Stationary ion cold cathode fluorescent lighting system

Details Stationary ion cold cathode fluorescent lighting system Stationary ion cold cathode fluorescent lighting system

2006-08-29

2006-08-29

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

C313S492000, C313S306000

Reexamination Certificate

active

07098593

ABSTRACT:
The present invention relates to a stationary ion cold cathode fluorescent lighting system comprising a cold cathode fluorescent lamp with a radial D. C. electric field established therein so as to sufficiently energize electrons ionized therein through a process of chain collision and reduce the radial velocity of mercury ions (Hg+2) and argon ions (Ar+2) ionized therein to a virtual zero when touching a phosphor layer on the inside surface of the lamp, preventing the phosphors from being bombarded by the ions and forming an amorphous layer thereon, and preventing mercury from embedding in the phosphor layer, and with an axial anti-equivalent D. C. electric field established between electrodes of the lamp so as to prevent mercury from accumulating on the electrodes and to maximize the life of the phosphor layer as well as the lamp.

REFERENCES:
patent: 6135620 (2000-10-01), Marsh
patent: 2003/0151350 (2003-08-01), Xu
patent: 2005/0184667 (2005-08-01), Sturman et al.

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