Abstract: Provided is a method of simply producing high-quality graphite oxide. The present invention relates to a method of producing a carbon material composite containing graphite oxide and at least one surfactant selected from the group consisting of a nonionic surfactant, a cationic surfactant, and an amphoteric surfactant, the method including: oxidizing graphite; mixing an aqueous dispersion obtained through the oxidizing, the aqueous dispersion containing graphite oxide dispersed therein, and the at least one surfactant selected from the group consisting of a nonionic surfactant, a cationic surfactant, and an amphoteric surfactant; and purifying the carbon material composite.

Abstract: A image file creation method includes: an image pickup step of picking up an image of a living body; a treatment detection step of detecting a treatment related to the living body; and an image file creation step of creating, according to a result of the detection in the treatment detection step, an image file, for image data obtained in the image pickup step, with specimen information including information indicating that the image is an image relating to specimen collection by the treatment related to the living body, to record data of, e.g., an image of a tissue such as a cell itself and data of, e.g., an image related to the tissue such as the cell, a treatment and/or collection, enabling a plurality of institutions, facilities, etc., to easily refer to information on the tissue such as the cell.

Abstract: According to an aspect of the invention, an imaging apparatus includes an imaging section, a user's operation detecting circuit, a control circuit, and an image processing circuit. The imaging section is configured to capture images of an object at different imaging positions and output image signals based on the images. The user's operation detecting circuit is configured to detect a user's operation. The control circuit is configured to change an image display range in accordance with the user's operation, and cause the imaging section to capture the images at the different imaging positions in accordance with the changed image display range. The image processing circuit is configured to generate image data using the image signals acquired at the imaging positions. The image data corresponds to an area of the image display range changed by the user's operation.

Abstract: A image file creation method includes: an image pickup step of picking up an image of a living body; a treatment detection step of detecting a treatment related to the living body; and an image file creation step of creating, according to a result of the detection in the treatment detection step, an image file, for image data obtained in the image pickup step, with specimen information including information indicating that the image is an image relating to specimen collection by the treatment related to the living body, to record data of, e.g., an image of a tissue such as a cell itself and data of, e.g., an image related to the tissue such as the cell, a treatment and/or collection, enabling a plurality of institutions, facilities, etc., to easily refer to information on the tissue such as the cell.

Abstract: An observation apparatus is equipped with a housing including a top plate that is a stage on which a container that accommodates a sample is placed; an optical system accommodated in the housing; an imaging device configured to capture an image of the sample with light from the sample that has entered through the stage and the optical system; and a motor that is a power source of a moving mechanism configured to make the optical system move in a direction along the stage. At least one of the imaging device or the motor is placed outside the housing.

Abstract: A microscopy system includes a microscope apparatus that has an objective and a correction device correcting for a spherical aberration, and a refractive index calculator that calculates a refractive index of a sample at a target position in the sample on the basis of a plurality of target set values each of which is a set value of the correction device and each of which corresponds to an amount of spherical aberration that occurs in the microscope apparatus when an observation target plane is situated at a different position in the sample in an optical-axis direction of the objective.

Abstract: According to one embodiment, a lighting device includes a light source, and at least one light distribution control member configured to control distribution of light from the light source. The light distribution control member includes a base member higher in refractive index than air, and two optical control layers located opposite each other with a predetermined space therebetween on either side of the base member. The two optical control layers each includes a first region and a second region formed in correlative patterns. The light distribution control member is configured to control the light distribution based on a change of an overlap between the first and second regions depending on a direction of transmitted light.

Abstract: According to one embodiment, a lighting device includes a base member, a light source on the base member, a light-transmitting cover configured to cover the light source and to emit light emitted from the light source to the outside, and a light guide body provided opposite the light source and configured to guide, to the rear of the light source, at least part of the light from the light source. The cover includes a back light-transmitting region having a plane-normal line directed rearwardly. The light guide body includes a light-incident portion facing the light source and a light guide-emitting portion curvedly extending outward from the light-incident portion, having a distal end portion extending along the back light-transmitting region and directed to the rear.

