EP1729059A2 - Source lumineuse à DEL et ensemble contenant une armature d'éclairage et un dipositif d'alimentation - Google Patents

Source lumineuse à DEL et ensemble contenant une armature d'éclairage et un dipositif d'alimentation Download PDF

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Publication number
EP1729059A2
EP1729059A2 EP06011123A EP06011123A EP1729059A2 EP 1729059 A2 EP1729059 A2 EP 1729059A2 EP 06011123 A EP06011123 A EP 06011123A EP 06011123 A EP06011123 A EP 06011123A EP 1729059 A2 EP1729059 A2 EP 1729059A2
Authority
EP
European Patent Office
Prior art keywords
lamp body
led
operating device
led operating
led module
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06011123A
Other languages
German (de)
English (en)
Other versions
EP1729059A3 (fr
Inventor
Christian Kopf
Florian Wildner
Robert Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1729059A2 publication Critical patent/EP1729059A2/fr
Publication of EP1729059A3 publication Critical patent/EP1729059A3/fr
Withdrawn legal-status Critical Current

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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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • 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
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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 LED lights according to the preamble of claim 1 and an arrangement of the lamp body and LED operating device according to claim 10.
  • LED modules such as DRAGONtape®, DRAGONpuck® and DRAGO-Neye®, which are used, for example, as shop and furniture luminaires, as reading lights and spots for entertainment tasks or as a luminaire head for mini spotlights or as orientation lighting.
  • LED modules there is less illumination and poorer quality of light compared to burners.
  • the high-flux LED Golden Dragon® already sets a minimum height, which must be taken into account when designing the luminaire.
  • the conventional axial arrangement of lamp, reflector and socket prevents a low height of the lamps.
  • the object of the present invention is to eliminate the disadvantages of the prior art and to provide an LED lamp whose dimensions are small, and with a high illuminance and quality of light can be realized. Furthermore, the thermal behavior should be improved. In addition, an arrangement of the lamp body and LED operating device adapted to these requirements and the LED operating device in a simple manner be connected to the lamp body and also have an advantageous thermal behavior.
  • a luminaire is provided with luminaire body and at least one LED module mounted on the luminaire body, the overall height of luminaire body and LED module being ⁇ 8 mm, and wherein at least one section of the luminaire body forms the heat sink for the LED module. Due to the holding and heat sink function of the lamp body, a lamp with a small thickness can be implemented, whereby greater freedom of design for the lamp are present and a lowering of the temperature level of the lamp is achieved.
  • the luminaire can be designed as a table lamp, for cabinet lighting, as a furniture luminaire or as a ceiling lamp, the conventional large dimensions being avoided due to the axial construction of the lamp, reflector and socket.
  • the LED modules as punctiform light sources allow a targeted illumination, for example of desks.
  • the LED module according to the chip-on-board technology is manufactured and this has a plurality of light-emitting diodes with a total power of ⁇ 3 watts, preferably ⁇ 5 watts.
  • the chip-on-board technology allows a thickness of the LED modules of a few millimeters, the use of white and RGB LED modules and a previously unattainable with luminaires of this height light output both in terms of illuminance and quality of light.
  • optics for directing the light and protecting the LED module are preferably provided, so that a desired light distribution can be achieved at a low overall height.
  • the overall height of the luminaire body and LED module can be further reduced by letting the LED module into the luminaire body.
  • a glare for example in the form of a Entblendrings, in the environment of the LED module is advantageous for glare. It has the Entblend adopted preferably a partially transparent component, such as polycarbonate, whereby the visual appearance of the lamp is designed advantageous.
  • a visually appealing lamp is also achieved by a suitable choice of material for the lamp body, for example by the choice of aluminum or copper sheet or by training as extruded profile.
  • the use of anodized aluminum is particularly favorable due to the surface hardness achieved while pleasant, visual appearance.
  • the anodization is also used because of the better heat dissipation.
  • the thickness of the lamp body is made small by the use of foil cables for power supply, since it can be dispensed with the introduction of channels for cables in the lamp body.
  • the advantage of using cables in a channel in the luminaire body to power the LED module is the possibility of transmitting higher power and in the use of the channel also for admitting the LED module, so that a low overall height is achieved.
  • the invention further provides an arrangement of luminaire body and LED operating device, in which the LED operating device in a receptacle or recess of the lamp body form and / or non-positively inserted, so that the LED operating device forms an outer surface portion of the arrangement.
  • the LED operating device in contrast to the prior art, in which the operating devices were also provided mostly hidden due to the large height, it is now possible to use the LED operating device at least partially for the outer design of the lamp.
  • the integral design of luminaire body and LED operating device allows the formation of compact luminaires, which are powered by a power cable with voltage.
