Sumitomo Chemical Company, Limited

Sumitomo Chemical Companylimited

Kansai Technology Licensing Organization Co., Ltd.

Makoto Kitano

Yoshiaki Tsubata

Takanobu Noguchi

Chizu Sekine

Akiko Nakazono

Jun Oguma

Fumi Yamaguchi

Shuji Doi

Masato Ueda

Isao Yahagi

Takenori Osada

Katsumi Agata

Akihiro Ono

Toshihiro Ohnishi

Satoshi Kobayashi

Takahiro Ueoka

Shigehiro Yamaguchi

Kohei Tamao

Masamitsu Ishitobi

Yasuaki Abe

Manabu Sasaki

Yukio Fujii

A dendrimer compound characterized by comprising a core represented by the following formula (1-1), (1-2), (1-3), or (1-4) and at least one kind of dendritic structure selected among dendritic structures represented by the following formulae (3) and (4). 

Dendrimer compound and organic luminescent device employing the same

A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2),  

Polymer compound and polymer light-emitting device using the same

Provided is a polymer comprising a repeating unit represented by formula (1), wherein, Arepresents a divalent group in which the bond distance ratio (bond distance of C(&#x3b1;)-A/bond distance of C(&#x3b1;)-C(&#x3b2;)) is 1.10 or more; R, R, R, R, R, and R, each independently represent a hydrogen atom, alkyl group, alkyloxy group, aryloxy group, arylalkyloxy group, etc. The polymer is useful as a light-emitting material, a charge transporting material, etc.

Polymer and polymer light-emitting device using the same

Provided is a polymer compound having a polystyrene reduced number average molecular weight of 10-10, and comprising a repeating unit represented by the below formula (1-1) or (1-2),wherein Ring A, Ring B, Ring C, or Ring D each independently represent an aromatic ring, and X represents S or O. The compound is usable as a light-emitting material, a charge transporting material, etc.

Polymer compound and polymer light emitting device using the same

A polymer characterized by comprising repeating units represented by the following formula (1) and having a number-average molecular weight, in terms of polystyrene, of 10to 10. (In the formula, Rrepresents hydrogen, alkyl, alkoxy, alkylthio, aryl, aryloxy, arylthio, arylalkyl, arylalkoxy, arylalkylthio, arylalkenyl, arylalkynyl, amino, substituted amino, silyl, substituted silyl, silyloxy, substituted silyloxy, monovalent heterocyclic group, or halogeno; and rings D and E each represents an optionally substituted aromatic ring.)

Polymer and polymeric luminescent element comprising the same

Provided is a polymeric fluorescent substance containing specific proportion of a repeating unit comprising 2 to 5 arylene groups or heterocyclic compound groups. The polymeric fluorescent substance has strong fluorescence, and can be suitably used as a polymer for high performance polymer LED and a dye for laser.

Polymeric fluorescent substance and polymer light emitting device

A hole transporting polymer having a specific Si-containing repeating unit represented by a formula (1) and specific molecular weight, an excellent hole transporting property, and superior durability and film-forming properties, and the organic EL device, using the bole transporting polymer having excellent light emitting characteristics are disclosed.

Hole transporting polymer and organic electroluminescence device using the same

Silicon-containing compound and organic electroluminescence device using the same

Provided is a high heat-resistant polymeric fluorescent substance having a divalent condensed polycyclic aromatic group of specific size having a bonding part at specific position shows fluorescence at a long wave length from orange to red, which is useful for fabricating an organic EL device having excellent properties by a coating method.

Polymeric fluorescent substance and organic electroluminescence device

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Tsukuba, Japan

Makoto Kitano