Patent ID: 6577066
Filing Date: 2003-06-10
Classification: H01J,H05B,Y02B,Y10S

Abstract:
A self-ballasted fluorescent lamp, comprising a fluorescent lamp and a ballast circuit for operating the fluorescent lamp, wherein the ballast circuit includes:a printed circuit board; a heat generating component disposed on a first face of the printed circuit board, which generates heat when the fluorescent lamp is operated; and a semiconductor component disposed on a second face opposite to the first face of the printed circuit board, and wherein the semiconductor component is disposed in an area other than an area on the second face corresponding to an area of the first face where the heat generating component is disposed, wherein the semiconductor component is an inverter driving IC included in an inverter circuit for operating the fluorescent lamp; and wherein the inverter circuit further includes a first switching element driven by the inverter driving IC and a second switching element driven by the inverter driving IC, the inverter driving IC being disposed positionally away from the first and second switching elements.