Patents by Inventor Woo Chang Lee

Woo Chang Lee 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).

  • Patent number: 10952650
    Abstract: An apparatus and a method for determining blood sugar based on heterogeneous spectrums are provided. The blood sugar model generation apparatus includes a data obtainer configured to obtain blood sugar profile data of a user based on a first type spectrum-blood sugar profile relationship model, a second type spectrum measurer configured to measure training second type spectrum data for the skin of the user, and a processor configured to generate an individualized blood sugar model based on the obtained blood sugar profile data and the measured training second type spectrum data.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: March 23, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Woo Chang Lee, Young Hoon Kim, Jin Young Park, Eui Seok Shin, Woo Sik Choi, Seoung Bum Kim
  • Publication number: 20210041365
    Abstract: Provided is an apparatus for measuring particulate matter including an image obtaining device configured to charge particulate matter particles included in air that is introduced to the image obtaining device, and to obtain an image of the charged particulate matter particles based on lens-free imaging, a spectrum obtaining device configured to obtain a Raman spectrum of the charged particulate matter particles, and a processor configured to determine a size of the particulate matter particles and a concentration of the particulate matter particles based on the obtained image, and to determine components of the particulate matter particles based on the obtained Raman spectrum.
    Type: Application
    Filed: March 16, 2020
    Publication date: February 11, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: WOO CHANG LEE, YUN S PARK, HO JUN CHANG, SUNG HYUN NAM
  • Publication number: 20210025802
    Abstract: Provided is an apparatus for measuring particulate matter, the apparatus including an air inflow device configured to receive air including particulate matter particles, two or more light sources configured to respectively emit light of different wavelengths to the air received, a pattern measuring device configured to measure scattering patterns for each wavelength of light based on detecting light that is forward-scattered by the particulate matter particles and light that is back-scattered by the particulate matter particles, and a processor configured to obtain a size of the particulate matter particles and a concentration of the particulate matter particles based on the scattering patterns for each wavelength of light.
    Type: Application
    Filed: March 16, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun Chang, Yun S Park, Woo Chang Lee
  • Publication number: 20200397353
    Abstract: An apparatus for measuring a Raman spectrum may include a processor configured to adjust a Raman probe parameter, set a Raman probe with the Raman probe parameter, obtain a first Raman spectrum of the sample at a first time point and a second Raman spectrum of the sample at a second time point, obtain a difference spectrum between the first Raman spectrum and the second Raman spectrum, determine a degree of similarity between the difference spectrum and an analyte Raman spectrum, determine an optimal Raman probe parameter based on the degree of similarity, and obtain a Raman spectrum of the sample for measuring bio-information by setting the Raman probe with the optimal Raman probe parameter.
    Type: Application
    Filed: March 12, 2020
    Publication date: December 24, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun S PARK, Woo Chang LEE, Ho Jun CHANG
  • Patent number: 10684226
    Abstract: A Raman probe provided includes a light source part configured to emit light on a sample, and further configured to adjust at least one of an incident angle of the light, a position of an emission point of the light, and a focal point of the light source part, a light collector configured to collect Raman scattered light from the sample, and further configured to adjust a field of view of Raman measurement and a focal point of the light collector, and a photodetector configured to receive the collected Raman scattered light, wherein the light source part comprises a reflection mirror configured to rotate to adjust the position of the emission point of the light.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun Chang, Woo Chang Lee
  • Patent number: 10624541
    Abstract: An optical measuring device including a light source, a light beam path adjuster, a light detector and a controller is provided. The light source may emit light toward an object in a predetermined progress direction. The light beam path adjuster may be disposed between the light source and the object and may change a progress path of the light emitted from the light source. The light detector may receive the light that is reflected from the object after passing through the light beam path adjuster. The controller may compare a first effective beam path length of the reflected light that the light detector receives with a predetermined target beam path length and control a refractive angle of the light beam path adjuster based on a beam path length difference between the first effective beam path length and the predetermined target beam path length.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Lee, Dong Ho Kim, Jung Mok Bae, Eui Seok Shin, Woo Chang Lee
