Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Korea Advanced Institute of Science and Technology

Korea University Research and Business Foundation

Joon Hyung Lee

Ki Young Chang

Jung Yong Nam

Yeol Ho Lee

Kak Namkoong

Kun Sun Eom

Sang Kyu Kim

Won Jong Jung

So Young Lee

Jeong Eun Hwang

Jung Mok Bae

Yong Joo Kwon

Dong-hwan Kim

Hun Joo Lee

Hyeong Seok Jang

Soo Suk Lee

Il Doo Kim

Joon-Soo Bae

Kuen-Dong Ha

Jae Phil Do

Dong Ha Kim

Youn Suk Choi

Jung Nam Lee

Deok-hyeon Choe

Gui-bae Kim

Beop Min Kim

Ji Soo Jang

Man Seok Han

Arimoto Nozomu

Myung Kook Park

Kyung Yeong Han

Kazuya Iinaga

Atsushi Takamizawa

Ha Min Shin

Yoon Hwa Kim

Seok Joon Yoon

Zephaniah Phillips, V

Seung Ho Paik

A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.

Blood vessel detection device and method therefor

An apparatus for detecting a body component according to an example embodiment includes: a sensor configured to detect a bio-signal of an object according to a contact pressure that gradually changes between the object and the sensor; and a processor configured to determine a time point, at which an amplitude of an alternating current (AC) component of the bio-signal is maximum or a slope of a direct current (DC) component of the bio-signal is maximum, and to detect a body component of the object based on the determined time point.

Apparatus and method for detecting body component

An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.

Apparatus and method for measuring gas concentration

A biological component estimation apparatus according to an aspect of the present invention includes: a light detector array including a plurality of light detectors; a plurality of light sources disposed on both ends of the light detector array; and a processor configured to calculate a blood vessel alignment index, which indicates a degree of alignment of the biological component estimation apparatus with respect to blood vessels, by using an intensity of a first light that is measured by the plurality of light detectors after the first light is emitted to a user's skin from a first light source disposed on one end of the light detector array among the plurality of light sources, and an intensity of a second light that is measured by the plurality of light detectors after the second light is emitted to the user's skin from a second light source disposed on the other end of the light detector array among the plurality of light sources.

Biological component estimation apparatus and operation method thereof

A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.

Gas sensor using metal oxide semiconducting nanofiber sensitized by alkali or alkaline earth metal and noble metal catalysts, and manufacturing method thereof

A biological component measuring apparatus may include: a first light source configured to emit a first light of a first wavelength range onto an object; a second light source configured to emit a second light of a second wavelength range onto the object, the second wavelength range being different from the first wavelength range; a detector configured to detect the first light and the second light which are scattered from the object; and a processor configured to determine a scattering coefficient based on the detected first light, obtain blood vessel depth information based on the detected second light, and measure a biological component by correcting the scattering coefficient based on the blood vessel depth information.

Biological component measuring apparatus and biological component measuring method

An apparatus for estimating blood concentration may include an optical sensor configured to emit light towards a skin surface of a user, and detect an optical signal reflected by the skin surface of the user, and a processor configured to select an interval-specific blood concentration estimation model, from among a plurality of interval-specific blood concentration estimation models, based on an interval selection indicator and estimate a blood concentration change or a blood concentration of an analyte using the selected interval-specific blood concentration estimation model and the detected optical signal.

Apparatus and method for estimating blood concentration of analyte, and apparatus and method for generating model

Provided is an optical sensor, including a light source configured to emit light; a photodetector array comprising a plurality of photodetectors positioned at different distances from the light source, each photodetector being configured to detect an optical signal returning from an object irradiated by the light emitted by the light source, and to measure a light intensity of the detected optical signal; and a processor configured to determine a correlation coefficient between variables based on the measured light intensity, and to determine a quality of the optical signal based on the determined correlation coefficient, an optical characteristic of the object being determined by selectively using the optical signal of which the quality is an acceptable level or higher.

Optical sensor, method of measuring optical signal, and apparatus for estimating blood concentration of analyte

An apparatus for estimating bio-information may include a sensor configured to emit light to an object and detect light scattered or reflected from the object and a processor configured to acquire, based on an intensity of the detected light, a first absorbance coefficient change and a first scattering coefficient change, relative to a reference time point, acquire a second scattering coefficient change based on the first absorbance coefficient change, and correct the first scattering coefficient change based on the acquired second scattering coefficient change.

Apparatus and method for estimating bio-information

A device and method for monitoring a user's health state by continuously measuring data on triglycerides of the user and a device for managing the user's health state are disclosed. According to an embodiment, a user health state monitoring device includes a measurement unit configured to continuously measure a triglyceride concentration level of the user for a predetermined period; an analysis unit configured to analyze a graph showing the triglyceride concentration level to acquire analytical information; and a monitoring unit configured to monitor the user's health state based on the acquired analytical information.

Device and method for monitoring health state of user, and device for managing health state of user

An apparatus for non-invasively measuring bio-information is provided. The apparatus includes a plurality of light sources configured to emit light to a first region and a second region of an object, a detector configured to detect a first scattered light signal from the first region and a second scattered light signal from the second region and output a first electrical signal corresponding to the first scattered light signal and a second electrical signal corresponding to the second scattered light signal, and a processor configured to correct the first electrical signal based on the second electrical signal and measure bio-information based on a correction result.

Apparatus and method for measuring bio-information

Example embodiments relate to an apparatus for non-invasively estimating bio-information is provided. An apparatus for estimating bio-information may include a sensor part including a pixel array of pixels, each pixel having a light source and a detector; and a processor configured to, based on an object being in contact with the sensor part, drive the sensor part based on a first sensor configuration; obtain contact information of the object based on an amount of light received by each pixel according to the first sensor configuration; determine a second sensor configuration based on the contact information; drive the sensor part based on the second sensor configuration; and estimate the bio-information based on light signals obtained according to the second sensor configuration.

A bio-information processing apparatus includes: an in vivo material measurer which measures an in vivo material of a user; and a processor which extracts a pattern of change of the in vivo material of the user based on a measurement result of the in vivo material, compares the extracted pattern of change of the in vivo material with a biological rhythm reference model, and determines whether biological rhythms of the user are disrupted based on a result of the comparison.

Apparatus and method for processing bio-information

A secondary battery module includes a plurality of battery cells aligned in one direction, a plurality of insulation sheets between the plurality of battery cells, the insulations sheets including aerogel for blocking heat transfer between the plurality of battery cells, and a housing fixing the battery cells and the insulation sheets. The secondary battery module may prevent or retard generation of heat or ignition from a cell within the module from propagating to adjoining cells.

Growing community of inventors

Seongnam-si, South Korea

Joon Hyung Lee