G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 21/08 (2006.01)
Patent
CA 2669902
A microscope illumination system (10) includes a light source (16) having at least four LED light sources (16R, 16B, 16G, 16Y), each LED source emitting light within a different portion of the visible spectrum. Each of the at least four LED light sources may be independently controllable. The resultant light emitted from the at least four LED sources substantially approximates that from an incandescent light source. In one embodiment, the system includes at least one red LED (16R), at least one green LED (16G), at least one blue LED (16B), and at least one yellow LED (16Y). Other color combinations are also possible. The illumination may be positioned to place a sample holder such as a slide (14) within the optical path of the light source. The system may further include an optical magnification system (22) for magnifying an image of the biological sample.
L'invention concerne un système d'éclairage microscopique (10) comprenant une source de lumière (16) ayant au moins quatre sources de lumière LED (16R, 16B, 16G, 16Y), chaque source LED émettant de la lumière dans une partie différente du spectre visible. Chacune des quatre sources de lumière LED peut être commandée indépendamment. La lumière résultante émise à partir des quatre sources LED s'approche sensiblement de celle d'une source de lumière incandescente. Dans un mode de réalisation, le système comprend au moins une LED rouge (16R), au moins une LED verte (16G), au moins une LED bleue (16B), et au moins une LED jaune (16Y). D'autres combinaisons de couleurs sont également possibles. L'éclairage peut être positionné pour placer un support d'échantillon, tel une lamelle (14), dans le trajet optique de la source de lumière. Le système peut comprendre en outre un système d'amplification optique (22) pour amplifier une image de l'échantillon biologique.
Parsons Daniel
Zahniser David J.
Zahniser Michael
Cytyc Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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