Patents by Inventor Sang Kyu Kim

Sang Kyu Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210302310
    Abstract: A method of transforming Monte Carlo (MC) simulations for diffuse reflectance spectroscopy (DRS) may include obtaining, by a DRS device, MC simulated DRS measurements using a pre-defined number of photons; pre-processing, by the DRS device, the MC simulated DRS measurements to obtain normalized DRS measurements; correcting, by the DRS device, non-monotonicity of the normalized DRS measurements to obtain monotonic DRS measurements; converting, by the DRS device, the monotonic DRS measurements to a logarithmic domain to obtain logarithmic DRS measurements; performing, by the DRS device, curve fitting on the logarithmic DRS measurements in the logarithmic domain to obtain curve-fitted logarithmic DRS measurements; and transforming, by the DRS device, the curve-fitted logarithmic DRS measurements to a non-logarithmic domain to obtain transformed MC simulated DRS measurements.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 30, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sreejith KALLUMMIL, Sujit JOS, Ibrahim A., Ka Ram CHOI, Sang Kyu KIM
  • Publication number: 20210282676
    Abstract: An apparatus for non-invasively estimating a biological component is provided. The apparatus may include: a sensor configured to measure a calibration spectrum for a first duration and measure a biological component estimation spectrum for a second duration, based on light returning from an object; and a processor configured to remove a signal of a biological component from the calibration spectrum to obtain a background spectrum for the first duration, and estimate the biological component, based on the background spectrum and the biological component estimation spectrum, for the second duration in response to a command for measuring the biological component.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 16, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young LEE, Sang Kyu KIM, Sang Kon BAE, Yun S PARK
  • Publication number: 20210200584
    Abstract: A multi-processor system includes a plurality of processors, a scheduler, and a selector. Each of the plurality of processors is included in at least one of a plurality of domains. The plurality of domains include three or more domains and are defined based on a hierarchical domain structure. The scheduler receives and manages at least one task performed by the plurality of processors. The selector selects one of the plurality of domains based on states of the plurality of domains to assign the at least one task to the selected domain, and selects at least one processor among processors in the selected domain based on states of the processors in the selected domain to assign the at least one task to the selected processor, when the at least one task is received.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Inventors: HYUN-JU KANG, Sang-Kyu Kim
  • Patent number: 11039766
    Abstract: An apparatus for non-invasively estimating a biological component is provided. The apparatus may include: a sensor configured to measure a calibration spectrum for a first duration and measure a biological component estimation spectrum for a second duration, based on light returning from an object; and a processor configured to remove a signal of a biological component from the calibration spectrum to obtain a background spectrum for the first duration, and estimate the biological component, based on the background spectrum and the biological component estimation spectrum, for the second duration in response to a command for measuring the biological component.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young Lee, Sang Kyu Kim, Sang Kon Bae, Yun S Park
  • Publication number: 20210177264
    Abstract: A calorie estimation apparatus and method that analyze a user's skin spectrum to determine calories of food and drink that the user has ingested are provided. The calorie estimation apparatus includes a spectrum measurer configured to measure a skin spectrum of a user; and a processor configured to determine a noise of the measured skin spectrum, and estimate calories consumed by the user based on the determined noise.
    Type: Application
    Filed: February 24, 2021
    Publication date: June 17, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Sang Kyu Kim
  • Patent number: 11030957
    Abstract: An organic light emitting display device includes: a display panel including a plurality of sub-pixels arranged in a plurality of column lines and a power line, each sub-pixel being supplied with first and second power voltages and including a light emitting diode, the power line extending along a column line direction and transferring the first power voltage; and a peak luminance control portion which derives a compensation value that is adjusted according to a maximum IR variation amount of IR variation amounts in the column line direction for a picture input thereto, applies the compensation value to an average picture level of the picture to derive a compensated average picture level, and controls a peak luminance of the picture according to the compensated average picture level, wherein the IR variation amount includes IR drop amount for the first power voltage and an IR rise amount for the second power voltage.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: June 8, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Sang-Kyu Kim
  • Patent number: 11002599
    Abstract: A method of verifying repeatability of a spectroscope that irradiates light to a user sample, detects light reflected from the user sample, and measures spectrum data of the user sample, includes: verifying repeatability of the spectrum data, measured by the spectroscope, based on repeatability verification criteria; and controlling the spectroscope whether or not to remeasure the spectrum data, based on the verifying.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 11, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young Lee, Sang Kyu Kim, Kun Sun Eom, Joon Hyung Lee
  • Publication number: 20210120959
    Abstract: The present invention relates to a seat lock including: a fixed bracket fixed to a leg of a chair; a locking unit disposed on the fixed bracket; and a movable bracket fixed to a seat of the chair in such a manner as to rotate together with the seat and having a seat rotation shaft and a locking piece coupled to an end periphery of the seat rotation shaft in such a manner as to be exposed to the outside, wherein the locking unit includes a driving motor having a driving shaft, a driving cam fitted to the driving shaft of the driving motor, and a latch rotating in a range of a given angle around a shaft fixed to the fixed bracket to limit the rotational movement of the locking piece. According to the present invention, the seat lock can utilize the locking unit to allow the seat to be more efficiently managed.
    Type: Application
    Filed: August 2, 2019
    Publication date: April 29, 2021
    Inventors: Sang Kyu KIM, Jang Soo KIM, Young Su NO, Huy Jong BAK, Geum ang YOO, Sang Heon LEE, Ja Bin LEE, Young Wook CHOI, Matthew HAN, Seo Hee KIM, Ok Sun KIM, Dong Jin LEE, Chang Moo HEO, Jin Chul Kim, Man Soon LIM
  • Publication number: 20210121102
    Abstract: An apparatus for estimating a concentration of an analyte includes an optical sensor configured to emit light toward an object and receive light reflected from the object, and a processor configured to obtain a ratio of an absorption coefficient to a scattering coefficient based on the received light, obtain a first absorption spectrum of the object based on the obtained ratio, obtain a second absorption spectrum by eliminating a scattering correction spectrum from the first absorption spectrum, the scattering correction spectrum corresponding to a nonlinear change in the scattering coefficient according to a wavelength of the emitted light, and estimate a concentration of an analyte based on the second absorption spectrum.
    Type: Application
    Filed: March 31, 2020
    Publication date: April 29, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho Lee, Sang Kyu Kim
  • Patent number: 10956210
    Abstract: A multi-processor system includes a plurality of processors, a scheduler, and a selector. Each of the plurality of processors is included in at least one of a plurality of domains. The plurality of domains include three or more domains and are defined based on a hierarchical domain structure. The scheduler receives and manages at least one task performed by the plurality of processors. The selector selects one of the plurality of domains based on states of the plurality of domains to assign the at least one task to the selected domain, and selects at least one processor among processors in the selected domain based on states of the processors in the selected domain to assign the at least one task to the selected processor, when the at least one task is received.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Ju Kang, Sang-Kyu Kim
  • Patent number: 10952620
    Abstract: A calorie estimation apparatus and method that analyze a user's skin spectrum to determine calories of food and drink that the user has ingested are provided. The calorie estimation apparatus includes a spectrum measurer configured to measure a skin spectrum of a user; and a processor configured to determine a noise of the measured skin spectrum, and estimate calories consumed by the user based on the determined noise.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang Kyu Kim
  • Publication number: 20210052200
    Abstract: An apparatus for estimating bio-information according to an embodiment of the present disclosure includes a processor configured to obtain spectra from an object, obtain a component produced based on a change in pressure applied to the object, correct the spectra based on the obtained component produced based on the change in pressure, and estimate bio-information of the object based on the corrected spectra.
    Type: Application
    Filed: March 12, 2020
    Publication date: February 25, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Mo Ahn, Hyeong Seok Jang, Sang Kyu Kim, Jin Young Park, Jun Ho Lee
  • Patent number: 10928497
    Abstract: A wideband pulse detector and a method for operating the wideband pulse detector. The wideband pulse detector includes a signal collection unit for receiving electromagnetic pulses, a signal classification unit for classifying the electromagnetic pulses into N channels (where N is an integer of 2 or more) depending on frequency components corresponding to the electromagnetic pulses, a signal detection unit for detecting and holding the classified pulses, and a signal processing unit for converting the held pulses into digital signals, identifying types of the electromagnetic pulses corresponding to the converted digital signals using a classification algorithm, determining signal strengths of the electromagnetic pulses, and then controlling a reset circuit for successive signal detection.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: February 23, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Min Kim, Huirae Cho, Ki-Baek Kim, Minseok Yoon, Sang-Kyu Kim, Seung-Kab Ryu
  • Publication number: 20210048907
    Abstract: A touch display device includes a touch sensing electrode and a touch drive electrode disposed on an encapsulation unit configured to encapsulate a light-emitting element, the touch sensing electrode and the touch drive electrode being configured to form a first mutual capacitor, and first and second compensation electrodes disposed in a non-active area of a substrate so as to be opposite each other, the first and second compensation electrodes being configured to form a second mutual capacitor, whereby the value of capacitance of all mutual capacitors is increased, and therefore it is possible to prevent deterioration in touch performance.
