AC light emitting diode and AC LED drive methods and apparatus

Details AC light emitting diode and AC LED drive methods and apparatus AC light emitting diode and AC LED drive methods and apparatus

2005-02-25

2009-02-10

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Plural series connected load devices

Christmas lights

C315S187000, C315S192000, C315S210000

Reexamination Certificate

active

07489086

ABSTRACT:
An AC LED package and circuits are disclosed along with an AC LED driver. The AC LED circuit may include as few as one LED or an array of anti-parallel LEDs driven with AC power sources and AC LED drivers at various voltages and frequencies. The AC LEDs are pre-packaged in various forms and materials and designed for mains or high frequency coupling in various forms to AC power sources, inverter type drivers or packages. The AC LED driver is a fixed frequency driver that provides a relatively constant voltage output to different size loads within the wattage limitation of the driver and in some cases is a direct mains power source.

REFERENCES:
patent: 3869641 (1975-03-01), Goldberg
patent: 4218627 (1980-08-01), Kiesel
patent: 4298869 (1981-11-01), Okuno
patent: 5699218 (1997-12-01), Kadah
patent: 5790013 (1998-08-01), Hauck
patent: 2003/0122502 (2003-07-01), Clauberg et al.
patent: 2006/0038542 (2006-02-01), Park et al.
patent: 1215944 (2002-06-01), None
patent: 11330561 (1999-11-01), None

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