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EP1979929B1 - Lampe phosphorescente - Google Patents

Lampe phosphorescente Download PDF

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Publication number
EP1979929B1
EP1979929B1 EP07726248.3A EP07726248A EP1979929B1 EP 1979929 B1 EP1979929 B1 EP 1979929B1 EP 07726248 A EP07726248 A EP 07726248A EP 1979929 B1 EP1979929 B1 EP 1979929B1
Authority
EP
European Patent Office
Prior art keywords
lamp
base
luminescent
coating
ring
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.)
Not-in-force
Application number
EP07726248.3A
Other languages
German (de)
English (en)
Other versions
EP1979929A2 (fr
Inventor
Frank Auer
Oliver Hering
Marc Lünnemann
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
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 EP1979929A2 publication Critical patent/EP1979929A2/fr
Application granted granted Critical
Publication of EP1979929B1 publication Critical patent/EP1979929B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • 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
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/16—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • 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
    • 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
    • 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
    • F21S41/19—Attachment of light sources or lamp holders

Definitions

  • the invention relates to a lamp with at least one lamp vessel inserted into a base, in which at least one light source is accommodated.
  • a luminous ring made of plastic provided with phosphorescent substances for the luminescent development of a headlamp. This is available as an accessory in addition to the headlight bulb and is pushed over the lamp vessel end face on the base of the lamp and fixed by means engaging in recesses of the base projections on the lamp.
  • the phosphorescent substances of the luminous ring are acted upon energetically by the radiation during operation of the lamp, so that the luminous ring luminesces after switching off the lamp for several minutes to hours and forms a homogeneous luminous surface, which is visible in a dark environment and, for example, in a vehicle headlight produces an aesthetically pleasing visual effect.
  • the functionality of the lamp can be checked, in particular in the case of a vehicle lamp, since the illuminated ring only luminesces in the dark after being irradiated by the lamp.
  • a disadvantage of such provided with an additional light ring lamps is the one that they do not provide information because of the homogeneous luminous surface of the ring and on the other hand an additional installation effort is necessary to mount the light ring to the lamp. Furthermore, it is disadvantageous that the light ring detach from the base of the lamp and can come into contact with the thermally highly loaded lamp vessel and leads to a failure of the lamp and thereby to a safety hazard.
  • the US 5,833,349 discloses a lamp with a phosphorescent lampshade that luminesces after the light goes out.
  • the JP 2002-170413 discloses a luminaire with a phosphorescent lampshade, which luminesces after the light has gone out.
  • the WO 94/19644 discloses a lamp whose lamp vessel is surrounded by a collar of fluorescent material.
  • the WO 2004/034358 discloses a lamp with a luminescent graphic on the lamp vessel.
  • the invention has for its object to provide a lamp in which compared to conventional solutions, an afterglow effect with information option with minimal device-technical effort is possible.
  • the lamp according to the invention has at least one lamp vessel inserted into a base, in which at least one Illuminant is included.
  • the lamp has at least one after the switching off of the bulb luminescent area.
  • the luminescent area provided on the lamp furthermore permits, in addition to a functional check of the lamp, information about the manufacturer, the type of lamp or the like.
  • the luminescent area is designed as lettering or graphics, for example as a brand logo (branding).
  • the luminescent region has at least one phosphorescent substance.
  • An advantage of phosphorescent substances is that, depending on the composition, they can emit light of a different wavelength than the light with which they were irradiated. As a result, the phosphorescent substance can be designed in such a way that light is emitted in the desired color range after switching off the illuminant.
  • the luminescent region is applied as a coating on the lamp.
  • the Nachleuchtzeit, afterglow and Nachleuchtate can here by the coating materials and the composition of the coating can be changed.
  • the luminescent coating is applied to at least one visible surface of the base. Since the base is thermally less loaded relative to the lamp vessel, a long life of the afterglow coating is achieved.
  • the luminescent coating is applied to the lamp by a printing process, for example by means of offset printing.
  • a phosphorescent substance is preferably dispersed in a silicone composition and then printed by a printing process, for example on the base of the lamp.
  • the base has at least one recess which delimits the luminescent region, wherein a luminescent molded part, which is adapted at least in sections to the inner contour of the lamp base, is fixed in the base.
  • the molded part is preferably fixed in the base by an adhesive and / or clamping technique.
