CN101506933B - Discharge lamp - Google Patents

Discharge lamp Download PDF

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Publication number
CN101506933B
CN101506933B CN2007800310932A CN200780031093A CN101506933B CN 101506933 B CN101506933 B CN 101506933B CN 2007800310932 A CN2007800310932 A CN 2007800310932A CN 200780031093 A CN200780031093 A CN 200780031093A CN 101506933 B CN101506933 B CN 101506933B
Authority
CN
China
Prior art keywords
coating
discharge lamp
discharge
discharge vessel
lamp according
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.)
Expired - Fee Related
Application number
CN2007800310932A
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Chinese (zh)
Other versions
CN101506933A (en
Inventor
斯特凡·阿佩尔
哈拉尔德·登茨
阿明·康拉德
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Landes Vance
Original Assignee
PATRA Patent Treuhand Munich
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Filing date
Publication date
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Publication of CN101506933A publication Critical patent/CN101506933A/en
Application granted granted Critical
Publication of CN101506933B publication Critical patent/CN101506933B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel

Abstract

The invention relates to a discharge lamp, particularly a low-pressure discharge lamp, comprising a discharge vessel (2), two electrodes (3, 4) located at least in part inside the discharge vessel (2), and a first coating (9) which is disposed in at least some areas on an external face (23) of the discharge vessel (2) and is embodied at least as a spectral filter for the light generated in the discharge vessel (2). A second coating (10), which is configured as an antioxidant layer for the first coating (9), is embodied in at least some areas on the first coating (9).

