Direction adjustable LED lamp used in a sign
US11608943B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2021 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Oct 25, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a direction adjustable LED lamp used in a sign, which includes a lamp body, two lamp holders arranged on an upper end and a lower end of the lamp body respectively, a plurality of LED modules installed on a surface of the lamp body, an outer casing installed in the lamp body, a buffer column installed on a surface of the outer casing, an isolated constant current driver installed in the outer casing, the lamp body defines a limit groove closing to the LED modules, and a horizontal plate is installed in the limit groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.