Cathode screen adapted to a compact fluorescent lamp

Details Cathode screen adapted to a compact fluorescent lamp Cathode screen adapted to a compact fluorescent lamp

2011-06-21

2011-06-21

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

C313S238000, C313S239000, C313S240000, C313S242000, C313S271000

Reexamination Certificate

active

07965038

ABSTRACT:
Compact fluorescent lamp comprising a fluorescent lamp body (3), a cathode space (9) comprising a screened space (11) around an electrode (5) arranged inside the compact fluorescent lamp (1), and a power supply device (19) so arranged as to provide an electrical connection between the electrode (5) and a contact device (21) positioned next to the contact end (13) of the compact fluorescent lamp. The screened space (11) is formed by the electrode (5) enclosing the internal wall (7) of the fluorescent lamp body (3) and by a neighboring electrode (5) and beyond it a disc-shaped cathode screen (15) in a direction away from the contact end (13) containing a central opening (17).

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