Optical array and collimated light distribution
US6775460B2 · kind B2 · utility
74Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2003 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | May 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S385/901
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Collimated light distribution elements and systems that are especially suited to backlighting liquid crystal displays comprise a waveguide with clocked microstructured features for directing the exiting beam off-normal, a high efficiency mirror coating comprising both TIR and specularly reflective mirror elements, and a polarization recycling system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.