Sealed edge lens for near eye display
US11215826B2 · kind B2 · utility
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24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2016 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jul 25, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a lens for a wearable projection system. The lens includes a holographic optical element disposed between layers of the lens. Joints between the holographic optical element and the lens layers on an edge of the lens are covered with a sealant to protect the holographic optical element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.