Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Yosuke Kasuya

Takahiko Kobayashi

Tsutomu Otsuka

Akihiko Endo

Kenta Tonosu

Satoshi Maeda

Shuichi Nishide

Kento Nakamura

Seiichi Takayama

Nobutaka Hara

Yuji Kando

A light-emitting device includes a base that is composed of a metal block that extends in a first direction, multiple light-emitting portions unaligned in the first direction and facing a front surface of the base, the multiple light-emitting portions including multiple light sources that extend in the first direction and that are supported by a support that extends in the first direction, and a handle that is formed below the front surface of the base and that is to be held by an operator with the base placed on a flat surface.

Light-emitting device and drawing apparatus

A light emitting device includes: a base that extends in one direction; plural light emitters that are disposed on a front surface side of the base so as to be displaced from each other in a direction intersecting the one direction and in each of which plural light sources that are arranged in the one direction are supported by a support that extends in the one direction; and a substrate that is provided so as to extend in the one direction on an inner side portion of each of the plural light emitters in the direction intersecting the one direction of the base and that drives the light emitter.

Light emitting device and drawing apparatus

A light emitting device includes: a base that extends in one direction and that is formed of a metal block; plural light emitters that are disposed on a front surface side of the base so as to be displaced from each other in the one direction and in each of which plural light sources that are arranged in the one direction are supported by a support that extends in the one direction; and a protective member that is provided at an end portion of the base in a direction intersecting the one direction, that is disposed on a lateral side of the plural light emitters so as to extend in the one direction, and that protects the plural light emitters from outside.

A light emitting device includes: a base that extends in one direction, and has an opening; plural light emitting units that are disposed to be displaced from each other in the one direction on the front surface side of the base, the light emitting units each including a support that extends in the one direction, and plural light sources that are disposed in the one direction on the support; and an air blowing unit that blows air toward the light emitting units through the opening.

Light emitting device and image forming apparatus

An image forming apparatus includes: an image carrier that extends in a first direction; a light emitter that includes a substrate that extends in the first direction, and multiple light-emitting devices that are disposed on the substrate and emit light to the image carrier; a positioning portion that is disposed between the substrate and the image carrier, and that fixes a position of the light emitter with respect to the image carrier in at least one direction perpendicular to a light emission direction; and an adjuster that is located to overlap the positioning portion when viewed in the first direction, and that adjusts a position of the light emitter in the light emission direction.

Image forming apparatus and exposure device

A light-emitting device includes: a first light-emitting unit that extends in one direction and that has a first emission surface that emits light located along the one direction; a second light-emitting unit that is located in the one direction with respect to the first light-emitting unit, that extends in the one direction, and that has a second emission surface that emits light located along the one direction; a cleaning unit that is capable of moving in the one direction and an opposite direction that is opposite to the one direction to clean the first emission surface; a transmission part that extends from the cleaning unit in the one direction and that transmits a moving force for moving the cleaning unit to the cleaning unit; and an extending part that extends from the transmission part in the one direction to elongate the transmission part. When the cleaning unit is positioned furthest in the opposite direction, an end of the extending part in the one direction is located further in the one direction than a midpoint between an end of the first light-emitting unit in the one direction and an end of the second light-emitting unit in the one direction.

Light-emitting device

A light-emitting device includes a base that extends in one direction; a light-emitting unit in which multiple light sources that are disposed in the one direction are supported by a supporting body that extends in the one direction and that is formed from a metal block; a spacer that is interposed between the base and the light-emitting unit in a direction of an optical axis of each light source; and a fixing unit that fixes the light-emitting unit to the base in a mode in which a compressive load is applied to the spacer.

An exposure device includes: at least one light emitter that includes a substrate and a light-emitting device disposed on the substrate; and a position adjuster that includes a contact member having an outer periphery in contact with the substrate, a support member that rotatably supports the contact member, and at least one mover that is in contact with the support member to move the support member in a light emission direction of the light emitter.

Exposure device and image forming apparatus

A light emitting device includes: a member having a first surface facing in one direction and a second surface facing an opposite side to the first surface; a light emitter that is disposed at the first surface, generates heat due to light emission, and has a lower stiffness than the member; and a heater that is disposed at the second surface of the member, and heats the member from the second surface.

Light emitting device, optical measurement apparatus, and image forming apparatus

A light emitting device, includes: a base plate extending in a first direction; multiple light emitting units arranged on a surface of the base plate while being shifted from each other in the first direction, and each including a support body extending in the first direction and multiple light sources supported on the support body while being arranged in the first direction; and a flow path disposed over the surface of the base plate to surround at least part of the light emitting units and allowing air to flow therethrough in the first direction.

Light emitting device and rendering device including a flow path

A light emitting device includes a resin housing that extends in one direction and holds a light emitting unit emitting light upward in a height direction intersecting the one direction, the housing having, on an upper side and a lower side of each of both end portions in the one direction, a positioned portion, which comes into contact with a positioning member in the height direction, and a biased portion, which receives a biasing force from a biasing unit biasing the housing to bring the positioned portion into contact with the positioning member, and a suppressing member that extends in the one direction and is fixed to the housing to suppress deformation of the housing, at least one end portion of the suppressing member in the one direction being interposed between the biased portion and the biasing unit.

Light emitting device, exposure device, and image forming apparatus

A light emitting device includes: a base plate extending in a first direction; a plurality of light emitting units arranged over a front surface of the base plate while being shifted from each other in the first direction, and each including a support body extending in the first direction and a plurality of light sources supported on the support body while being arranged in the first direction; a flow path disposed on a side of the base plate opposite to a side facing the light emitting units to feed air therethrough in the first direction; and a wire electrically connected to at least one of the plurality of the light emitting units, and disposed inside the flow path.

Light emitting device and rendering device

A light emitting device includes a light emitting unit in which a resin housing extending in one direction holds a light emitting element emitting light in a light emitting direction intersecting the one direction, a suppressing member that extends in the one direction and suppresses deformation of the housing caused by heat, the suppressing member having a linear expansion coefficient different from a linear expansion coefficient of the housing, and a fixing portion that fixes the housing and the suppressing member to each other at a position overlapping, in the light emitting direction, a neutral axis of the housing or the light emitting unit or a neutral axis of the suppressing member in the light emitting direction, at plural places separated away from each other in the one direction or in a state of extending in the one direction.

A light emitting device includes a light emitting unit including plural light emitting elements arranged in one direction, the light emitting unit being positioned at a predetermined position at both ends in the one direction, the light emitting elements emitting light in a same direction; a dynamic vibration absorber including a weight positioned at a center of the light emitting unit in the one direction and an elastic portion that supports the weight such that the weight is capable of vibrating, the dynamic vibration absorber being attached to the light emitting unit to absorb vibration of the light emitting unit; and an attaching member including a portion inserted in a groove formed in the elastic portion of the dynamic vibration absorber, the portion being used to attach the dynamic vibration absorber to the light emitting unit.

Light emitting device

An exposure device includes: a substrate that includes a plate-shaped main body that extends in one direction, a plurality of light emitting elements that are mounted on one surface of the main body, and a heating element that is mounted on the other surface of the main body generates heat in accordance with a light emitting operation of the light emitting elements; a housing that includes resin and that extends in the one direction, has a frame shape in which a through hole is formed, and to an inside of the through hole of which the substrate is fixed so that a thickness direction of the substrate is a penetrating direction of the through hole; and a suppression member that extends in the one direction, is fitted in the through hole, and suppresses thermal deformation of the housing.

Growing community of inventors

Kanagawa, Japan

Yosuke Kasuya