LED FILAMENT WITH ELEVATED PHOSPHOR LAYER FOR FLAME APPEARANCE

A LED filament (2,20) configured to provide LED filament light. The LED filament comprising an elongated carrier (7) extending in a lengthwise direction, said elongated carrier comprising a first major surface (7a). The LED filament further comprises a plurality of LEDs (8) arranged on said first ma...

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Bibliographische Detailangaben
1. Verfasser:	VAN BOMMEL, TIES
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE WEAPONS
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Beschreibung
Zusammenfassung:	A LED filament (2,20) configured to provide LED filament light. The LED filament comprising an elongated carrier (7) extending in a lengthwise direction, said elongated carrier comprising a first major surface (7a). The LED filament further comprises a plurality of LEDs (8) arranged on said first major surface and configured to emit LED light, a first layer (9) free from a luminescent material encapsulating or covering said plurality of LEDs and at least partly encapsulating or covering said first major surface, said first elongated translucent layer having a width, W1, transverse to said lengthwise direction, and a second layer (10) comprising a luminescent material configured to partly convert said LED light, the second layer is arranged on an outer surface (9a) of said first layer, such that the second layer is contained within the width, W1, of the first layer.