C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 11/77 (2006.01) H01L 33/00 (2006.01) H05B 33/18 (2006.01)
Patent
CA 2566205
Special high performance wavelength shifting yttrium-aluminum-garnet (YAG) phosphor compositions have been discovered and devised. Further, these compositions when properly distributed in a bulk medium having cooperative properties forms new media having totally unique and useful characteristics. In particular, a special phosphor is devised having a dual peak spectral output when stimulated with high energy photonic input. A dual activator formula is created such that simple manipulation of specified ratios permits flexibility in tuning of color temperature output of the phosphor emitter combination When prepared with preferred particle sizes and densities, performance improvements are observed. Finally, these phosphors are combined with other special binder materials to form colloid media with well designed optical interaction cross section whereby light emitted from a high intensity blue diode semiconductor will especial high performance wavelength shifting compositions has been discovered and divised. Further, these compositions when properly distributed in a bulk medium having cooperative properties forms new media having totally unique and useful characteristics. In particular, a special phosphor is devised having a dual peak spectral output when stimulated with high energy photonic input. A dual activator formula is created such that simple manipulation of specified ratios permits flexibility in tuning of color temperature output of the phosphor emitter combination When prepared with preferred particle sizes and densities, performance improvements are observed. Finally, these phosphors are combined with other special binder materials to form colloid media with well designed optical interaction cross section whereby light emitted from a high intensity blue diode semiconductor will experience just enough wavelength shift in precisely the desired portions of the spectrum, with high efficiency, to form a white LED not found in other systems.
L'invention concerne des compositions spéciales de phosphore de grenat d'yttrium-aluminium (YAG) de décalage spectral à haute performance. Lesdites compositions, lorsqu'elles sont distribuées de manière adaptée dans un support aux propriétés de coopération, forment de nouveaux supports possédant des caractéristiques particulièrement spécifiques et utiles. L'invention concerne, en particulier, un phosphore avec une double sortie spectrale de crête lorsqu'il est stimulé par une entrée photonique à haute énergie. Une double formule d'activation est générée pour qu'une simple manipulation des rapports spécifiques permette d'accorder de manière flexible la sortie de température couleur de la combinaison de l'émetteur de phosphore. Des dimensions et des densités de particules préférées permettent d'en améliorer la performance. Ces phosphores sont combinés à d'autres liants spéciaux pour former des supports colloïdaux avec une section transversale d'interaction optique configurée de manière adaptée. La lumière émise par un semi-conducteur à diode bleue d'intensité élevée est soumise à un décalage spectral suffisant de haute efficacité précisément dans les parties désirées du spectre, de manière à obtenir une DEL blanche que l'on ne trouve pas dans les autres systèmes.
Abramov Vladimir
Scherbakov Nikolai
Scherbakov Valentin
Shishov Alexander
Soschin Naum
Acol Technologies Sa
Robic
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