Heat removal design for LED bulbs
First Claim
Patent Images
1. A light emitting diode (LED) bulb comprising:
- a shell, wherein the shell is bulb-shaped and is transparent or contains materials to disperse light;
a thermally conductive liquid within and in contact with the interior of the shell;
a plurality of LEDs immersed within and in contact with the thermally conductive liquid, wherein the thermally conductive liquid and the shell are the only means to transfer heat generated by the plurality of LEDs;
a base, wherein the base has a base pin and wherein the base is configured to be received within an electrical socket; and
a support extending into the shell, wherein the plurality of LEDs is connected to the support, and wherein each of the plurality of LEDs is positioned facing a different radial direction.
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Abstract
An LED bulb having bulb-shaped shell and thermally conductive fluid or gel within the shell. The bulb includes at least one LED within the shell. The bulb includes at least one LED within the shell and a base. The base can be configured to fit within an electrical socket and can include a series of screw threads and a base pin, wherein the screw threads and base pin are dimensioned to be received within a standard electrical socket. Alternatively, the base can be configured to fit within a suitable electric socket.
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Citations
18 Claims
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1. A light emitting diode (LED) bulb comprising:
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a shell, wherein the shell is bulb-shaped and is transparent or contains materials to disperse light; a thermally conductive liquid within and in contact with the interior of the shell; a plurality of LEDs immersed within and in contact with the thermally conductive liquid, wherein the thermally conductive liquid and the shell are the only means to transfer heat generated by the plurality of LEDs; a base, wherein the base has a base pin and wherein the base is configured to be received within an electrical socket; and a support extending into the shell, wherein the plurality of LEDs is connected to the support, and wherein each of the plurality of LEDs is positioned facing a different radial direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 18)
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11. A method of manufacturing a light emitting diode (LED) bulb comprising:
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creating a shell, wherein the shell is bulb-shaped and is transparent or contains materials to disperse light; at least partially filling the interior of the shell with a thermally conductive liquid, wherein the thermally conductive liquid is in contact with the shell; installing a plurality of LEDs on a support, wherein the plurality of LEDs each face in a different radial direction; inserting the support with the LEDs within the shell; and electrically connecting the plurality of LEDs to a base having a base pin; wherein the plurality of LEDs is immersed within and in contact with the thermally conductive liquid, wherein the thermally conductive liquid and the shell are the only means to transfer heat generated by the plurality of LEDs. - View Dependent Claims (12, 13, 14, 15, 17)
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Specification