The present invention is directed to a compound represented by Structural Formula (I): ##STR00001##
or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.

An organic light emitting display device is disclosed. The organic light emitting display device comprises an anode, an organic layer over the anode, and a cathode over the organic layer. The organic layer may include a heterocyclic compound. Alternatively, the organic layer may include a spirobisfluorene compound with hole transfer properties and a material with electron transfer properties.

An organic light emitting display device is disclosed. The organic light emitting display device comprises an anode, an organic layer over the anode, and a cathode over the organic layer. The organic layer may include a heterocyclic compound. Alternatively, the organic layer may include a spirobisfluorene compound with hole transfer properties and a material with electron transfer properties.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, G, n1, n2, m1, m2 and q represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, G, n1, n2, m1, m2 and q represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, G, n1, n2, m1, m2 and q represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, G, n1, n2, m1, m2 and q represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, n1, n2, m1, and m2 represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

A novel compound is disclosed, which is represented by the following Formula (I):

##STR00001##

wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4, L, Q, n1, n2, m1, and m2 represent the same as defined in the specification. In addition, an organic electronic device is also disclosed, and an organic layer therein comprises the novel compound of the present invention.

Provided are a novel compound and an organic electronic device using the same. The novel compound is represented by the following Formula (I):

##STR00001##