WO2013127557A1 - Lampe - Google Patents

Lampe Download PDF

Info

Publication number
WO2013127557A1
WO2013127557A1 PCT/EP2013/050678 EP2013050678W WO2013127557A1 WO 2013127557 A1 WO2013127557 A1 WO 2013127557A1 EP 2013050678 W EP2013050678 W EP 2013050678W WO 2013127557 A1 WO2013127557 A1 WO 2013127557A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
reflector
lamp vessel
vessel
semiconductor light
Prior art date
Application number
PCT/EP2013/050678
Other languages
German (de)
English (en)
Inventor
Peter Helbig
Philipp Helbig
Original Assignee
Osram Gmbh
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 Osram Gmbh filed Critical Osram Gmbh
Publication of WO2013127557A1 publication Critical patent/WO2013127557A1/fr

Links

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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • 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
    • 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
    • F21K9/68—Details of reflectors forming part of the light source
    • 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
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21V7/041—Optical design with conical or pyramidal 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • 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
    • F21V7/06—Optical design with parabolic curvature
    • 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
    • F21V7/07—Optical design with hyperbolic curvature
    • 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
    • F21V7/08—Optical design with elliptical curvature
    • 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 invention relates to a lamp according to the preamble of claim 1.
  • Such a lamp is disclosed, for example, in Offenle ⁇ tion US 2007/0076428 AI.
  • This document describes a so-called festoon lamp with a tubular, cylindrical lamp vessel, in whose ends in each case one, for example designed as an LED light ⁇ source is arranged.
  • a light guide with a light-reflecting film In the area between the ends of the lamp vessel and the LED arranged therein is a light guide with a light-reflecting film.
  • a disadvantage of this lamp is that it allows on ⁇ due to the light reflective film no light emission in all directions perpendicular to the longitudinal axis of the lamp.
  • the inventive lamp has a tubular, light transmissive lamp vessel with two mutually gegenü ⁇ bercharacter ends. In the region of the ends of the lamp vessel, in each case at least one semiconductor light source is arranged within the lamp vessel.
  • the lamp has a reflector, which is located in the interior of the lamp vessel between the arranged in the region of the ends of the lamp vessel semiconductor light sources, wherein the reflector comprises the semiconductor light sources facing reflecting surfaces, which are so out forms ⁇ that they light from the Halbleiterlichtquel ⁇ out of the interior of the lamp vessel.
  • the reflector of the lamp With the aid of the reflector of the lamp according to the invention, in particular the light emitted parallel to the tube axis or lamp longitudinal axis by the semiconductor light sources is deflected so that it can leave the lamp vessel in other directions. Thereby, a light output from the lamp vessel over a 360 ° angle around the tube axis of the lamp vessel ⁇ or the lamp longitudinal axis enables light. In addition, it is thereby prevented that the semiconductor light sources arranged in opposite ends of the lamp vessel illuminate each other.
  • the reflector of the lamp Invention ⁇ proper has a first reflection surface that is at least, face a in the area of the first end of the Lampenge ⁇ fäßes arranged semiconductor light source, and a second reflection surface of the at least ei ⁇ NEN, in the region of the second End of the lamp vessel ange ⁇ arranged semiconductor light source is facing.
  • This will provide an efficient decoupling of the in both Ends of the lamp vessel arranged Halbleitlichtquel ⁇ len allows, because the two reflection surfaces can be adapted to the requirements of at least one semiconductor ⁇ light source in the respective end of the lamp vessel.
  • the reflector is conically tapered in the direction of both ends of the lamp vessel so that it has a first reflector section, which tapers conically in the direction of the first end of the lamp vessel, and has a second reflector section, which tapers conically in the direction of the second end of the lamp vessel, wherein the above-mentioned first reflection surface is disposed on the outer surface of the first conically tapered reflector portion and the above-mentioned second reflection surface is disposed on the outer surface of the second conical tapered reflector portion.
  • the term “conically tapered” means here in connection with the invention that the measured perpendicular to the lamp longitudinal axis dimensions of the reflector or the reflector sections decrease in the direction of the ends of the lamp vessel.
