Head-up display
US10948776B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 30, 2020 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Mar 30, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/023
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A head-up display including a display element illuminated by a plurality of light emitting elements. A lenslet is between a TIR lens array and the display element. The lenslet includes a first side facing the display element and a second side facing the TIR lens array. At least one of the first side and the second side includes a plurality of horizontal lenses or a plurality of vertical lenses configured to evenly distribute light from the TIR lens array across an eyebox generated by the head-up display and balance luminous uniformity and luminous intensity across the eyebox.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.