Light source assembly with improved color uniformity

Light source assembly with improved color uniformity

A light source assembly comprising: a solid state lighting device; a wavelength converting element arranged to receive light emitted by the solid state lighting device and adapted to convert some of the received light to a different wavelength; and a scattering layer applied to a light emitting surf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STELTENPOOL, MARK, NIJKAMP, RICK GERHARDUS, CORNELISSEN, HUGO JOHAN, VAN LIEROP, MAARTEN, LIBON, SEBASTIEN PAUL RENE, BLOEMEN, PASCAL JEAN HENRI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A light source assembly comprising: a solid state lighting device; a wavelength converting element arranged to receive light emitted by the solid state lighting device and adapted to convert some of the received light to a different wavelength; and a scattering layer applied to a light emitting surface of the wavelength converting element. The scattering layer is adapted to scatter light back to the wavelength converting element, and a backscattering strength of the scattering layer varies over said light emitting surface so as to reduce variations in the color of the light emitted from the light emitting surface.