(19)
(11) EP 0 727 809 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.02.1997 Bulletin 1997/06

(43) Date of publication A2:
21.08.1996 Bulletin 1996/34

(21) Application number: 96102374.4

(22) Date of filing: 16.02.1996
(51) International Patent Classification (IPC)6: H01J 61/00, H01J 61/72
(84) Designated Contracting States:
BE DE FR GB IT NL SE

(30) Priority: 17.02.1995 US 38995

(71) Applicant: OSRAM SYLVANIA INC.
Danvers, MA 01923 (US)

(72) Inventor:
  • Shaffer, John W.
    Danvers, Massachusetts 01923 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Fluorescent lamp with end of life arc quenching structure


(57) A fluorescent lamp comprises a glass tube, an electrode at each end of the tube, a pair of lead wires extending through each sealed end of the tube and joined to one of the electrodes, and a deposit of metal hydride-containing paste disposed in the tube and having a decomposition temperature higher than temperatures within the tube during normal operation of the lamp.






Search report