Patent ID: 8841856

Claim:
A circuit serving as a light source, the circuit comprising: a first set of light-emitting diodes (LEDs); and a second set of LEDs that is connected in series to the first set of LEDs, wherein the first set of LEDs comprises: a first group of LEDs; a second group of LEDs connected in anti-parallel with the first group of LEDs, wherein each of the first group of LEDs and the second group of LEDs comprises at least one LED; and a first capacitor connected in parallel with the first group of LEDs and the second group of LEDs, and wherein the second set of LEDs comprises: a third group of LEDs; a fourth group of LEDs connected in anti-parallel with the third group of LEDs, wherein each of the third group of LEDs and the fourth group of LEDs comprises at least one LED; and a second capacitor connected in parallel with the third group of LEDs and the fourth group of LEDs.