Quantum dot light enhancement substrate and lighting device including same
US9276168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/774
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A component including a substrate, at least one layer including a color conversion material comprising quantum dots disposed over the substrate, and a layer comprising a conductive material (e.g., indium-tin-oxide) disposed over the at least one layer. (Embodiments of such component are also referred to herein as a QD light-enhancement substrate (QD-LES).) In certain preferred embodiments, the substrate is transparent to light, for example, visible light, ultraviolet light, and/or infrared radiation. In certain embodiments, the substrate is flexible. In certain embodiments, the substrate includes an outcoupling element (e.g., a microlens array). A film including a color conversion material comprising quantum dots and a conductive material is also provided. In certain embodiments, a component includes a film described herein. Lighting devices are also provided. In certain embodiments, a lighting device includes a film described herein. In certain embodiments, a lighting device includes a component described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.