EP2054910A2 - Verfahren zum markieren oder beschriften einer lampe und lampe - Google Patents
Verfahren zum markieren oder beschriften einer lampe und lampeInfo
- Publication number
- EP2054910A2 EP2054910A2 EP07802554A EP07802554A EP2054910A2 EP 2054910 A2 EP2054910 A2 EP 2054910A2 EP 07802554 A EP07802554 A EP 07802554A EP 07802554 A EP07802554 A EP 07802554A EP 2054910 A2 EP2054910 A2 EP 2054910A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- coating
- lamp vessel
- vessel
- marking
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002372 labelling Methods 0.000 title claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 55
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 15
- 230000005670 electromagnetic radiation Effects 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 241001104043 Syringa Species 0.000 description 1
- 235000004338 Syringa vulgaris Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- QWVYNEUUYROOSZ-UHFFFAOYSA-N trioxido(oxo)vanadium;yttrium(3+) Chemical compound [Y+3].[O-][V]([O-])([O-])=O QWVYNEUUYROOSZ-UHFFFAOYSA-N 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/18—Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/009—Working by laser beam, e.g. welding, cutting or boring using a non-absorbing, e.g. transparent, reflective or refractive, layer on the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
- H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
Definitions
- the invention relates to a method for marking or labeling a lamp and to a lamp marked or labeled according to the method.
- the inventive method for marking or loading fonts of a lamp having at least a coated lamp vessel is inventively since ⁇ by that, for producing the marking or lettering, the coating of the lamp vessel is at least partially removed from a portion of the lamp vessel.
- the at least partial removal of the coating permanently changes the optical properties and the appearance of the affected lamp vessel area, which makes it possible in a simple manner to permanently mark or even inscribe the lamp.
- the at least partial removal of the coating is carried out by means of electromagnetic radiation.
- a coating which is brought off against the inside of a sealed lamp vessel, partially or completely removed who to, since the wavelength of the electromagnetic radiation can be adapted to the transmission or absorption properties of the lamp vessel material and of the coating material ⁇ .
- a laser is used to generate the aforementioned electromagnetic radiation, as this is a sufficiently high power density for removing the coating can be generated.
- the at least partial removal of the coating of a lamp vessel portion is as an intermediate step during the manufacture of the lamp performed in order to attach the tag or label in a region of the lamp vessel, or after completion ⁇ position of the lamp for the labeling Labeling tools is inaccessible.
- the aforementioned mark or label is attached in a preferably visible range of the lamp vessel, which is no longer accessible after completion of the lamp for marking or labeling tools that Mar ⁇ ktechnik or label as a distinguishing feature be- can see original lamps and imitations be used ,
- he ⁇ inventive method is applied to lamps that have a provided with a phosphor coating glassy lamp vessel.
- the marking or inscription can be achieved by using Help electromagnetic radiation, which is generated for example by means of a laser and is transmitted by the lamp vessel, a portion of the attached to the inside of the lamp vessel phosphor coating is removed.
- the label or labeling can be achieved in that the metal coating is removed from a region of the reflector bowl by means of electromagnetic radiation, which is evidence, for example by means of a laser he ⁇ .
- an infrared radiation-generating laser for example an Nd: YAG laser, that is, a laser having a neodymium-doped yttrium-aluminum-garnet crystal as the active medium, is used to produce the marking or inscription according to the above-mentioned embodiments.
- Nd: YAG laser that is, a laser having a neodymium-doped yttrium-aluminum-garnet crystal as the active medium
- a YVC> 4 laser with a wavelength of 1064 nm on the basis of a neodymium-doped yttrium-vanadate crystal or a YLF laser with a wavelength of 1047 nm.
- the interference filter coating is removed from a region of the reflector shell.
- electromagnetic radiation which is generated for example by means of a laser
- the interference filter coating is usually designed to be reflective transparent to infrared radiation and light and only absorbs UV radiation in a sufficient extent.
- the lamp according to the invention has at least one provided with egg ⁇ ner coating lamp vessel, wherein in a region of the coated lamp vessel a mark or label is attached which is produced by at least partial removal of the coating or by varying the optical properties of the coating in this area.
- This marking or lettering can be easily produced and is characterized by a high durability.
- the marking or inscription is advantageously arranged in a visible location is ⁇ that rungs- or after completion of the lamp for marking marking tools is inaccessible. Since ⁇ through the marking or labeling to distinguish between the original lamp and imitations can be used as the marker or label can not be applied subsequently.
- Figure 1 is a side view of a lamp according to the first embodiment of the invention in a perspective view
- Figure 2 is a plan view of the lamp shown in Figure 1 in a schematic representation
- Figure 3 shows a cross section through a reflector lamp according to the second and third embodiments of the invention in a schematic representation
- FIG. 4 shows a plan view of the reflector lamp depicted in FIG.
