A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thiasluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of the thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device consisting of the thin film phosphor on a substrate is also described.

 
Web www.patentalert.com

< Light-emitting organic oligomer compositions

< Charge transporting material, organic electroluminescent element, and light emitting panel

> Flexible substrates for organic devices

> Method of forming a patterned phosphor structure for an electroluminescent laminate

~ 00231