An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer containing a host material and an emitting dopant material wherein the host includes a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions and being further substituted or not with electron donating groups sufficient so as to provide an anthracene derivative that exhibits a measured oxidation potential of less than 1.28 V.
一种OLED装置包括阴极、阳极,并在两者之间具有一个发光层,该发光层包含一个主体材料和一个发射掺杂材料,其中主体材料包括在2-、9-和10-位置带有芳香基团的单
蒽化合物,且进一步取代或不取代电子给体基团,以便提供一个测得的氧化电位小于1.28 V的
蒽衍
生物。