- the first embodiment of the invention is a compact fluorescent lamp 1.
- This fluorescent lamp 1 be ⁇ sits an E27 screw 100 with a housed in the interior of the screw 100 electronic ballast for operating the fluorescent lamp 1.
- Das Discharge vessel 11 of the fluorescent lamp 1 consists of three U-shaped lamp vessel parts 111, 112, 113 and two hollow connecting webs 114, 115 which connect the lamp vessel parts 111 and 112 or 112 and 113 with each other, so that by the aforementioned lamp vessel parts 111, 112 , 113 and connecting webs 114, 115, a single to ⁇ sammen folder, meandering interior or discharge space is formed.
- the second leg 111b of the first U-shaped lamp vessel part 111 is connected via the first hollow connecting web 114 to the first leg 112a of the second U-shaped lamp vessel part 112 and the second leg 112b of the second U-shaped lamp vessel part 111.
- Pengefäßteils 112 via the second hollow connecting web 115 with the first leg 113a of the third U-shaped lamp vessel portion 113 connected.
- an electrode coil 3, 4 of the fluorescent lamp 1 is arranged, between which forms a low-pressure gas discharge during lamp operation.
- the discharge medium used is mercury and a noble gas or noble gas mixture, for example one or more of the gases argon, krypton and / or neon.
- the inside of the discharge vessel 11 is provided with a phosphor coating comprising the usual, known three-band phosphors to generate white light ⁇ SEN high color rendering index.
- the first leg lilac of the first U-shaped lamp vessel part 111 is provided with a lettering 2, for example in the form of the word "OSRAM", which is applied to the lamp vessel part 111 with the aid of an Nd: YAG laser prior to assembly of the pedestal 100 was.
- the infrared radiation is generated with a wavelength of 1064 nm, from the outside with infrared radiation of the aforementioned wavelength, and an average power of less than or equal to 20 watts and a pulse repetition frequency in the range irradiated from 10 kHz to 20 kHz
- This infrared radiation penetrates the glass of the lamp vessel part 111 almost unattenuated and dissolves the Fluorescent coating from the inside of the thigh purple.
- the phosphor coating is partially or completely removed from the vessel wall of the leg purple
- the height of the lettering 2 or the word “OSRAM” is only 0.8 mm, so that a large-scale damage of the phosphor layer is avoided by the laser.
- the label 2 is be applied ⁇ as shown in Figure 1 on the front side facing the viewer of the first leg purple of the first lamp vessel portion 111th Alternatively, the label 2 but also in the area 2 'on the back of the first leg may be purple. In this case, the label is visible only when looking through the gap between the second 112 and third U-shaped lamp vessel portion 113 and the label would have to be attached to the lamp vessel 111 before attaching the base 100, since the area 2 'after completion of the Lamp 1 is no longer accessible to the laser.
- the second embodiment of the invention is a reflector lamp 200.
- This reflector lamp 200 has as light source a halogen incandescent lamp 210, which is anchored by means of a holder 220 in a reflector 230 made of glass or plastic.
- the halogen lamp 210 has ei ⁇ ne V-shaped filament 211, the filament connections on each ⁇ wells a gas-tight manner in the pinch foot 213 of the lamp vessel 212 embedded molybdenum foil 214, 215, and adjoining current supply wire 216, 217 are connected with a contact pin 218, 219th
- the reflector 230 has a parabolic reflector shell 231, which is the lamp vessel 212 facing inner side has a light reflectors ⁇ tierend formed aluminum coating 232nd
- the light exit opening of the reflector dish 231 can be provided with a translucent cover 240.
- a Be ⁇ schriftung 250 in the form of the lettering "OSRAM” is appropriate
- This lettering has a height of 0.8 mm to produce the lettering 250 is by means of a Nd:.. YAG laser, the aluminum coating 232 of the inside the reflector cup 231 partially full text or ⁇ dig removed. that is, in the region of lettering "OSRAM", the aluminum coating has been partially or preferably completely removed.
- the inside of reflector cup 231 is irradiated in the range of the aforementioned lettering with infrared radiation of a wavelength of 1064 nm, an average pulse power of approximately 20 watts and a Impulsméfre acid sequence in the range of 10 kHz to 20 kHz.
- the aluminum coating 232 is evaporated in the range of the writing and released from the reflector cup 231 from ⁇ .
- the label 250 is attached to the inside of the reflector cup 231 prior to assembly of Ha ⁇ lied bulb 210 in the reflector 230th
- the loading is placed 250 in the vicinity of the apex of the reflector cup 231, as this area after installation of the halogen lamp 210 in the reflector 230 is hardly accessible for the laser inscription ⁇ schriftung.
