Kyulux, Inc.

Panasonic Intellectual Property Management Co., Ltd.

Hodogaya Chemical Co., Ltd.

Kyushu University

Nippon Steel & Sumikin Chemical Co., Ltd.

Katsuyuki Shizu

Chihaya Adachi

Hiroyuki Tanaka

Takuma Yasuda

Hajime Nakanotani

Hiroki Noda

Masatsugu Taneda

Hironori Kaji

Katsuaki Suzuki

Takehiro Takahashi

Hiroko Nomura

Manabu Nakata

Masaya Hirade

Kenichi Goushi

Ryosuke Kondo

Yuko Kishimoto

Hiroki Uoyama

Kazunori Togashi

Hiroshi Miyazaki

Tetsuya Nakagawa

Atsushi Wakamiya

Hiroshi Ookuma

Junichi Nishide

Yasujiro Murata

Hajime Suzuki

Hajime Oiwa

Tatsuya Fukushima

Furitsu Suzuki

Yuta Sagara

Jyunichi Nishide

A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of general formula (1) having a tetraazatriphenylene ring structure is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes. 

Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent device

A light-emitting material containing a compound represented by the general formula (1) is capable of achieving an excellent external quantum efficiency on using in an organic light-emitting device. Rto Rrepresent a hydrogen atom or a substituent, provided that at least one of Rto Rrepresents a substituted or unsubstituted carbazolyl group; and Arto Arrepresent a substituted or unsubstituted aromatic ring or heteroaromatic ring. 

Light-emitting material, and delayed fluorescent emitter and organic light-emitting device using same

A photoelectric conversion material includes a compound represented by Formula (1): where, X is selected from the group consisting of a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, and a cyano group; and Y represents a monovalent substituent represented by Formula (2): where, Rto Reach independently represent a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, or an aryl group; or two or more of Rto Rbond to each other to form one or more rings, and the remainders each independently represent a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, or an aryl group; * denotes the binding site of Y in Formula (1); and Aris selected from the group consisting of structures represented by Formulae (3): where ** denotes a binding site of Arwith N in Formula (2).

Photoelectric conversion material containing organic semiconductor material, and photoelectric conversion element

A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The spiro compound of a general formula (1) having an azafluorene ring structure is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes. 

Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device

An organic light-emitting device having a light-emitting layer containing a compound represented by the general formula below has a high light emission efficiency. In the general formula, at least one of Rto Rrepresents a cyano group, at least one of Rto Rrepresents a 9-carbazolyl group, a 1,2,3,4-tetrahydro-9-carbazolyl group, a 1-indolyl group or a diarylamino group, and the balance of Rto Rrepresents a hydrogen atom or a substituent. 

Organic light-emitting device, and light-emitting material and compound used therefor

A compound represented by the general formula (1) is useful as a light-emitting material. R, R, and Reach represent a cyano group, or R, R, R, and Reach represent a cyano group; and the others of Rto Reach represent a group represented by any one of the following general formula (4), etc. 

Light-emitting material, organic light-emitting device, and compound

A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Arto Areach represent a substituted or unsubstituted aryl group, provided that at least one of Arto Areach represent a carbazolyl group having an N-position substituted with a group containing an electron withdrawing group. 

A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of a general formula (1) having a diazatriphenylene ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes. 

Compound having diazatriphenylene ring structure, and organic electroluminescent device

The compound represented by the following general formula is useful as a light emitting material. Arrepresents an arylene group, Arand Arrepresent an aryl group, and Rto Rrepresent a hydrogen atom or a substituent, provided that at least one of Rto Rrepresents a diarylamino group. 

Compound, light emitting material, and organic light emitting device

A compound represented by D-A-D is useful as a light emitter for an organic electroluminescent device: 

Compound, light emitter, and organic light emitting device

A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Arto Arrepresent an aryl group, provided that at least one thereof represents an aryl group substituted by a group represented by the general formula (2). In the general formula (2), Rto Rrepresent a hydrogen atom or a substituent; Z represents O, S, O&#x2550;C or Ar&#x2014;N; and Arrepresents an aryl group. 

Compound, light-emitting material, and organic light-emitting device

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Fukuoka, Japan

Katsuyuki Shizu