Lighting device
US11363697B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2021 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jan 12, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a plurality of lighting modules and a plurality of control devices. The lighting modules each includes a plurality of light emitting devices aligned in an array form or a staggered form. The control devices are configured to adjust light quantities of the light emitting devices of each of the lighting modules so that, when light is irradiated on a first target surface separated by a prescribed distance from the lighting modules, a sum of light quantities per unit area of a part for which light from the lighting modules overlaps in the first target surface is within ±20% with respect to a light quantity per unit area of a part for which light does not overlap in the first target surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.