  • the recess delimiting the luminescent region is preferably introduced into the base by means of laser radiation or punching, for example in the form of a lettering or a graphic, in this alternative embodiment.
  • the molded part is preferably made of a plastic which contains at least one phosphorescent substance, in particular from a phosphorescent silicone casting compound, or from a plastic which is at least partially coated with a phosphorescent material.
  • the base of the lamp is formed from a plastic, wherein the luminescent region is introduced into the base in a multi-component injection molding process.
  • FIG. 1 shows a three-dimensional view of a lamp 1 according to the invention with a consisting of toughened, about a lamp longitudinal axis 2 rotationally symmetrical substantially cylindrical lamp vessel 4, which is closed by a pinch seal 6 and inserted into a socket 8 of the type PX26d through which the lamp 1 in a non represented version of a vehicle headlamp can be used.
  • the remote from the base 8 end portion 10 of the lamp vessel 4 is formed by a spherically shaped Dome 12 is formed, which has a centrally disposed exhaust tube 14 to which in the manufacture of the lamp 1, a pumping tube was attached to evacuate the interior of the lamp vessel 4 and to fill with a filling gas containing halogens.
  • a light source 18 is accommodated, which is designed in the illustrated embodiment as an arranged in the axial direction of the filament 20, which is held in the lamp vessel 4 via two power supply wires 22, 24.
  • the outer end portions of the power supply wires 22, 24 are connected to the power supply of the incandescent filament 20 each having a contact lug (not shown).
  • the top 12 of the lamp vessel 4 is circumferentially provided with a silver-colored cover coating 26, which reflects from the filament 20 axially parallel to the lamp longitudinal axis 2 emitted radiation back to the reflector of the headlamp (not shown).
  • a silver-colored cover coating 26 which reflects from the filament 20 axially parallel to the lamp longitudinal axis 2 emitted radiation back to the reflector of the headlamp (not shown).
  • the base 8 of the lamp 1 is executed in the embodiment shown as a plate base and consists essentially of an approximately cylindrical base sleeve 28, in which the lamp vessel 4 is inserted via the pinch seal 6 and fixed by clamping tabs 30 and from a positioning ring 32, over the the lamp 1 can be inserted in the correct position in the version of the headlamp.
  • the positioning ring 32 is designed as a stepped sheet metal stamping bent part with sections of circular cross section and connected via an approximately L-shaped fastening element 36 with the base sleeve 28.
  • the positioning ring 32 has a plate flange 34 in the three staggered indentations 38, 40 (one of the indentations 38 is covered by the lamp vessel 4) are introduced, which allow a defined mounting of the lamp 1 in the socket.
  • the impressions 38 are arranged offset by 90 ° to one another and by 135 ° to the third impression 40.
  • the region of the third impression 40 is limited by two notches 42 in the plate flange 34 of the base 8, which allow ventilation of the headlight interior (not shown).
  • the lamp 1 has a luminescent after switching off the lamp 18 area 44, which has a phosphorescent substance in the embodiment shown, which is applied as a coating 46 in the form of a lettering on a visible surface 48 of the base 8 and in particular after switching off the lamp 18 is visible in a dark environment, with the afterglow color, afterglow and afterglow intensity determined by the coating materials and the composition of the coating 46.
  • the afterglow coating 46 is applied by a printing process, for example by means of offset printing.
  • the phosphorescent substance is dispersed, for example, in a silicone molding compound and then printed by a printing operation on the visible surface 48 of the lamp cap 8.
  • FIG. 2 a positioning ring 50 of a lamp according to the invention is shown according to a second embodiment.
  • This embodiment is substantially different from the previously described embodiment in that the positioning ring 50 for attachment to the outer circumferential surface of the base sleeve (not shown) has four mutually offset retaining tabs 52 which are punched out of the base 8 and extend substantially in the longitudinal direction of the base 8.
  • retaining tabs 52 radially inwardly extending nubs 54 are introduced, which serve as welds for attachment of the positioning ring 50 on the base sleeve.
  • the positioning ring 50 is designed as a stepped sheet metal stamped bent part with sections circular cross-section, wherein on a plate flange 56 three offset from each other positioning tabs 58, 60, 62 are formed, which allow a defined mounting of the lamp 1 in the socket.
  • the positioning ring 50 further has a stepped shoulder 64, in which an approximately rectangular ventilation recess 66, which is punched out of the stepped shoulder 64, is introduced for ventilation of the headlight interior (not shown), which is bounded by two punched tabs 68 extending substantially in the longitudinal direction of the positioning ring 50.
  • a luminescent coating 46 made of a phosphorescent substance in the form of a lettering is applied to the visible surface 48 of the positioning ring 50 and is visible in a dark environment, in particular after switching off the lamp.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Claims (2)

