Lighting device comprising support structure with improved thermal and optical properties
US11821591B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Apr 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device (1) is provided comprising a support structure (13, 13′), the support structure (13, 13′) comprising a first layer (13a, 13a′) comprising metal and a second layer (13b, 13b′) comprising metal; a central mounting face (18c) formed by a portion of the first layer (13a, 13a′) and by a portion of the second layer (13b, 13b′); and at least one lateral mounting face (18a, 18b) formed by a portion of one of the first layer (13a, 13a′) and the second layer (13b, 13b′); the lighting device (1) further comprising: at least one first light emitting element (11.1, 11.2, 11.3, 11.4, 11.5) arranged on the central mounting face (18c) in contact with the first layer (13a, 13a′) and in contact with the second layer (13b, 13b′); at least one second light emitting element (12a.1, 12a.2, 12a.3, 12a.4, 12a.5, 12b.1) arranged on the lateral mounting face (18a, 18b) in contact with the one of the first layer (13a, 13a′) and the second layer (13b, 13b′) forming the lateral mounting face (18a, 18b), and separated from the other one of the first layer (13a, 13a′) and the second layer (13b, 13b′).Furthermore, a method for manufacturing such lighting device (1) and an automotive headlight co…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.