Light distribution using a light emitting diode assembly

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

Patent

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Details

F21V 7/00 (2006.01) F21S 2/00 (2006.01)

Patent

CA 2703925

A fluorescent light tube retrofit with light emitting diodes (LEDs) that evenly distribute light to avoid bright spots is disclosed. One tube in the form of a conventional fluorescent tube includes two LEDs mounted to the tube on opposite sides of a single circumference of the tube. The LEDs can face the center of the tube, or the LEDs can be offset facing relative to the center of the tube. A reflecting surface can be disposed inside the tube to reflect light evenly toward an arc of the tube. Alternatively, at least one LED can be oriented to direct light into a light pipe that curves around the interior of the tube.

Tube à lumière équipé de diodes électroluminescentes (DEL) qui distribuent uniformément la lumière pour éviter les taches lumineuses. Ce tube se présentant comme un tube fluorescent classique comprend deux DEL montées sur ce tube, sur les côtés opposés d'une seule circonférence de celui-ci. Ces DEL peuvent faire face au centre du tube, ou ces DEL peuvent être excentrées par rapport au centre du tube. Une surface réfléchissante peut être prévue à l'intérieur du tube pour refléter uniformément la lumière en direction d'un arc du tube. En variante, au moins une DEL peut être orientée afin de diriger la lumière dans un conduit de lumière se courbant autour de l'intérieur du tube.

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