  • At least one side surface of the lamp body runs flush with the LED operating device and the height of the LED operating device on the lamp body is ⁇ 10 mm. In this way, lights are implemented on which the LED control gear is not perceptible as a separate component. To achieve these low heights, the use of a piezoelectric transformer is preferred because in this way, in addition to the low height high efficiency without electromagnetic Noise is achievable with adequate power of up to 16 watts for LED modules.
  • two opposite side surfaces of the lamp body are substantially flush with side surfaces of the LED operating device, whereby even when viewed from several directions, the LED operating device as a separate unit is no longer perceptible.
  • Particularly preferred is a flush arrangement of three side surfaces of the lamp body and LED operating device so that a large part of the outer surface of the LED operating device appears to the viewer as part of the lamp body.
  • the LED control gear can be designed as a mechanical and electrical connector between two lighting sections of a lighting strip. In this way, each light-emitting section can be assigned its own LED operating device, whereby despite the large number of LED modules used low power per LED operating device and thus a low height combined with a low heat output can be realized. It is particularly advantageous if the lamp body is used for cooling the LED operating device, so that no separate heat sink for the LED operating device is necessary.
  • the LED operating device has a dovetail-shaped recess for pushing the LED operating device on the lamp body, whereby a solid and thus robust lamp body is used.
  • the luminaire described above is provided with an LED operating device described above.
  • a protected contacting of LED operating device for example via contacts on the inside of the recess, and lamp body, for example, pad at the end of flat cables, can be ensured.
  • the electrical contact between the LED control gear and lamp body by electrical connections in the longitudinal direction of the lamp body so that with an axial displacement of LED control gear and lamp body an electrical and mechanical connection can be realized in a simple manner.
  • FIG. 1 shows a detail of a lamp 1 with a lamp body 2 to which a lighting unit 5 is mounted, according to the first embodiment.
  • the lamp body 2 is in Fig. 1 made of anodized aluminum.
  • the lamp body may be designed, for example, as a bent or straight extruded profile or as a sheet metal bent part made of aluminum or copper.
  • the material alloy and the surface treatment in terms of the best possible heat conduction and heat dissipation in relation to the lighting unit 5 is optimized.
  • the lighting unit 5 comprises an LED module 3, which is provided with a heat conducting material, e.g. a two-component adhesive, or a thermal paste is applied in cooperation with a spring on the surface of the lamp body 2.
  • a heat conducting material e.g. a two-component adhesive, or a thermal paste is applied in cooperation with a spring on the surface of the lamp body 2.
  • the lamp body 2 has both a supporting function and the function as a heat sink for the LED module. 3
  • LED modules with powers of ⁇ 3W, preferably ⁇ 5W are used as LED modules.
  • Such LED modules are manufactured without housing according to the chip-on-board technology.
  • Lamina Ceramics of Westampton, New Jersey USA for example, manufactures such LTCC-M (low temperature co-fired ceramic on metal technology) LED modules as Lamina Super-Bright LED Arrays under the designations BL 2000, BL 3000 and BL 4000 in such a way that applied to a metal with the np junctions of multiple LEDs, ceramic layers and a primary optics.
  • LTCC-M low temperature co-fired ceramic on metal technology
  • Such LED modules have a small height of a few millimeters and a high light output and allow through their metal backside efficient dissipation of the heat generated by the operation of the plurality of LEDs on the LED module.
  • the temperature level of the luminaire is compared to conventional Burners reduced, which allows the use of more temperature-sensitive materials in the vicinity of the LED module 3.
  • LED modules 3 are available not only for white light, but also as RGB LEDs and for the colors red, green, blue and yellow.
  • an optic 4 is applied, by which the desired radiation angle of the lighting unit can be implemented.
  • the optics causes in the present embodiment, the conversion of a radiation angle of the LED module of 120 ° in a radiation angle of the lighting unit of 90 °.
  • the flat optic 4 also serves to protect the LED module 3.
  • the LED module 3 is blinded laterally by an applied on the lamp body 2 Entblendungsring 6.
  • the Entblendungsring 6 is partially transparent in the first embodiment, including polycarbonate is advantageously used. Alternatively, a metallic or other opaque Entblend raised is used.
  • the lamp 1 in the first embodiment is supplied by applied to the lamp body 2 foil or flat cables or by chemically or galvanically applied directly to the lamp body 2 printed conductors with voltage.
  • the use of foil leads supports the implementation of the low profile.
  • a luminaire according to the invention is suitable for a large number of lighting applications, for example as a table lamp, pendant lamp, wall lamp, ceiling lamp, recessed floor luminaire, furniture mounted luminaire and cabinet unit lamp.
  • FIG. 2 shows a section of a luminaire 10 with a luminaire body 12, to which a lighting unit 15 is attached, in accordance with the second exemplary embodiment.
  • the illumination unit 15 has, as in the first embodiment, an LED module 3, an optic 4 and a Entblendring 16.
  • the luminaire 10 according to the second embodiment differs from the luminaire 1 of the first embodiment in the power supply. While in the first embodiment, foil lines have been used, as shown for example in Fig. 8A, in the second embodiment in the lamp body 12, a channel 14 for insulated cables, with which the power supply of the LED module 3 takes place. Also, the LED module 3 with the arranged on this optics 4 is located in the channel 14, whereby the height of the illumination unit 15 in comparison to the first embodiment is further reduced.
