Led array for illuminating cell well plates and automated...

C - Chemistry – Metallurgy – 12 – M

Patent

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Details

C12M 3/00 (2006.01) B01L 9/00 (2006.01) C12M 1/00 (2006.01) C12M 1/20 (2006.01) H05B 33/02 (2006.01)

Patent

CA 2477034

An assembly (10) for promoting the growth of plant tissues that includes a plurality of plates (12) each defining an array of wells (13) wherein each of the wells (13) contains a tissue sample. Support for the plates (12) is provided by a rack (20) having a plurality of vertically stacked shelves (23) that may include one or more register depressions (26) that urge the plates into predetermined positions. Light for the tissue samples is provided by a plurality of light-emitting diode arrays (30) each mounted on a circuit board (31). Each circuit board (31) is supported by a respective card edge connector (24) of the rack (20) so that the light-emitting diodes (30) are in proximity to the plates (12) supported on one of the shelves (23) therebelow. Preferably, the light-emitting diode array (30) corresponds to the well array supported in the registered position on the shelf (23) therebelow so that each light-emitting diode (30) is centered above a respective one of the wells (13).

L'invention concerne un dispositif (10) conçu pour favoriser la croissance de tissus végétaux. Ce dispositif comprend une pluralité de plaques (12) définissant chacune un réseau de cupules (13) dans lequel chaque cupule (13) contient un échantillon tissulaire. Un support de plaques (12) est formé par un bâti (20) constitué d'une pluralité de tablettes (23) empilées verticalement, pouvant comporter au moins un creux de repérage (26) sollicitant les plaques dans des positions prédéterminées. La lumière destinée aux échantillons tissulaires est fournie par une pluralité de réseaux de diodes émettrices de lumière (30) montés chacun sur une carte de circuits imprimés (31). Chaque carte de circuits imprimés (31) est soutenue par un connecteur de carte (24) respectif du bâti (20), de sorte que les diodes émettrices de lumière (30) sont disposées à proximité des plaques (12) soutenues par une des tablettes (23). Le réseau de diodes émettrices de lumière (30) correspond de préférence au réseau de cupules soutenu dans la position repérée sur la tablette (23) située en dessous, de sorte que chaque diode émettrice de lumière (30) est centrée au-dessus d'une cupule (13) respective.

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