Optical stacks for sparkle reduction
US10353214B2 · kind B2 · utility
2Cited by
11References
24Claims
0Family size
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Key dates
| Filing date | Jun 12, 2015 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Jun 12, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/1814
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional. The optical stacks are suitable for reducing sparkle in displays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.