Illumination articles
US9823402B2 · kind B2 · utility
0Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2013 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Feb 16, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Illumination articles are described. More specifically, illumination articles that include a wearable device configured for wearing on the head of a wearer, a lightguide and light sources for emitting light into the lightguide are described. The illumination articles allow for wearable devices that uniformly illuminate a working area at high brightness without providing excessive glare to observers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.