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    • 1. 发明授权
    • Luminescent material and discharge lamp containing the same
    • 发光材料和放电灯含有相同的
    • US4441049A
    • 1984-04-03
    • US450488
    • 1982-12-16
    • Judicus M. P. J. VerstegenJohannus G. VerlijsdonkEmiel P. J. De MeesterWillebrordus H. M. M. Van de SpijkerJohannes G. Verriet
    • Judicus M. P. J. VerstegenJohannus G. VerlijsdonkEmiel P. J. De MeesterWillebrordus H. M. M. Van de SpijkerJohannes G. Verriet
    • C09K11/62C09K11/08C09K11/64C09K11/80H01J29/20H01J61/44C09K11/463
    • C09K11/08C09K11/0838
    • A luminescent screen provided with a luminescent material having the hexagonal crystal structure, which material is an aluminate, a gallate or an aluminate gallate. The crystal structure of the luminescent material corresponds to that of at least one of the compounds .beta.-aluminium, .beta."-alumina and the hexagonal ferrites. The luminescent material is activated by at least one of the elements manganese, europium, lead, thallium, cerium, indium, terbium, dysprosium and bismuth and is a ternary compound whose composition can be represented in the ternary phase diagram ABC in which A represents at least one of the oxides 1/4Na.sub.2 O, 1/2K.sub.2 O, 1/2Rb.sub.2 O, 1/2Cs.sub.2 O, CaO, SrO, BaO, 1/2La.sub.2 O.sub.3, 1/2Ce.sub.2 O.sub.3, 1/2Tb.sub.2 O.sub.3, 1/2Dy.sub.2 O.sub.3, 1/2Bi.sub.2 O.sub.3, EuO, PbO, 1/2Tl.sub.2 O and 1/2In.sub.2 O, in which B represents at least one the oxides Al.sub.2 O.sub.3 and Ga.sub.2 O.sub.3 in which up to 25 mol. % of the oxides denoted by B may be replaced by Sc.sub.2 O.sub.3 and in which C represents at least one of the oxides MgO, ZnO, BeO, 1/2LiAlO.sub.2 and 1/2LiGaO.sub.2. The content of A is more than zero and less than that of B and the content of C is more than zero and less than 0.6.
    • 具有六方晶体结构的发光材料的发光屏,该材料是铝酸盐,没食子酸酯或无酸铝酸铝。 发光材料的晶体结构对应于β-铝,β“ - 氧化铝和六方晶系铁氧体中的至少一种化合物的晶体结构。 发光材料由锰,铕,铅,铊,铈,铟,铽,镝和铋中的至少一种元素活化,并且是三元化合物,其组成可以在三元相图ABC中表示,其中A表示在 氧化物1 / 4Na2O,1 / 2K2O,1 / 2Rb2O,1 / 2Cs2O,CaO,SrO,BaO,1 / 2La2O3,1 / 2Ce2O3,1 / 2Tb2O3,1 / 2Dy2O3,1 / 2Bi2O3,EuO,PbO中的至少一种 ,1 / 2Tl2O和1 / 2In2O,其中B表示至多一种氧化物Al 2 O 3和Ga 2 O 3,其中至多25mol。 由B表示的氧化物的%可以用Sc2O3代替,其中C表示氧化物MgO,ZnO,BeO,1 / 2LiAlO2和1 / 2LiGaO2中的至少一种。 A含量大于零,小于B,C含量大于零,小于0.6。