Low profile flexible cable lighting assemblies and methods...

F - Mech Eng,Light,Heat,Weapons – 21 – S

Patent

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Details

F21S 4/00 (2006.01) F21V 29/00 (2006.01)

Patent

CA 2710110

A cable lighting assembly (10) comprising a flexible electrical cable (14,47) and an LED (43). The electrical insulation of the electrical cable has a portion that is removed to expose at least one surface mounting area on the surface of an electrical conductor (45) of the flexible electrical cable (47). Two lengths of the electrical conductor (59,61) are electrically isolated so as to form at least two electrically isolated surface mounting areas that are electrically isolated from each other. The LED (43) is surface mounted to the electrical conductor (45). A solder joint (67) is formed between the anode lead (55) of the light emitting diode and one of the electrically isolated surface mounting areas (61). Another solder joint (69) is formed between the cathode lead (57) of the light emitting diode and the other electrically isolated surface mounting area (59). The 15 LED (43) and at least a length of the flexible electrical cable (47) on which the LED is surface mounted are encapsulated by a polymeric molding material (49).

L'invention concerne un ensemble éclairage à câble (10) qui comporte un câble électrique souple (14, 47) et une diode électroluminescente (DEL) (43). L'isolant électrique du câble électrique présente une partie qui est éliminée pour exposer au moins une zone de montage en surface sur la surface d'un conducteur électrique (45) du câble électrique souple (47). Deux longueurs du conducteur électrique (59, 61) sont isolées électriquement de manière à former au moins deux zones de montage en surface électriquement isolées qui sont électriquement isolées l'une de l'autre. La DEL (43) est montée en surface sur le conducteur électrique (45). Une brasure tendre (67) est formée entre le conducteur d'anode (55) de la diode émettrice de lumière et l'une des zones de montage en surface électriquement isolées (61). Une autre brasure tendre (69) est formée entre le conducteur de cathode (57) de la diode émettrice de lumière et l'autre zone de montage en surface électriquement isolée (59). La DEL (43) et au moins une longueur du câble électrique souple (47) sur laquelle la DEL est montée en surface sont encapsulées par un matériau de moulage polymérique (49).

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