USD614323SActiveUtility

LED light

Assignee: SPIRIT MERCHANDISE GROUP INCPriority: Dec 12, 2008Filed: Mar 25, 2009Granted: Apr 20, 2010
Est. expiryDec 12, 2028(~2.4 yrs left)· nominal 20-yr term from priority
H05B 45/325H05B 45/37Y02B20/30
83
PatentIndex Score
18
Cited by
9
References
1
Claims

Abstract

An LED replacement light for a fluorescent lighting fixture. The replacement light assembly includes a metal housing for heat dissipation and structural support. A standard plug for mating with the original lighting fixture connector is provided to allow direct replacement of an existing fluorescent light bulb. A control circuit having a power supply, a current controller, and a current sensor converts the fluorescent lamp power supply output to an output sufficient to drive the LEDs. The current controller generates a variable pulse width waveform for powering the LEDs, and a current sensor circuit regulates the flow of current through the LEDs. High-brightness LEDs are utilized and are spaced sufficiently apart to provide fewer point-sources of light while retaining overall equivalent luminance. A glare shield controls the light pattern emanating from the LEDs to direct the pattern illumination.

Claims

exact text as granted — not AI-modified
The ornamental design for a LED Light, as shown.

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