Illumination system for use in a stereolithography apparatus

Details Illumination system for use in a stereolithography apparatus Illumination system for use in a stereolithography apparatus

B - Operations, Transporting

29

C

B29C 67/00 (2006.01) B41J 2/45 (2006.01)

Patent

CA 2750587

An illumination system (30), comprising: - a plurality of light-emitting diodes (LEDs) (34), each LED having at least a first, light-emitting surface (36) and a second surface (37), at least one of the first and the second surface being substantially flat; - a plurality of electrical pathways (56), selectively connected to the respective LEDs, such that each LED can be individually controlled; and -a levelling surface (46, 52), wherein the levelling surface is substantially flat and in levelling contact with the at least one substantially flat surface (37, 36) of each LED, such that a two- dimensional array of LEDs extends in a plane parallel to the levelling surface.

La présente invention concerne un système d'éclairage (30) comprenant : - une pluralité de diodes électroluminescentes (DEL) (34), chaque DEL possédant une première surface électroluminescente (36) et une seconde surface (37), au moins une parmi lesdites première et seconde surfaces étant sensiblement plate ; - une pluralité de voies électriques (56) sélectivement connectées aux DEL respectives, de manière à pouvoir commander individuellement chaque DEL ; et une surface d'appui (46, 52), ladite surface d'appui étant sensiblement plate et en contact d'appui avec ladite ou lesdites surfaces sensiblement plates (37, 36) de chaque DEL, de telle façon qu'un réseau de DEL en deux dimensions s'étend dans un plan parallèle à la surface d'appui.

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