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US 2013/0094199 A1Published application
Double heat sink led tube
AssigneeUniled Lighting Taiwan Inc.
InventorsMing-Te LIN, Ming-Yao LIN, Heng QIU
Life of this patent
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Abstract
A LED tube having double heat sinks is disclosed. One of the embodiment shows a first plurality of light unit is fixed onto the top heat sink, and a second plurality of light unit is fixed onto the bottom heat sink, while with the light chips configured in between the two heat sinks for light emission to the ambient.
Claims18
A double heat sink LED tube, comprising:
- a first light unit, having a first lead;
- a first light chip, configured on a bottom of the first lead;
- a top heat sink, contacting a top portion of the first lead;
- a second light unit, having a second lead;
- a second light chip, configured on a top of the second lead;
- and
- a bottom heat sink, contacting a bottom portion of the second lead.
4 more elements
A double heat sink LED tube, comprising:
- a first light unit, having a first top lead and a first bottom lead;
- a first light chip, straddling the first top lead and the first bottom lead;
- a top heat sink, contacting a top portion of the first top lead;
- a second light unit, having a second top lead and a second bottom lead;
- a second light chip, straddling the second top lead and the second bottom lead;
- a bottom heat sink, contacting a bottom portion of the second bottom lead.
3 more elements
A double heat sink LED tube, comprising:
- a top lead, having a top end, a bottom end, and a left downward branch;
- a bottom lead, having a top end aligned with the downward branch;
- having an upward branch, aligned with a bottom end of a neighboring top lead;
- a first light chip, straddling a bottom end of the downward branch and the top of the bottom lead;
- and
- a second light chip, straddling the bottom end of a neighboring top lead and a top end of the upward branch.
3 more elements
Dependencies are inferred from the claim text.