A novel compound represented by formula (G1) is provided. ##STR00001##
In formula (G1), A represents a substituted or unsubstituted condensed aromatic ring having 10 to 30 carbon atoms or a substituted or unsubstituted condensed heteroaromatic ring having 10 to 30 carbon atoms, and Z.sup.1 to Z.sup.3 each independently have a structure represented by formula (Z-1) or (Z-2). In formula (Z-1), X.sup.1 and X.sup.2 each independently represent any one of an alkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, a cycloalkyl group having a bridge structure and having 7 to 10 carbon atoms, and a trialkylsilyl group having 3 to 12 carbon atoms. In addition, Ar.sup.1 to Ar.sup.4 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 13 carbon atoms, and at least one of Ar.sup.1 to Ar.sup.4 has the same substituent as X.sup.1 or X.sup.2.

The present invention includes novel compounds containing deuterated or partially deuterated xanthene and thioxanthene structures. These compounds may be useful as host materials with high triplet energies for phosphorescent electroluminescent devices.

A polymer compound has a repeating unit represented by general formula (1): ##STR00001##
wherein R.sup.1a represents an alkyl group, an aryl group, a monovalent aromatic heterocyclic group or an aralkyl group, each possibly substituted and the same or different; and X.sup.1a represents a group selected from formulae (1a) to (1c).] ##STR00002##
wherein R.sup.1c represents an aryl group or a monovalent aromatic heterocyclic group, possibly substituted; and R.sup.1d to R.sup.1f represent each independently an alkyl group, an aryl group, a monovalent aromatic heterocyclic group, an alkoxy group, an aryloxy group, an aralkyl group, an arylalkoxy group, a substituted amino group, a substituted carbonyl group, a substituted carboxyl group, a fluorine atom or a cyano group; and the pairs R.sup.1d and R.sup.1e, R.sup.1f and R.sup.1g, R.sup.1d and R.sup.1f, and R.sup.1e and R.sup.1g may be mutually linked to form a ring together with a carbon atom to which they are linked.

An aromatic amine derivative represented by the following formula (1): wherein Z.sub.1 is a group represented by the following formula (2); Z.sub.2 is a group represented by the following formula (3) or (3′); and P and Q are independently a group represented by the following formula (4) or (5): ##STR00001##

Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.

The present invention includes novel compounds containing deuterated or partially deuterated xanthene and thioxanthene structures. These compounds may be useful as host materials with high triplet energies for phosphorescent electroluminescent devices

The present invention relates to hyperbranched polymers, to a process for the preparation thereof, and to the starting compounds necessary for the preparation. The present invention furthermore relates to the use of the hyperbranched polymers according to the invention in electronic devices and to the electronic devices themselves.

The present invention relates to a charge transporting semi-conducting material. The charge transporting semi-conducting material may include optionally at least one electrical dopant, and a branched or cross-linked charge transporting polymer that includes 1,2,3-triazole cross-linking units of at least one of the general formulae Ia and/or Ib herein.

The charge transporting polymer can include ethylene building units substituted with at least one pending side group including a conjugated system of delocalised electrons. Also provided herein are processes for obtaining the charge transporting semi-conducting material.

The organic electroluminescent device includes a first electrode, a second electrode and an organic layer located between the first electrode and the second electrode, the organic layer includes a light-emitting layer, the light-emitting layer includes a host material, a thermally activated delayed fluorescence sensitizer and a green fluorescent dye, the green fluorescent dye includes a structure as shown in formula I. A thermally activated sensitized fluorescence technique is used, and the green fluorescent dye of a specific structure in combination with the sensitizer and the host material is used, so as to achieve the effects of narrowing the spectrum of a device and improving the green color purity. The efficiency of the organic electroluminescent device is equivalent to that of a phosphorescent green light device, so that a display panel including the organic electroluminescent device has a large display color gamut area.

Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.