Optical irradiation device

Details Optical irradiation device Optical irradiation device

H - Electricity

01

L

H01L 33/00 (2006.01) A61C 13/15 (2006.01) A61C 19/00 (2006.01) H01L 25/13 (2006.01) A61N 5/06 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2304166

An optical irradiation device incorporating a cluster of LEDs (11, 43) arranged so that shaped facets of adjacent LEDs come together to increase the packing density of LEDs in the cluster. A light guide (41) collects light emitted by the LEDs. Two or more light guides (41) and LED clusters (43) may be arranged in series to produce a single light beam. A heat pipe (45) is provided to conduct heat away from the LEDs (43). The heat pipe (56) may be annular and contain an inner storage space for batteries (60) or the like.

L'invention concerne un dispositif de rayonnement optique comprenant une grappe de diodes électroluminescentes (11, 43) montées de sorte que des facettes profilées de diodes électroluminescentes contiguës soient réunies de manière à augmenter la compacité des diodes électroluminescentes dans la grappe. Un guide optique (41) recueille la lumière émise par les diodes électroluminescentes. Deux ou plusieurs guides optiques (41) et grappes de diodes électroluminescentes (43) peuvent être montés en série pour produire un faisceau lumineux unique. Un conduit de chaleur (45) permet d'évacuer la chaleur des diodes électroluminescentes (43). Le conduit de chaleur (56) peut être annulaire et contient un espace de stockage intérieur pour batteries (60) ou analogues.

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