EP0924745A3 - Fluoreszenzlampe und Herstellungsverfahren derselben - Google Patents

Fluoreszenzlampe und Herstellungsverfahren derselben Download PDF

Info

Publication number: EP0924745A3
Authority: EP; European Patent Office
Prior art keywords: fluorescent lamp; manufacturing; flare stem; lamp; flare
Prior art date: 1997-12-16
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

Application number

EP98122236A

Other languages

English (en)

French (fr)

Other versions

EP0924745A2 (de

EP0924745B1 (de

Inventor

Mamoru Fukushima

Yasuo Kobayashi

Soichiro Ogawa

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1997-12-16

Filing date

1998-11-23

Publication date

1999-07-14

1998-11-23 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1999-06-23 Publication of EP0924745A2 publication Critical patent/EP0924745A2/de

1999-07-14 Publication of EP0924745A3 publication Critical patent/EP0924745A3/de

2003-11-12 Application granted granted Critical

2003-11-12 Publication of EP0924745B1 publication Critical patent/EP0924745B1/de

2018-11-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1
239000012212 insulator Substances 0.000 abstract 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
- H01J61/045—Thermic screens or reflectors
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/366—Seals for leading-in conductors
- 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
- 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/28—Manufacture of leading-in conductors

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

EP98122236A 1997-12-16 1998-11-23 Fluoreszenzlampe Expired - Lifetime EP0924745B1 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP34609697		1997-12-16
JP34609697		1997-12-16
JP16466298A JP3527851B2 (ja)	1997-12-16	1998-06-12	蛍光ランプ、蛍光ランプの製造方法および蛍光ランプ装置
JP16466298		1998-06-12

Publications (3)

Publication Number	Publication Date
EP0924745A2 EP0924745A2 (de)	1999-06-23
EP0924745A3 true EP0924745A3 (de)	1999-07-14
EP0924745B1 EP0924745B1 (de)	2003-11-12

Family

ID=26489683

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98122236A Expired - Lifetime EP0924745B1 (de)	1997-12-16	1998-11-23	Fluoreszenzlampe

Country Status (7)

Country	Link
EP (1)	EP0924745B1 (de)
JP (1)	JP3527851B2 (de)
KR (1)	KR100573608B1 (de)
CN (1)	CN1118084C (de)
DE (1)	DE69819669T2 (de)
ID (1)	ID21460A (de)
TW (1)	TW582620U (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6486595B1 (en) *	2000-06-19	2002-11-26	Osram Sylvania Inc.	Electric lamp having press seal configuration for exhaust tube protection
TW552611B (en) *	2001-03-29	2003-09-11	Toshiba Lighting & Technology	Fluorescent lamp and lighting apparatus
JP4382681B2 (ja)	2005-02-03	2009-12-16	Ｎｅｃ液晶テクノロジー株式会社	液晶表示装置
JP2007026811A (ja) *	2005-07-14	2007-02-01	Nec Lighting Ltd	蛍光ランプ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0381950A (ja) *	1989-08-24	1991-04-08	Toshiba Lighting & Technol Corp	けい光ランプ
EP0491420A1 (de) *	1990-12-17	1992-06-24	Koninklijke Philips Electronics N.V.	Niederdruckquecksilberdampfentladungslampe
US5298834A (en) *	1990-10-30	1994-03-29	Okaya Electric Industrial Co., Ltd.	Display discharge lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB863468A (en) *	1957-09-16	1961-03-22	Gen Electric Co Ltd	Improvements in or relating to low pressure electric discharge lamps
NL6501884A (de)	1965-02-16	1966-08-17

1998
- 1998-06-12 JP JP16466298A patent/JP3527851B2/ja not_active Expired - Lifetime
- 1998-11-23 EP EP98122236A patent/EP0924745B1/de not_active Expired - Lifetime
- 1998-11-23 DE DE69819669T patent/DE69819669T2/de not_active Expired - Lifetime
- 1998-11-24 TW TW92222302U patent/TW582620U/zh not_active IP Right Cessation
- 1998-12-14 ID IDP981619A patent/ID21460A/id unknown
- 1998-12-14 KR KR1019980054779A patent/KR100573608B1/ko not_active Expired - Fee Related
- 1998-12-16 CN CN 98125570 patent/CN1118084C/zh not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0381950A (ja) *	1989-08-24	1991-04-08	Toshiba Lighting & Technol Corp	けい光ランプ
US5298834A (en) *	1990-10-30	1994-03-29	Okaya Electric Industrial Co., Ltd.	Display discharge lamp
EP0491420A1 (de) *	1990-12-17	1992-06-24	Koninklijke Philips Electronics N.V.	Niederdruckquecksilberdampfentladungslampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 254 (E - 1083) 27 June 1991 (1991-06-27) *

Also Published As

Publication number	Publication date
ID21460A (id)	1999-06-17
DE69819669T2 (de)	2004-09-30
KR19990063033A (ko)	1999-07-26
JP3527851B2 (ja)	2004-05-17
CN1220481A (zh)	1999-06-23
CN1118084C (zh)	2003-08-13
EP0924745A2 (de)	1999-06-23
EP0924745B1 (de)	2003-11-12
JPH11238458A (ja)	1999-08-31
DE69819669D1 (de)	2003-12-18
TW582620U (en)	2004-04-01
KR100573608B1 (ko)	2006-11-30

Legal Events

Date	Code	Title	Description
1999-05-07	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
1999-05-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1999-06-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1999-06-23	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
1999-07-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
1999-07-14	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
1999-10-13	17P	Request for examination filed	Effective date: 19990811
2000-03-22	AKX	Designation fees paid	Free format text: DE FR GB NL
2002-10-23	17Q	First examination report despatched	Effective date: 20020905
2003-04-23	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2003-05-21	RTI1	Title (correction)	Free format text: FLUORESCENT LAMP
2003-09-19	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2003-09-26	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2003-11-12	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB NL
2003-11-12	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031112
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2004-09-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20040212
2004-11-03	26N	No opposition filed	Effective date: 20040813
2004-11-19	EN	Fr: translation not filed
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