LUMINOPHOR SUSPENSION FOR GAS-DISCHARGE SOURCE OF LIGHT Russian patent published in 1996 - IPC

FIELD: electrical engineering. SUBSTANCE: luminophor suspension for gas-discharge source of light is composed of binder, bond and luminophor consisting of mixture of barium titanate-phosphate, strontium orthophosphate and calcium halophosphate activated with antimony and manganese with color temperature T_cal= 3500 K. Composition of luminophor is added with calcium halophosphate activated with antimony and manganese with color temperature T_cal= 6500 K. Specified components are taken in following proportion, per cent by mass: barium titanate-phosphate 42-46, strontium and magnesium orthophosphate activated with tin 28-32, calcium halophosphate activated with antimony and manganese with color temperature T_cal=3500 K 2-7, calcium halophosphate activated with antimony and manganese with color temperature T_cal= 6500 K 17-26. EFFECT: prolonged service life and increased operational efficiency. 2 tbl