  • the dimensions of the first reflector section measured perpendicular to the lamp longitudinal axis in the direction of the first end of the lamp vessel and the dimensions of the second reflector section measured perpendicular to the lamp longitudinal axis decrease in the direction of the second end of the lamp vessel.
  • the term “conically tapered” thus includes in particular gel-trained first and second Reflektorab ⁇ sections, the apex of each of which faces the first and the second end of the lamp vessel.
  • tapeered is not limited to this execution approximate shape, but includes, for example au ⁇ ßerdem paraboloidal first and second Reflektorab ⁇ sections, the apex of which faces each of the first and second ends of the lamp vessel.
  • first and second ellipsoidal reflector sections whose minor semi-axes are arranged perpendicular to the lamp longitudinal axis, as well as hyperboloid shaped first and second reflector portions are for example of the Beg comprises ⁇ riff "tapered".
  • ers ⁇ te and second reflector sections of the term "conically tapered" are also included, the dimensions of which decreases perpendicular to the tube axis of the lamp vessel in the direction of the first and second end of the lamp vessel and whose surfaces Reflexionsflä ⁇ are formed as free-form surfaces.
  • the reflector of the lamp according to the invention is vorzugswei- se arranged centrally between the ends of the lamp vessel and designed mirror-symmetrical relative to a fictitious plane, the lamps ⁇ longitudinal axis and perpendicular to the pipe axis and centrally between the ends of the ⁇ Lampengefä SLI.
  • the lamp according to the invention can be formed as a whole in mirror symmetry to the aforementioned fictitious plane and, in particular, can be ensured that both halves of the lamp shine equally brightly.
  • the semiconductor light sources of the lamp according to the invention are advantageously each arranged on the surface of a mounting plate, which is oriented perpendicular to the tube axis of the lamp vessel or lamp longitudinal axis, to ensure that a substantial proportion of the light emitted from the semiconductor light sources falls on the reflector.
  • the semiconductor light sources are preferably formed by at least one light-emitting diode chip, which is arranged in each case on a section of the surface of the respective mounting plate facing the reflector.
  • the abovementioned mounting plates are preferably connected to one another by at least one wire.
  • the at least one wire can be used as a power supply between the housed in different ends of the lamp vessel electrical components and semiconductor light sources.
  • the at least one wire can also be used as part of a holder for the reflector.
  • the reflector advantageously has a recess for the at least one Wire to guide the wire easily from one end to the other end of the lamp vessel.
  • the recess is formed as a recess in the surface of the reflector and arranged close to the wall of the lamp vessel in order to influence the light reflection at the reflector as little as possible by the at least one wire.
  • a portion of the lamp vessel is designed as a holder for the reflector.
  • This gron- nen additional support means which would hinder the Lichtemissi ⁇ on, omitted.
  • the holder for the reflector of at least one projection on the inside of the wall of the lamp vessel ge ⁇ forms to allow easy installation and fixation of the reflector in the lamp vessel.
  • the electrical contacts of the lamp are arranged at the ends of the lamp vessel.
  • the lamp according to the invention can be used in sockets that were originally designed for Soffitten lamps designed as incandescent lamps.
  • Figure 1 is a side view of a lamp according to the invention according to the preferred embodiment in a schematic, partially sectioned illustration
  • Figure 2 is an isometric view of the components of the lamp shown in Figure 1
  • the lamp according to the shown in Figures 1 and 2 before ⁇ ferred embodiment of the invention is compatible with a soffittenartigen vehicle light bulb catego ⁇ rie C10W, the nenraumbeleuchtung is used for example in motor vehicles for In ⁇ and is provided for operation on the board voltage of the vehicle.
  • the lamp according to the preferred embodiment of the invention has a tubular, circular-cylindrical lamp vessel 10 made of transparent glass or effetsichti ⁇ resistant plastic and two disposed in the interior 14 of the lamp vessel emitting diode chips 21, 22, of which angeord one at each end 11, 12 of the lamp vessel 10 - is net.
  • the light-emitting diode chips 21, 22 are each on a perpendicular to the tube axis 13 of the lamp vessel 10 oriented surface of a mounting plate 23, 24 is arranged ⁇ .
  • the light emitting diode chips 21, 22 are each disposed on the interior 14 of the lamp vessel 10 facing the upper surface of the mounting plate 23 and 24 respectively assembled and emittie ⁇ ren during operation white light.
