Optical element and display device using the same
US10746986B2 · kind B2 · utility
1Cited by
2References
18Claims
0Family size
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Key dates
| Filing date | Apr 27, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical element including a first pattern is provided. The first pattern includes a plurality of light deflection regions arranged along at least one set of first tracks in a first direction, and each first track is a waveform track having a first period T1 and a first amplitude A1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.