Tube-shaped LED lighting device
US10935192B2 · kind B2 · utility
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0References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Mar 21, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tube-shaped LED lighting device including: a substrate; a light emitting device mounted on the substrate; a heat sink having one surface on which the substrate is seated, and opposite side surfaces including a groove portion; a cover to receive the heat sink, the substrate, and the light emitting device therein, and including an overhang protruding from an inner wall of the cover to be inserted into the groove portion; and a base coupled to an end of the cover, in which the heat sink includes a substrate holding portion surrounding opposite sides of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.