  • the first mounting plate 23 has a T-shaped profile and has a first, circular disk-shaped portion 231, on which the LED chip 21 is mounted, and a second plate-like portion 232, which is angled perpendicularly from the first portion 231 and extends outside of the lamp vessel 10.
  • On the second section 232 of the first mounting plate 23 are all electrical components (not shown) of the operating Device for the two LED chips 21, 22 mounted.
  • An example of such an operating device is described in DE 20 2011 104 070 Ul, wherein in the operating device for the lamp according to the preferred embodiment additionally a per se be ⁇ known protection circuit is provided against reversal of the electrical connections.
  • the second portion 232 of the first mounting plate 23 protrudes into the interior of a first metal sleeve 31, the vessel closing the first end 11 of the lamp 10 and is also designed as a first electrical contact of the lamp ⁇ shear.
  • the use provided ⁇ direction is connected via a first current supply 25, which is fi xed ⁇ on the second portion 232 of the first mounting plate 23 with the first metal sleeve 31 electri- cally conductive.
  • the first metallic sleeve 31 and the first mounting plate 23 are fixed by means of a first plastic ring 33 at the first end 11 of the lamp vessel 10.
  • the second mounting plate 24 is formed circular disk-shaped and has a second power supply 26, which is electrically conductively connected to a second metallic sleeve 32.
  • the second metal sleeve 32 ver ⁇ closes the second end 12 of the lamp vessel 10 and serves as a second electrical contact of the lamp.
  • the second metallic sleeve 32 and the second mounting plate 24 are fixed by means of a second plastic ring 34 at the second end 12 of the lamp vessel 10.
  • the lamp has three further power supply wires 41, 42, 43, which connect the two mounting plates 23, 24 with each other.
  • a first power supply wire 41 connects Det arranged on the second portion 232 of the first mounting plate ⁇ 23 electrical components of the operating circuit via the second power supply 26 with the second metal sleeve 32.
  • the other two power supply wires 42, 43 are used for electrical connection of the second LED chip 22 with the electrical Components of the operating circuit.
  • a Re ⁇ reflector 50 is arranged, which consists of two mirror-symmetrical reflector sections 51, 52.
  • Each of the two reflector sections 51, 52 is designed as a paraboloid whose axis of rotation lies in each case in the tube axis 13 of the lamp vessel 10, the apex of the first pa ⁇ rabolic reflector section 51 facing the arranged in the first end 11 of the lamp vessel 10 first LED chip 21 and the Vertex of the second paraboli ⁇ rule reflector portion 52 facing the arranged in the second end 12 of the lamp vessel 10 second LED chip 22.
  • On the outer surface of the parabolic see reflector sections 51, 52 each have a light-reflecting reflective layer 510, 520 is applied.
  • the reflector sections 51, 52 are made of plastic and their reflection surfaces 510, 520 are formed by an aluminum coating of the reflector sections 51, 52.
  • the reflection surfaces 510, 520 may be faceted.
  • the first reflector portion 51 is inserted into the lamp vessel 10 via the first end 11 such that the apex of the parabolic first reflector portion 51 is directed to the first end 11 of the lamp vessel 10 and the edge 511 of the first reflector portion 51 to one side the projections 60 abuts.
  • the edge 511 of the first reflector section 51 is fixed to the projections 60 by adhesive or by clamping.
  • the second re ⁇ flektorabrough introduced 52 over the second end 12 in such a way in the lamp vessel 10 is that the apex of the parabo ⁇ metallic second reflector portion is directed to the second end 12 of the lamp vessel 10 52, and the edge 521 of the second reflector portion 52 and the another side of the projections 60 abuts.
  • the edge 521 of the second Re ⁇ flektorabitess 52 is fixed by adhesive or press fit on the projections 60th
  • the two reflector sections 51, 52 thus rest on opposite sides of the projections 60.
  • the outer diameter of the edges 511, 521 of the reflector sections 51, 52 corresponds to the inner diameter of the lamp vessel 10.
  • the reflector sections 51, 52 each have three formed as a recess in its surface recesses 512, 522 for passing the three power supply wires 41, 42, 43. These recesses 512, 522 are arranged close to the wall of the lamp vessel 10.
  • the power supply wires 41, 42, 43 are formed electrically insulated from the reflector 50.
  • the invention is not limited to the above-explained embodiment of the invention.
  • the lamp vessel may be frosted or colored or coated with phosphor to generate more homogeneous or colored light.
  • the reflector 50 of the loading according to the invention does not necessarily illumination unit from the lamp vessel will carry ge ⁇ .
  • the Stromzu ⁇ guide wires 41, 42, 43 or a separate frame for holding the reflector 50 can be used.

