Air-cooled LED lamp bulb
AssigneeUniled Lighting Tw., Inc.
InventorsMing-Te Lin, Ming-Yao Lin, Heng Qiu
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Abstract
An air-cooled lamp bulb includes a central tube, a circuit board disposed inside the central tube, a circular light wall surrounding the central tube, a transparent dome surrounding a top end of the circular light wall and having a top central opening, and a first air passage formed between the central tube and the circular light wall. The circular light wall is formed by a plurality of light units arranged side by side. Each of the light units has a light source mounted adjacent a top end of the central tube. The transparent dome is arranged for modifying light emitted by the light sources. The first air passage allows air flow through the air-cooled lamp bulb.
Claims15
An air-cooled lamp bulb, comprising:
- a central tube;
- a circuit board disposed inside the central tube;
- a circular light wall formed by a plurality of light units arranged side by side and surrounding the central tube, each of the light units having a light source mounted adjacent a top end of the central tube;
- a transparent dome surrounding a top end of the circular light wall for modifying light emitted by the light sources, the transparent dome including a top central opening;
- and
- a first air passage formed between the central tube and the circular light wall for allowing air flow through the air-cooled lamp bulb.
Dependencies are inferred from the claim text.