Patent ID: 6255782
Filing Date: 2001-07-03
Classification: H05B,Y02B

Abstract:
A flat type fluorescent lamp, illuminating with no use of mercury therein, comprising:a sealed container being defined by a front substrate and a rear substrate which are hermetically bonded to each other, so as to enclose a rare gas as a discharge gas therein;edge electrodes being provided at both end portions on an outer surface of said sealed container;other edge electrodes being provided at both end portions on another outer surface of said sealed container, wherein the edge electrodes on the outer surface are connected to each other and the other edge electrodes on the another outer surface are connected to each other;a first inverter being connected between one of said edge electrode and a central electrode which is provided in a central portion of one of the outer surface and the another outer surface; anda second inverter being connected between the outer edge electrodes and said central electrode, wherein said first inverter and said second inverter provide rectangular waveform outputs, being same in frequency thereof and having phases different to each other, thereby illuminating the lamp.