Method for producing HUD compatible windshields and universal wedge layer for a windshield
US11090911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2017 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Oct 6, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2300/205
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Method for producing a HUD compatible windshield comprising a HUD viewing field (13), said windshield comprising a wedge layer (15) made from a universal wedge layer (14), said universal wedge layer (14) comprising a portion (12) with a thickness profile having a monotonously changing wedge angle wherein said profile comprises a range of wedge angles encompassing wedge angle values adapted to different windshield models, said universal wedge layer (14) having dimensions different from the dimensions of said windshield, said method comprising the following step of: Adapting the dimensions of the universal wedge layer (14) to size said wedge layer (15), wherein said adapting is such that said wedge layer (15) the dimensions of said windshield and such that the wedge angle (W1, W2) at the centre (X1, X2) of the HUD viewing field is appropriate for compensating the double images occurring in reflection at outside and inside surfaces (8, 9) of the windshield at the centre (X1, X2) of said HUD viewing field (13).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.