Idemitsu Kosan Company, Limited

Keita Seda

Ryota Takahashi

Yuki Nakano

Hidetsugu Ikeda

Tomoki Kato

Peter Murer

Satomi Tasaki

Carsten Rothe

Taro Yamaki

Thomas Schaefer

Yuichiro Kawamura

Shota Sawano

Fabrice Eckes

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

A compound is represented by a formula (2) below and has at least one group represented by a formula (20) below. In the formula (2): m is 0, 1, 2, or 3, n is 0, 1, 2 or 3, and m+n is an integer of 1 or more.

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

An organic electroluminescence device comprising:

Organic electroluminescence device and novel compound

A compound represented by the following formula (1):

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

A compound represented by the following formula (1), wherein in the formula (1), at least one of Rto Ris a group represented by the following formula (2).

Compound and organic electroluminescence device

A compound having a structure represented by the following formulas (a) and (b):

This compound is represented by formula (1)

Compound, material for organic electroluminescence element using same, organic electroluminescence element, and electronic device

An organic electroluminescence device comprising: 

A compound represented by the following formula (1), wherein one or more pairs among Rand R, Rand R, Rand R, Rand R, Rand R, and Rand Rindependently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of Rto Ris bonded with L. 

Compounds for organic electroluminescence device

A compound represented by the formula (1) below. At least one set of two or more adjacent groups among Rto Rforms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of Rto Ris a group represented by the formula (3) below. 

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 a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of Rto Ris a deuterium atom. 

Disclosed is a compound useful as a material for an organic electroluminescence device with high luminous efficiency. A compound is represented by the following formula (1) or (2): 

To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (1) or (2): 

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Sodegaura, Japan

Keita Seda