Provided is an organic light-emitting device capable of outputting light with high efficiency and high luminance. The organic light-emitting device includes an anode, a cathode, an emission layer placed between the anode and the cathode, and an organic compound layer placed between the anode and the emission layer, in which the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP.sup.2 carbon atoms and SP.sup.3 carbon atoms, and having a ratio of the number of the SP.sup.3 carbon atoms to the number of the SP.sup.2 carbon atoms of 40% or more; and [Compound B] a compound having a tertiary amine structure.

There is disclosed a compound Formula I

##STR00001## In Formula I: Z is CR.sup.4R.sup.5, CCR.sup.4R.sup.5, SiR.sup.4R.sup.5, GeR.sup.4R.sup.5, NR.sup.4a, PR.sup.4a, P(O)R.sup.4a, O, S, SO, SO.sub.2, Se; SeO, SeO.sub.2, Te, TeO, or TeO.sub.2; R.sup.1-R.sup.3 are the same or different at each occurrence and are D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl, where two groups selected from R.sup.1, R.sup.2, and R.sup.3 can be joined together to form a fused ring; R.sup.4-R.sup.5 are the same or different at each occurrence and are H, D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl; R.sup.4a is alkyl, silyl, germyl, aryl, or a deuterated analog thereof; a is an integer from 0-4; b and c are the same or different and are an integer from 0-3.

The present invention discloses an organic electronic material, belonging to the organic light-emitting device (OLED) display materials field. The organic electronic material in the present invention has a structural formula (I). The OLED made by this kind of organic light-emitting material has the advantages of excellent light-emitting efficiency, excellent color purity and long service lifetime. ##STR00001##

The present invention discloses an organic electronic material, belonging to the organic light-emitting device (OLED) display materials field. The organic electronic material in the present invention has a structural formula (I). The OLED made by this kind of organic light-emitting material has the advantages of excellent light-emitting efficiency, excellent color purity and long service lifetime. ##STR00001##

The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.

The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.

There is provided a compound having Formula I. In Formula I: R.sup.3-R.sup.16 are the same or different and are H, D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where no more than two R.sup.1-R.sup.16 are biphenyl and where at least two of R.sup.1-R.sup.16 have Formula II. In Formula II: Ar is phenyl, naphthyl, heteroaryl, spirofluorenyl, or a deuterated analog thereof; R.sup.11 is the same or different at each occurrence and is D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where adjacent R.sup.11 groups can join to form a fused aromatic ring or fused deuterated aromatic ring; m is an integer form 0-4; n is an integer from 1-5; and the asterisk represents a point of attachment. ##STR00001##

There is provided a compound having Formula I. In Formula I: R.sup.3-R.sup.16 are the same or different and are H, D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where no more than two R.sup.1-R.sup.16 are biphenyl and where at least two of R.sup.1-R.sup.16 have Formula II. In Formula II: Ar is phenyl, naphthyl, heteroaryl, spirofluorenyl, or a deuterated analog thereof; R.sup.11 is the same or different at each occurrence and is D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where adjacent R.sup.11 groups can join to form a fused aromatic ring or fused deuterated aromatic ring; m is an integer form 0-4; n is an integer from 1-5; and the asterisk represents a point of attachment. ##STR00001##

An organic compound represented by the following formula [1] or [2]: ##STR00001##
wherein R.sub.1 to R.sub.22 independently denote a substituent selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted silyl group, a cyano group, a trifluoromethyl group, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and R.sub.5 and R.sub.6, and/or R.sub.7 and R.sub.8 may be bonded together to form a ring structure.

An organic compound represented by the following formula [1] or [2]: ##STR00001##
wherein R.sub.1 to R.sub.22 independently denote a substituent selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted silyl group, a cyano group, a trifluoromethyl group, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and R.sub.5 and R.sub.6, and/or R.sub.7 and R.sub.8 may be bonded together to form a ring structure.