DE69919505D1 - Niederdruckquecksilberdampfentladungslampe - Google Patents

Niederdruckquecksilberdampfentladungslampe

Info

Publication number
DE69919505D1
DE69919505D1 DE69919505T DE69919505T DE69919505D1 DE 69919505 D1 DE69919505 D1 DE 69919505D1 DE 69919505 T DE69919505 T DE 69919505T DE 69919505 T DE69919505 T DE 69919505T DE 69919505 D1 DE69919505 D1 DE 69919505D1
Authority
DE
Germany
Prior art keywords
low pressure
discharge lamp
pressure mercury
mercury vapor
vapor discharge
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
DE69919505T
Other languages
English (en)
Other versions
DE69919505T2 (de
Inventor
H Roes
Der Pol J Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69919505D1 publication Critical patent/DE69919505D1/de
Publication of DE69919505T2 publication Critical patent/DE69919505T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
DE69919505T 1998-10-23 1999-09-20 Niederdruckquecksilberdampfentladungslampe Expired - Fee Related DE69919505T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98203583 1998-10-23
EP98203583 1998-10-23
PCT/EP1999/007022 WO2000025345A1 (en) 1998-10-23 1999-09-20 Low pressure mercury vapour discharge lamp

Publications (2)

Publication Number Publication Date
DE69919505D1 true DE69919505D1 (de) 2004-09-23
DE69919505T2 DE69919505T2 (de) 2005-09-08

Family

ID=8234258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919505T Expired - Fee Related DE69919505T2 (de) 1998-10-23 1999-09-20 Niederdruckquecksilberdampfentladungslampe

Country Status (7)

Country Link
US (1) US6445121B1 (de)
EP (1) EP1044462B1 (de)
JP (1) JP2002528879A (de)
CN (1) CN1132220C (de)
DE (1) DE69919505T2 (de)
TW (1) TW433537U (de)
WO (1) WO2000025345A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60027262T2 (de) 1999-08-26 2007-03-08 Koninklijke Philips Electronics N.V. Niederdruck-quecksilberdampfentladungslampe
JP2003515885A (ja) * 1999-11-24 2003-05-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 低圧水銀放電ランプ
US6630787B2 (en) * 2000-03-06 2003-10-07 Koninklijke Philips Electronics N.V. Low-pressure mercury-vapor discharge lamp having electrode shield carrying direct electric current
WO2002091423A2 (en) * 2001-05-08 2002-11-14 Koninklijke Philips Electronics N.V. Low-pressure mercury vapor discharge lamp
US6614146B2 (en) * 2001-09-24 2003-09-02 Osram Sylvania Inc. Electrode shield for fluorescent lamp having a pair of spaced apart shield plates
SE524397C2 (sv) * 2002-04-11 2004-08-03 Auralight Int Ab Katodenhet för lysrör och förfarande för tillverkning av lysrör
WO2006046198A1 (en) * 2004-10-26 2006-05-04 Koninklijke Philips Electronics N.V. A gas discharge lamp having a cold spot outside its translucent envelope
EP2312959B1 (de) 2008-08-14 2017-12-13 Rhodia Acetow GmbH Photoabbaubarer kunststoff sowie dessen verwendung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369655A (en) * 1930-07-09 1932-03-21 Philips Nv Improvements relating to electron discharge tubes or thermionic valves
NL218300A (de) * 1956-06-27
US3798485A (en) * 1972-09-29 1974-03-19 Gen Electric Lamp apparatus for improving wall darkening characteristics
JPS62208536A (ja) * 1986-03-10 1987-09-12 Hitachi Ltd 蛍光灯
IT1277239B1 (it) * 1995-11-23 1997-11-05 Getters Spa Dispositivo per l'emissione di mercurio,l'assorbimento di gas reattivi e la schermatura dell'elettrodo all'interno di lampade
DE69526657T2 (de) * 1995-12-01 2003-02-06 Koninkl Philips Electronics Nv Niederdruckentladungslampe
JPH1131475A (ja) * 1997-07-09 1999-02-02 Tokyo Densoku Kk 放電管用電極装置
JPH11131475A (ja) 1997-10-30 1999-05-18 Taisei Corp 山留支保工の施工方法

Also Published As

Publication number Publication date
DE69919505T2 (de) 2005-09-08
JP2002528879A (ja) 2002-09-03
CN1132220C (zh) 2003-12-24
US6445121B1 (en) 2002-09-03
WO2000025345A1 (en) 2000-05-04
CN1291342A (zh) 2001-04-11
TW433537U (en) 2001-05-01
EP1044462A1 (de) 2000-10-18
EP1044462B1 (de) 2004-08-18

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee