Canon Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Samsung Electronics Co., Ltd.

Takayuki Horiuchi

Jun Kamatani

Naoki Yamada

Akihito Saitoh

Kengo Kishino

Hirokazu Miyashita

Tetsuya Kosuge

Yosuke Nishide

Shigemoto Abe

Masashi Hashimoto

Satoshi Igawa

Naofumi Shimomura

Shinjiro Okada

Minako Nakasu

Satoru Kobayashi

Tsuyoshi Furuse

Kenichi Ikari

Shoji Shiba

Masanori Yoshida

Hiroyuki Tomono

Chiaki Nishiura

Kousuke Yamasaki

Hiromitsu Kishi

Katsuhiro Hayashi

Akemi Watanabe

Naotoshi Miyamachi

Tsuyoshi Kasai

Hiroya Nitta

Otome Yamashita

Yoko Uetake

Toshihiro Omagari

Shuichiro Tanimoto

Masaru Ebine

A liquid composition that is an aqueous liquid composition that emits light when irradiated with ultraviolet light contains a resin particle, the resin particle containing a unit that has a polar group and containing a complex composed of a sulfur-bridged calixarene and a lanthanoid ion, the polar group being at least one selected from the group consisting of an ester group, a carboxy group, a hydroxy group, an ether group, an amino group, an amide group and a cyano group.

Aqueous liquid composition and aqueous ink

An organic light emitting element which realizes a high efficiency and long-life light emission is provided. An organic compound represented by the general formula [1] described in Claimis provided. In the general formula [1], Rto Rare each independently selected from a hydrogen atom, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group. However, at least one of Rto Rrepresents the aryl group or the heterocyclic group. The aryl group represents a phenyl group, a naphthyl group, a phenanthrenyl group, a fluorenyl group, a triphenylenyl group, or a chrysenyl group. The heterocyclic group represents a dibenzofuranyl group or a dibenzothienyl group.

Triphenyleno-benzohuran compound and organic light emitting element including the same

The present invention provides an aqueous ink of active energy ray curable type for ink jet. The aqueous ink contains resin particles and a photo acid generator. The resin particles include a reactive group-containing resin having at least one reactive group selected from the group consisting of an epoxy group, an oxetanyl group and a vinyl ether group. Further provided are an ink cartridge and an ink jet recording method in which the aqueous ink is used.

Aqueous ink, ink cartridge and ink jet recording method

The present invention provides a novel iridium complex and an organic light-emitting device including the novel iridium complex. The novel iridium complex includes three ligands, and two of them have a phenyl-naphtho[2,1-f]isoquinoline skeleton. The present invention also provides a display apparatus including the organic light-emitting device and an electrophotographic image-forming apparatus including a light source including the organic light-emitting device and including a photosensitive member.

Iridium complex and organic light-emitting device including the same

Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.

Organic light-emitting element and display apparatus

An aqueous ink for ink jet, the aqueous ink containing a pigment and a resin. The pigment is impregnated with a compound having a structure in which at least two structures each represented by General Formula (1) are bonded by a glycoside bond. 

Aqueous ink, ink cartridge, and ink jet recording method

Provided is an organic light-emitting element improved in luminous efficiency and lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a heterocycle-containing compound of a specific structure.

Organic light-emitting element

An aqueous ink for ink jet including a resin particle. The resin particle has a first layer and a second layer in this order from the inside toward the outside of the resin particle. The first layer is formed of a first resin in which the proportion of a unit derived from a cycloaliphatic-group-containing ethylenically unsaturated monomer is 10% by mass or less. The tetrahydrofuran-insoluble fraction of the second layer is 15% by mass or more. The second layer is formed of a second resin having the unit derived from the cycloaliphatic-group-containing ethylenically unsaturated monomer and a unit derived from an ionic-group-containing ethylenically unsaturated monomer. The proportion of the unit derived from the ionic-group-containing ethylenically unsaturated monomer in the second resin is 3% by mass or more to 70% by mass or less.

Provided is an organic light-emitting device improved in emission efficiency and lifetime. The organic light-emitting device includes a pair of electrodes and an organic compound layer disposed between the pair of electrodes, in which: the organic compound layer includes a benzo[f]isoquinoline iridium complex of a specific structure and a hydrocarbon compound of a specific structure; and the hydrocarbon compound is a compound formed only of an SPcarbon atom and a hydrogen atom.

Organic light-emitting device and display apparatus

Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime, the organic light-emitting element including an anode, a cathode, and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes a host and a guest; the host is an aromatic hydrocarbon compound; the guest is an iridium complex of a specific structure; and a content of the host is 50 wt % or more with reference to the total amount of the constituent materials for the emission layer.

Organometallic complex and organic light-emitting element using the complex

Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime. Specifically, provided is an organic light-emitting element, including: an anode; a cathode; and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes at least a host and a guest; the guest is an iridium complex of a specific structure; the host is a heterocycle-containing compound; and a content of the host is 50 wt % or more with reference to a total amount of constituent materials for the emission layer.

A novel organic compound having high stability is provided. The organic compound is represented by Formula (1) described in claim In Formula (1), Rand Reach independently selected from a hydrogen atom, Substituent group A, and Substituent group B shown in claim, wherein at least one of Rand Ris selected from Substituent group A or Substituent group B; and Rand Rof a substituent belonging to Substituent group A are each independently selected from Substituent group B.

Organic compound and organic light-emitting device and display apparatus having the same

An aqueous ink for ink jet including a resin particle. The resin particle includes a first layer and a second layer in this order from the inside to the outside thereof. The first layer is composed of a first resin, wherein the proportion of a unit derived from an aromatic-group-containing ethylenically unsaturated monomer in the first resin is 10% by mass or less. The second layer has a tetrahydrofuran-insoluble fraction of 10% by mass or more and is composed of a second resin having a unit derived from an aromatic-group-containing ethylenically unsaturated monomer and a unit derived from an ionic-group-containing ethylenically unsaturated monomer, wherein the proportion of the unit derived from the ionic-group-containing ethylenically unsaturated monomer in the second resin is 3% by mass or more to 70% by mass or less.

Provided is a long-lifetime organic light-emitting element having a good device lifetime characteristic. The organic light-emitting device includes: a pair of electrodes; and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a specific structure and a different kind of metal complex.

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Tokyo, Japan

Takayuki Horiuchi