Head-up display with local dimming
US11340496B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 26, 2020 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Jun 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A head-up display assembly including a printed circuit board with a plurality of light emitting elements. A display is illuminated by the plurality of light emitting elements. A biconic lens array is between the printed circuit board and the display. The biconic lens array includes a plurality of biconic lenses. Each one of the plurality of biconic lenses is aligned with a different one of the plurality of light emitting elements. Light emitted by the plurality of light emitting elements passes through the plurality of biconic lenses and illuminates the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.