Idemitsu Kosan Company, Limited

Mitsui Chemicals, Inc.

Idemitsu Petrochemical Co., Ltd.

Sony Corporation

Nobuhiro Yabunouchi

Tomoki Kato

Tetsuya Inoue

Masahiro Kawamura

Yumiko Mizuki

Takahiro Fujiyama

Kazuki Nishimura

Masami Watanabe

Hisayuki Kawamura

Mitsuru Eida

Chishio Hosokawa

Masakazu Funahashi

Takanori Sadashima

Kiyohiko Yokota

Noriyuki Tani

Shuji Machida

Takuji Okamoto

Kumiko Hibino

Shojiro Tanase

Akinori Yomogita

Toshihiro Iwakuma

Kenichi Fukuoka

Hiroshi Yamamoto

Kiyoshi Ikeda

Yoshiyuki Totani

Hironori Kawakami

Kiyokazu Katayama

Jun Endo

Takehito Konakazawa

Masahiro Mitani

Yasunori Kijima

Norio Tomotsu

Tadahiko Yoshinaga

Takayasu Sado

Shigeyuki Matsunami

Hideo Funabashi

Toshinori Tazaki

Takushi Shiomi

Mizutomo Takeuchi

Takashi Kashiwamura

Nobuhide Ishihara

Haruo Shikuma

Mitsugu Kanzawa

Kenji Tanaka

Hideaki Noda

Michiru Sekiguchi

Yasunori Kadoi

Takahiko Ochi

Nobuo Kawasaki

Kenji Nakacho

A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.

Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same

Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.

Aromatic amine derivative and elecroluminescence device using the same

Aromatic amine derivative and electroluminescence device using the same

A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein Rto R, n1, m2, k3, k4, n5, m6, k7, k8, Lto L, and Ar are as defined in the description.

Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic equipment

An organic EL device capable of driving at low voltage and having high emission efficiency and long lifetime and a material for organic EL devices which realize such an organic EL device are provided. The material for organic EL devices is a compound represented by formula (A1) or (B1): wherein Rto R, n1, m2, k3, k4, n5, m6, Lto L, and Ar are as defined in the description.

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

A compound represented by formula (1) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein Rto R, Lto L, Arto Ar, m1 to m3, and k4 are as defined in the description.

A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein Rto R, n1, m2, k3, k4, Lto L, Ar, and Arare as defined in the description.

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

Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.

Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.

Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same

An organic electroluminescence deviceincludes: an anodea cathodeopposed to the anodeand an emitting layerprovided between the anodeand the cathodeThe emitting layercontains first and second host materials and a luminescent material. The first host material has a partial structure represented by at least one of the following formulae (1) and (2) while the second host material has a partial structure represented by the following formula (3). Az represents a substituted or unsubstituted aromatic heterocyclic group containing a nitrogen-containing six-membered ring. Wis an aromatic hydrocarbon group substituted by at least one cyano group (CN) or an aromatic heterocyclic group substituted by at least one cyano group (CN). Aris a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, but is not an aromatic heterocyclic group containing a nitrogen-containing six-membered ring.&#x2014;Az&#x2014;(W)&#x2003;&#x2003;(1)&#x2014;Az&#x2014;(CN)&#x2003;&#x2003;(2)&#x2014;Ar&#x2014;(CN)&#x2003;&#x2003;(3)

Organic electroluminescence device

A material for organic electroluminescence device including a specific compound having a specific group in the central skeleton and an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer includes a light emitting layer and at least one layer of the organic thin film layer includes the material for organic electroluminescence device. The organic electroluminescence device has a long lifetime and the material for organic electroluminescence device realizes such a device.

Material for organic electroluminescence device and organic electroluminescence device

Provided are an organic electroluminescence device that not only provides high efficiency but also has a long lifetime, and an aromatic amine derivative that realizes the device. The organic electroluminescence device includes an aromatic amine derivative, including at least one substituent A having dibenzofuran and at least one substituent B selected from groups each having dibenzofuran or carbazole, in a molecule thereof, in which the substituent A and the substituent B include groups different from each other, and the substituent A and the substituent B are bonded to the same nitrogen atom, or different nitrogen atoms, in the molecule. The molecules of the aromatic amine derivative hardly crystallize, which improves a yield in the production of the organic electroluminescence device. In the organic electroluminescence device, including an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, the aromatic amine derivative is contained in at least one layer, particularly a hole transport layer, in the organic thin film layer.

Aromatic amine derivative, and organic electroluminescent element

A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7). 

Carbazole-based polymer and organic electroluminescence element using same

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Sodegaura, Japan

Nobuhiro Yabunouchi