EP0231303A1 - Leuchtstofflampe für unipolaren betrieb. - Google Patents
Leuchtstofflampe für unipolaren betrieb.Info
- Publication number
- EP0231303A1 EP0231303A1 EP86904802A EP86904802A EP0231303A1 EP 0231303 A1 EP0231303 A1 EP 0231303A1 EP 86904802 A EP86904802 A EP 86904802A EP 86904802 A EP86904802 A EP 86904802A EP 0231303 A1 EP0231303 A1 EP 0231303A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- anode
- fluorescent lamp
- discharge
- cathode
- unipolar operation
- 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.)
- Granted
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005684 electric field Effects 0.000 claims 1
- 238000001962 electrophoresis Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 mercury ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- 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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
-
- 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
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
-
- 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
- H01J61/325—U-shaped lamps
Definitions
- Such a fluorescent lamp is primarily filled with mercury vapor and the inner surface of its glass bulb is coated with fluorescent material.
- the unipolar operation is a supply with direct current or with a clocked direct voltage, namely a voltage pulsating only with one polarity, such as a sine half-wave voltage, a rectangular pulse train, etc.
- Direct current operation in particular of low-pressure gas discharge lamps, is provided for physically plausible and experimentally proven reasons Provided that ohmic stabilization resistances can be avoided, a luminous efficacy that is improved by 20% and more compared to conventional AC operation.
- Heat sink 9 'and 9' 1 attached, which also serve as an anode holder.
- the two heat dissipators 9 'and 9 1 ' are connected to two outwardly leading lamp connection pins 10 for dissipating the heat from the lamp to the outside.
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86904802T ATE46985T1 (de) | 1985-07-19 | 1986-07-21 | Leuchtstofflampe fuer unipolaren betrieb. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3525888A DE3525888C1 (de) | 1985-07-19 | 1985-07-19 | Leuchtstofflampe fuer unipolaren Betrieb |
DE3525888 | 1985-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0231303A1 true EP0231303A1 (de) | 1987-08-12 |
EP0231303B1 EP0231303B1 (de) | 1989-10-04 |
Family
ID=6276245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86904802A Expired EP0231303B1 (de) | 1985-07-19 | 1986-07-21 | Leuchtstofflampe für unipolaren betrieb |
Country Status (6)
Country | Link |
---|---|
US (1) | US4814663A (de) |
EP (1) | EP0231303B1 (de) |
JP (1) | JPS63500833A (de) |
KR (1) | KR910001418B1 (de) |
DE (2) | DE3525888C1 (de) |
WO (1) | WO1987000683A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63186046U (de) * | 1987-05-25 | 1988-11-29 | ||
GB8802237D0 (en) * | 1988-02-02 | 1988-03-02 | Shell Int Research | Detection of chemicals by immunoassay |
WO1990008399A1 (en) * | 1989-01-20 | 1990-07-26 | Gte Licht Gmbh | Method of dimensioning and operating a low pressure discharge lamp |
DE29602733U1 (de) * | 1996-02-20 | 1996-04-04 | Holzer, Walter, Prof. Dr.h.c. Ing., 88709 Meersburg | Energiesparlampe mit gewendeltem Gasentladungsgefäß und trennbarem Vorschaltgerät |
CN101681798A (zh) * | 2007-06-20 | 2010-03-24 | 皇家飞利浦电子股份有限公司 | 碳化钽灯丝灯及其生产方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1990175A (en) * | 1931-05-29 | 1935-02-05 | Gen Electric Vapor Lamp Co | Gaseous electric discharge device |
DE617083C (de) * | 1933-11-13 | 1935-08-12 | Philips Nv | Elektrische Entladungslampe mit Gasfuellung und zwei Gluehkathoden, wobei in der Naehe einer jeden Gluehkathode eine mit dieser Gluehkathode verbundene Anode angeordnet ist |
DE923497C (de) * | 1943-02-05 | 1955-02-14 | Patra Patent Treuhand | Quecksilber-Niederdruckentladungslampe fuer Gleichstrombetrieb |
FR1322083A (fr) * | 1962-05-18 | 1963-03-22 | Lampes Sa | Lampe à décharge dans le mercure à basse pression pour fonctionnement sur du courant continu |
CH631575A5 (de) * | 1978-04-28 | 1982-08-13 | Bbc Brown Boveri & Cie | Verfahren zur lebensdauererhoehung eines gasentladungsgefaesses. |
US4173730A (en) * | 1978-07-11 | 1979-11-06 | Westinghouse Electric Corp. | Compact fluorescent lamp unit having integral circuit means for DC operation |
-
1985
- 1985-07-19 DE DE3525888A patent/DE3525888C1/de not_active Expired
-
1986
- 1986-07-21 JP JP61504159A patent/JPS63500833A/ja active Granted
- 1986-07-21 WO PCT/EP1986/000429 patent/WO1987000683A1/de active IP Right Grant
- 1986-07-21 EP EP86904802A patent/EP0231303B1/de not_active Expired
- 1986-07-21 US US07/053,295 patent/US4814663A/en not_active Expired - Fee Related
- 1986-07-21 KR KR1019870700232A patent/KR910001418B1/ko not_active IP Right Cessation
- 1986-07-21 DE DE8686904802T patent/DE3666112D1/de not_active Expired
Non-Patent Citations (1)
Title |
---|
See references of WO8700683A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPS63500833A (ja) | 1988-03-24 |
WO1987000683A1 (en) | 1987-01-29 |
JPH0467744B2 (de) | 1992-10-29 |
KR880700448A (ko) | 1988-03-15 |
DE3525888C1 (de) | 1987-01-08 |
US4814663A (en) | 1989-03-21 |
KR910001418B1 (ko) | 1991-03-05 |
EP0231303B1 (de) | 1989-10-04 |
DE3666112D1 (en) | 1989-11-09 |
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