Wide dispersion source multiple path light direction system
US10473842B2 · kind B2 · utility
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4References
2Claims
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Assignee
Inventor
Key dates
| Filing date | Oct 4, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Oct 4, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting system uses optics to redirect stray light from unlensed LEDs toward a desired region while avoiding hot spots. The optics involve essentially planar surfaces with both reflective and light transmissive characteristics. The lighting system may be used in display cases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.