Integrated electronic device for controlling light emitting diodes
First Claim
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1. A driver device for driving an LED lighting device comprising:
- at least one substrate;
at least one power capacitor that provides LED driving current to drive the LED lighting device;
at least one power resistor, wherein the power capacitor and the power resistor are attached to the substrate and solderlessly connected to each other;
a rectifier for rectifying AC to DC;
a LED controller circuit for controlling the LED driving current, wherein the rectifier and the LED controller circuit are connected to the power resistor and the power capacitor, wherein;
the substrate includes;
a first substrate over which the rectifier, power resistor and LED controller circuit are positioned; and
a second substrate positioned over the first substrate to sandwich the rectifier, power resistor and LED controller circuit therebetween; and
the driver device includes discrete components attached over the second substrate with solder.
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Abstract
A compact driver device for driving an LED lighting device is provided. The driver device includes a substrate, power capacitor that provides LED driving current to drive the LED lighting device, and a power resistor. Advantageously, the power capacitor and the power resistor are attached to the substrate and are solderlessly connected to each other to provide a very compact driver device.
37 Citations
32 Claims
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1. A driver device for driving an LED lighting device comprising:
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at least one substrate; at least one power capacitor that provides LED driving current to drive the LED lighting device; at least one power resistor, wherein the power capacitor and the power resistor are attached to the substrate and solderlessly connected to each other; a rectifier for rectifying AC to DC; a LED controller circuit for controlling the LED driving current, wherein the rectifier and the LED controller circuit are connected to the power resistor and the power capacitor, wherein; the substrate includes; a first substrate over which the rectifier, power resistor and LED controller circuit are positioned; and a second substrate positioned over the first substrate to sandwich the rectifier, power resistor and LED controller circuit therebetween; and the driver device includes discrete components attached over the second substrate with solder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A driver device for driving an LED lighting device comprising:
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at least one substrate; a rectifier for rectifying AC to DC; at least one output power capacitor that receives the DC and provides LED driving current to drive the LED lighting device; a controller integrated circuit (IC) that controls the DC provided to the power capacitor; wherein the rectifier, power capacitor and controller IC are attached to the substrate and solderlessly connected to each other, wherein; the substrate includes; a first substrate over which the rectifier and controller IC are positioned; and a second substrate position over the first substrate to sandwich the rectifier and the controller circuit therebetween; and an adhesive is disposed between the first and second substrates to fix the two substrates together. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification