Waveguide sheet containing in-coupling, propagation, and out-coupling regions
US8238703B2 · kind B2 · utility
7Cited by
166References
26Claims
0Family size
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Key dates
| Filing date | Mar 7, 2011 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0078
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.