Patent ID: 6762562
Filing Date: 2004-07-13
Classification: F21K,F21Y,H05B,Y02B,Y10S

Abstract:
A light emitting diode (LED) lamp for mounting to an existing fixture for a fluorescent lamp having a ballast assembly including ballast opposed electrical contacts, comprising:a tubular wall generally circular in cross-section having tubular wall ends, at least one LED positioned within said tubular wall between said tubular wall ends, electrical circuit means for providing electrical power from the ballast assembly to said at least one LED, means for electrically connecting said electrical circuit means with the ballast opposed electrical contacts, said electrical circuit means including an LED electrical circuit including at least one electrical string positioned within said tubular wall and generally extending between said tubular wall ends, said at least one LED being in electrical connection with said at least one electrical string, said at least one LED being positioned to emit light through said tubular wall, means for supporting and holding said at least one LED and said LED electrical circuit, said means for supporting and holding being positioned within said tubular wall between said tubular wall ends, and means for suppressing ballast voltage being delivered from the ballast assembly to an LED operating voltage within a voltage design capacity of said at least one LED, said means for suppressing ballast voltage being in electrical connection with said electrical circuit means.