Idemitsu Kosan Company, Limited

Mitsui Chemicals, Inc.

Joled Inc.

Idemitsu Korea Co., Ltd.

Idemtisu Kosan Co., Ltd.

Kei Yoshida

Toshinari Ogiwara

Hiroyuki Katsuta

Hidenori Daido

Michikazu Nomura

Takeo Wakita

Nobuyuki Kawahara

Akiyoshi Kai

Shinichi Banba

Kiyoshi Takahashi

Yutaka Chiba

Junji Maki

Hiroko Kato

Ryohei Hashimoto

Kazuki Nishimura

Masatoshi Saito

Mitsunori Ito

Tetsuya Inoue

Yuichiro Kawamura

Satomi Tasaki

Toshihiro Iwakuma

Kiyoshi Ikeda

Kumiko Hibino

Masahiro Kawamura

Yumiko Mizuki

Hitoshi Kuma

Keiji Okinaka

Atsuko Kawahara

Kei Yoshizaki

Masato Nakamura

Tetsuya Masuda

Tomoki Kato

Yuki Nakano

Hideaki Nagashima

Chishio Hosokawa

Yusuke Takahashi

Mitsuru Eida

Tadahiko Yoshinaga

Ryota Takahashi

Masaki Numata

Takushi Shiomi

Kenji Kodaka

Sayaka Mizutani

Hidetaka Tsukada

Kanji Tomiya

Toshiki Matsumoto

Shingo Matsuo

Keiichi Yasukawa

Ryoji Maeda

Toshio Kitashima

Yoshinao Shirasaki

Masato Mitani

Yoshinori Aoyama

Tomokatsu Kushida

The compounds represented by formula (1):

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

A compound that further improves the capability of an organic electroluminescent device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device are provided. A compound represented by the following formula (1): wherein the symbols in the formula (1) are defined in the description, an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

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

A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and Dand Dare each independently represented by one of a formula (2), a formula (3) and formula (3x) below, Dand Dbeing optionally mutually the same or different.

An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.

Organic electroluminescent element, material for organic electroluminescent elements, and electronic device

A compound of the following formula (1) and others. Rto R, Rto R, Aand Aare as defined in the specification, n is an integer of 0 to 3, when Ais an (n+1)-valent residue of benzene, n is an integer of 1 or more, and when n is 0, (A)is a hydrogen atom.

A compound represented by Formula (1): The compound can be used as insecticides.

Amide derivatives, process for preparation thereof and use thereof as insecticide

A compound represented by the following formula (1), wherein Xis O or S, and two or more of Y, Yand Yare N, provided that the case where one or both of &#x2014;Ar-Arand &#x2014;Ar-Aris a p-terphenyl-3-group is excluded.

Compound and organic electroluminescence device using the same

A compound is represented by a formula (20) below. In the formula (20), a least one pair of a pair of Xand X, a pair of Xand Xand a pair of Xand Xare carbon atoms to be bonded to the structure represented by the formula (20a), 

Compound, composition, organic electroluminescent element, and electronic appliance

An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.

Organic electroluminescent element and electronic device

An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a delayed fluorescent first compound, a fluorescent second compound, and a third compound represented by Cz-Az. The second compound emits light with a main peak wavelength ranging from 430 nm to 540 nm. Az is a cyclic structure selected from the group consisting of a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted triazine ring, and a substituted or unsubstituted pyrazine ring. Cz is represented by a formula (3B) below. 

Organic electroluminescent element, and electronic apparatus

An organic electroluminescence device includes an anode, an emitting layer, and a cathode, in which the emitting layer contains a first compound represented by a formula (1) and a fluorescent second compound. A singlet energy S(M1) of the first compound is larger than a singlet energy S(FL) of the fluorescent second compound. A is a group represented by a formula (1). 

Organic electroluminescent element, electronic device, and compound

A compound is represented by a formula (2) below. In the formula (2), at least one pair of a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, a pair of Xand X, and a pair of Xand Xare carbon atoms to be bonded to a structure represented by as formula (2a) or (2b) below, 

Compound, composition, organic electroluminescent element and electronic device

Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I). 

Specifically substituted ladder type compounds for organic light emitting devices

An organic electroluminescence device includes an anode, a second organic layer, a first organic layer, and a cathode in this order. The first organic layer contains a first compound and a second compound. The second organic layer contains a third compound. The first compound is a compound represented by a formula (1). The second compound is a delayed fluorescent compound. The third compound is a compound represented by a formula (3). In the formula (1), X is a nitrogen atom or a carbon atom bonded to Y, Y being a hydrogen atom or a substituent. In the formula (3), n is an integer ranging from 1 to 4, Xis a group represented by a formula (3A). In the formula (3A), Arand Arare each independently a monovalent or polyvalent aromatic hydrocarbon group, and Cz is a group represented by a formula (3B-1) or the like. 

Organic electroluminescence device and electronic device

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Sodegaura, Japan

Kei Yoshida