  • the depth of the channel 14 can be designed in such a way that already by the channel 14, a glare of the LED module 3 is made.
  • a Entblendring 16 is additionally shown, which can be omitted depending on the depth of the channel 14 and the requirements for the glare.
  • luminaires can be implemented with heights of the lamp body, the LED module and the optics of h ⁇ 8 mm, as shown in Fig. 2.
  • the channel 14 in the second embodiment is closed by a cover, not shown, to a visually appealing design make the luminaire according to the invention and to support the glare.
  • a cable channel may be provided on the side opposite the lighting unit 12 of the lamp body. It is advantageous that, for example, in ceiling lights a cover of the channel for an attractive visual design of the lamp is not mandatory. However, this increases the overall height of the lamp, since the LED module can not be introduced into the channel.
  • Figures 3A to 3D show schematically a first exemplary arrangement of lighting units 5a, 5b, 5c of a lamp according to the first and second embodiments, wherein Fig. 3A is a perspective view, Fig. 3B is a side view in the longitudinal direction, Fig. 3C is a bottom view and Fig. 3D represent a side view in the transverse direction.
  • the lamp body 2, 12 is formed as a rectangular sheet of anodized aluminum in the form of a ceiling light, the lamp body 2, 12 via two current-carrying suspensions 8a, 8b and two guide sleeves 9a, 9b is fixed to the ceiling.
  • lighting units 5a, 5b, 5c are fixed according to the first or second embodiment with downward radiation direction at a regular distance.
  • the lighting units 5a, 5b, 5c are point-shaped light sources, which enable a targeted illumination of desired areas.
  • Figures 4 to 7 show schematically a second, third, fourth and fifth exemplary arrangement of lighting units 25 of a lamp according to the first and second embodiments.
  • the lighting unit 25 is either the lighting unit 5 or the lighting unit 15 in the first and second embodiments, respectively.
  • a square lamp body 26 is provided in plan view, in the center of which the lighting unit 25 is arranged, while in the third arrangement according to FIG. 5 the lamp body 27 is configured circular in plan view, wherein the center of the illumination unit 25 is located in the center of the circle.
  • the fourth arrangement according to FIG. 6 represents a further development of the arrangement according to FIG. 5 in such a way that three circular lamp bodies 27 from FIG. 5 are combined to form a lamp body 28 in such a way that they are located in a central portion 28a of the lamp body 28 unite. This results in three arms 28b, 28c, 28d, which can be moved out of the plane of the central portion 28a independently of each other, so that the point-shaped light sources can radiate towards each other or away from each other.
  • the fifth arrangement according to FIG. 7 shows a circular lamp body 29 near whose circumference five lighting units 25 are provided. Due to the circular arrangement of the point-shaped light sources, larger areas, for example tables with high light output, can be specifically illuminated.
  • the LED operating device is not provided on the lamp body, but mounted on the wall or on the ceiling at the the lamp body is attached over the suspension.
  • the LED operating device in the form of a flat transformer is integrated into the lamp body instead of an external LED operating device for current and voltage-controlled supply of the LED modules.
  • Figs. 8A and 8B show a luminaire according to a third embodiment of the present invention. More specifically, the third embodiment is a development of the lamp according to the first embodiment.
  • a through two side guides 22a, 22b limited recess 20 is provided. Between the two side guides 22a, 22b there is a plug-in element 24 in such a way that connections of the plug-in element to a flat cable 23 are electrically connected.
  • the flat cable 23 is in electrical connection with a lighting unit, not shown in FIG. 8A, according to the first exemplary embodiment.
  • FIG. 8B shows the LED operating device 30 provided with a connection cable 34 from the third exemplary embodiment.
  • This has a substantially cuboid shape with two mutually opposite side surfaces 30a, 30b and two oppositely lying, with respect to the side surfaces 30a, 30b offset by 90 ° side surfaces 30c, 30d.
  • connecting elements 32a, 32b are recessed in such a way that the connecting element 32a of the LED operating device 30 with the side guide 22a of the lamp body 2 and the connecting element 32b of the LED operating device 30 with the side guide 22b of the lamp body 2 a Insertion and holding the LED operating device 30 in the lamp body 2 allows.
  • the side guides 22a, 22b of the lamp body 2 are formed as grooves of a tongue and groove connection, while the connecting elements 32a, 32b of the LED operating device 30 are formed as springs of the tongue and groove connection.
  • the present invention is not limited thereto, but any cooperating side guides and connecting elements 22a, 32a, 22b, 32b may be used.
  • connections not shown in Fig. 8A are provided, which can be brought into engagement with the plug-in element 24, so that the LED operating device is electrically connected to the flat cable 23 and is mechanically coupled to the lamp body 2.
  • the connecting elements 32a, 32b of the LED operating device 30 are sunk into the side surfaces 30c, 30d of the LED operating device 30 so deep that the side surface 30c of the lamp 2 mounted on the LED operating device 30 is flush with the side surface 2c of the lamp body 2, and that the side surface 30d of the LED operating device 30 mounted on the lamp body 2 is flush with the side surface 2d of the lamp body 2 when the LED driving device 30 is inserted into the lamp body 2.
