LED (L).
  • the reflecting plate 60 is formed in the form of a triangular cross section as a basic form.
  • the reflective plate 60 has a hypotenuse of a triangular cross section as shown in FIG. 7A in a straight line shape, a hypotenuse of a triangular cross section as shown in FIG. 7B is curved outward, and a hypotenuse of a triangular cross section as shown in FIG. It is selected and applied in any one of the advanced forms.
  • the hypotenuse of the cross section of the reflector 60 when the hypotenuse of the cross section of the reflector 60 is in a straight line shape, the light reflected by the reflector 60 is constantly reflected, and the hypotenuse of the cross section of the reflector 60 is curved outward.
  • the light reflected from the reflector 60 may spread, and the irradiation area of the LED lamp 1 may be widened, and the hypotenuse of the cross section of the reflector 60 may be curved inward.
  • the irradiation area of the light reflected by the reflector 60 can be narrowed.
  • the reflecting plate 60 arranged in a plurality of rows in the LED lamp 1 is configured such that the height h is lowered from the reflecting plate 60 located inside to the outer reflecting plate 60.
  • the height h of the reflecting plate 60 is gradually lowered like a step shape from the inner reflecting plate 60 to the outer reflecting plate 60. All of the height h of the reflecting plate 60 arranged from the inside to the outside are equally provided, and the height h1 of the reflecting plate 60 arranged at the outermost side is at most 1 higher than the height h of the other reflecting plate 60. / 2 or do not install the outermost reflecting plate 60.
  • positioned from the inner side to the outer side is made the same, and the height h1 of the outermost reflecting plate 60 is made small, or not installed at all, it is provided in the outermost heat transfer.
  • the black spots generated by the reflecting plate 60 are supplemented by the outermost rows of LEDs L, or the light emitted from the outermost rows of LEDs L is not reflected by the reflecting plates 60 to prevent black spots from occurring. will be.
  • the reflective unit 20 is further provided with a spacer 62 for fixing the auxiliary reflecting plate 61 on the PCB (P) of the LED lamp 1, the light of the LED lamp 1 is emitted
  • the front cover is further provided with a cover 21 of synthetic resin or glass material having a transparent or constant light transmittance.

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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 porte sur un dispositif d'éclairage à diodes électroluminescentes, lequel dispositif a une efficacité de dissipation de la chaleur élevé, est facile à entretenir et à réparer, et peut réfléchir plus efficacement une lumière qui est rayonnée à partir de diodes électroluminescentes par accroissement d'une efficacité de réflexion de la lumière. A cette fin, la présente invention porte sur le dispositif d'éclairage à diodes électroluminescentes, qui comporte, sur un côté avant de celui-ci, une lampe à diodes électroluminescentes sur laquelle une pluralité de diodes électroluminescentes sont montées selon un alignement spécifique sur une surface d'une carte de circuits imprimés, lequel dispositif comprend : une unité de dissipation de la chaleur ayant un panneau de dissipation de la chaleur, qui comporte une pluralité de fentes sur la surface périphérique externe de celui-ci, qui sont situées sur un côté arrière de la lampe à diodes électroluminescentes, une broche de dissipation de la chaleur étant couplée à chacune des fentes du panneau de dissipation de la chaleur par insertion, pour dissiper une chaleur qui est transférée à partir du côté arrière de la lampe à diodes électroluminescentes par l'intermédiaire de la carte de circuits imprimés ; et une unité de réflexion, dans laquelle des plaques de réflexion, qui sont formées sous une forme qui correspond à la forme de l'alignement des diodes électroluminescentes, sont disposés entre les diodes électroluminescentes de la carte de circuits imprimés qui sont alignées, pour réfléchir une lumière qui est émise à partir des diodes électroluminescentes, des plaques de réflexion auxiliaires pour reconnecter la pluralité de plaques de réflexion et pour réfléchir la lumière, qui est émise à partir des diodes électroluminescentes, étant formées entre la pluralité de plaques de réflexion.
PCT/KR2011/004619 2011-06-09 2011-06-24 Dispositif d'éclairage à diodes électroluminescentes WO2012169686A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0055382 2011-06-09
KR1020110055382A KR101240908B1 (ko) 2011-06-09 2011-06-09 엘이디 조명장치

Publications (1)

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WO2012169686A1 true WO2012169686A1 (fr) 2012-12-13

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WO (1) WO2012169686A1 (fr)

Cited By (2)

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GB2502397A (en) * 2012-05-25 2013-11-27 Jcc Lighting Products Ltd Light fitting
CN104266118A (zh) * 2014-10-16 2015-01-07 中山火炬开发区伟棋五金厂 正反面反射基座双发光led筒灯

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101469253B1 (ko) * 2013-05-16 2014-12-12 김재학 엘이디 조명등기구
WO2014204242A1 (fr) * 2013-06-20 2014-12-24 주식회사 엠티티 Dispositif de refroidissement d'éclairage à led
KR101502282B1 (ko) * 2014-09-26 2015-03-13 에이펙스인텍 주식회사 벌집구조의 이중방열 엘이디 조명등
KR101834743B1 (ko) 2015-08-17 2018-03-06 주식회사 엠텍 엘이디 조명장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080098762A (ko) * 2007-05-07 2008-11-12 한학수 엘이디 램프를 이용한 조명장치
JP2010003579A (ja) * 2008-06-20 2010-01-07 Sharp Corp 放熱部材、放熱ユニット及び照明装置
KR100949711B1 (ko) * 2009-12-14 2010-03-29 에스씨종합건설(주) 방열구조 엘이디 가로등
KR20100127971A (ko) * 2009-05-27 2010-12-07 지엘레페주식회사 엘이디 조명등용 히트 스프레더 유니트 및 이를 이용한 엘이디 조명등용 히트 스프레더

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080098762A (ko) * 2007-05-07 2008-11-12 한학수 엘이디 램프를 이용한 조명장치
JP2010003579A (ja) * 2008-06-20 2010-01-07 Sharp Corp 放熱部材、放熱ユニット及び照明装置
KR20100127971A (ko) * 2009-05-27 2010-12-07 지엘레페주식회사 엘이디 조명등용 히트 스프레더 유니트 및 이를 이용한 엘이디 조명등용 히트 스프레더
KR100949711B1 (ko) * 2009-12-14 2010-03-29 에스씨종합건설(주) 방열구조 엘이디 가로등

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502397A (en) * 2012-05-25 2013-11-27 Jcc Lighting Products Ltd Light fitting
CN104266118A (zh) * 2014-10-16 2015-01-07 中山火炬开发区伟棋五金厂 正反面反射基座双发光led筒灯

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