Light emitting device having photonic crystal structure
US9190576B2 · kind B2 · utility
4Cited by
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11Claims
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Key dates
| Filing date | Nov 29, 2010 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Dec 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/872
Abstract
A light emitting device comprising a photonic crystal structure having a crystal structure in which nanospheres are densely arranged in a 3D manner, wherein the nanospheres have phosphors excited by an excitation source to emit light of a wavelength longer than a pump photon of the excitation source, wherein the photonic crystal structure has at least a photonic bandgap (PBG) along a specific crystal orientation, and wherein the wavelength of the pump photon overlaps a photonic bandedge region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.