Illumination systems with sloped transmission spectrum front reflector
US10162218B2 · kind B2 · utility
1Cited by
18References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2016 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Dec 17, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0031
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight includes a front and back reflector forming a light recycling cavity and one or more light source members disposed to emit light into the light recycling cavity. The front reflector being partially reflective to provide an output illumination area. The front reflector has a blue sloped transmission spectra, at normal incidence with a range among bin values from 15% to 100%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.