  • Patent number: 10578490
    Abstract: A spectrometer is provided. The spectrometer may include an image sensor including a pixel array; and a photonics layer disposed on the pixel array and including a plurality of resonators and a plurality of couplers evanescently coupled to the plurality of resonators.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: March 3, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., IMEC VZW
    Inventors: Tom Claes, Sung Mo Ahn, Woo Chang Lee
  • Publication number: 20200046269
    Abstract: A apparatus for estimating concentration may include: a spectrum obtainer configured to obtain Raman spectra of an object; and a processor configured to extract, from the Raman spectra, at least one analyte spectrum related to an analyte and at least one non-analyte spectrum related to a biological component other than the analyte, and estimate concentration of the analyte based on a first area under a curve of the at least one analyte spectrum and a second area under a curve of the at least one non-analyte spectrum.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 13, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun S. PARK, Sung Hyun NAM, Woo Chang LEE, Ho Jun CHANG
  • Publication number: 20190277764
    Abstract: A Raman probe provided includes a light source part configured to emit light on a sample, and further configured to adjust at least one of an incident angle of the light, a position of an emission point of the light, and a focal point of the light source part, a light collector configured to collect Raman scattered light from the sample, and further configured to adjust a field of view of Raman measurement and a focal point of the light collector, and a photodetector configured to receive the collected Raman scattered light, wherein the light source part comprises a reflection mirror configured to rotate to adjust the position of the emission point of the light.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 12, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun Chang, Woo Chang Lee
  • Publication number: 20190231192
    Abstract: An optical measuring device including a light source, a light beam path adjuster, a light detector and a controller is provided. The light source may emit light toward an object in a predetermined progress direction. The light beam path adjuster may be disposed between the light source and the object and may change a progress path of the light emitted from the light source. The light detector may receive the light that is reflected from the object after passing through the light beam path adjuster. The controller may compare a first effective beam path length of the reflected light that the light detector receives with a predetermined target beam path length and control a refractive angle of the light beam path adjuster based on a beam path length difference between the first effective beam path length and the predetermined target beam path length.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun LEE, Dong Ho KIM, Jung Mok BAE, Eui Seok SHIN, Woo Chang LEE
  • Patent number: 10307063
    Abstract: An optical measuring device including a light source, a light beam path adjuster, a light detector and a controller is provided. The light source may emit light toward an object in a predetermined progress direction. The light beam path adjuster may be disposed between the light source and the object and may change a progress path of the light emitted from the light source. The light detector may receive the light that is reflected from the object after passing through the light beam path adjuster. The controller may compare a first effective beam path length of the reflected light that the light detector receives with a predetermined target beam path length and control a refractive angle of the light beam path adjuster based on a beam path length difference between the first effective beam path length and the predetermined target beam path length.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Lee, Dong Ho Kim, Jung Mok Bae, Eui Seok Shin, Woo Chang Lee
  • Publication number: 20180217002
    Abstract: A spectrometer is provided. The spectrometer may include an image sensor including a pixel array; and a photonics layer disposed on the pixel array and including a plurality of resonators and a plurality of couplers evanescently coupled to the plurality of resonators.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 2, 2018
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IMEC VZW
    Inventors: Tom CLAES, Sung Mo AHN, Woo Chang LEE
  • Publication number: 20180020958
    Abstract: An apparatus and a method for determining blood sugar based on heterogeneous spectrums are provided. The blood sugar model generation apparatus includes a data obtainer configured to obtain blood sugar profile data of a user based on a first type spectrum-blood sugar profile relationship model, a second type spectrum measurer configured to measure training second type spectrum data for the skin of the user, and a processor configured to generate an individualized blood sugar model based on the obtained blood sugar profile data and the measured training second type spectrum data.
