Lighting device and control method
US10959303B2 · kind B2 · utility
0Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2017 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Jan 15, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device comprises an array of controllable light emitting pixels, each pixel having an adjustable light output colour. A controller is configured to receive a limited set of light output colours and to locally process these light output colours to form a colour gradient pattern to be displayed across pixels of the array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.