LED FILAMENT

LED FILAMENT

A light emitting diode, LED, filament (100) arranged to emit LED filament light is provided. The LED filament comprises a LED filament (110), elongating along an axis, A, comprising array (s) (120) of a plurality of LEDs (130) arranged to emit LED light (140), and an encapsulant (150) enclosing the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: VAN BOMMEL, TIES
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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
SEMICONDUCTOR DEVICES
WEAPONS
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Beschreibung
Zusammenfassung:A light emitting diode, LED, filament (100) arranged to emit LED filament light is provided. The LED filament comprises a LED filament (110), elongating along an axis, A, comprising array (s) (120) of a plurality of LEDs (130) arranged to emit LED light (140), and an encapsulant (150) enclosing the array(s) of the LEDs, wherein the encapsulant comprises a light-transmissive material. The LED filament further comprises an elongated reflector (160) having a first reflectivity, R1, arranged to reflect the LED light, wherein the reflector, by partially enclosing a cross-section, CB, perpendicular to the axis, A, of the LED filament in a radial direction, R, partially encloses the encapsulant along the LED filament, whereby the reflector defines at least one opening (180) along the LED filament, wherein the encapsulant is not covered by the reflector along the at least one opening.