LED light bulb with structural support
First Claim
Patent Images
1. A light emitting diode (LED) light bulb, comprising:
- a base;
at least one support structure coupled to the base and formed into a shape that defines contours for a luminous surface and an open volume;
at least one LED assembly comprising two or more electrically connected LEDs, the LED assembly attached to and in physical contact with the support structure along a length of the support structure to form the luminous surface, wherein the support structure has openings between neighboring segments of the LED assembly; and
a coating disposed over at least a portion of the LED assembly, the coating having a surface that is exposed to ambient air, the coating surface having a surface texture that provides a surface area at least three times greater than an untextured surface of the same size, wherein a light output per surface area of the LED light bulb is between about 0.3 lumens and 30 lumens per cm2 of an exterior surface area of the LED light bulb.
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Abstract
A light emitting diode (LED) light bulb includes a base and at least one support structure coupled to the base. The support structure is formed into a shape that defines contours for a luminous surface and an open volume. The LED light bulb includes least one LED assembly comprising two or more electrically connected LEDs. The LED assembly is attached to and in physical contact with the support structure along a length of the support structure to form the luminous surface. The support structure has openings between neighboring segments of the LED assembly.
23 Citations
19 Claims
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1. A light emitting diode (LED) light bulb, comprising:
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a base; at least one support structure coupled to the base and formed into a shape that defines contours for a luminous surface and an open volume; at least one LED assembly comprising two or more electrically connected LEDs, the LED assembly attached to and in physical contact with the support structure along a length of the support structure to form the luminous surface, wherein the support structure has openings between neighboring segments of the LED assembly; and a coating disposed over at least a portion of the LED assembly, the coating having a surface that is exposed to ambient air, the coating surface having a surface texture that provides a surface area at least three times greater than an untextured surface of the same size, wherein a light output per surface area of the LED light bulb is between about 0.3 lumens and 30 lumens per cm2 of an exterior surface area of the LED light bulb. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A light emitting diode (LED) light bulb, comprising:
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a base; at least one support structure coupled to the base and formed into a shape that defines contours for a luminous surface and an open volume; at least one LED assembly comprising two or more electrically connected LEDs, the LED assembly attached to and in physical contact with the support structure along a length of the support structure to form the luminous surface, wherein the support structure has openings between neighboring segments of the LED assembly, wherein at least one major surface of the support structure has a surface texture that provides a surface area at least three times greater than an untextured surface of the same size.
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13. A method of making a light emitting diode (LED) light bulb, comprising:
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forming a support structure into a predetermined shape, the predetermined shape defining contours of a luminous surface and an open volume; attaching at least one LED assembly to the support structure, the LED assembly comprising a substrate and a plurality of electrically connected LEDs spaced apart along the substrate; applying a coating to a surface of one or both of the support structure and the LED assembly; and treating a surface of one or both of the coating and the support structure, the treatment imparting a texture to the surface that provides a surface area at least three times greater than an untreated surface of the same size, wherein a light output per surface area of the LED light bulb is between about 0.3 lumens and 30 lumens per cm2 of an exterior surface area of the LED light bulb. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification