Canon Kabushiki Kaisha

Samsung Electronics Co., Ltd.

Tetsuya Kosuge

Jun Kamatani

Naoki Yamada

Kengo Kishino

Yosuke Nishide

Hirokazu Miyashita

Shigemoto Abe

Akihito Saitoh

Takayuki Horiuchi

Akihiro Senoo

Ryota Ooishi

Hiroki Ohrui

Hiroyuki Tomono

Masumi Itabashi

Yoshikazu Saito

Mitsutoshi Noguchi

Masanori Muratsubaki

Tetsuo Takahashi

Satoshi Igawa

Satoru Shiobara

Taiki Watanabe

Shinjiro Okada

Masashi Hashimoto

Takao Takiguchi

Midori Kushida

Tsukasa Sano

Hironobu Iwawaki

Kentaro Ito

Chika Negishi

Kenichi Ikari

Satoshi Ota

Hiromitsu Kishi

Yoko Uetake

Akihiko Senoo

It is an object of the present invention to provide an aqueous ink for ink jet recording capable of recording a yellow image excellent in color developability and light resistance. An aqueous ink for ink jet recording contains a plurality of pigments and a resin dispersant. The plurality of pigments includes C.I. Pigment Yellow 74 and C.I. Pigment Yellow 138. A cumulative 50% particle diameter in volume-based particle size distribution of the C.I. Pigment Yellow 138 is 85 nm or less. A ratio of the cumulative 50% particle diameter in volume-based particle size distribution of the C.I. Pigment Yellow 138 to a cumulative 50% particle diameter in volume-based particle size distribution of the C.I. Pigment Yellow 74 is 0.72 times or less.

Aqueous ink, ink cartridge and ink jet recording method

A porous layer included in a transfer body for image recording by a heat transfer method has a multiple layer configuration, and porous layers are provided such that when a thickness (mm) of each porous layer from a porous layer P(1) of the plurality of porous layers on a side closest to the surface layer to a porous layer P(n) on a side closest to the substrate is set to t(n) (n&#x2265;2), and a total thickness of the transfer body is set to T (mm), Expression (1): C&#xd7;T&#x2264;t(1)+ . . . +t(n) (here, C=0.4, and T&#x2265;1) is satisfied.

Transfer body, image recording method and image recording apparatus

A transfer member for transfer-type image formation according to the present invention includes, in this order, a heat insulating layer, a heat storage layer and a top layer having an image formation surface, and satisfies Expressions 1 to 6: Expression 1: 0.5&#x2264;t&#x2264;1.5 (trepresents the thickness [mm] of the heat insulating layer), Expression 2: 0.05&#x2264;t&#x2264;0.50 (trepresents the thickness [mm] of the heat storage layer), Expression 3: t&#x2264;0.020 (trepresents the thickness [mm] of the top layer), Expression 4: &#x3bb;&#x2264;0.20 (&#x3bb;represents the thermal conductivity [W/(m&#xb7;K)] of the heat insulating layer), Expression 5: &#x3bb;&#x2265;0.23 (&#x3bb;represents the thermal conductivity [W/(m&#xb7;K)] of the heat storage layer), and Expression 6: C&#x2265;1.52 (Crepresents the volume specific heat [MJ/(m&#xb7;K)] of the heat storage layer).

Transfer member, image-forming method and image-forming apparatus

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

The transfer member for transfer-type inkjet recording of the present invention is formed so that a surface layer includes an organosiloxane compound having a polyalkylene oxide unit and the contact angle of water and the contact angle of hexadecane on the surface are 85&#xb0; or more and 110&#xb0; or less and 25&#xb0; or more and 50&#xb0; or less, respectively.

Transfer member for transfer-type inkjet recording, inkjet recording method and inkjet recording apparatus

An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.

Organic photoelectric conversion element, optical area sensor, imaging device, and imaging apparatus

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

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 bibenzo[d]imidazolidene compound inert to oxygen is provided. A 1,1',3,3&#x2032;-tetraphenyl-2,2&#x2032;-bibenzo[d]imidazolidene compound is represented by general formula (1). In formula (1), Rto Rare each independently selected from a hydrogen atom and a substituent. The substituent is any of a halogen atom, an alkyl group containing 1 or more and 8 or less carbon atoms, and a substituted or unsubstituted aryl group. At least one of Rto Ris the substituent. 

Organic compound, field element, organic light-emitting element, display apparatus, image information-processing apparatus, lighting apparatus, image-forming apparatus, and exposure apparatus

An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode, and the organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer, and touches the cathode. The organic compound layer contains an organic compound represented by the following general formula [1], where Rto Rrepresent substituents. 

Organic light emitting element and display device

An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode. The organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer and touches the cathode. The organic compound layer contains a bisimidazolidene compound represented by the following general formula [1], where Rto Rrepresent substituents. 

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Yokohama, Japan

Tetsuya Kosuge