US 2011/0210675 A1 · Light source module and lighting apparatus, and illumination apparatus using same

Abstract

A light source module includes a substrate unit for mounting multiple light emitting diodes thereon to electrically connecting them; first and second electrical connecting terminals for supplying a current to the light emitting diodes based on a voltage applied from outside the substrate unit; and a characteristic setting unit for presetting characteristic information corresponding to a electrical characteristic of the light emitting diodes. Further, the light source module includes a third electrical connecting terminal for outputting a setting signal based on the characteristic information preset in the characteristic setting unit, and the characteristic setting unit is connected at least between the third and first electrical connecting terminals or between the third and second electrical connecting terminals, and the characteristic setting unit responds to a set-up power inputted from the third electrical connecting terminal to generate the setting signal.

Claims9

Dependent claims

A light source module comprising:

a substrate unit for mounting multiple light emitting diodes thereon to electrically connecting them;
first and second electrical connecting terminals for supplying a current to the light emitting diodes based on a voltage applied from outside the substrate unit;
a characteristic setting unit for presetting characteristic information corresponding to a electrical characteristic of the light emitting diodes;
and
a third electrical connecting terminal for outputting a setting signal based on the characteristic information preset in the characteristic setting unit,
wherein the characteristic setting unit is connected at least between the third and first electrical connecting terminals or between the third and second electrical connecting terminals, and the characteristic setting unit responds to a set-up power inputted from the third electrical connecting terminal to generate the setting signal.

3 more elements

A light source module comprising:

a first light source unit including multiple light emitting diodes connected in series in the forward direction;
a second light source unit including multiple light emitting diodes connected in parallel, the anode of each light emitting diode being connected to the cathode of the head light emitting diode of the first light source unit;
a positive connecting terminal connected to the anode of the tail light emitting diode of the first light source unit;
a first negative connecting terminal connected to the cathode of at least one light emitting diode of the second light source unit;
a second negative connecting terminal connected to the cathode of at least one light emitting diode among the multiple light emitting diodes of the second light source unit which is not connected to the first negative connecting terminal;
and
a characteristic setting unit for setting information about electrical characteristics of the light emitting diodes of the first and the second light source units, the characteristic setting unit being connected between the first and second negative connecting terminals,
wherein a power is applied between the first positive connecting terminal and the first negative connecting terminal or the second negative connecting terminal by a lighting apparatus, a direct-current voltage is applied between the first and second negative connecting terminals from an outside power supply, and the characteristic setting unit includes a full-wave rectifier disposed the first and second negative connecting terminal and controls a voltage waveform inputted through the full-wave rectifier based on the information.

5 more elements

Dependencies are inferred from the claim text.

Light source module and lighting apparatus, and illumination apparatus using same

Life of this patent

Light source module and lighting apparatus, and illumination apparatus using same

Life of this patent

Abstract

Claims9