Light cylinder, dispenser, and light cylinder manufacturing method
US10725236B2 · kind B2 · utility
1Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2015 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Jul 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light cylinder, a dispenser, and a method of manufacturing a light cylinder are disclosed. The light cylinder includes an outer layer and an inside layer, where the inside layer is formed by filling optical resin into the inside space of the outer layer, and the refractive index of the optical resin is determined in consideration of the refractive index of the outer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.