FILAMENT FOR LIGHTING DEVICE

FILAMENT FOR LIGHTING DEVICE

The present invention relates to a filament (100) comprising a light transmissive tubular member (110), a light emitting assembly (106) arranged within the tubular member (110), a wavelength converter (112) arranged at a surface of the tubular member (110) and configured to convert light from a firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: WEEKAMP JOHANNES WILHELMUS
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
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
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
WEAPONS
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Beschreibung
Zusammenfassung:The present invention relates to a filament (100) comprising a light transmissive tubular member (110), a light emitting assembly (106) arranged within the tubular member (110), a wavelength converter (112) arranged at a surface of the tubular member (110) and configured to convert light from a first wavelength range to a second wavelength range. The light emitting assembly (106) comprises a plurality of solid state light sources (102) and interconnecting elements (104) being arranged in an alternating manner to form a string (106) of connected solid state light sources (102) and interconnecting elements (104). The interconnecting elements are portions of a lead frame (104) and at least a part of the plurality of solid state light sources (102) are arranged on opposite sides of the lead frame (104) in an alternating manner. The inventive filament (100) is simple, easy and cheap to manufacture, thus providing a good replacement and approximation for an incandescent wire.