Tubular discharge lamp with ignition aid

Details Tubular discharge lamp with ignition aid Tubular discharge lamp with ignition aid

2005-11-01

2005-11-01

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S489000, C313S485000

Reexamination Certificate

active

06960874

ABSTRACT:
A dielectric barrier discharge lamp (1) having a tubular discharge vessel (2) and a luminescent material layer on at least a part of the inner wall of the discharge vessel (2) and having elongate electrodes (3) is provided with a coating (10) on a partial region of the inner wall at least at one end of the tubular discharge vessel (2), which coating additionally covers an end of at least one elongate electrode (3) . The material of the coating (10) has a high secondary electron emission coefficient. As a result, the ignition behavior of the lamp is improved, in particular during ignition in darkness.

REFERENCES:
patent: 5604410 (1997-02-01), Vollkommer et al.
patent: 6097155 (2000-08-01), Vollkommer et al.
patent: 6777878 (2004-08-01), Berlinghof et al.
patent: 2001/0033483 (2001-10-01), Moore
patent: 42 03 594 (1992-10-01), None
patent: 100 48 410 (2002-04-01), None
patent: 0 387 615 (1990-09-01), None

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