Luminescent object comprising aligned polymers having a...

H - Electricity – 01 – L

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H01L 31/055 (2006.01) F24J 2/06 (2006.01)

Patent

CA 2598062

A first aspect of the invention relates to a luminescent object comprising an aligned polymer that contains an oriented photoluminescent material, said aligned polymer having a pretilt angle of 10-90~. The luminescent object according to the present invention may advantageously be employed in luminescent solar concentrator systems as it enables highly efficient transportation of radiation emitted by the photoluminescent material following exposure to incident solar light. Another aspect of the invention concerns a photovoltaic device comprising an electromagnetic radiation collection medium containing the aforementioned luminescent object and a photovoltaic cell capable of converting optical radiation to electrical energy which is optically coupled to the luminescent object. Further aspects of the invention include a fluorescent light activated display and a room lighting system comprising the aforementioned luminescent object.

Selon un premier aspect, l'invention concerne un objet luminescent comprenant un polymère aligné qui contient un matériau photoluminescent orienté, ledit polymère ayant un angle de pré-inclinaison de 10-90º. L'objet luminescent de la présente invention peut être employé utilement dans des systèmes concentrateurs solaires dans la mesure où il permet un transport extrêmement efficace du rayonnement émis par le matériau photoluminescent à la suite d'une exposition à la lumière solaire. Un autre aspect de l'invention concerne un dispositif photovoltaïque comprenant un support collecteur de rayonnement magnétique qui contient l'objet luminescent susmentionné et une pile photovoltaïque (capable de transformer un rayonnement optique en énergie électrique) couplée optiquement à cet objet luminescent. D'autres aspects encore de l'invention concernent un affichage activé par lumière fluorescente et un système d'éclairage de pièces comprenant l'objet luminescent susmentionné.

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