Abstract

L'invention concerne une lampe comprenant un corps de lampe (10) de type tube, perméable à la lumière et comportant deux extrémités (11, 12) opposées. Au moins une source de lumière à semi-conducteurs (21, 22) est disposée dans l'espace intérieur (14) du corps de lampe (10) à chaque partie d'extrémité (11, 12). Entre les sources de lumière à semi-conducteurs (21, 22) situées dans la partie des extrémités (11, 12) du corps de lampe (10) se trouve, dans l'espace intérieur (14) du corps de lampe 810), un réflecteur (50) qui présente des surfaces de réflexion (510, 520) faisant face aux sources de lumière à semi-conducteurs (21, 22). Les surfaces de réflexion (510, 520) sont réalisées de telle sorte qu'elles dirigent la lumière des sources de lumière à semi-conducteurs (21, 22) de l'espace intérieur (14) vers l'extérieur du corps de lampe (10).
PCT/EP2013/050678 2012-02-27 2013-01-15 Lampe WO2013127557A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012202949.4 2012-02-27
DE102012202949A DE102012202949A1 (de) 2012-02-27 2012-02-27 Lampe

Publications (1)

Publication Number Publication Date
WO2013127557A1 true WO2013127557A1 (fr) 2013-09-06

Family

ID=47598811

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/050678 WO2013127557A1 (fr) 2012-02-27 2013-01-15 Lampe

Country Status (2)

Country Link
DE (1) DE102012202949A1 (fr)
WO (1) WO2013127557A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014006966U1 (de) 2014-08-26 2014-09-29 Osram Gmbh Lampe
WO2016150702A1 (fr) 2015-03-24 2016-09-29 Osram Gmbh Lampe et procédé de fabrication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2012379B1 (en) * 2014-03-06 2015-12-03 Seaborough Ip V B V Light device.
JP6449603B2 (ja) 2014-09-25 2019-01-09 スタンレー電気株式会社 Ｌｅｄ光源装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090154167A1 (en) * 2007-12-18 2009-06-18 Jui-Li Lin Multipurpose light source
US20100213835A1 (en) * 2009-02-11 2010-08-26 Anthony Mo LED Diffusion Techniques
US20110063835A1 (en) * 2002-09-23 2011-03-17 Nelson Rivas Led lighting apparatus
US20110074296A1 (en) * 2009-09-28 2011-03-31 Yu-Nung Shen Light-Emitting Diode Illumination Apparatuses
WO2012049809A1 (fr) * 2010-10-12 2012-04-19 パナソニック株式会社 Dispositif de source de lumière

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070076428A1 (en) 2005-09-30 2007-04-05 Chia-Yeh Wu Festoon lamp
DE202011104070U1 (de) 2011-08-04 2011-11-08 Osram Ag Lampe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110063835A1 (en) * 2002-09-23 2011-03-17 Nelson Rivas Led lighting apparatus
US20090154167A1 (en) * 2007-12-18 2009-06-18 Jui-Li Lin Multipurpose light source
US20100213835A1 (en) * 2009-02-11 2010-08-26 Anthony Mo LED Diffusion Techniques
US20110074296A1 (en) * 2009-09-28 2011-03-31 Yu-Nung Shen Light-Emitting Diode Illumination Apparatuses
WO2012049809A1 (fr) * 2010-10-12 2012-04-19 パナソニック株式会社 Dispositif de source de lumière

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014006966U1 (de) 2014-08-26 2014-09-29 Osram Gmbh Lampe
US10139089B2 (en) 2014-08-26 2018-11-27 Osram Gmbh Lamp
WO2016150702A1 (fr) 2015-03-24 2016-09-29 Osram Gmbh Lampe et procédé de fabrication
DE102015205352A1 (de) 2015-03-24 2016-09-29 Osram Gmbh Lampe und Verfahren zum Herstellen einer Lampe

Also Published As

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