Canon Kabushiki Kaisha

Japan Display Inc.

Nobutaka Mizuno

Yumi Takao

Junichi Imamiya

Takayuki Ito

Koichi Fukuda

Jun Kamatani

Naoki Yamada

Yosuke Nishide

Atsushi Hamaguchi

Hirotaro Kikuchi

Hiroshi Matsuda

Akihito Saitoh

Kiyofumi Sakaguchi

Nobuhiko Sato

Norifumi Kajimoto

Ryuji Ishii

Koichi Ishige

Masami Iseki

Masataka Yashima

Yojiro Matsuda

Satoru Shiobara

Masanori Yoshida

Kohei Nagayama

Toshinori Hasegawa

Naoto Nakamura

Takayuki Sumida

Yoshihito Tamaki

Masanori Muratsubaki

Masahiro Okuda

Yu Inagaki

Toshiyuki Matsuura

Katsunori Oya

Naoyuki Ito

Hirohito Yamaguchi

An apparatus comprising a sensor capable of generating a signal pair used in focus detection. The apparatus obtains, based on a defocus amount obtained using the signal pair, a focus distance of a lens unit that is mounted to the apparatus and adjusts a focus distance of the lens unit based on the obtained focus distance. When the lens unit is a multi-scopic lens unit having a plurality of optical systems having different axes, the apparatus obtains the focus distance using an adjustment value obtained based on an axis position that is a position on the sensor through which an axis of the multi-scopic lens unit passes.

Apparatus and method executed by apparatus

A lens apparatus attachable to and detachable from a camera body includes a reflective optical system, a memory configured to store aperture information based on an optical condition of the lens apparatus, and a transmitter configured to transmit the aperture information acquired from the memory to the camera body.

Lens apparatus, image pickup apparatus, control method of lens apparatus, and storage medium

An image pickup apparatus includes an image sensor including a pair of focus detection pixels configured to receive light beams that have passed through different areas in an exit pupil of an imaging optical system, and at least one processor caused to function as a focus detection unit configured to detect focus of the imaging optical system by using a pair of focus detection signals which is generated by using output signals from the pair of focus detection pixels. The focus detection unit can detect the focus in a plurality of spatial frequency bands. The focus detection unit acquires a focus detection result to be used in a spatial frequency band corresponding to an aberration amount of the imaging optical system, the spatial frequency band being included in the plurality of spatial frequency bands.

Image pickup apparatus

A lens apparatus includes an imaging optical system, a storage unit configured to store aperture information about the imaging optical system, and a transmission unit configured to transmit the aperture information to an imaging apparatus, wherein the aperture information is determined based on a shape parameter representing a shape of an aperture which defines an outer edge of a light flux passing through the imaging optical system.

Lens apparatus and calculation method

A focus detection apparatus comprising: an acquisition unit that acquires, for each color, a correction value for correcting a pair of focus detection signals of respective colors acquired from a color image sensor based on color sensitivity information unique to the color image sensor which includes a plurality of photoelectric conversion portions for each of a plurality of microlenses, and performing photoelectric conversion on light entering via an imaging optical system to output an electric signal; a correction unit that corrects each focus detection signal by using the correction value; a generation unit that processes the pair of corrected focus detection signals of the respective colors, and generates a pair of focus detection signals; and a focus detection unit that detects an evaluation value based on the pair of focus detection signals.

Focus detection apparatus and method, and image capturing apparatus

A focus detection apparatus that performs phase difference focus detection based on signals of a plurality of colors obtained from an image sensor, which is covered by color filters of the plurality of colors, that performs photoelectric conversion on light incident on the image sensor via an imaging optical system and outputs electric signals, the apparatus comprising: an acquisition unit that acquires an addition coefficient indicating weights to be applied to the signals of the plurality of colors on the basis of characteristic of chromatic aberration of magnification of the imaging optical system; a generation unit that generates a pair of focus detection signals by performing weighted addition on the signals of the plurality of colors using the addition coefficient; and a detection unit that detects an image shift amount between the pair of focus detection signals.

Provided is an organic light-emitting device capable of outputting light with high efficiency and high luminance. The organic light-emitting device includes an anode, a cathode, an emission layer placed between the anode and the cathode, and an organic compound layer placed between the anode and the emission layer, in which the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SPcarbon atoms and SPcarbon atoms, and having a ratio of the number of the SPcarbon atoms to the number of the SPcarbon atoms of 40% or more; and [Compound B] a compound having a tertiary amine structure.

Organic compound and organic light-emitting device

Provided is an organic electroluminescence element improved in emission efficiency. The organic electroluminescence element includes: a reflective electrode; a light exiting side electrode; an emission layer provided between the reflective electrode and the light exiting side electrode; and at least one low-refractive index layer provided between the reflective electrode and the emission layer, the low-refractive index layer having a refractive index lower than the refractive index of the emission layer. An optical path Lbetween the maximum emission surface of the emission layer and the reflection surface of the reflective electrode, and an optical path Lbetween the reflection interface on an emission layer side of the low-refractive index layer and the maximum emission surface of the emission layer satisfy specific expressions.

Organic electroluminescence element, image-forming apparatus, display apparatus, and imaging apparatus

Provided is an organic light emitting element having high light emitting efficiency. The organic light emitting element includes: an anode; a cathode; an emission layer placed between the anode and the cathode; and a hole transport layer formed between the anode and the emission layer, in which the hole transport layer contains a siloxane compound and a compound having a tertiary arylamine structure; and number of SPcarbon atoms in the hole transport layer is ten times or less number of silicon atoms in the hole transport layer.

Silsesquioxane compound, organic light emitting element, display apparatus, image information processing apparatus, and image forming apparatus

Provided is an organic light emitting device, including: a lower electrode; an upper electrode and a substrate having an electrode pad portion, in which when an angle formed by a slant in section of a film end in a region between the lower electrode and the electrode pad portion and a surface of the substrate is given as &#x3b8;, Formula (1) and Formula (2) are satisfied; and when an angle formed by a slant in section of a film end in at least a part of other regions than the region between the lower electrode and the electrode pad portion and the surface of the substrate is given as &#x3b8;, Formula (3) and Formula (4) are satisfied.tan(&#x3b8;)=&#x2003;&#x2003;(1)tan(&#x3b8;)&#x3c;0.2&#x2003;&#x2003;(2)tan(&#x3b8;)=&#x2003;&#x2003;(3)tan(&#x3b8;)&#x2267;0.2&#x2003;&#x2003;(4)

Organic light emitting device

Provided is an organic electroluminescence element, including: a light reflective electrode; a light transmissive electrode; an emission layer formed between the light reflective electrode and the light transmissive electrode; a low-refractive index layer having a refractive index at a maximum peak wavelength of an emission spectrum of light emitted from the emission layer lower than that of the emission layer, the low-refractive index layer being formed between the light reflective electrode and the emission layer; and a light extraction member for changing an exiting direction of the light emitted from the emission layer, the light extraction member being formed on the light transmissive electrode, in which an optical path L between a maximum emission surface of the emission layer and the light reflective electrode satisfies a specific expression.

Organic electroluminescence element, display apparatus, image processing apparatus, lighting apparatus, and image forming apparatus

An organic electroluminescent (EL) display includes a plurality of organic EL devices for red, green, and blue subpixels, each including a first electrode on a light output side, a second electrode opposite the first electrode, and an organic compound layer including a light-emitting layer therebetween. The organic EL devices have a resonator structure between a first reflective surface closer to the first electrode than the organic compound layer and a second reflective surface closer to the second electrode than the organic compound layer. A predetermined white color is displayed by mixing the three colors such that an optical distance of the organic EL devices of each color between an emission position in the light-emitting layer and the second reflective surface is set within &#xb1;10% from an optical distance corresponding to an nth-order minimum of a curve of required current density against at least the optical distance.

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Tokyo, Japan

Nobutaka Mizuno