Head up display system
US12242054B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2020 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Dec 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0194
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A HUD system including a light source projecting p-polarized light towards a glazing, the glazing includes an outer sheet of glass having a first surface and a second surface, and an inner sheet of glass having a first surface and a second surface, and the second surface of the inner sheet of glass has a first coating, where both sheets are bonded by at least one sheet of interlayer material, and the first coating includes at least one high refractive index layer having a thickness from 50 to 100 nm, and at least one low refractive index layer having a thickness from 70 to 160 nm, and the least one high refractive index layer has at least one of an oxide of Zr, Nb, Sn; a mixed oxide of Ti, Zr, Nb, Si, Sb, Sn, Zn, In; a nitride of Si, Zr; or a mixed nitride of Si, Zr.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.