Starting flag structure for tubular low pressure discharge lamps

Details Starting flag structure for tubular low pressure discharge lamps Starting flag structure for tubular low pressure discharge lamps

1996-09-26

1998-02-10

O'Shea, Sandra L.

Electric lamp and discharge devices

Having valve with getter, gas/vapor generating material or...

313490, 313493, H01J 162, H01J 6304, H01J 1722, H01J 1970

Patent

active

057172900

ABSTRACT:
An electric lamp includes a tubular lamp envelope enclosing mercury vapor and a buffer gas, and a flag assembly located within the lamp envelope. The lamp envelope has a pair of dimples on an inside surface thereof. The flag assembly includes a support wire having opposite ends secured to the dimples and a starting flag attached to the support wire. The starting flag includes a mercury-absorbing material. The lamp envelope may be a closed loop electrodeless lamp envelope or a conventional electroded fluorescent lamp envelope.

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