Seiko Epson Corporation

Sony Corporation

Tsukasa Eguchi

Hideto Ishiguro

Tetsuji Fujita

Hidetoshi Yamamoto

Hitoshi Tsuchiya

Eiji Kanda

Hiroshi Sera

Hirokazu Kasahara

Tomotaka Matsumoto

Toshiyuki Kasai

Shinsuke Fujikawa

Tokuro Ozawa

Hiroaki Jo

Akira Ikeda

Takashi Miyata

Yasushi Tsuchiya

Ayae Sawado

Kimitake Mizobe

Hikaru Kurasawa

Yasunori Hiyoshi

Yasunori Hattori

Atsushi Ito

Takahiro Iwashita

Megumu Ito

A biological information acquisition device includes a light source configured to emit a laser beam; a light branching element configured to branch the laser beam into a first luminous flux and a second luminous flux; a first light receiving element configured to receive the first luminous flux; a second light receiving element configured to receive scattered light generated by scattering of the second luminous flux incident on an inspection site of a living body; a differential circuit to which the first light receiving element and the second light receiving element are coupled; a signal processing unit configured to obtain biological fluid information by processing a light detection signal output via the differential circuit; and a first light shielding part configured to reduce the scattered light incident on the first light receiving element.

Biological information acquisition device

A calibration data acquisition unit uses an equation X=YW in which an optical spectrum matrix X is the same as a product between a component natural spectrum matrix Y and a component amount matrix X, performs independent component analysis in which column vectors of the component amount matrix W are treated as independent components so as to determine the component natural spectrum matrix Y, and employs row vectors of a general inverse matrix Yof the component natural spectrum matrix Y as component calibration spectra corresponding to a plurality of components. A calibration curve is created by using a target component calibration spectrum corresponding to a target component.

Calibration apparatus, calibration curve creation method, and independent component analysis method

A small biological information acquisition device that can noninvasively acquire biological information is provided. The biological information acquisition device includes a first light emitting elementA serving as a first infrared light source that is used for acquiring positional information of blood vessels and emits infrared light having a peak wavelength &#x3bb;1, and a second light emitting elementB serving as a second infrared light source that is used for spectral analysis and emits infrared light having a peak wavelength &#x3bb;2 different from the peak wavelength &#x3bb;1.

Biological information acquisition device and electronic device

In a biological information processing apparatus, a variation index value calculation section calculates a variation index value on the basis of a plurality of measured values obtained by measuring biological information of a subject. A display data generation section generates display data which is used to display a measurement result and undergoes identification display corresponding to the variation index value.

Biological information processing method, biological information processing apparatus, computer system, and wearable apparatus

An biological body information acquisition apparatus includes an imager including light emitting devices that are arranged in a plane and emit light toward a human body and light receiving devices that are arranged in a plane and receive light from the human body and a light guide plate that is layered on the imager on the side thereof facing the human body and has light transmissivity in the direction of a normal to the light receiving devices and the light emitting devices. The light guide has a first portion (holes) and a second portion (substrate) that are arranged in a plane and have refractive indices different from each other. The first portion (holes) is so disposed as to coincide with the light receiving devices in a plan view, and the second portion (substrate) is so disposed as to coincide with the light emitting devices in the plan view.

Information acquisition apparatus

A component measurement apparatus includes: a sensor module that receives reflected light and outputs a signal corresponding to light intensity of the reflected light; a calibration plate that outputs first reflected light to the sensor module, the first reflected light being used for comparing the light intensity of the reflected light; and a calibration unit that switches the input reflected light to the sensor module between the second reflected light reflected at a measured portion, and the first reflected light.

Information acquisition apparatus and information acquisition method

In a biological information acquiring device, a sensor modulecaptures a biological image of a subject. A touch panelhas a display region Aformed with approximately the same size as a measurement region Athat matches the range of image capturing of the subjectby the sensor module, and in the display region Aa biological image is displayed at approximately the same magnification as the range of image capturing. The image capturing direction of the sensor moduleand the display direction of the touch panelare in opposite directions, and the measurement region Aand the display region Aare arranged in layers at about the same position in a plan view. Accordingly, a target location suitable for acquiring the biological information can be easily specified.

