Machine vision light source with improved optical efficiency

Details Machine vision light source with improved optical efficiency Machine vision light source with improved optical efficiency

1997-02-07

1998-10-13

Pham, Hoa Q.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

25055908, 362 11, 362800, 359385, G01N 2188, F21V 300

Patent

active

058220534

ABSTRACT:
The present invention relates to an LED light source for a machine vision system. The light source includes a plurality of LEDs each arranged in a base plate in predetermined manner during manufacturing. Each LED is then securely mounted to the base plate with an ultravioletly curable adhesive to remain pointed in the predetermined manner. The light source also includes an optically efficient non-lambertain diffuser which receives light from each of the LEDs and breaks the light up to provide a uniform light field to illuminate an object under inspection.

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Novini, Amir, Fundamentals of Machine Vision Lighting, Jun. 1985.

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