Idemitsu Kosan Company, Limited

Tomoharu Hayama

Masahiro Kawamura

Yumiko Mizuki

Hirokatsu Ito

Tasuku Haketa

Kazuki Nishimura

Ryota Takahashi

Tetsuya Masuda

Tomoki Kato

Toshinari Ogiwara

Hitoshi Kuma

Satomi Tasaki

Takushi Shiomi

Mitsuru Shibata

A compound is represented by a formula (1). In the formula (1); Ar represents an aromatic hydrocarbon group or a heterocyclic group having 4 or more fused rings and 22 or less ring atoms; Ar optionally has a substituent; Ris a substituted or unsubstituted aromatic hydrocarbon group; when Ris an aromatic hydrocarbon group having a substituent, the substituent is not a heterocyclic group; Xrepresents a nitrogen atom or a carbon atom bonded with R(CR); Rrepresents a hydrogen atom or a substituent; Lrepresents a single bond or a linking group; Xand Xeach independently represent a nitrogen atom or a carbon atom bonded with R(CR); Rand Reach independently represent a hydrogen atom or a substituent; and Lis a linking group. 

Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device

A compound is represented by a formula (100) below, where X, Xand Xare each independently a nitrogen atom or a carbon atom bonded with R, Y is an oxygen atom, a sulfur atom and the like, R, R, R, Rand Rare each a hydrogen atom or a substituent, Lis a single bond or a linking group, and Lis a linking group. 

Compound, organic electroluminescence element material, organic electroluminescence element and electronic device

The present invention provides a compound having a fluoranthene skeleton represented by the formula (1); an organic electroluminescence device having plural organic thin film layers including a light-emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers contains the compound; and an electronic equipment provided with the organic electroluminescence device. The organic electroluminescence device realizes further lower voltage driving and has high emission efficiency. [In the formula (1), Xto X, L, Rto R, and n are as stated in the description.]

Compound, organic electroluminescent element, and electronic device

A compound is represented by the following formula (1). In the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, Rare independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, Rto Rare independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, Rto Rare independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, * is a bonding position at which one of Rto Ris bonded to either nitrogen atom, x is an integer from 0 to 3, y is an integer from 0 to 4, and z are independently an integer from 0 to 5. 

Organic electroluminecence device

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): wherein Arrepresents 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 &#x2014;Si(R)(R)(R), and a group represented by &#x2014;Z&#x2014;R; Rand Reach independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, a group represented by &#x2014;Si(R)(R)(R), an aryl group, or a heteroaryl group; Rto Reach 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 &#x2014;Si(R)(R)(R), or a group represented by &#x2014;Z&#x2014;R; 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; Rrepresents a group represented by &#x2014;N(R)(R), an aryl group, or a heteroaryl group; and Rto Reach 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 Rto Rrepresents a group represented by &#x2014;Z&#x2014;R.

Organic electroluminescent element and electronic device

An organic electroluminescence device having higher performance, in particular exhibiting a better driving voltage and a better external quantum efficiency, while having an extended lifetime; and an electronic equipment provided with the organic electroluminescence device are provided. In addition, a compound for realizing the same device and equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton; an organic electroluminescence device using the compound; and an electronic equipment provided with the organic electroluminescence device were provided.

Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device

An organic electroluminescence device includes: an anode; a cathode; and a single- or multi-layer organic layer interposed between the anode and the cathode. The organic layer includes at least one emitting layer containing a dopant material represented by a formula below. In the formula, Xto Xeach independently represent CRor a nitrogen atom, at least one of Xto Xis a nitrogen atom, Lrepresents a divalent aromatic hydrocarbon group or a divalent heterocyclic group, A and B each independently represents a cyclic structure, at least one of the cyclic structure A and the cyclic structure B has a substituent, and Rrepresents an aryl group, alkyl group or the like. 

Organic electroluminescent element

A compound of the invention is represented by a formula (1) below. In the formula (1), Cz is represented by a formula (1) below and Az is represented by a formula (11) below. 

A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton, an organic electroluminescence device using the compound and an electronic equipment provided with the organic electroluminescence device are provided.

A fused fluoranthene compound including a specific ring structure at a specific position of a fluoranthene skeleton is a novel material useful as a material for organic electroluminescence devices.

Condensed fluoranthene compound, organic electroluminescence element material including same, organic electroluminescence element using same, and electronic device

Compound

An organic electroluminescence device having good emission efficiency is provided. The organic electroluminescence device includes an amine compound which includes a benzofluorene structure and an aryl group and/or a heteroaryl group, wherein the benzofluorene structure has a specific substituent at 9-position of the fluorene ring.

Amine compound and organic electroluminescent element

A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.

Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same

A novel carbazole derivative represented by formula (1) in which two or more groups each having a specific structure, such as a carbazolyl group, are bonded to two or more of 2-, 3- and 4-positions of the carbazole derivative is useful as a material for organic electroluminescence devices. A material for organic electroluminescence devices including the carbazole derivative, an organic electroluminescence device employing the carbazole derivative, and an electronic equipment are described. wherein at least two selected from Bto Bare represented by formula (2) and A, Xto X, L, n, Y, and Rto Rare as defined in claim

Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same

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Utsunomiya, Japan

Tomoharu Hayama