    Type: Application
    Filed: January 27, 2017
    Publication date: January 25, 2018
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Woo Chang LEE, Young Hoon KIM, Jin Young PARK, Eui Seok SHIN, Woo Sik CHOI, Seoung Bum KIM
  • Publication number: 20170143209
    Abstract: An optical measuring device including a light source, a light beam path adjuster, a light detector and a controller is provided. The light source may emit light toward an object in a predetermined progress direction. The light beam path adjuster may be disposed between the light source and the object and may change a progress path of the light emitted from the light source. The light detector may receive the light that is reflected from the object after passing through the light beam path adjuster. The controller may compare a first effective beam path length of the reflected light that the light detector receives with a predetermined target beam path length and control a refractive angle of the light beam path adjuster based on a beam path length difference between the first effective beam path length and the predetermined target beam path length.
    Type: Application
    Filed: August 16, 2016
    Publication date: May 25, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun LEE, Dong Ho KIM, Jung Mok BAE, Eui Seok SHIN, Woo Chang LEE
  • Patent number: 8624465
    Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Phil Do, Sang Kyu Kim, Jae Young Kim, Woo Chang Lee, Jae Yeon Jung, Soo Suk Lee, Youn Suk Choi
  • Patent number: 8569997
    Abstract: An apparatus and method for displaying battery capacity and a charge/discharge state of a portable device are provided. The apparatus includes a charge Integrated Circuit (IC) for providing current to recharge the battery using an external charge power source, a sensing resistance interposed between the battery and the charge IC, a switch connected to the sensing resistance in parallel and opened to flow the current to the sensing resistance when a capacity of the battery is measured, and a controller for determining the capacity of the battery using voltage values at both ends of the sensing resistance measured when the switch is opened.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: October 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Chang Lee
  • Publication number: 20130139599
    Abstract: This disclosure describes an apparatus for sensing a target using a sinc function, a surface acoustic wave (SAW) sensor system including the same, and a method of measuring a target using a sinc function. The apparatus for measuring a target using the sinc function may measure an output signal from a SAW sensor with high precision and reliability.
    Type: Application
    Filed: August 9, 2012
    Publication date: June 6, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeol ho LEE, Youn Suk CHOI, Soo Suk LEE, Woo Chang LEE
  • Publication number: 20130009517
    Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.
    Type: Application
    Filed: November 2, 2011
    Publication date: January 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jae Phil DO, Sang Kyu KIM, Jae Young KIM, Woo Chang LEE, Jae Yeon JUNG, Soo Suk LEE, Youn Suk CHOI
  • Publication number: 20120225457
    Abstract: A nanoparticle-nucleic acid complex and a method of linearizing a target nucleic acid by using the nanoparticle-nucleic acid complex are disclosed. By using the nanoparticle-nucleic acid complex and the method, nucleotide sequence analysis and mapping of a target nucleic acid may be efficiently performed.
    Type: Application
    Filed: November 11, 2011
    Publication date: September 6, 2012
    Applicants: SNU R&DB FOUNDATION, SAMSUNG ELECTRONICS CO., LTD
    Inventors: June-young LEE, Jwa-min NAM, Su-hyeon KIM, Woo-chang LEE, Jae-young KIM, Joo-won RHEE, Young-kwang LEE, Dong-kwon LIM, Jae-ho HWANG
  • Patent number: 8059250
    Abstract: A liquid crystal display device includes: a liquid crystal display panel having a plurality of data lines and a plurality of gate lines crossing each other; a data drive circuit which supplies data voltages to the data lines; a gate drive circuit which supplies scan pulses to the gate lines; and first dummy pads on a substrate of the liquid crystal display panel at both sides of the data drive circuit, and wherein the data drive circuit is joined onto the substrate with a first anisotropic conductive film and both sides of the first anisotropic conductive film are joined to the first dummy pads.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: November 15, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Woo Chang Lee