Luminescent bivalent europium-activated barium borophosphate and
Luminescent coating for low-pressure mercury vapour discharge la
Luminescent device having phosphor particles about .5 micrometer
Luminescent Eu.sup.3+ -activated silicate, luminescent screen pr
Luminescent lead-activated alkaline earth metal rare earth metal
Luminescent material
Luminescent material and discharge lamp containing the same
Luminescent material and discharge lamp containing the same
Luminescent material coated with a protective layer
Luminescent material comprising an alkaline earth borate
Luminescent material for mercury discharge lamp including phosph
Luminescent material with alkaline earth metal silicate aluminat
Luminescent material, especially for application in mercury vapo
Luminescent material, luminescent screen provided with such a ma
Luminescent materials and discharge lamp containing the same
Luminescent phosphor composition and display
Luminescent rare earth metal phosphate, luminescent screen provi
Luminescent screen and lamp containing the same
Luminescent screen and low pressure mercury vapor discharge lamp
Luminescent screen and low-pressure mercury vapor discharge lamp