Canon Kabushiki Kaisha

Yuto Ito

Isao Kawata

Kenji Yamada

Satoshi Igawa

Wataru Kubo

Jun Kamatani

Naoki Yamada

Hirokazu Miyashita

Koichi Nakata

Shinji Takagi

Masataka Kawahara

Tsutomu Nishida

Ryuji Higashi

Kaname Watariguchi

Satoru Shiobara

Haruki Mori

Jumpei Kuno

Shoma Hinata

Koichi Suzuki

Tetsuo Takahashi

Akira Tsuboyama

Takeshi Murakami

Akihito Saitoh

Toshiki Ito

Yosuke Nishide

Kunihiko Sekido

Michiyo Sekiya

Hironobu Iwawaki

Weijun Liu

Hiroki Ohrui

Masaki Nonaka

Timothy Brian Stachowiak

Norifumi Kajimoto

Fen Wan

Itaru Takaya

Masashi Nishi

Kei Tagami

Masumi Itabashi

Hajime Muta

Tomona Yamaguchi

Shubun Kujirai

Hirofumi Kumoi

Kazuko Sakuma

Kazuko Araki

Moe Takahira

Tomokazu Tsuji

An organic metal complex represented by formula (1) and having a ligand represented by formula (2).MLL'L″  (1) In formula (1), M represents a transition metal, and L, L', and L″represent ligands different from each other. In formula (2), Rto Rare each independently selected from the group consisting of a hydrogen atom and a substituent. X is selected from the group consisting of CRR', SiRR′, S, SO, and SO. Yto Yare each independently selected from the group consisting of a carbon atom and a nitrogen atom. When Yto Yare carbon atoms, each of the carbon atoms may be bound to a carbon atom adjacent to the carbon atom to form a ring structure.

Organic metal complex, organic light-emitting device including the same, display apparatus, imaging apparatus, electronic apparatus, illumination apparatus, and moving object

A curable composition containing a polymerizable compound (a), a photopolymerization initiator (b), and a solvent (c), wherein the curable composition has viscosity of not less than 2 mPa·s and not more than 60 mPa·s at 23° C., a content of the solvent (d) with respect to the whole curable composition is not less than 5 vol % and not more than 95 vol %, a boiling point of the solvent (d) at normal pressure is less than 250° C., and the polymerizable compound (a) contains a compound (a-1) containing not less than one aromatic ring or aromatic heterocycle, and not less than four vinyl groups directly bonding to the aromatic ring or the aromatic heterocycle.

Curable composition, film forming method and article manufacturing method

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

As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the cathodic EC compound has a substituent containing any one element selected from halogens, sulfur, boron, phosphorus, and silicon.

Electrochromic element, optical filter, lens unit, image pickup apparatus, and window member

As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the difference between a solvation free energy of a reduced form of the cathodic EC compound in propylene carbonate and a solvation free energy of the reduced form in octanol is &#x2212;35 kcal/mol or less.

An organic light emitting element includes, in sequence, an anode, a first light emitting layer, a second light emitting layer, and a cathode. The first light emitting layer includes a first compound and a first light emitting material. The second light emitting layer includes a second compound and a second light emitting material having an energy gap different from an energy gap of the first light emitting material. The organic light emitting element satisfies relations (a) to (c).LUMO(1)&#x3e;LUMO(1)&#x2003;&#x2003;(a)LUMO(2)&#x3e;LUMO(2)&#x2003;&#x2003;(b)LUMO(2)&#x2212;LUMO(2)&#x3e;LUMO(1)&#x2212;LUMO(1)&#x2003;&#x2003;(c)Where LUMO (H1), LUMO (D1), LUMO (H2), and LUMO (D2) represent a LUMO level of the first compound, a LUMO level of the first light emitting material, a LUMO level of the second compound, and a LUMO level of the second light emitting material, respectively.

Organic light emitting element, comprising at least first and second light emitting layers with satisfying lowest unoccupied molecular orbital (LUMO) and highest occupied molecular orbital (HOMO) relations

An organic compound represented by the following general formula is provided.  In the above formula (1), Rto Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom provided that at least one of R, R, and Rrepresents the alkoxy group or the aryloxy group; and Rto Rmay form a ring structure therebetween. Rand Reach independently represent an alkyl group, an aryl group, or an aralkyl group. In addition, Rto Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom and may form a ring structure therebetween. The above groups except the acyl group may be substituted when necessary.

Organic compound, electrochromic element containing the same, optical filter, lens unit, imaging device, and window material

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

Provided are an electrophotographic photosensitive member including a support and a photosensitive layer above the support, in which a surface layer of the electrophotographic photosensitive member includes a polymerization product of a composition containing a specific hole transporting compound, and an electrophotographic apparatus and a process cartridge including the electrophotographic photosensitive member. Also provided is a method of producing the electrophotographic photosensitive member, including (i) forming a coating film of a coating solution for a surface layer which is a composition containing a specific hole transporting compound, and (ii) forming the surface layer of the electrophotographic photosensitive member by a polymerization reaction of the composition containing the specific hole transporting compound.

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member

An electrophotographic photosensitive member has a surface layer that contains a polymer of a hole transport material having at least one monovalent polymerizable functional group. The hole transport material is represented by Formula (1) where n is an integer of 1 to 5, Zis represented by Formula (2) Zis a hydrogen atom or the group represented by Formula (2), and the monovalent polymerizable functional group is represented by Formula (3) 

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member

An electrophotographic photosensitive member includes a support member, a charge generating layer containing a phthalocyanine pigment as a charge generating material, a charge transport layer containing a charge transporting material in this order. The charge generating layer has a thickness of less than 200 nm, and the phthalocyanine pigment includes phthalocyanine crystalline particles having a particle size distribution and satisfies a requirement that the volume average of the products of &#x3a6;i and &#x3a8;i is 0.31 or more.

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

An organic compound represented by the following general formula is provided.  In the above formula (1), Rto Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom provided that at least one of R, R, and Rrepresents the alkoxy group or the aryloxy group; and Rto Rmay form a ring structure therebetween, Rand Reach independently represent an alkyl group, an aryl group, or an aralkyl group. In addition, Rto Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom and may form a ring structure therebetween. The above groups except the acyl group may be substituted when necessary.

An electrophotographic photosensitive member includes a substrate and a photosensitive layer containing a phthalocyanine pigment. The crystalline particles of the phthalocyanine pigment have a crystallite correlation length r and a particle size R of 400 nm or less, and a parameter k defined by r/R is in the range of 0.17 to 0.42.

Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment

The present invention provides an electrophotographic photosensitive member that allows positive ghost to be reduced even in repeated use. The electrophotographic photosensitive member of the present invention is an electrophotographic photosensitive member wherein an undercoat layer contains a polymerization product of a composition including a compound represented by the following formula (1). 

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

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Koganei, Japan

Yuto Ito