Light bulb apparatus with graphite cap
AssigneeXiamen Eco Lighting Co. Ltd.
InventorsLongwei Zhang, Liangliang Cao, Mingyan Fu, Xianghua Lin, Lilei Su
Life of this patent
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Abstract
A light bulb apparatus has a LED plate, a cap, a driver circuit and a graphite cup. The graphite cup has a platform part, a container part and a cap part. The platform part is attached to the LED plate. The container part is used for storing the driver circuit and the cap part is used for connecting to the cap so as to install the light bulb apparatus in a standard Edison socket. The graphite cup is molded with a mixed material. The mixed material includes graphite material and is non-conductive.
Claims15
A light bulb apparatus for being electrically connected to a power source, comprising:
- a LED plate mounted with a plurality of LED modules;
- a cap having a first electrode and a second electrode for connecting to the power source;
- a driver circuit connected to the first electrode and the second electrode for converting an external electrical power to a driving current for driving the LED modules on the LED plate to emit light;
- and
- a graphite cup having a platform part, a container part and a cap part, wherein the platform part is used for supporting the LED plate, the container part is used for containing the driver circuit, and the cap part is connected to the cap, and wherein the graphite cup is molded with a mixed material, the mixed material comprises graphite material, and the mixed material is non-conductive,
- wherein more than 20% weighting ratio of the mixed material is resin material, the resin material is selected from PA6, PC and PA66, the weighting ratio of the resin material is between 30% and 40%, the weighting ratio of the graphite material is less than 40% and larger than 10%.
Dependencies are inferred from the claim text.