  • the length T1 of the connecting elements 32a, 32b in the axial direction is equal to the depth T1 of the recess 20 in the lamp body 2.
  • the height h1 of the lamp body 2 is equal to the height h1 of the LED driving device 30, so that the side surfaces 30a and 30b of the LED driving device 30 have the same distance as the side surfaces 2a, 2b of the lamp body 2.
  • the plug-in element 24 has the same height h1.
  • the side surfaces 2a and 30a and the side surfaces 2b and 30b are flush with each other when inserted into the lamp body 2 LED operating device 30 and the respective outer surface of the plug member 24.
  • the height h1 of the LED operating device 30 is ⁇ 10 mm.
  • a flat, piezoelectric transformer is used, as used for example in the charger PT3 of Friwo, Ostbevern or produced by EPCOS, Germanysberg.
  • output powers of, for example, 3 W can be achieved.
  • higher output powers can also be realized, for example up to about 16 W.
  • the connecting elements 32a, 32b and side guides 22a, 22b are used to guide the insertion of the LED operating device 30 in the lamp body 2, are provided with a catch, so that the LED operating device 30 does not move freely out of the lamp body 2 and also serve for heat transfer between LED operating device 30 and lamp body 2.
  • the lamp body 2 serves not only as a heat sink for the lighting units 5, but also as a heat sink for the LED operating device 30th
  • the LED driver 30 is formed as an end piece.
  • FIG. 9 shows a modification of the third exemplary embodiment with the fourth exemplary embodiment.
  • an LED operating device 40 in the form of an intermediate piece is provided.
  • the LED driver 40 has a longitudinal dimension L, which corresponds to twice the dimension T1 of the recess 20, and has two mutually opposite side surfaces 40a, 40b and between these mutually opposite connecting elements 42a, 42b. At the end faces 41 a, 42 b of the LED operating device 40 plug-in elements are formed, wherein the plug-in elements on the end face 41 a are formed so that they can be brought into engagement with the plug element 24 of the lamp body 2 of FIG. 8A.
  • a recess 60 with a depth T2 is provided at the opposite end section which is equal to the depth T1 of the recess 20.
  • the recess 60 is bounded by two side guides 62a, 62b and a plug-in element 64 which is electrically and mechanically engageable with the end face 41b of the LED operating device 40.
  • the plug-in element 64 is connected to flat cables (not shown), wherein the mains voltage or a transformed voltage can be supplied to the LED operating device 40 via the flat cables.
  • each lamp body either via one of the LED devices 40 in the light strip or via the LED operating device 30, which has the function of the tail, supplied with voltage becomes.
  • Fig. 10 shows an alternative embodiment in the third and fourth embodiments using the structure of the second embodiment shown in Fig. 2. More specifically, instead of the flat cable 23 of the first embodiment, in this development, insulated cables 73a, 73b are provided in the channel 14 of the lamp body 12, which are connected to the plug-in elements 24 and 64 and the illumination unit 15 shown in FIG. The channel 14 is covered with a diaphragm 74, so that the cable 73a, 73b remain in the channel 14 and thus there is a visually appealing conclusion on this side of the lamp body 12.
  • Figs. 11A and 11B show a fifth embodiment of the present invention having an LED driver 50.
  • the LED driver 50 has a piezoelectric transformer in the same manner as the LED drivers 30 and 40 of the second and third embodiments.
  • the LED operating device 50 is pushed in the fifth embodiment of the lamp body 120, so that the LED driver 50 the lamp body 120 at one end portion embraces.
  • the LED operating device 50 is designed substantially as a cuboid, in which a dovetail-shaped recess 54 is introduced, which is engageable with the dovetail-shaped configuration 126 of the lamp body 120 by sliding into engagement.
  • protrusions (not illustrated) engage behind recesses 128a, 128b formed in the dovetail-shaped recess 54 in the transverse direction of the lamp body 120, so that the LED operating device 50 is secured to the lamp body 120.
  • connection to the lamp body 120 takes place in such a manner that the lamp body 120 serves as a heat sink for the LED operating device.
  • connection surfaces 124a, 124b can be connected to insulated cables 73a, 73b in a channel in the luminaire body.
  • the present invention is not limited to the described connection systems between the lamp body and LED operating device but it can reach any holding, plug and coupling system for electrical and mechanical connection of the LED operating device to the lamp body used.
  • the LED operating device of the third, fourth and fifth embodiment an outsourced ballast is avoided while reducing the previous height of the ballasts of 15-30 mm to ⁇ 10 mm mounted in the lamp body state, with a good cooling of the LED operating device is ensured ,
  • the LED operating device at least partially forms an outer surface of the lamp.
  • an LED lamp in which an LED module (3) is applied to the lamp body (2), so that the height of the lamp body and LED module ⁇ 8 mm and the lamp body (2) at least partially the heat sink for the LED module (3) forms.
  • LED modules with outputs of ⁇ 3 watts are used.
  • LED operating devices which form an outer surface portion of a lamp body and LED control gear assembly, the total height of the lamp body and LED control gear is ⁇ 10 mm, and wherein the LED operating device is preferably cooled via the lamp body.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (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)
EP06011123A 2005-06-03 2006-05-30 Source lumineuse à DEL et ensemble contenant une armature d'éclairage et un dipositif d'alimentation Withdrawn EP1729059A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005025623A DE102005025623A1 (de) 2005-06-03 2005-06-03 LED-Leuchte und Anorndung aus Leuchtenkörper und LED-Betriebsgerät

