LED tube lamp
US9945520B2 · kind B2 · utility
5Cited by
25References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2017 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Apr 10, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED tube lamp includes a glass tube, a plurality of LED light sources, two end caps respectively sleeving two end portions of the glass tube, a power supply in one of the end caps or separately in both of the end caps, and an LED light strip in the glass tube. The plurality of LED light sources is on the LED light strip. Each of the end caps comprises a plurality of openings formed thereon. The plurality of openings dissipating heat resulted from the power supply are divided into two sets. The two sets of the plurality of openings are symmetric to each other with respect to a virtual central axis of the end cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.