Patent ID: 8779671
Filing Date: 2014-07-15
Classification: H05B,Y02B

Abstract:
1. An illumination device comprising: a first electrode; a second electrode; a light emission layer that is provided between the first electrode and the second electrode; a power source; a power switcher; a control circuit; and a plurality of power supply portions that is connected to the first electrode, wherein the control circuit controls the power switcher in such a way that, when a first power supply portion of the plurality of power supply portions is connected to the power source, a second power supply portion is not connected to the power source, and wherein the plurality of power supply portions includes the first power supply portion and the second power supply portion; the first power supply portion is provided along a first side of the first electrode; the second power supply portion is provided along a second side of the first electrode; and the first power supply portion and the second power supply portion get connected to the power source alternately.