Patent ID: 9485822
Filing Date: 2016-11-01
CPC Classification: H05B,Y02B

Claim Text:
1. A lighting device comprising, as at least two lighting circuits, a first lighting circuit and a second lighting circuit that are configured to receive electric power from a single common power supply for providing power to first and second light sources, respectively, each including one or more solid-state light-emitting elements, the first lighting circuit being configured to cause the first light source to emit light, the second lighting circuit being configured to cause the second light source, which is different from the first light source, to emit light, each of the first and second lighting circuits including a switching power supply, the first lighting circuit further including: the second lighting circuit further including: the first and second voltages being set such that a difference between a forward voltage of the first light source and the first voltage agrees with a difference between a forward voltage of the second light source and the second voltage.