A formulation comprising at least one solvent and at least two different functional compounds of formula (I)
AB].sub.k(I) wherein A is a functional structural element, the structural element serving as host material, as a unit that has hole-injection and/or hole-transport properties, as a unit t at has electron-injection and/or electron-transport properties, as a unit which has light-emitting properties, or as a unit which improves the transfer from the singlet state to the triplet state of light-emitting compounds; B is a solubility-promoting structural element; and k is an integer in the range from 1 to 20; the molecular weight of the functional compound is at least 550 g/mol, and the solubility-promoting structural element B conforms to the general formula (L-I) ##STR00001##

The present disclosure relates inter alia to an organic cocrystal comprising at least three compounds A, B and C, and the method to prepare the said organic cocrystal, and organic electronic devices comprising the said organic cocrystal, and their application and use.

Provided are methods for the isolation of phorbol from seed sources and the use of the phorbol for the generation of tigliane tiglate and derivatives thereof.

The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

The present invention provides: a metal patterning material which exhibits excellent heat resistance and is suppressed in the formation of a metal thin film on a film surface; an amine compound; a method for forming a metal pattern using these; and an electronic device. The present invention uses a metal patterning material that contains a compound which comprises, in each molecule, an aromatic ring and/or a heteroaromatic ring, a fluorine atom and at least one tertiary amine, wherein: the aromatic ring is composed of at least one ring selected from the group consisting of a monocyclic aromatic ring, a linked aromatic ring and a fussed aromatic ring having from 6 to 15 carbon atoms; a fused aromatic ring having 16 or more carbon atoms is not contained; the proportion of carbon atoms directly bonded to a fluorine atom among the carbon atoms that form the aromatic ring and the carbon atoms that form the heteroaromatic ring is 10% or more; the molecular weight is from 500 to 3,000; and the glass transition temperature is 60? C. or higher.

The present invention relates to compounds which are suitable for use in electronic devices, preferably organic electroluminescent devices.

The present specification relates to an organic light emitting device.

The present application relates to fluoranthenylamine compounds of a formula (I). These compounds are suitable for use in electronic devices. The present application further relates to processes for preparing the compounds mentioned, and to electronic devices comprising the compounds mentioned.

An organic EL device with high emission efficiency, an electronic equipment including the organic EL device, and a compound providing the organic EL device are provided. The compound is represented by formula (1): ##STR00001##
wherein Ar.sup.1 represents a substituted or unsubstituted naphthalene ring; the substituent on the naphthalene ring is at least one selected from a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a group represented by Si(R.sub.101)(R.sub.102)(R.sub.103), and a group represented by ZR.sup.a; R.sup.1 and R.sup.2 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, a group represented by Si(R.sub.101)(R.sub.102)(R.sub.103), an aryl group, or a heteroaryl group; R.sup.11 to R.sup.18 each independently represent a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a group represented by Si(R.sub.101)(R.sub.102)(R.sub.103), or a group represented by ZR.sup.a; each Z represents a single bond, an arylene group, a heteroarylene group, or a divalent linking group in which 2 to 4 groups selected from the above groups are linked together; R.sup.a represents a group represented by N(R.sub.104)(R.sub.105), an aryl group, or a heteroaryl group; and R.sub.101 to R.sub.105 each represent a hydrogen atom, an alkyl group, a cycloalkyl group, aryl group, or a heteroaryl group; provided that at least one selected from the substituent on the naphthalene ring and R.sup.11 to R.sup.18 represents a group represented by ZR.sup.a.

A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device:

##STR00001##

wherein R.sup.1 to R.sup.6, a to f, L.sup.1 to L.sup.3, and Ar are as defined in the description.