Publications (2)

Publication Number Publication Date
EP1729059A2 true EP1729059A2 (fr) 2006-12-06
EP1729059A3 EP1729059A3 (fr) 2007-07-25

Family

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Application Number Title Priority Date Filing Date
EP06011123A Withdrawn EP1729059A3 (fr) 2005-06-03 2006-05-30 Source lumineuse à DEL et ensemble contenant une armature d'éclairage et un dipositif d'alimentation

Country Status (5)

Country Link
US (1) US20060274531A1 (fr)
EP (1) EP1729059A3 (fr)
CN (1) CN1892100A (fr)
CA (1) CA2549232A1 (fr)
DE (1) DE102005025623A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007071953A1 (fr) * 2005-12-19 2007-06-28 Alan James Friedman Dispositif d'éclairage plat
NL2000671C2 (nl) 2007-05-31 2008-12-02 Princess Household Appliances Verlichtingsarmatuur met vast aangebrachte LED.
EP2066149A2 (fr) 2007-11-27 2009-06-03 Stefan Ruppel Lampe plate DEL dotée d'une platine dissipant la chaleur, notamment pour meuble
DE102010036251A1 (de) * 2010-09-03 2012-03-08 Osram Opto Semiconductors Gmbh Leuchtdiodenanordnung mit einem Piezo-Transformator
WO2011154180A3 (fr) * 2010-06-10 2012-05-31 Osram Opto Semiconductors Gmbh Agencement de diode luminescente et élément lumineux comprenant notamment un tel agencement de diode luminescente
DE202013100580U1 (de) 2013-02-08 2013-04-08 Robert Kölm Leuchtmittel-Anordnung mit optimierter Kühlung
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DE102005025623A1 (de) 2006-12-07
CA2549232A1 (fr) 2006-12-03
US20060274531A1 (en) 2006-12-07
EP1729059A3 (fr) 2007-07-25

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