Description

Discharge lamp
Technical field
The present invention relates to a kind of discharge lamp, especially relate to a kind of low-pressure discharge lamp, this discharge lamp has discharge vessel and two and is arranged on the electrode in this discharge vessel and is arranged on first coating on the outside of discharge vessel at least partly to small part, and this coating is configured to the spectral filter at the light that produces in the discharge vessel at least.
Background technology
Discharge lamp, especially fluorescent lamp with outside coating are disclosed.For the lower discharge lamp of load, promptly for example have less than the lamp of 200mA discharging current disclosed be that external coating is made of plastics.External coating for example can be made of Merlon or polyolefin or polyester, and these external coatings also can be realized the function of function, especially UV (ultraviolet) protection of spectral filter and the function of other color effects.For the lower discharge lamp of these loads, mentioned plastic coating also can be realized the function of sufficient fragment protective, for example can stop the fragment of the fragment of discharge lamp and especially discharge vessel thus when lamp breaks usually.Yet signal layer coating only can guarantee its function in the lower discharge lamp of load.
Disclosedly in addition be, in the higher discharge lamp (its discharging current is greater than 300mA) of load, apply signal layer coating in the outside, this signal layer coating comprises resistant to elevated temperatures plastics.Yet about the spectral filtering function aspects, these signal layer coatings can not be used for painted or lookization fully, make the lamp type of present high load capacity can not be equipped with reliable fragment protective and protection of UV simultaneously or color effect.
Summary of the invention
Therefore, task of the present invention is, proposes a kind of discharge lamp, especially a kind of discharge lamp about the discharging current high load capacity, and the external coating of this discharge lamp satisfies multi-functional requirement.
This task solves by a kind of discharge lamp, first coating that this discharge lamp has discharge vessel and is arranged on two electrodes in this discharge vessel and is provided with at least partly on the outside of this discharge vessel to small part, this first coating is configured to the spectral filter at the light that is produced in this discharge vessel at least, it is characterized in that, at least partly be built with second coating on first coating, this second coating is configured to the antioxidation coating of first coating.
Especially be configured to low-pressure discharge lamp according to discharge lamp of the present invention.This discharge lamp comprises that discharge vessel and two are arranged on electrode in the discharge vessel to small part.At least partly be provided with first coating on the outside of discharge vessel, this first coating is configured to the spectral filter at the light that is produced in the discharge vessel at least.In addition, be built with second coating at least partly on first coating, this second coating is configured to the antioxidation coating at first coating at least.Can satisfy the multi-functional requirement of discharge vessel by this layer system.Especially, can prevent the oxidation of first coating by second coating and obviously improve the thermal endurance of first coating.
Preferably, second coating directly is structured on first coating.What also can design is to be built with at least one other layer between two coatings at least partly.What can design equally is that first coating and/or second coating are configured to multilayer system respectively.
Discharge lamp advantageously makes up at the discharging current greater than 200mA.Particularly preferably be, discharge lamp is configured to the discharge lamp of high load capacity, and this discharge lamp especially makes up at the discharging current greater than 300mA.Just under the situation of the discharge lamp of high load capacity, following layer system can be structured on the outside: this layer system had at least not only satisfied the requirement of high-fire resistance but also had satisfied the requirement of enough spectral filtering functions thus.Therefore external coating also can random colourization or painted under the situation of this discharge lamp, and the tolerance high heat load.Especially, can obviously improve thus the thermal endurance of first coating.The heat-resisting quantity or the thermal endurance of material are understood that especially material keeps its elastic characteristic basically under than the situation of higher temperature effect, and not depolymerization of material, not oxidation and also not embrittlement.
Preferably, first coating is covered by second coating basically fully.Can protect first coating to avoid oxidation fully by whole covering.
Yet what also can design is that second coating only is structured on first coating in the outside of discharge vessel in the zone of first and second electrodes.Can realize by this configuration, especially discharge lamp and especially the hottest zone of discharge vessel be provided with two-layer at least system.So can improve the thermal endurance of first coating just there significantly by second coating.In order to improve the thermal endurance of first coating, second coating can be made up by respective material.
Preferably, first and/or second coating is configured to the fragment protective layer of discharge lamp.Thus, can make up and have multi-functional layer system, this layer system has also guaranteed the fragment protective function except guaranteeing the spectral filtering and oxidation protection (it is realized by second coating) by at least the first coating.
Preferably, first coating is by plastics, especially at least in part by Merlon, polyester, poly--methyl methacrylate or polyolefin structure.These materials can be realized being relatively easy to painted, and realize that thus fairly simple and expense produces the spectral filtering function of this coating cheaply.The spectral filtering function can consider that also saturated photochromic (for example red, green, blue, the yellow) that produce discharge lamp makes up.Especially, fully the UV filter function provides by first coating.
Second coating also can help the spectral filtering function of layer system.
Especially advantageously, second coating at least in part, especially fully made up by the plastic layer with low oxygen-permeability.Especially, second coating is made of FEP (perfluor (ethylene-propylene) plastics) at least in part.Especially under the situation of the discharge lamp of high load capacity aspect discharging current, this material can realize being arranged on the especially effectively anti-oxidation of first coating under it, and can realize fragment protective extremely reliably in addition.
Preferably, first coating is extended on the whole length in the outside of discharge vessel at least.
Second coating has preferably the bed thickness less than 10mm, especially less than bed thickness, the especially bed thickness between 0.1mm to 5mm of 6mm.
Preferably, discharge lamp comprises the discharge vessel of tubulose, is respectively arranged with electrode on the end regions of discharge vessel.Preferably, second coating makes up with following bed thickness: this bed thickness is configured to radial loop around the ground substantial constant and also have this radial thickness basically respectively on the longitudinal direction at discharge vessel in addition.
Discharge vessel preferably has the overall diameter less than 30mm, especially less than the overall diameter of 25mm.
Description of drawings
Schematic figures of following reference has further been set forth embodiments of the invention.Unique accompanying drawing shows the schematic cross sectional view according to discharge lamp of the present invention.
Embodiment
In Fig. 1, schematically show the profile of the low-pressure discharge lamp that is configured to fluorescent lamp 1.This fluorescent lamp 1 comprises the discharge vessel 2 of tubulose, and this discharge vessel for example can be a glass bulb.Electrode 3 or 4 is separately positioned on the opposed end regions 21 and 22 of discharge vessel 2, and is fixed on relevant lamp holder 5 or 6.Two electrically contact bar 7a and 7b and 8a and 8b and stretch out from lamp holder 5 and 6 respectively.On the outside 23 of discharge vessel 2, be built with first coating 9.First coating 9 is the plastics that are made of Merlon, polyester, poly--methyl methacrylate or polyolefin in this embodiment.First coating 9 has at least a spectral filtering function at the light that is produced in the discharge vessel 2.Especially, first coating 9 is configured to the UV overcoat.
First coating 9 is extended on whole length L, the lamp holder 5 and 6 that this length comprises the length of discharge vessel 2 and is adjacent.
What also can design is, first coating 9 is extending on the side of contact lever 7a and 7b or 8a and 8b in lamp holder 5 and 6 overleaf and thus at least partly.
First coating 9 tubular discharging capacitor 2 in the radial direction fully around the ground setting, therefore and cover the outside 23 ground settings fully.In this embodiment, first coating 9 directly is structured on the outside 23 and is structured on the edge of lamp holder 5 and 6.
In addition, the bed thickness d1 of first coating 9 radial loop around on approximately constant ground make up.In addition, bed thickness d1 also makes up with this bed thickness d1 on whole length L basic identically.
On first coating 9, directly be built with second coating 10 thereon.Second coating 10 is designed the antioxidation coating as first coating 9.In this embodiment, 9 whole ground of first coating are covered by second coating 10.Second coating 10 except its as also being designed to the fragment protective layer the effect of antioxidation coating at least.Second coating 10 is designed to have the FEP layer of low oxygen permeability and high fragment protective effect.This second coating 10 has than higher thermal endurance, and this thermal endurance is higher than the basic thermal endurance of first coating 9.
Except configuration shown in the figure, what also can design is that second coating 10 only covers first coating 9 partly.Especially, be that second coating 10 only is structured among the regional area A and B of discharge lamp and especially discharge vessel 2 what this can design.Compare with other zones of discharge vessel 2, the highest surface temperature in these zones of discharge vessel 2, occurs.In these regional A and B, importantly improve the thermal endurance of first coating 9 just by second coating 10.Zone A and B size in a longitudinal direction only are exemplary and also can be bigger or littler.In this configuration, second coating 10 demonstrates two independently coatings of ring-type thus, and these coating radial loop are structured on first coating 9 around ground.
In this form of implementation, so on first coating 9, do not make up second coating 10 in the zone between regional A and B.
The bed thickness d2 of second coating 10 is configured to radial loop in this embodiment around the ground substantially constant, and makes up with this bed thickness d2 in a longitudinal direction on whole length L.
What also can design is that bed thickness d1 and d2 change on the longitudinal extension direction of discharge lamp 1.Like this, what for example can design is, near the zone of bed thickness d2 electrode 3 and 4 in (for example at regional A and B) than in the zone between electrode 3 and 4 more heavy back make up.Equally, this can design with the bed thickness d1 of first coating 9.
Fluorescent lamp 1 makes up greater than the work of 200mA at discharging current.

