HIGH PERFORMANCE WHITE LIGHT-EMITTING OLED DEVICE

• Main Authors: HATWAR, TUKARAM, KISAN, SPINDLER, JEFFREY, PAUL, YOUNG, RALPH, HOWARD
• Format: Patent
• Language: English; French; German
• Published: 25.04.2012
• Subjects: ADHESIVES; CHEMISTRY; DYES; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES

A broadband-emitting OLED device having an anode and a cathode spaced from the anode includes a first light-emitting layer provided over the anode and containing a first host material and a first light-emitting material, wherein the first host material is a mixture of one or more mono-anthracene derivatives and one or more aromatic amine derivatives, wherein the mono-anthracene derivative(s) being provided in a volume fraction range of 5% to 50% relative to the total host volume, and the aromatic amine derivative(s) being provided in a volume fraction range of 50% to 95% relative to the total host volume, and a second light-emitting layer provided over or under the first light-emitting layer.