Idemitsu Kosan Company, Limited

Joled Inc.

Sayaka Mizutani

Takayasu Sado

Masahiro Kawamura

Kazuki Nishimura

Masato Nakamura

Hirokatsu Ito

Yuichiro Kawamura

Masakazu Funahashi

Yumiko Mizuki

Hiroshi Yamamoto

Hitoshi Kuma

Emiko Kambe

Hiroyuki Saito

Yukitoshi Jinde

Kei Yoshida

Ryota Takahashi

Masatoshi Saito

Masato Mitani

Yoshinori Aoyama

Hiroki Ishida

An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), Xto Xare a nitrogen atom or CR, and A is represented by a formula (2) below. In the formula (2), Lis s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Yis an oxygen atom, a sulfur atom or the like, and one of Xto Xis a carbon atom bonded to Lby a single bond and the rest of Xto Xare a nitrogen atom or CR.

Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element

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

An organic electroluminescence device includes: a cathode; an anode; and an organic layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer, and the emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below. The second host material is a compound represented by a formula (4) below.

Organic electroluminescence device and electronic device

An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), Xto Xare a nitrogen atom or CR, and A is represented by a formula (2) below. In the formula (2), Lis s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Yis an oxygen atom, a sulfur atom or the like, and one of Xto Xis a carbon atom bonded to Lby a single bond and the rest of Xto Xare a nitrogen atom or CR. 

An organic electroluminescence device including: an anode; a cathode; two or more emitting units that are disposed between the anode and the cathode, each unit having an emitting layer; and a charge-generating layer that is disposed between the emitting units, wherein the charge-generating layer includes an N layer nearer to the anode and a P layer nearer to the cathode, and the N layer includes a compound represented by the following formula (I) or (II): 

Organic electroluminescent device

A compound is represented by a formula (1) below. In the formula (1), Xto Xeach independently represent a carbon atom to be bonded to a group represented by the following formula (20), CRor a nitrogen atom. At least one of Xto Xis a carbon atom to be bonded to the group represented by the following formula (2). Ris each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, or the like. 

Compound, organic electroluminescence device material, organic electroluminescence device and electronic device

An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), Xto Xare a nitrogen atom or CR, and A is represented by a formula (2) below. In the formula (2), Lis s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Yis an oxygen atom, a sulfur atom or the like, and one of Xto Xis a carbon atom bonded to Lby a single bond and the rest of Xto Xare a nitrogen atom or CR 

An organic electroluminescence device including: an anode; one or more organic thin film layers including an emitting layer; a donor-containing layer; an acceptor-containing layer; and a light-transmissive cathode in this order, wherein the donor-containing layer comprises a compound represented by the following formula (I) or (II): 

Organic electroluminescence device

An aromatic amine derivative represented by the following formula (1): wherein at least one of Rto Ris a group other than a hydrogen atom, Arto Arare a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.

Aromatic amine derivative and organic electroluminescent element using same

An aromatic heterocyclic derivative is represented by a formula (1) below. In the formula (1), Xto Xeach are a nitrogen atom or CR, with a proviso that at least one of Xto Xis a nitrogen atom. A is represented by a formula (2) and B is represented by a formula (4) below. 

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Sodegaura, Japan

Sayaka Mizutani