Invention Grant
US09243778B2 Wavelength conversion element, light emitting device including wavelength conversion element, and vehicle including light emitting device 有权
波长转换元件,包括波长转换元件的发光器件和包括发光器件的车辆

Wavelength conversion element, light emitting device including wavelength conversion element, and vehicle including light emitting device
Abstract:
A wavelength conversion element includes a phosphor layer including phosphor particles configured to be excited by light from a light source and a matrix located among the phosphor particles; and a column-shaped structural body including at least two kinds of column-shaped bodies periodically arranged and in contact with the phosphor layer. The column-shaped bodies have different heights and/or different thicknesses. The column-shaped structural body is a photonic crystal.
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