Bi-directional LED-based light

Details Bi-directional LED-based light Bi-directional LED-based light

2006-05-30

2006-05-30

Lee, Wilson (Department: 2821)

Electric lamp and discharge devices: systems

Plural series connected load devices

Christmas lights

C315S18500S, C362S800000

Reexamination Certificate

active

07053560

ABSTRACT:
At least one pair of LEDs, preferably of the super-luminescent type, are connected in parallel but with reverse polarity in series with at least one resistor and driven by a voltage source, which may deliver unrectified alternating current. An array of m series-connected LED pairs may be included in n parallel paths. The printed circuit board in which the LED pair(s) is mounted is adapted to fit into after-market fittings originally intended to receive incandescent light bulbs. In some embodiments, contacts are formed in the edges of lateral protrusions in the PCB.

REFERENCES:
patent: 4939426 (1990-07-01), Menard et al.
patent: 5749646 (1998-05-01), Brittell
patent: 6069452 (2000-05-01), Rossner
patent: 6191541 (2001-02-01), Patel et al.
patent: 6288497 (2001-09-01), Chang et al.
patent: 6411045 (2002-06-01), Nerone

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