Quantum dot films, lighting devices, and lighting methods
US9199842B2 · kind B2 · utility
51Cited by
52References
84Claims
0Family size
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Key dates
| Filing date | Nov 2, 2011 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Jan 5, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Light-emitting quantum dot films, quantum dot lighting devices, and quantum dot-based backlight units are provided. Related compositions, components, and methods are also described. Improved quantum dot encapsulation and matrix materials are provided. Quantum dot films with protective barriers are described. High-efficiency, high brightness, and high-color purity quantum dot-based lighting devices are also included, as well as methods for improving efficiency and optical characteristics in quantum dot-based lighting devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.