    Type: Application
    Filed: July 7, 2020
    Publication date: February 18, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Ru-Da RHE, Ji-Hyun JUNG, Deuk-Su LEE, Sang-Kyu KIM, Jae-Gyun LEE, Hyang-Myoung GWON
  • Patent number: 10921190
    Abstract: A spectrum measuring apparatus includes a plurality of light sources configured to emit light of different wavelengths onto an object, based on current at various intensities that is applied to each of the plurality of light sources, a photodetector configured to receive light that is one among reflected from, scattered from, and transmitted into the object onto which the light is emitted, and measure an intensity of the received light, and a processor configured to obtain spectrum of the object, based on the measured intensity of the received light.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang Kyu Kim
  • Publication number: 20200411598
    Abstract: Disclosed is a display device having a reduced bezel area. The display device includes a plurality of touch lines electrically connected to a plurality of touch electrodes and display link lines electrically connected to a light-emitting element, the display link lines being disposed in a non-active area of a substrate, wherein a minimum of M touch lines (M being a natural number greater than 1 and less than N) is disposed with respect to a minimum of N display link lines (N being a natural number greater than 1), among the plurality of display link lines, in the non-active area. Consequently, a narrow bezel may be realized.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Inventors: Hyang-Myoung GWON, Ru-Da RHE, Ji-Hyun JUNG, Su-Chang AN, Sang-Kyu KIM, Jae-Gyun LEE, Yoonnara JANG
  • Publication number: 20200367815
    Abstract: An apparatus for generating a metabolism model may include a processor configured to obtain a predetermined number of bio-information profiles from a bio-sensor, extract a representative bio-information profile from the obtained predetermined number of bio-information profiles, and generate the metabolism model for correcting an error of the bio-sensor by using the extracted representative bio-information profile.
    Type: Application
    Filed: February 10, 2020
    Publication date: November 26, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kyu KIM, So Young LEE, Ka Ram CHOI
  • Publication number: 20200333183
    Abstract: A method of verifying repeatability of a spectroscope that irradiates light to a user sample, detects light reflected from the user sample, and measures spectrum data of the user sample, includes: verifying repeatability of the spectrum data, measured by the spectroscope, based on repeatability verification criteria; and controlling the spectroscope whether or not to remeasure the spectrum data, based on the verifying.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young LEE, SANG KYU KIM, KUN SUN EOM, JOON HYUNG LEE
  • Publication number: 20200315505
    Abstract: An apparatus for estimating a concentration of an analyte may include a processor configured to measure a first scattering coefficient of an object at a first wavelength and a second scattering coefficient of the object at a second wavelength, obtain a third scattering coefficient of the object at the third wavelength based on the first scattering coefficient and the second scattering coefficient, measure reflectance of the object at a third wavelength, and estimate the concentration of the analyte based on the obtained third scattering coefficient and the measured reflectance.
    Type: Application
    Filed: January 9, 2020
    Publication date: October 8, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kyu KIM, Jun Ho LEE
  • Patent number: 10753797
    Abstract: Provided is a spectrum processing apparatus for removing noise, caused by a change in external environment, from a spectrum obtained by a spectrometer. The spectrum processing apparatus includes: a spectrometer configured to measure a first spectrum according to a change in external environment from a first object, and to measure a second spectrum for component analysis from a second object; and a processor configured to extract, based on the first spectrum, an eigenvector for each wavelength according to the change in external environment, and to obtain a final spectrum by correcting the second spectrum based on the extracted eigenvector for each wavelength.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kyu Kim, Jun Ho Lee, Hyeong Seok Jang