Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
124 words
A luminescent aluminoborate and/or aluminosilicate glass which is activated by one or more rare earth metals, characterized in that the glass has a matrix comprising from 5 to 65 mol. % of at least one of the alkaline earth metal oxides BaO, SrO, CaO, ZnO and MgO, from 20 to 85 mol. % of at least one of the oxides B 2 O 3 and Si0 2 and from 1 to 35 mol. % of Al 2 O 3 , and in that the glass contains at least one of the activators Tb 3+ and Ce 3+ , in a quantity, calculated as Tb 2 0 3 and/or Ce 2 O 3 , of 0.1 to 10 mol. % with respect to the matrix.
Claim 2
Dependent Claim
124 words
A luminescent aluminoborate and/or aluminosilicate glass which is activated by one or more rare earth metals, characterized in that the glass has a matrix comprising from 5 to 65 mol. % of at least one of the alkaline earth metal oxides BaO, SrO, CaO, ZnO and MgO, from 20 to 85 mol. % of at least one of the oxides B 2 O 3 and Si0 2 and from 1 to 35 mol. % of Al 2 O 3 , and in that the glass contains at least one of the activators Tb 3+ and Ce 3+ , in a quantity, calculated as Tb 2 0 3 and/or Ce 2 O 3 , of 0.1 to 10 mol. % with respect to the matrix.
Claim 3
Dependent Claim
49 words
A luminescent glass as claimed in Claim 1, characterized in that the matrix comprises from 20 to 45 mol.% of alkaline earth metal oxide, from 40 to 70 mol.% of B 2 O 3 and/or SiO 2 and from 5 to 20 mol.% of Al 2 O 3 .
Claim 4
Dependent Claim
30 words
A luminescent glass as claimed in Claim 1 or 2, characterized in that the matrix is an aluminoborate glass containing at least one of the oxides BaO, SrO and CaO.
Claim 5
Dependent Claim
30 words
A luminescent glass as claimed in Claim 1 or 2, characterized in that the matrix is an aluminosilicate glass containing at least one of the oxides BaO, SrO and CaO.
Claim 6
Dependent Claim
56 words
A luminescent glass as claimed in Claim 1 or 2, characterized in that the matrix is an luminosilicate borate glass in which the molar ratio SiO 2 : B 2 O 3 has a value of from 10 to 1 and which contains CaO and at least one of the oxides MgO, ZnO, SrO and BaO.
Claim 7
Dependent Claim
30 words
A luminescent screen provided with a luminescent layer provided on a carrier and comprising a luminescent aluminoborate and/or aluminosilicate glass as claimed in any one of Claims 1 to 5.