Biological information acquiring device

An imaging apparatus includes a light emitting element layer, an optically transmissive first substrate and a light receiving element. The light emitting element layer faces a plurality of lenses. The optically transmissive first substrate includes a first surface with the light emitting element layer being disposed on the first surface. The light receiving element is arranged on an opposite side to the light emitting element layer so as to interpose the first substrate.

Imaging apparatus

A manufacturing method is a method for manufacturing a light emitting apparatus including a translucent substrate, and a light emitting section and an optical filer section that are arranged in a first region of the substrate when viewed in a normal direction of a first surface of the substrate. The manufacturing method includes: forming a dielectric multilayer film over the first region of the substrate; forming a first electrode on the dielectric multilayer film included in the light emitting section; forming a functional layer with a light emitting layer over the first electrode and the dielectric multilayer film included in the optical filter section; and forming a second electrode having semi-transmissive reflectivity on the functional layer over the first region of the substrate.

Light emitting apparatus, manufacturing method of light emitting apparatus, light receiving and emitting apparatus, and electronic equipment

A light receiving section includes light receiving elements. A light source section includes a light emitting section that illuminates the subject and transmissive sections. The light emitting section is provided with a first translucent layer, which includes a light emitting layer, and a reflection layer and a semi-transmissive reflection layer interposing the first translucent layer, so that a resonance structure is formed. Each of the transmissive sections includes a second translucent layer, and a first semi-transmissive reflection layer and a second semi-transmissive reflection layer, which are opposed each other interposing the second translucent layer, so that a resonance structure that resonates incident light from the subject side is formed. A resonance length between the reflection layer and the semi-transmissive reflection layer in the light emitting section is more than a resonance length between the first semi-transmissive reflection layer and the second semi-transmissive reflection layer in the transmissive section.

Imaging apparatus and medical equipment

An image acquisition device includes: an imaging unit which has a plurality of light receiving elements; a condensing unit which condenses light which is input to the light receiving elements, and includes a plurality of microlenses which are arranged one to one with the light receiving elements on a plane; and a band pass filter including amorphous silicon films on a path on which light from an object is input to the light receiving elements.

Image acquisition device, biometric authentication device, and electronic apparatus

A light emitting apparatus includes a translucent substrate, and a light emitting section and an optical filter section arranged in a first region of the substrate when viewed in a normal direction of a first surface of the substrate. The light emitting section has a laminate structure that includes, on the first surface of the substrate, a dielectric multilayer film, a first electrode, a functional layer with a light emitting layer, and a second electrode having semi-transmissive reflectivity. The optical filter section has a laminate structure that includes, on the first surface of the substrate, the dielectric multilayer film, the functional layer, and the second electrode. The dielectric multilayer film and the functional layer extend over the first region.

An imaging apparatus comprising an optically transmissive first substrate which includes a first surface, a plurality of lenses which oppose the first surface and focus incident light from the opposite side to the first substrate, a light emitting layer on a surface of the first surface, and a plurality of light receiving elements which are arranged on the opposite side to the plurality of lenses so as to interpose the first substrate.

A light receiving section is provided with a plurality of light receiving elements. A light source section is arranged in a subject side of the light receiving section, and is provided with a light emitting section that illuminates the subject and a plurality of transmissive sections that transmits incident light to the light receiving section side. The light emitting section is provided with a first translucent layer, which includes a light emitting layer, and a reflection layer and a semi-transmissive reflection layer, which are opposed each other interposing the first translucent layer, so that a resonance structure that resonates irradiation light from the light emitting layer is formed. Each of the transmissive sections is provided with a second translucent layer, and a first semi-transmissive reflection layer and a second semi-transmissive reflection layer, which are opposed each other interposing the second translucent layer, so that a resonance structure that resonates incident light from the subject side is formed. A resonance length between the reflection layer and the semi-transmissive reflection layer in the light emitting section is more than a resonance length between the first semi-transmissive reflection layer and the second semi-transmissive reflection layer in the transmissive section.

A photoelectric conversion device includes circuit portions disposed on a substrate, a first electrode electrically connected to one of the circuit portions, an optically transparent second electrode opposing the first electrode, and a photoelectric conversion portion disposed between the first electrode and the second electrode. The photoelectric conversion portion has a multilayer structure including a light absorption layer made of a p-type compound semiconductor film having a chalcopyrite structure, an amorphous oxide semiconductor layer, and a window layer made of an n-type semiconductor film.

Growing community of inventors

Matsumoto, Japan

Tsukasa Eguchi