ONE-COMPONENT UV-RADIATION PHOSPHOR Russian patent published in 2009 - IPC H01J1/63 C09K11/08

Abstract RU 2364976 C2

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, in particular to one-component UV-radiation phosphor that can be used in fluorescent lamps for skin sunburn and feature common composition (Y_1-x-y-zLa_xGd_yCe_z )PO₄, where x varies from 0.001 to 0.98, y varies from 0 to 0.1, z varies from 0.01 to 0.2, while x+y+z<1. When excited by 254 nm-radiation, phosphor radiates in UV A and B ranges. UV A-to-B ratio can be varied by adjusting relative quantities of Y and La.

EFFECT: one-component UV-radiation phosphor with wide UV A-to-B ratio range.

17 cl, 3 dwg, 3 tbl, 3 ex

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RU 2 364 976 C2

Authors

Fan' Chehn'-Vehn'

Snajder Tomas M.

Tomason Ehrik A.

Dates

2009-08-20—Published

2005-12-27—Filed