Mitsubishi Chemical Corporation

Pioneer Corporation

Koichiro Iida

Kazuki Okabe

Masayoshi Yabe

Tomoyuki Ogata

Hideki Gorohmaru

Yanjun Li

Masako Takeuchi

Kyoko Endo

Tatsushi Baba

Hideki Sato

Koichi Ishibashi

Asato Tanaka

Tomokazu Umemoto

Masayo Fugono

Tomohiro Abe

Yuichiro Kawamura

Hironori Ishikawa

Kazuhiro Nagayama

Mitsuru Tanamura

Yoshimasa Bando

Hideji Komatsu

Yoshiko Kajiyama

Atsushi Takahashi

Takashi Oya

Kenichi Nagayama

Toshiyuki Urano

Haruhiko Kusaka

Tomomi Okamoto

Ichiro Imada

Futoshi Tanaka

Takayuki Shouda

Kumiko Takenouchi

Misako Okabe

Akira Migita

Emi Nakamoto

Qi Gao

Hideki Goromaru

Yuichiro Mitsubishi Chemical Group Scien Kawamura

The present invention provides with an electron-accepting compound having a structure of the following formula (1):

Electron-accepting compound and composition for charge-transporting film, and luminescent element using same

The object of the present invention is to provide an iridium complex compound emitting red light, a composition comprising the iridium complex compound and a solvent, an organic electroluminescent element which is produced using the compound or the composition and has a long driving life and an excellent electronic durability, and a display device and lighting device using the organic electroluminescent element. The present invention relates to an iridium complex compound solvent having a 2-phenyl quinazoline framework and a specific substituent.

Iridium complex compound, and composition, organic electroluminescent element, display device, and lighting device each containing the compound

The present invention provides with an electron-accepting compound having a structure of the following formula (1): 

The object of the present invention is to provide a polymer capable of being insolubilized at a low temperature in a short time, having a high hole injecting and transporting ability and a high durability, and a composition for organic electroluminescent element comprising the polymer. The polymer of the present invention comprises a specific crosslinkable group.

Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, and organic EL lighting device

A monoamine compound characterized by being represented by the following general formula (1). [In general formula (1), Rto Reach independently represent a phenyl group which may have a substituent in at least one of o- and m-positions, in which the substituent may be bonded to each other to form a cyclic structure. Rto Rare a group different from each other.]

Monoamine compound, charge transport material, composition for charge transport film, organic electroluminescent element, organic EL display, and organic EL lighting

The present invention is to provide an iridium complex compound, which is soluble in an organic solvent, which can be stored for long periods without reprecipitation thereof and which secures a low driving voltage and a high luminescent efficiency of an organic electroluminescent element produced using the compound, to provide an organic electroluminescent element containing the compound and to provide a display and a lighting using the organic electroluminescent element. The present invention relates to the iridium complex compound having a specific chemical structure. Further, the invention also relates to the organic electroluminescent element produced using the compound, which requires a low operating voltage and has a long operating lifetime.

Iridium complex compound, solution composition containing the compound, organic electroluminescent element, display, and lighting

A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material E, the first reduction potential of the phosphorescent material E, the first oxidation potential of the charge transporting material E, and the first reduction potential of the charge transporting material Esatisfy the following condition: E+0.1&#x2266;E&#x3c;E&#x2266;E&#x2212;0.1 or E+0.1&#x2266;E&#x3c;E&#x2266;E&#x2212;0.1.

Organic electric field light emitting element and production therefor

The present invention provides a polymer compound and charge transporting polymer having a high hole injecting and transporting performance, a composition for organic electroluminescent element containing the charge transporting polymer, and an organic electroluminescent element. The polymer compound of the present invention comprises a specific group having a benzocyclobutene ring.

Polymer compound, charge-transporting polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, and organic EL light

A polymer comprising a repeating unit represented by the following formula (1) and a cross-linkable group wherein Arto Ar, R, Rand r are as defined; and an organic electroluminescent element containing at least one organic layer containing a network polymer formed by cross-linking the polymer, the layer being a hole injection layer or a hole transporting layer.

Organic electroluminescent element material, organic electroluminescent element composition, organic electroluminescent element, display device, and lighting device

The present invention relates to a polymer comprising a repeating unit containing a specific partial structure and a repeating unit containing a crosslinking group, a composition for an organic electroluminescent element comprising the polymer, and an organic electroluminescent element comprising an organic layer formed using the composition for an organic electroluminescent element by a wet film formation method.

Polymer and organic electroluminescent element

An object of the present invention is to provide a conjugated polymer which has a high hole transportability and is excellent in solubility and depositability. Another object of the present invention is to provide an organic electroluminescence element which is capable of low voltage driving and has a high luminous efficiency and drive stability. The conjugated polymer of the present invention is a conjugated polymer containing a specific structure as the repeating unit, where the conjugated polymer contains an insolubilizing group as a substituent, the weight average molecular weight (Mw) is 20,000 or more and the dispersity (Mw/Mn) is 2.40 or less.

Conjugated polymer, insolubilized polymer, organic electroluminescence element material, composition for organic electroluminescence element, polymer production process, organic electroluminescence element, organic EL display and organic EL lighting

The present invention relates to an organic electroluminescent element which comprises two or more hole injection/transport layers each formed by a wet film formation method using a composition containing, as a hole-injecting/transporting compound, an arylamine polymer compound that has a repeating unit having a triarylamine structure therein, in which when the number of atoms present on the path which is the smallest in the number of atoms present thereon, of the paths which each connect the nonaromatic tertiary nitrogen atoms contained in any two triarylamine structures present in each polymer compound, is taken as N: the minimum number of atoms between nitrogen atoms in the compound, then the N in each hole injection/transport layer is in a specific state.

Organic electroluminescent element, composition for organic electroluminescent element, and organic electroluminescent device

The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein Rto Rrepresent a hydrogen atom, an aryl group, or an alkyl group; Rto Rmay be the same or different from each other; and Rto Rmay further have an aryl group or an alkyl group as a substituent in the case where Rto Rare an aryl group or an alkyl group.

Monoamine compound, charge-transporting material, and organic electroluminescent device

A monoamine compound of formula (1): wherein Rto Reach independently represent a phenyl group which may have one or more substituents, wherein at least one of said substituents is in the ortho or meta positions and wherein said substituents may be bonded to each other to form a cyclic structure, with the proviso that none of R1, R2 and R3 is a group which is the same as the other.

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Kanagawa, Japan

Koichiro Iida