DEVICES AND SYSTEMS HAVING AC LED CIRCUITS AND METHODS OF DRIVING THE SAME
First Claim
Patent Images
1. A lighting device comprising:
- at least one circuit capable of emitting light when powered by an AC power source, the at least one circuit havingat least two LEDs connected in a series, a parallel, or an anti-parallel configuration, andat least one current limiting diode connected in series or parallel with at least one of the at least two LEDs.
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Abstract
A lighting device and system having at least one circuit, the circuit having at least two LEDs connected in series, parallel or anti-parallel configuration and at least one current limiting diode. The device or system may be driven with AC or DC power and may further include a sensor and polarity switching circuit to utilize all LEDs within the circuit when drive by DC power.
36 Citations
56 Claims
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1. A lighting device comprising:
at least one circuit capable of emitting light when powered by an AC power source, the at least one circuit having at least two LEDs connected in a series, a parallel, or an anti-parallel configuration, and at least one current limiting diode connected in series or parallel with at least one of the at least two LEDs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23-42. -42. (canceled)
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43. An LED circuit comprising:
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at least two LEDs electrically connected and configured so that at least one LED is capable of emitting light during a positive phase if AC power is connected and at least one LED within the circuit is capable of emitting light during a negative phase if AC power is connected; and
,at least one current limiting diode connected in series or parallel with at least one of the at least two LEDs. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56-59. -59. (canceled)
Specification