Canon Kabushiki Kaisha

Satoru Shiobara

Jun Kamatani

Yosuke Nishide

Hirokazu Miyashita

Naoki Yamada

Hiroki Ohrui

Tetsuo Takahashi

Masumi Itabashi

Tomona Yamaguchi

Hironobu Iwawaki

Koichi Suzuki

Akira Tsuboyama

Yojiro Matsuda

Norifumi Kajimoto

Itaru Takaya

Kenichi Ikari

Haruna Iida

Nobuhiko Sato

Kazunori Ueno

Tomoyuki Hiroki

Taro Endo

Toshifumi Mori

Takayuki Ito

Tetsuya Kosuge

Kentaro Ito

Koji Ishizuya

Taiki Watanabe

Masanori Muratsubaki

Isao Kawata

Yuto Ito

Koichi Ishige

Moe Takahira

Kiyofumi Sakaguchi

Takashi Moriyama

Akihiro Senoo

Kengo Kishino

Takayuki Sumida

Nobutaka Mizuno

Kei Tagami

Manabu Otsuka

Satoshi Ota

Nozomu Izumi

Yohei Iwasaki

Shunsuke Shioya

Tomokazu Kotake

Akihiko Senoo

An organic compound, represented by formula [1] or [2], suitably used for a thermally activated delayed fluorescent device:

Organic compound and organic light-emitting device

An organic compound represented by formula [1]: where Rto Rare each independently selected from the group consisting of a hydrogen atom and substituents, wherein at least one of Rto Rand Rto Ris an amino group or an amino group-containing group, and X is oxygen, sulfur, selenium, tellurium, or a CRRgroup, wherein Rand Rare each independently selected from the group consisting of a hydrogen atom and substituents.

A photoelectric conversion element including an anode, a cathode, and a photoelectric conversion layer, wherein the photoelectric conversion layer contains a first organic compound and a second organic compound, and difference between oxidation potential of first organic compound and reduction potential of second organic compound is larger than 1.5 [V], and the first organic compound is any one of general formulae [1] below, a fluoranthene derivative, and a metal complex, Rrepresents a hydrogen atom or a substituent, Ar, Ar, and Zrepresents a substituent, nand nrepresents an integer of 0 to 4, and Xto Xrepresents a nitrogen atom, a sulfur atom, an oxygen atom, or a carbon atom.

Photoelectric conversion element, image pickup element, and image pickup apparatus

An organic compound represented by formula [1]: where in formula [1], Rto Rare each independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, and other substituents having a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, at least one of Rto Ris one of the other substituents, at least any one of Rand Ris a hydrogen atom or a hydrocarbon group, at least any one of Rand Ris a hydrogen atom or a hydrocarbon group, and at least any one of Rand Ris a hydrogen atom.

Organic compound, organic light-emitting element, display apparatus, photoelectric conversion apparatus, electronic apparatus, lighting device, and moving object

An organic light emitting device including, in sequence, an anode, a light emitting layer, a first electron transport layer, a second electron transport layer, and a cathode, wherein the second electron transport layer includes a first material and a second material different from the first material, and the first electron transport layer includes a third material and a fourth material different from the third material.

Organic light emitting device, and display apparatus, photoelectric conversion apparatus, electronic apparatus, illumination apparatus, and moving object including the same

An organic compound represented by formula [1] is provided. Ring A is a polycyclic aromatic hydrocarbon ring having a fluoranthene skeleton and having 16 to 60 carbon atoms and optionally has, as a substituent, a substituted or unsubstituted alkyl group or the like. Rings Band Bare aromatic hydrocarbon rings having 6 to 18 carbon atoms and each have two or more electron withdrawing groups. Qand Qrespectively represent one of the electron withdrawing groups of the ring Band one of the electron withdrawing groups of the ring B, and are respectively located at an ortho position of the ring Band at an ortho position of the ring Bwith respect to the ring A.