Claims (14)

1. discharge lamp, this discharge lamp has discharge vessel (2) and is arranged on two electrodes (3 in this discharge vessel (2) to small part, 4) first coating (9) that is provided with at least partly and on the outside (23) of this discharge vessel (2), this first coating is configured to the spectral filter at the light that is produced in this discharge vessel (2) at least, it is characterized in that, at least partly be built with second coating (10) on first coating (9), this second coating (10) is configured to the antioxidation coating of first coating (9).
2. discharge lamp according to claim 1 is characterized in that, second coating (10) directly is structured on first coating (9).
3. according to claim 1 or 2 described discharge lamps, it is characterized in that first coating (9) is covered by second coating (10) fully.
4. according to claim 1 or 2 described discharge lamps, it is characterized in that (A is structured on first coating (9) in B) second coating (10) only in the zone of described two electrodes (3,4) on the outside (23) of discharge vessel (2).
5. discharge lamp according to claim 1 is characterized in that, first coating (9) directly is structured on the outside (23).
6. discharge lamp according to claim 1 is characterized in that, the thermal endurance of second coating (10) is higher than the thermal endurance of first coating (9).
7. discharge lamp according to claim 1 is characterized in that, first coating (9) and/or second coating (10) are configured to the fragment protective layer of discharge lamp (1).
8. discharge lamp according to claim 1 is characterized in that, first coating (9) is made of plastics.
9. discharge lamp according to claim 1 is characterized in that, second coating (10) is made of perfluoroethylene-propylene plastics at least in part.
10. discharge lamp according to claim 1 is characterized in that, first coating (9) is extended on the whole length in the outside (23) of discharge vessel (2).
11. discharge lamp according to claim 1 is characterized in that, at least the first coating (9) is a UV resistant at least.
12. discharge lamp according to claim 1 is characterized in that, second coating (10) has the bed thickness (d2) less than 10mm.
13. discharge lamp according to claim 1 is characterized in that, this discharge lamp makes up at the discharging current greater than 200mA.
14. discharge lamp according to claim 1 is characterized in that, discharge vessel (2) has the overall diameter less than 30mm.
CN2007800310932A 2006-08-24 2007-08-09 Discharge lamp Expired - Fee Related CN101506933B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006039637A DE102006039637A1 (en) 2006-08-24 2006-08-24 Discharge lamp, in particular low-pressure discharge lamp
DE102006039637.5 2006-08-24
PCT/EP2007/058277 WO2008022929A1 (en) 2006-08-24 2007-08-09 Discharge lamp, particularly low-pressure discharge lamp

