H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/14 (2006.01) C09K 11/77 (2006.01) C09K 11/80 (2006.01) H05B 33/10 (2006.01)
Patent
CA 2278545
New phosphors based on doped alkaline earth gallates for electroluminescent (EL) display materials. Bright red EL has been obtained in amorphous and crystalline alkaline earth gallates doped with europium. Powder targets of compositions Sr4Ga2O7, Sr7Ga4O13, Sr3Ga2O6, Sr3Ga4O9, SrGa4O7, SrGa12O19, Ba4Ga2O7, Ba3Ga2O6 and Ca3Ga4O9 doped with 1-2 % Eu, where RF magnetron sputtered onto BaTiO3 substrates. Both annealed an as-deposited films yielded bright EL emission in the red part of the visible spectrum with peaks characteristic of the Eu3+ ion.
Nouveaux luminophores à base de gallates alcalino-terreux dopés servant de matériaux d'affichage électroluminescents (EL). On a obtenu une électroluminescence (EL) rouge brillante dans des gallates alcano-terreux amorphes et cristallins dopés avec europium. Des cibles pulvérulentes de compositions de Sr¿4?Ga¿2?O¿7?, Sr¿7?Ga¿4?O¿13?, Sr¿3?Ga¿2?O¿6?, Sr¿3?Ga¿4?O¿9?, SrGa¿4?O¿7?, SrGa¿12?O¿19?, Ba¿4?Ga¿2?O¿7?, Ba¿3?Ga¿2?O¿6? et Ca¿3?Ga¿4?O¿9? dopées avec 1-2 % Eu ont été pulvérisées au magnétron HF sur des substrats de BaTiO¿3?. A la fois les couches minces recuites et déposées comme telles ont produit une émission électroluminescente brillante dans la partie rouge du spectre visible avec des crêtes caractéristiques de l'ion Eu?3+¿.
Kitai Adrian H.
Xiao Tian
Guard Inc.
Hill & Schumacher
Kitai Adrian H.
LandOfFree
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