Light emitting diode linear light for machine vision

Details Light emitting diode linear light for machine vision Light emitting diode linear light for machine vision

F - Mech Eng,Light,Heat,Weapons

21

S

F21S 4/00 (2006.01) F21V 5/00 (2006.01) F21V 17/00 (2006.01) G01B 11/00 (2006.01) G01N 21/00 (2006.01)

Patent

CA 2749511

The invention herein comprises a linear lighting system which incorporates light emitting diode (LED) light sources with one or more distinct colors including broad band white light. The LED die or die arrays are mounted to a high thermal conductivity circuit board comprising COB technology which can include both the LED die and electronic drive components resulting in a more compact and reliable design with improved thermal and optical performance at lower cost. In conjunction with high efficiency imaging collection optics and aberration corrected cylindrical optics, the output of the LED sources are imaged to a bright line suitable for use in machine vision applications and the like.

L'invention porte sur un système d'éclairage linéaire qui incorpore des sources de lumière à diode électroluminescente (DEL) ayant une ou plusieurs couleurs distinctes comprenant une lumière blanche à large bande. La puce DEL ou des groupements de puces sont montées sur une carte de circuits imprimés à haute conductivité thermique comprenant une technologie COB qui peut comprendre à la fois la puce DEL et des composants de pilotage électroniques, conduisant à une conception plus compacte et fiable à performance thermique et optique améliorée à un plus bas coût. Conjointement avec des composants optiques de collecte d'image à efficacité élevée et des composants optiques cylindriques à aberration corrigée, la sortie des sources DEL forme une image d'une ligne brillante appropriée pour une utilisation dans des applications de vision artificielle et analogues.

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