Head-up display system, active light-emitting image source, head-up display and motor vehicle
US12298536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Sep 7, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L25/0753
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A head-up display system, an active light-emitting image source, a head-up display and a motor vehicle. The head-up display system includes a plurality of light sources arranged according to a predetermined rule; a micro-lens array including a plurality of micro-lenses, wherein each micro-lens corresponds to one or more light sources and adjusts directions of chief light of light emitted by the one or more light sources corresponding thereto, and the micro-lens array converges chief light of light emitted by the plurality of light sources so that chief light of light after being exited from the micro-lens array is directed to a predetermined range; and a reflector device for displaying at a side, away from the light sources, of the micro-lens array, and configured to emit light to an observation region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.