Canon Kabushiki Kaisha

Shoma Hinata

Jun Kamatani

Masato Tanaka

Hiroaki Sano

Yojiro Matsuda

Yota Ito

Masataka Kawahara

Tsutomu Nishida

Daisuke Miura

Tatsuya Yamaai

Takeshi Murakami

Jumpei Kuno

Hirofumi Kumoi

Akira Okita

Kaname Watariguchi

Kazumichi Sugiyama

Hiroyuki Tomono

Takashi Anezaki

Akihiro Maruyama

Isao Kawata

Akira Sakakibara

Yuto Ito

Hirotoshi Uesugi

Hidekazu Takahashi

Naoki Yamada

Yosuke Nishide

Hirokazu Miyashita

Yoshihito Harada

Kentaro Ito

Koji Ishizuya

Nobuo Kosaka

Kazuko Sakuma

Kazuko Araki

An organic light-emitting device includes, on an insulating layer, a first lower electrode, an upper electrode, and an organic compound layer disposed between the first lower electrode and the upper electrode, wherein the organic compound layer includes a first light-emitting layer, a second light-emitting layer disposed between the first light-emitting layer and the upper electrode, and a first organic compound layer disposed between the first light-emitting layer and the second light-emitting layer, the first organic compound layer includes a second organic compound layer containing an alkali metal, and a third organic compound layer disposed between the second organic compound layer and the upper electrode and containing a compound having a lowest unoccupied molecular orbital level energy of −5.0 eV or less, and an orthogonal projection of the first organic compound layer onto the insulating layer is smaller than an orthogonal projection of the first light-emitting layer onto the insulating layer.

Organic light-emitting device, display apparatus, photoelectric conversion apparatus, and electronic apparatus

A light emitting device including a first light emitting element disposed on a main surface of a substrate, and a first lens fixed to the substrate and overlapping a center of a first light-emission region of the first light emitting element in plan view in a direction perpendicular to the main surface. In the plan view in the direction perpendicular to the main surface, the center of the first light-emission region and a center of the first lens are separated from each other by a first distance in a direction parallel to the main surface.

Light emitting device, exposure system, imaging display device, imaging device, electronic device, and lighting device

The present disclosure provides an apparatus including a substrate including a surface, first to fourth elements that emit first light or second light, and first to fourth lenses, in which the relationship between the size of the emission area and the relative position of the lenses differs between the first light and the second light so that color misregistration due to the viewing angle is reduced.

Apparatus comprising emission areas with different relative positioning of corresponding lenses

A display apparatus includes a plurality of pixels arranged on a surface of a substrate, the plurality of pixels including a first pixel including a first sub-pixel that includes a first light emitting element and emits light of a first color and a second sub-pixel that includes a second light emitting element and emits light of a second color, a first lens disposed on a first light emitting area of the first light emitting element, and a second lens disposed on a second light emitting area of the second light emitting element. A vector from a center of the first light emitting area in plan view from a direction perpendicular to the main surface to an apex of the first lens differs from a vector from a center of the second light emitting area to an apex of the second lens in plan view from the direction.

Display apparatus, photoelectric conversion apparatus, and electronic apparatus

A light-emitting device includes: a substrate; a lens; and a light-emitting part provided between the substrate and the lens, wherein the lens has a convex curved surface portion on an opposite side to the substrate, in a first direction perpendicular to the substrate, the light-emitting part is more distant from the lens than a curvature center of the curved surface portion, when an apex of the curved surface portion in the first direction is referred to as a first position, and an end of the curved surface portion in a second direction in parallel with the substrate is referred to as a second position, and h represents a distance from the first position to the second position in the first direction, and r represents a distance from the first position to the second position in the second direction, h/r<0.95 is satisfied.

Light-emitting device, display device, imaging device, and electronic device, with substrate, lens including convex curved surface portion, and light-emitting part between surface of substrate and lens

The disclosure provides a light emitting device including a display element and an infrared light emitting element that are disposed on an insulating layer; and a reducer configured to reduce a quantity of light that is emitted in a direction of the display element from the infrared light emitting element in plan view from a direction perpendicular to the insulating layer.

Light emitting device

An organic compound represented by formula (1) and an organic compound represented by formula (2). These organic compounds provide high color purity.  In formulae (1) and (2), Rto Rare each independently selected from the group consisting of a hydrogen atom and a substituent.

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

An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a polyamide resin and a titanium oxide particle which is surface-treated with a compound represented by Formula (1): when a volume of the titanium oxide particles to a volume of the polyamide resin in the undercoat layer is a, and an average primary particle diameter of the titanium oxide particles is b [&#x3bc;m], the following Equation (A) is satisfied: Equation (A): 14.0&#x2264;a/b&#x2264;19.1; and the charge generation layer contains a charge generating material and a thermoplastic resin having a hydroxyl group and a hydroxyl number of 50 mgKOH/g or more.

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member including a support, a charge generation layer, a charge transport layer containing a charge transporting material, and a protective layer, in the order presented, wherein the charge transport layer contains a polycarbonate resin having a structure selected from a group A and a structure selected from a group B, and the protective layer includes a cured material of a composition containing a compound having at least a functional group selected from chain-polymerizable functional groups and sequential polymerizable functional groups.

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.

An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit.

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

An electrophotographic photosensitive member has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic photosensitive member and contains a polycarbonate resin having a structural unit selected from group A and a structural unit selected from group B.  

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

An electrophotographic photosensitive member has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic photosensitive member and contains a polycarbonate resin having a structural unit selected from group A and a structural unit selected from group B (groups A and B defined in the disclosure).

Growing community of inventors

Mishima, Japan

Shoma Hinata