Publications (2)

Publication Number Publication Date
CN101506933A CN101506933A (en) 2009-08-12
CN101506933B true CN101506933B (en) 2010-11-17

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CN2007800310932A Expired - Fee Related CN101506933B (en) 2006-08-24 2007-08-09 Discharge lamp

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EP (1) EP2054921B1 (en)
KR (2) KR101632023B1 (en)
CN (1) CN101506933B (en)
DE (1) DE102006039637A1 (en)
HU (1) HUE030022T2 (en)
WO (1) WO2008022929A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009055137A1 (en) 2009-12-22 2011-06-30 Osram Gesellschaft mit beschränkter Haftung, 81543 High pressure discharge lamp
DE102009055171A1 (en) 2009-12-22 2011-06-30 Osram Gesellschaft mit beschränkter Haftung, 81543 High pressure discharge lamp
DE102011002634A1 (en) * 2011-01-13 2012-07-19 Osram Ag Discharge lamp with discharge vessel and mercury filling
TW201311594A (en) * 2011-09-05 2013-03-16 Arclite Optronics Corp Glass tube and fabricating method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB373817A (en) * 1930-07-14 1932-06-02 Franz Skaupy Electric discharge lighting tubes with rare gas filling, in particular for illuminated advertising purposes
GB645335A (en) * 1946-01-11 1950-11-01 Sylvania Electric Prod Improvements in fluorescent lamps
US5729085A (en) * 1996-03-22 1998-03-17 Royal Lite Manufacturing And Supply Corp. Fluorescent lamp with a protective assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099090A (en) * 1977-06-14 1978-07-04 Westinghouse Electric Corp. Fluorescent lamp having a longitudinal stripe of phosphor on outer envelope surface with reflector layer thereover
CA2110005A1 (en) * 1992-12-28 1994-06-29 Jon B. Jansma Fluorescent lamp having high resistance conductive coating and method of making same
EP1563524B1 (en) * 2002-11-07 2011-04-20 Advanced Lighting Technologies, Inc. Method of making oxidation-protected metallic foils

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB373817A (en) * 1930-07-14 1932-06-02 Franz Skaupy Electric discharge lighting tubes with rare gas filling, in particular for illuminated advertising purposes
GB645335A (en) * 1946-01-11 1950-11-01 Sylvania Electric Prod Improvements in fluorescent lamps
US5729085A (en) * 1996-03-22 1998-03-17 Royal Lite Manufacturing And Supply Corp. Fluorescent lamp with a protective assembly

Also Published As

Publication number Publication date
EP2054921A1 (en) 2009-05-06
HUE030022T2 (en) 2017-04-28
CN101506933A (en) 2009-08-12
DE102006039637A1 (en) 2008-03-13
KR101632023B1 (en) 2016-06-21
KR101776826B1 (en) 2017-09-11
KR20140139120A (en) 2014-12-04
EP2054921B1 (en) 2016-05-04
KR20090043595A (en) 2009-05-06
WO2008022929A1 (en) 2008-02-28

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Effective date of registration: 20181210

Address after: Munich, Germany

Patentee after: Landes Vance

Address before: Munich, Germany

Patentee before: Patra Patent Treuhand

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101117

Termination date: 20200809