LED bulb
First Claim
Patent Images
1. An LED bulb comprising:
- a connector for being electrically connected to a power supply;
a heat sink disposed on the connector, the heat sink comprising a base, a tube extending downwardly from a first face of the base to engage with the connector, and a plurality of fins extending outwardly from an outer circumference of the tube; and
a plurality of LEDs mounted a second face of the base;
wherein the base defines a plurality of through tunnels extending through the base from the first face to the second face of the base;
wherein the fins are spaced from each other, and an airflow passage is defined between every two adjacent fins; and
wherein each of the through tunnels is aligned with and directly communicated with a corresponding passage.
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Abstract
An LED bulb includes a connector for electrically connecting with a power supply, a heat sink disposed on the connector, and a plurality of LEDs mounted the heat sink. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The LEDs are attached on a second face of the base. The base defines a plurality of through tunnels extending through the base from the first face to the second face of the base.
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Citations
14 Claims
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1. An LED bulb comprising:
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a connector for being electrically connected to a power supply; a heat sink disposed on the connector, the heat sink comprising a base, a tube extending downwardly from a first face of the base to engage with the connector, and a plurality of fins extending outwardly from an outer circumference of the tube; and a plurality of LEDs mounted a second face of the base; wherein the base defines a plurality of through tunnels extending through the base from the first face to the second face of the base; wherein the fins are spaced from each other, and an airflow passage is defined between every two adjacent fins; and wherein each of the through tunnels is aligned with and directly communicated with a corresponding passage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification