Patent ID: 6507153
Filing Date: 2003-01-14
Classification: G02B,H01J

Abstract:
A gas discharge lamp (1)with a bulb (2) which comprises an ellipsoidal discharge chamber (5) in a central position, which chamber has a surface area with a maximum value of less than 2.5 cm2, with two electrodes (3, 4) extending into the discharge chamber (5) and having an electrode interspacing Ea of 1.5 mm to 3.0 mm inside the discharge chamber (5), with a filling in the discharge chamber (5) which is in a gas discharge state during operation of the lamp (1) and which has a filling density of 80 to 90 mg/cm3, with at least a mercury component in the filling which determines the filling density, and with an operating voltage between the electrodes (3, 4) in the discharge chamber (5) of 80 to 90 V during operation of the lamp (1).