- the third embodiment of the invention is a reflector lamp which, apart from the light-reflecting coating on the inside of the reflector dish 231 is identical to the second embodiment of the invention shown in FIGS. 3 and 4.
- FIGS. 3 and 4 therefore also show an illustration of the reflector lamp according to the third exemplary embodiment of the invention.
- the reflector lamp according to the third embodiment of the invention has Anstel ⁇ le of the aluminum layer 232 coating a Interferenzfilterbe- formed light-reflecting, for example, a so-called cold-.
- the interference filter coating reflects light emitted by the halogen incandescent lamp in the direction of the light exit opening of the reflector dish 231 and is permeable to the infrared radiation emitted by the halogen incandescent lamp, so that this infrared radiation through the interference filter coating and through the glass or plastic material likewise permeable to infrared radiation Re ⁇ reflector cup 231 can leave the reflector and is not focused on the object to be illuminated.
- an ultraviolet-ray generating laser is used, for example, an excimer laser or a solid-state laser, for example, a frequency-tripled Nd: YAG laser having a wavelength of 355 nm.
- the laser is pulsed at a pulse repetition frequency in the range of 10 kHz to 20 kHz and an average power of about 2 watts operated.
- the interference filter coating in the region of the lettering is evaporated or removed from the inside of the reflector dish 231.
- the invention is not limited to the embodiments explained in more detail above, but can also be applied to other lamp types.
- the coating material does not necessarily have to be removed in the area of the lettering or the lettering.
- the optical properties of the coating material can be changed by means of electromagnetic radiation, in particular laser radiation, beispiel ⁇ example by a chemical or physical reaction in the coating material is triggered by the electromagnetic radiation.
- the inscription can be carried out by means of the laser instead of from the inside and from the outside of the reflector shell forth.
- the laser radiation penetrates the glass or plastic ⁇ material of the reflector shell before it hits the coating and is absorbed by this, in order to remove the coating in the area of the lettering.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
- Making Paper Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610039198 DE102006039198A1 (de) | 2006-08-22 | 2006-08-22 | Verfahren zum Markieren oder Beschriften einer Lampe und Lampe |
| PCT/EP2007/058265 WO2008022928A2 (de) | 2006-08-22 | 2007-08-09 | Verfahren zum markieren oder beschriften einer lampe und lampe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2054910A2 true EP2054910A2 (de) | 2009-05-06 |
Family
ID=38819680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07802554A Withdrawn EP2054910A2 (de) | 2006-08-22 | 2007-08-09 | Verfahren zum markieren oder beschriften einer lampe und lampe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2054910A2 (de) |
| CN (1) | CN101506928A (de) |
| DE (1) | DE102006039198A1 (de) |
| WO (1) | WO2008022928A2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3109058A3 (de) * | 2015-06-26 | 2017-01-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur markierung von werkstücken und markiertes werkstück |
| DE102017222637A1 (de) * | 2017-12-13 | 2019-06-13 | Osram Gmbh | Leuchtmittel mit kennzeichnung, verfahren zur kennzeichnung eines leuchtmittels und fahrzeugscheinwerfer mit leuchtmittel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4515867A (en) * | 1982-09-20 | 1985-05-07 | Rca Corporation | Method for ablating a coded marking into a glass workpiece and product thereof |
| US4896074A (en) * | 1988-12-27 | 1990-01-23 | Gte Products Corporation | Process for marking a glass object and article |
| JPH0773852A (ja) * | 1993-08-31 | 1995-03-17 | Toshiba Lighting & Technol Corp | 管 球 |
| US7486025B2 (en) * | 2004-05-20 | 2009-02-03 | Osram Sylvania Inc. | UV depreciation sensor |
-
2006
- 2006-08-22 DE DE200610039198 patent/DE102006039198A1/de not_active Withdrawn
-
2007
- 2007-08-09 CN CN 200780031087 patent/CN101506928A/zh active Pending
- 2007-08-09 WO PCT/EP2007/058265 patent/WO2008022928A2/de not_active Ceased
- 2007-08-09 EP EP07802554A patent/EP2054910A2/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008022928A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006039198A1 (de) | 2008-02-28 |
| WO2008022928A2 (de) | 2008-02-28 |
| WO2008022928A3 (de) | 2008-11-13 |
| CN101506928A (zh) | 2009-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20090210 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
| DAX | Request for extension of the european patent (deleted) | ||
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB HU IT |
|
| 17Q | First examination report despatched |
Effective date: 20110121 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM AG |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20140301 |