Organic compound, organic light-emitting element, display apparatus, photoelectric conversion apparatus, electronic apparatus, lighting apparatus, moving object, and exposure light source

An organic EL device includes at least an anode, a first light-emitting layer, an intermediate layer, a second light-emitting layer, and a cathode in this order. The intermediate layer is adjacent to the first light-emitting layer and the second light-emitting layer. The first light-emitting layer and the second light-emitting layer can trap electrons. A material constituting the intermediate layer is a hydrocarbon that has a HOMO level equal to or lower than the HOMO level of a host of the first light-emitting layer and that has a high Slevel.

Organic EL device as well as display apparatus, image pickup apparatus, communication apparatus, lighting apparatus, luminaire, and moving body each including the same

An organic light emitting device including, in sequence, a first electrode, a first charge transport layer, a second charge transport layer in contact with the first charge transport layer, a light emitting layer in contact with the second charge transport layer, and a second electrode, wherein the first charge transport layer includes a first material and a second material, the second charge transport layer includes the second material and a third material, and the light emitting layer includes the third material and a fourth material.

An organic compound represented by formula [1]. In the formula rings Q represented by formula [1-1] are each independently present at positions *1 and *2 such that positions * of the rings Q correspond to the positions *1 and *2. The rings Q may be the same or different. Rand Rrepresent groups each independently selected from the group consisting of a hydrogen atom and a substituted or unsubstituted aryl group. The rings Q are aromatic hydrocarbons. Rto Rrepresent groups each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a cyano group. At least one of Rto Rrepresents a cyano group.

Organic compound and organic light-emitting element

An organic compound represented by formula [1]. The compounds are of the class of diacenaphthochrysene compound, useful as organic light emitting device. In the formula [1], Rto Rare each independently selected from the group consisting of a hydrogen atom and a substituent.

An organic compound represented by formula (1). In the formula (1), Rto Rare each independently selected from the group consisting of a hydrogen atom and a substituent. At least one of Rto Rrepresents a substituent. The substituent is an aryl group having at least one cyano group or a heterocyclic group having at least one cyano group.

Organic compound, organic light-emitting element, display apparatus, image pickup apparatus, lighting apparatus, and moving object

Provided is a photoelectric conversion element including an anode, a photoelectric conversion layer that contains a first organic semiconductor, a second organic semiconductor, and a third organic semiconductor, and a cathode. As each of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor, a low-molecular weight organic semiconductor is used. The first organic semiconductor, the second organic semiconductor, and the third organic semiconductor have mass ratios that satisfy the following relationship: the first organic semiconductor&#x2265;the second organic semiconductor&#x2265;the third organic semiconductor. Further, when a total amount of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor is 100 mass %, a content of the second organic semiconductor is 6 mass % or more, and a content of the third organic semiconductor is 3 mass % or more.

Photoelectric conversion element

An organic photoelectric conversion element includes an electron-collecting electrode, a hole-collecting electrode, and a photoelectric conversion portion which is disposed between the electron-collecting electrode and the hole-collecting electrode. The photoelectric conversion portion includes a first organic compound layer. A second organic compound layer is disposed between the hole-collecting electrode and the photoelectric conversion portion. The first organic compound layer contains a first compound having at least a fullerene skeleton and a second compound having a fluoranthene skeleton.

Organic photoelectric conversion element, optical area sensor, image pickup device, and image pickup apparatus

The present disclosure provides an organic compound expressed by the following General Formula 1:  In General Formula 1, a partial structure Z1 represents a condensed polycyclic group that may include a nitrogen atom in a skeleton, and that includes at least one of a five-membered ring and a six-membered ring. The partial structure Z1 may include, as a substituent, a carbonyl group, a dicyanovinylidene group, a halogen atom, a cyano group, an alkyl group, an alkoxy group, an aromatic heterocyclic group, or an aryl group. Rand Rrepresent an alkyl group, aryl group, an aromatic heterocyclic group, a halogen group, or a cyano group. Arrepresents an arylene group or a divalent aromatic heterocyclic group, and Arand Arrepresent an aryl group or an aromatic heterocyclic group. n represents an integer of 1 to 4.

Organic compound and organic photoelectric conversion element including the same

Growing community of inventors

Funabashi, Japan

Satoru Shiobara