LED light bulb
AssigneeXiamen Eco Lighting Co. Ltd.
InventorsHongkui Jiang, Yanzeng Gao
Life of this patent
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Abstract
The lighting device includes at least one filament module, a base, at least one pillar, and a base. The filament module includes more than two filaments. Each filament includes a substrate, multiple LED chips, a phosphor film, a top extended electrode, and a bottom extended electrode. Multiple LED chips are mounted on the substrate. The phosphor film covers the substrate and multiple LED chips. The top extended electrode and bottom extended electrode are connected to two ends of the substrate respectively. At least part of top extended electrode and bottom extended electrode are not covered by the phosphor film, and each top extended electrode of the filaments is fixed together.
Claims16
A LED light bulb, comprising:
- multiple filaments, wherein each filament comprises a substrate, multiple LED chips, a phosphor film on two sides of the substrate, a top extended electrode, and a bottom extended electrode, multiple LED chips are mounted on the substrate, the phosphor film covers the substrate and multiple LED chips, the top extended electrode and the bottom extended electrode are connected to two ends of the substrate respectively, at least part of the top extended electrode and the bottom extended electrode are not covered by the phosphor film, and each top extended electrode of the filaments is fixed together;
- a base;
- at least one pillar, wherein the bottom of the pillar is connected to the base, multiple top extended electrodes of the multiple filaments hang on the top of the pillar;
- and
- a base, wherein the base contains the driver circuit, the base is used to connect to the power, wherein the top of the pillar is used to support the multiple filaments.
Dependencies are inferred from the claim text.