Idemitsu Kosan Company, Limited

Taro Yamaki

Satomi Tasaki

Yuki Nakano

Tomoki Kato

Hiroaki Itoi

Masahiro Kawamura

Hirokatsu Ito

Yuichiro Kawamura

Ryota Takahashi

Tetsuya Masuda

Kiyoshi Ikeda

Keita Seda

Hironori Kawakami

Kazuki Nishimura

Masato Nakamura

Yu Kudo

Takashi Kashiwamura

Ryoji Maeda

Shintaro Ban

Takamoto Morita

Yongguk Lee

An organic electroluminescence device induing a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of a compound represented by formula (11), a compound represented by formula (21), a compound represented by formula (31), a compound represented by formula (41), a compound represented by formula (51), a compound represented by formula (61), a compound represented by formula (71) and a compound represented by formula (81). In the formula (1), at east one of Rto Ris a deuterium atom.

Organic electroluminescence device and electronic apparatus provided with the same

An organic electroluminescence device includes an emitting region provided between an anode and a cathode, in which the emitting region includes a first emitting layer and a second emitting layer, a ratio D/Dof a film thickness Dof the first emitting layer to a film thickness Dof the second emitting layer is in a range from 2/3 to 3/2, the first emitting layer contains a first host material and a first luminescent compound, the second emitting layer contains a second host material and a second luminescent compound, and the first host material is a compound represented by a formula (1) below having a group represented by a formula (10).

Organic electroluminescent element, electronic device, and compound

An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains one or both of the compound represented by the following formula (1A) and the compound represented by the following formula (1B) and a compound represented by any one of the specific formulas (11), (21), (31), (41), (51), (61), (71), and (81).

Organic electroluminescence device and electronic apparatus equipped with the same

A compound represented by the following formula (1) (In the formula (1), at least one of Rto Ris a deuterium atom; Aris a monovalent group represented by the following formula (2), (3) or (4)).

Compound, organic electroluminescence device, and electronic apparatus

A compound having structures represented by the following formulas (1) or (2): wherein in the formulas (1) and (2), at least one of Rto Ris a deuterium atom.

Compound, organic electroluminescence device and electronic apparatus

A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein Rto R, a to f, Lto L, and Ar are as defined in the description.

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

A compound represented by the following formula (1), provided that at least one of Rto Ris a deuterium atom; and at least one of Arand Aris a substituted or unsubstituted fused aryl group in which only four or more benzene rings are fused.

Compound, and organic electroluminescence device and electronic apparatus using the same

An organic electroluminescence device including: an anode, a cathode, and at least one emitting layer between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, the first host material is a compound having at least one deuterium atom, and the emitting layer contains the first host material in the proportion of 1% by mass or more.

Organic electroluminescence device and electronic apparatus

An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by each of formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of Rto Ris a deuterium atom.

An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises a compound represented by the following formula (1), and the first layer comprises a compound represented by the following formula (BE1):

An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by each of formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of Rto Ris a deuterium atom, and Aris a monovalent group represented by following formula (2), (3) or (4).

An organic electroluminescence device, comprising:

Organic electroluminescence device and electronic appliance using the same

An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):

An organic electroluminescence device includes: an anode; a cathode; a first emitting unit including a first emitting layer and a first hole transporting zone; a first charge generating layer; and a second emitting unit including a second emitting layer, in which the first emitting unit, the first charge generating layer, and the second emitting unit are provided between the anode and the cathode in this order from the anode, the first hole transporting zone is provided between the anode and the first emitting layer, the first emitting layer contains a compound represented by a formula (1) below, and a thickness dof the first hole transporting zone is 60 nm or less. In the formula (1): at least one of Rto Ris -L-Ar; Lto Lare each independently a single bond, an arylene group or the like; and Rto Rnot being -L-Arare each independently a hydrogen atom or the like.

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Sodegaura, Japan

Taro Yamaki