Patent ID: 8795855

Claim:
An OLED device comprising a cathode, an anode, and having therebetween a light-emitting layer wherein the light-emitting layer comprises (a) a 2-arylanthracene compound represented by: and (b) a light-emitting second anthracene compound, the light-emitting second anthracene compound being an N,N,N′,N′,9,10-hexaaryl-2,6-anthracenediamine compound, wherein: d 1 , d 3 -d 5 , d 7 , and d 8 are hydrogen; d 6 is an aryl group; each g is the same or different and each represents an independently selected substituent, provided that two substituents may combine to form a ring group; p, r, and s are independently 0-5, and the selected substituent is a C 4 -C 30 aryl group.