Abstract: Provided is a method of manufacturing an organic electroluminescence display device including an organic electroluminescence element, which has element characteristics comparable to those in the case of a vacuum in-situ process, while utilizing a patterning approach based on photolithography. The method of manufacturing an organic electroluminescence display device includes: an organic compound layer-forming step of forming an organic compound layer at least on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a release layer-processing step of processing the release layer; and an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the release layer-processing step, and at least the lowermost layer out of the release layer is a deposited film formed of a material soluble in a polar solvent.

Abstract: Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and an emission layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and contacted with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes a viologen compound represented by the following general formula [1] and the second organic compound includes an organic compound different from the viologen compound.

Abstract: Provided is a novel compound having a high lowest triplet excited level (T1 level), a narrow bandgap, and a shallow highest occupied molecular orbital (HOMO) level. A dibenzoxanthene compound is represented by formula [1] described in Claim 1. In formula [1], R1 to R7 are each independently selected from the group consisting of hydrogen, alkyl groups, aryl groups, heterocyclic groups, aryloxy groups, alkoxy groups, amino groups, silyl groups, and cyano groups.

Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode, and the organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer, and touches the cathode. The organic compound layer contains an organic compound represented by the following general formula [1], where R1 to R4 represent substituents.

Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode. The organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer and touches the cathode. The organic compound layer contains a bisimidazolidene compound represented by the following general formula [1], where R1 to R12 represent substituents.

Abstract: An organic compound contains indacenodiperylene as the basic skeleton.

Abstract: Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].

Abstract: A novel organic compound suitable for blue light emission and an organic light-emitting device containing the novel organic compound are provided. An organic compound represented by the following general formula (1) wherein R1 to R18 independently denote 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 aryl group, or a substituted or unsubstituted heterocyclic group.

Abstract: Provided is an organic light-emitting device having high efficiency and capable of being driven at a low voltage. An organic light-emitting device includes an anode, a cathode, and an organic compound layer including at least an emission layer between the anode and the cathode. The organic light-emitting device includes, between the anode and the emission layer, a first layer including a first organic semiconductor material and a transition metal oxide, and a second layer in contact with the first layer at an interface on a side closer to the anode and including a second organic semiconductor material. The refractive index of the first organic semiconductor material is less than 1.6. The ionization potential of the first organic semiconductor material is equal to or larger than the ionization potential of the second organic semiconductor material.

Abstract: A condensed polycyclic compound represented by the following general formula [1], wherein, in General Formula [1], R1, R6, R7, and R12 each are independently selected from a hydrogen atom, an alkyl group, or an aryl group, the aryl group may have an alkyl group and a fluorine atom as a substituent, and R2 to R5 and R8 to R11 each are independently selected from a hydrogen atom and an alkyl group.

Abstract: An organic compound represented by the following general formula [1] is provided. In the general formula [1], R1 to R3 are each independently selected from the group consisting of a hydrogen atom, a fluorine group, an alkyl group having 1 to 4 carbon atoms, and an aryl group, the aryl group is a phenyl group, a biphenyl group, or a terphenyl group, the aryl group may further include an alkyl group having 1 to 4 carbon atoms and/or a fluorine group as a substituent, and R4 to R17 are each independently selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, and a fluorine group.

Abstract: The present invention provides a novel stable benzo[a]naphtho[2,1-c]tetracene compound and an organic light-emitting device including the compound. Provided is an organic compound represented by Formula [1] described in Claim 1. In Formula [1], R1 to R16 each independently selected from a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a cyano group, a diphenylamino group, a pyridyl group, and an aryl group.

Abstract: Provided is a method of manufacturing an organic electroluminescence display device including: an organic compound layer-forming step of forming an organic compound layer on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a first processing step for the release layer of patterning the release layer; an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the first processing step for the release layer; and a second processing step for the release layer of removing a part of the release layer, in which the release layer is a deposited film formed of a charge-transportable organic compound and is dissolved by a solvent containing an organic solvent miscible with water.

Abstract: A benzopyrene compound represented by a general formula [1] below, where one of X1 and X2 represents a substituted or unsubstituted aryl group; another one of X1 and X2 represents a hydrogen atom; R represents an alkyl group; and n represents 0 or 1.

Abstract: Provided are a novel bichrysene compound and an organic light emitting device having high light emitting efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and a layer formed of an organic compound interposed between the anode and the cathode. The layer formed of an organic compound has a bichrysene compound represented by the following general formula (1).

Abstract: To provide a novel chrysene compound and an organic light-emitting device having high emission efficiency and excellent driving durability, provided is a novel triaryl-substituted chrysene compound represented by the general formula [1]: wherein Ar1 to Ar3 each represent a substituent selected from the group consisting of a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, and a substituted or unsubstituted fluorenyl group.

Abstract: Aspects of the present invention can provide a novel phenanthrothiadiazole compound with the lowest excited triplet level T1 that is high, the phenanthrothiadiazole compound being capable of forming a stable amorphous film. Furthermore, aspects of the present invention can provide an organic light-emitting device having high luminous efficiency and a low driving voltage. Aspects of the present invention provide a phenanthrothiadiazole compound represented by one of general formulae [1] to [3] according to Claim 1.

Abstract: Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].

Abstract: A novel organic compound is suitable for emitting green light. An organic light-emitting device includes the novel organic compound.

Abstract: A condensed polycyclic compound represented by the following general formula [1], wherein, in General Formula [1], R1, R6, R7, and R12 each are independently selected from a hydrogen atom, an alkyl group, or an aryl group, the aryl group may have an alkyl group and a fluorine atom as a substituent, and R2 to R5 and R8 to R11 each are independently selected from a hydrogen atom and an alkyl group.