Heat-dissipating light-emitting device and method for its assembly
First Claim
Patent Images
1. A heat-dissipating light-emitting device, the device comprising:
- a light-emitting element having a light-emitting surface and a non-light-emitting surface;
a thermally conducting base plate having a first surface against which the light-emitting element is placed, a second surface, and a perimeter surface, the thermally conducting base plate electrically isolated from the light-emitting element, the thermally conducting base plate in physical contact with a heat sink, the heat sink further comprising a housing having an open end, such that the light-emitting device fits snugly in the housing with the light-emitting surface facing the open end; and
a driver circuit element having a base surface in contact with the second surface of the base plate, and an opposite surface, the driver circuit element electrically coupled to the light-emitting element, the driver circuit electrically isolated from the base plate.
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Abstract
Disclosed is a heat-dissipating light-emitting device, including a light-emitting element, a heat-conducting base plate in physical contact with a heat sink, and a driver circuit. The driver circuit and light-emitting element are electrically coupled to each other and electrically isolated from the base plate. The light-emitting device and heat sink may be included in a light fixture. Also disclosed is a method for assembling the light-emitting device.
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Citations
16 Claims
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1. A heat-dissipating light-emitting device, the device comprising:
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a light-emitting element having a light-emitting surface and a non-light-emitting surface; a thermally conducting base plate having a first surface against which the light-emitting element is placed, a second surface, and a perimeter surface, the thermally conducting base plate electrically isolated from the light-emitting element, the thermally conducting base plate in physical contact with a heat sink, the heat sink further comprising a housing having an open end, such that the light-emitting device fits snugly in the housing with the light-emitting surface facing the open end; and a driver circuit element having a base surface in contact with the second surface of the base plate, and an opposite surface, the driver circuit element electrically coupled to the light-emitting element, the driver circuit electrically isolated from the base plate. - View Dependent Claims (2, 3, 4, 5, 6, 15)
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7. A heat-dissipating light-emitting device, the device comprising:
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a light-emitting element having a light-emitting surface and a non-light-emitting surface; a thermally conducting base plate having a first surface against which the light-emitting element is placed, a second surface, and a perimeter surface, the thermally conducting base plate electrically isolated from the light-emitting element, the thermally conducting base plate in physical contact with a heat sink; and a driver circuit element having a base surface in contact with the second surface of the base plate, and an opposite surface, the driver circuit element electrically coupled to the light-emitting element by a plurality of conducting clips that connect contact points in the light-emitting element to contact points in the driving circuit, the driver circuit electrically isolated from the base plate. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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16. A method for assembling a heat-dissipating, light-emitting device, the device comprising a light-emitting element having a light-emitting surface and a non-light-emitting surface, a thermally conducting base plate having a first surface against which the light-emitting element is placed, a second surface, and a perimeter surface, the thermally conducting base plate electrically isolated from the light-emitting element, the thermally conducting base plate in physical contact with a heat sink, and a driver circuit element having a base surface in contact with the second surface of the base plate, and an opposite surface, the driver circuit element electrically coupled to the light-emitting element, the driver circuit electrically isolated from the base plate, the method comprising:
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providing a light-emitting element having a light-emitting surface and a non-light-emitting surface, a heat-conducting base plate having a first surface, a second surface, and a perimeter surface, and a driver circuit element having a base surface and an opposite surface, and a heat sink; placing the non-light-emitting side of the light-emitting element in physical contact with the first side of the base plate so that the light emitting element is electrically isolated from the base plate; placing the base side of the driver circuit element in contact with the second side of the base plate so that the driver circuit element is electrically isolated from the base plate; electrically coupling the light-emitting element to the driver circuit elements while keeping the light-emitting element and the driver circuit element electrically isolated from the base plate; and placing the thermally conducting base plate in contact with the heat sink.
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Specification