LIGHTING DEVICE
A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device. The optical exciter includes at least one of a yellow fluorescent material, a...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device. The optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material. The optical exciter moves over the light emitting device. A color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter. |
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