YELLOW AFTERGLOW MATERIAL, METHOD FOR PRODUCTION THEREOF AND LIGHT-EMITTING DIODE DEVICE USING SAID MATERIAL Russian patent published in 2013 - IPC C09K11/08 H01L33/00 

FIELD: chemistry.

SUBSTANCE: disclosed is a yellow afterglow material having the chemical formula aY₂O₃·bAl₂O₃·cSiO₂:mCe·nB·xNa·yP, where a. b. c. m, n. x and y are coefficients, where a is not less than 1 but not greater than 2, b not less than 2 but not greater than 3, c is not less than 0.001 but not greater than 1, m is not less than 0.0001 but not greater than 0.6, n is not less than 0.0001 but not greater than 0.5, x is not less than 0.0001 but not greater than 0.2, and y is not less than 0.0001 but not greater than 0.5, wherein Y, Al and Si are basic elements and Ce, B, Na and P are activators. Also disclosed is a method of producing the disclosed material and a light-emitting diode device using said material.

EFFECT: making alternating current light-emitting diodes from luminescent materials.

10 cl, 6 dwg, 4 tbl, 14 ex