Abstract: According to one embodiment, a lighting device includes a light source, and at least one light distribution control member configured to control distribution of light from the light source. The light distribution control member includes a base member higher in refractive index than air, and two optical control layers located opposite each other with a predetermined space therebetween on either side of the base member. The two optical control layers each includes a first region and a second region formed in correlative patterns. The light distribution control member is configured to control the light distribution based on a change of an overlap between the first and second regions depending on a direction of transmitted light.

Abstract: According to one embodiment, a lighting device includes a light source with a directivity and a light-transmitting cover including a light-transmitting area configured to emit light from the light source to the outside. The light-transmitting cover is in a dome shape and formed of a material doped with scattered fillers dispersed in a volume thereof. The light-transmitting cover includes a vertically elongated shape with an aspect ratio higher than 0.6, and having a transmittance of 70% or less. The aspect ratio is the quotient of a height of the light-transmitting area in an optical axis thereof divided by the width of a rear-end portion of the light-transmitting area.

Abstract: According to one embodiment, a lighting device includes a radiation surface, at least one light source provided to face the radiation surface, and an optical control member provided between the radiation surface and the light source and includes optical characteristics of transmission, diffraction, diffusion, and reflection, which vary for regions in the optical control member, a distribution of each of the optical characteristics being determined by positions relative to the at least one light source. The optical control member is formed in a sheet shape which is controlled by at least one of a reflective film having a reflection factor distribution, and a reflective film having a numerical aperture distribution, and lenses.

Abstract: According to one embodiment, a lighting device includes a base member, a light source on the base member, a light-transmitting cover configured to cover the light source and to emit light emitted from the light source to the outside, and a light guide body provided opposite the light source and configured to guide, to the rear of the light source, at least part of the light from the light source. The cover includes a back light-transmitting region having a plane-normal line directed rearwardly. The light guide body includes a light-incident portion facing the light source and a light guide-emitting portion curvedly extending outward from the light-incident portion, having a distal end portion extending along the back light-transmitting region and directed to the rear.

Abstract: According to one embodiment, a lightning device includes a base member, a light source on the base member, a light guide body configured to guide at least part of light forwardly emitted from the light source. The light guide body includes an incident portion covering the front of at least the part of the light source, a bent light guide portion outwardly bent from the incident portion and configured to curvedly guide incident main light to the outside, and a light-emitting surface located on the distal end of the bent light guide portion, directly exposed to the outside of the device, and configured to emit the curvedly guided light laterally or rearwardly relative to the light source.

Abstract: According to one embodiment, a lighting device includes a radiation surface, at least one light source provided to face the radiation surface, and an optical control member provided between the radiation surface and the light source and includes optical characteristics of transmission, diffraction, diffusion, and reflection, which vary for regions in the optical control member, a distribution of each of the optical characteristics being determined by positions relative to the at least one light source. The optical control member is formed in a sheet shape which is controlled by at least one of a reflective film having a reflection factor distribution, and a reflective film having a numerical aperture distribution, and lenses.

Abstract: According to one embodiment, a lighting device includes a light source, and a semi-transmissive reflection layer opposing the light source. The semi-transmissive reflection layer includes a pattern including transmitting portions or reflecting portions. The pattern includes a pattern formed of the transmitting portions each having a hole conformation in a region to which a high volume of light form the light source incident, and a pattern formed of the reflection portions each having a dot conformation in a region to which a low volume of light form the light source incident.

Abstract: According to one embodiment, an lighting apparatus includes a base member, a light source configured to emit visible light, and a translucent cover including a translucent region which covers at least a front surface of the light source and emits the light emitted from the light source to the outside. The light source is provided on a front surface flat section of the base member, a luminous intensity of the light emitted from the light source has a directionality which is strong in a normal direction of the front surface flat section and becomes zero on a rear surface side. The translucent cover includes a domed shape having a maximum diameter at a position higher than a height of the position where the light source is arranged, and a transmittance of a region opposing the light source is 60% or less.