  1. Lampe comprenant au moins un récipient de lampe (4) inséré dans un socle (8), dans lequel récipient de lampe est logé au moins un moyen lumineux (18), la lampe (1) présentant au moins une zone post-luminescente (44) après la mise hors fonction du moyen lumineux (18), laquelle est appliquée sur la lampe (1) en tant que revêtement post-luminescent (46) présentant au moins une substance phosphorescente,
    caractérisée en ce que la lampe est réalisée comme phare de véhicule automobile et en ce que le revêtement post-luminescent (46) est appliqué en tant qu'inscription ou graphique sur au moins une surface visible (48) du socle (8).
  2. Lampe selon la revendication 1, le revêtement post-luminescent (46) étant appliqué au moyen d'un procédé d'impression, notamment au moyen d'impression offset.
EP07726248.3A 2006-02-01 2007-01-29 Lampe phosphorescente Not-in-force EP1979929B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006004977A DE102006004977A1 (de) 2006-02-01 2006-02-01 Nachleuchtende Lampe
PCT/EP2007/050825 WO2007088150A2 (fr) 2006-02-01 2007-01-29 Lampe phosphorescente

Publications (2)

Publication Number Publication Date
EP1979929A2 EP1979929A2 (fr) 2008-10-15
EP1979929B1 true EP1979929B1 (fr) 2016-06-22

Family

ID=37776433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726248.3A Not-in-force EP1979929B1 (fr) 2006-02-01 2007-01-29 Lampe phosphorescente

Country Status (5)

Country Link
US (1) US20090045718A1 (fr)
EP (1) EP1979929B1 (fr)
CN (1) CN101375370A (fr)
DE (1) DE102006004977A1 (fr)
WO (1) WO2007088150A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9121557B2 (en) * 2013-03-15 2015-09-01 Jianqiao YANG Lamp having multi-functional support
US9889801B2 (en) 2016-07-14 2018-02-13 Ford Global Technologies, Llc Vehicle lighting assembly
JP6913589B2 (ja) * 2017-09-28 2021-08-04 株式会社小糸製作所 車両用灯具
US12051769B2 (en) 2021-10-13 2024-07-30 Creeled, Inc. Integrated warning structures for energized ultraviolet light-emitting diode packages

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056439A1 (de) * 2007-11-23 2009-05-28 Osram Gesellschaft mit beschränkter Haftung Lampe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965490A (en) * 1989-01-09 1990-10-23 Gte Products Corporation Scent-generating lamp using mating parts
WO1994019644A1 (fr) * 1993-02-18 1994-09-01 Tomico Products, Inc. Collier a faible consommation en watt ameliorant l'eclairage
US5654552A (en) * 1995-02-22 1997-08-05 Toombs; Virginia L. Glow-in-the-dark lamp shade
US5833349A (en) * 1997-10-25 1998-11-10 Apple; Wayne B. Phosphorescent lamp shade
JP2002170413A (ja) * 2000-11-30 2002-06-14 Matsushita Electric Works Ltd 照明器具
DE60318091T2 (de) * 2002-10-10 2008-11-27 Koninklijke Philips Electronics N.V. Beleuchtungseinrichtung
EP1723453A1 (fr) * 2004-03-12 2006-11-22 Avery Dennison Corporation Systeme d'eclairage a source de lumiere phosphorescente passive
JP2005310750A (ja) * 2004-03-25 2005-11-04 Nec Lighting Ltd 白熱電球

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056439A1 (de) * 2007-11-23 2009-05-28 Osram Gesellschaft mit beschränkter Haftung Lampe

Also Published As

Publication number Publication date
DE102006004977A1 (de) 2007-08-02
CN101375370A (zh) 2009-02-25
WO2007088150A3 (fr) 2008-02-21
US20090045718A1 (en) 2009-02-19
WO2007088150A2 (fr) 2007-08-09
EP1979929A2 (fr) 2008-10-15

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