Patent ID: 8188680
Filing Date: 2012-05-29
Classification: H05B,Y02B

Abstract:
1. An illuminating device comprising: a constant-current power supply whose output current is configured to be variably set; one or more light emitting modules including paired main terminals that is configured to be connected to the constant-current power supply, one or more light sources connected between these paired main terminals, and is configured to be attached to and removed from the constant-current power supply; an information output unit that is provided in each light emitting module and that includes an information output terminal that outputs connection information of each light emitting module from the information output terminal; and a control unit that recognizes the connection information outputted from the information output unit of each light emitting module connected to the constant-current power supply via the information output terminal and varies the output current of the constant-current power supply based on the connection information.