Light-emitting device
This invention provides a light-emitting device that has excellent color rendering properties and is capable of well controlling the color temperature of white light. The light-emitting device includes various kinds of LED elements capable of emitting ultraviolet light with different wavelengths or...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | This invention provides a light-emitting device that has excellent color rendering properties and is capable of well controlling the color temperature of white light. The light-emitting device includes various kinds of LED elements capable of emitting ultraviolet light with different wavelengths or short wavelength visible light, a single wavelength conversion member containing fluorescent substance and being capable of converting the ultraviolet light or short wavelength visible light emitted from the various kinds of LED elements and taking out white light, and an electric current control section that can change the value of the electric current supplied to the various kinds of LED elements. |
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