Idemitsu Kosan Company, Limited

Hideaki Nagashima

Masaki Numata

Yuki Nakano

Heinz Wolleb

Takushi Shiomi

Yuichi Nishimae

Toshihiro Iwakuma

Thomas Schaefer

Ryohei Hashimoto

Chishio Hosokawa

Masahiro Kawamura

Kazuki Nishimura

Hidetsugu Ikeda

Kei Yoshida

Masahide Matsuura

Hiroaki Nakamura

Masatoshi Saito

Annemarie Wolleb

Tadashi Kusumoto

Thomas Raimann

Michelle Groarke

Tomoki Kato

Yumiko Mizuki

Hitoshi Kuma

Tasuku Haketa

Natalia Chebotareva

Flavio Luiz Benedito

Ute Heinemeyer

Jean-Charles Flores

Oliver Dosenbach

Julia Kohlstedt

Specifically substituted benzofuro- and benzothienoquinolines and their use in electronic devices, especially electroluminescent devices. When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the specifically substituted benzofuro- and benzothienoquinolines may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices.

Specifically substituted benzofuro- and benzothienoquinolines for organic light emitting diodes

The present invention relates to a compound of formula (I), wherein R, R, Rand Rare each independently hydrogen or R, with proviso that a pair of two substituents selected from Rand R, Rand R, and Rand Ris linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be-tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device. 

Specific ladder type compounds for organic light emitting devices

A compound of formula (I), a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer between a cathode and an anode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); an electronic equipment comprising the organic electroluminescence device; and a process for preparing the compound of formula (I). 

Nitrogen-containing heterocyclic compounds for organic light emitting devices

Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes of formula (I) and their use in electronic devices, especially electroluminescent devices. When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the specifically substituted aza-dibenzofurans and aza-dibenzothiophenes may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices. In formula (I) Y is S or O; one of X-Xis N; another X-Xis C-L(R)&#x2014;[XXX]Ring; and the remaining X-Xare CR-CRwherein R-Rare independently H, alkyl, alkenyl, aryl, etc. 

Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes for organic electronic devices

Compounds of formula (I) and their use in electronic devices, especially electroluminescent devices: (I) wherein at least two of the substituents Rand R, Rand R, Rand R, Rand R, Rand R, or Rand Rform together one of the following ring systems (IIa), (IIb) (IIc). When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices. 

Benzimidazolo[1,2-a]benzimidazole derivatives for organic light emitting diodes

The present invention relates to compounds of formula (I); a process for their production and their use in electronic devices, especially electroluminescent devices. When used as charge transport material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability and/or spectral characteristics of electroluminescent devices. 

Seven-membered ring compounds

Novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an electronic device, comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, which is preferably an electroluminescent device, a charge transport layer, a charge/exciton blocker layer, or an emitting layer comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an apparatus selected from the group consisting of stationary visual display units; mobile visual display units; illumination units; key-boards; items of clothing; furniture; wallpaper, comprising said organic electronic device, or said charge transport layer, said charge/exciton blocker layer, or said emitting layer.

Benzimidazolo[1,2-A]benzimidazole carrying aryl- or arylnitril groups for organic light emitting diodes

The present invention relates to compounds of formula(I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as charge transport material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency and reduced driving voltage of electroluminescent devices. 

1-functionalized dibenzofurans and dibenzothiophenes for organic light emitting diodes (OLEDs)

The present invention relates to compounds of formula (I) which are characterized in that they are substituted by at least one nitrile substituted carbazolyl group and their use in electronic devices, especially electroluminescent devices. When used as electron transport material, hole blocking material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices. 

Dibenzofurans and dibenzothiophenes

A compound represented by the following formula (1). In the formula, Ais O, S, Si(Ar)(Ar), P(&#x2550;O)(Ar)(Ar), a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group including 5 to 30 ring atoms. 

Fused heterocyclic aromatic derivative, organic electroluminescence element material, and organic electroluminescence element using same

The present invention provides a material for an organic electroluminescence device having a specific structure in which a dibennzofuranyl group or a dibenzothiophenyl group is bonded at an N-position (9-position) of a carbazolyl group and an organic electroluminescence device which is provided with one or more organic thin film layers including a light emitting layer between a cathode and an anode and in which at least one layer of the organic thin film layers described above contains the material for an organic electroluminescence device according to the present invention.

Material for organic electroluminescent device and organic electroluminescent device using same

A specific material for organic electroluminescence device having m-phenylene skeleton in its molecule realizes a highly heat-resistant and long lifetime organic electroluminescence device capable of driving at low voltage with high efficiency.

Compound, material for organic electroluminescence device, and organic electroluminescence device

A compound represented by the following formula (1). 

Material for organic electroluminescent element and organic electroluminescent element using same

An organic electroluminescence device including two or more organic thin film layers including an emitting layer between an anode and a cathode, 

Organic electroluminescence device

A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein Xto Xare a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of Xto Xis a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms. 

Growing community of inventors

Sodegaura, Japan

Hideaki Nagashima