Patents by Inventor Yeong-bae Yeo
Yeong-bae Yeo 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).
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Patent number: 10228383Abstract: A test apparatus for measuring the temperature of a reactor using a thermochromic pigment, and a method for controlling the test apparatus are disclosed, based on a technology for irradiating light of different wavelengths on a thermochromic pigment accommodated in a reactor and estimating temperature of the reactor using a difference between absorbance values corresponding to the light of the different wavelengths. The test apparatus includes at least one light emitter configured to irradiate light of different wavelengths onto a chamber included in the reactor, a light receiver configured to receive the light that propagates through the chamber, and a controller configured to measure absorbance values of the thermochromic pigment in correspondence to the different wavelengths of the light, to calculate a difference between the measured absorbance values, and to determine a temperature of the reactor in correspondence to the calculated difference between the absorbance values.Type: GrantFiled: November 25, 2016Date of Patent: March 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae Yeo, Sil Park
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Patent number: 10118172Abstract: A fluid analysis cartridge includes a reference well including a macromolecular coloring reagent having an optical characteristic that varies according to a thickness of the reference well, and a test well including a test reagent having an optical characteristic that varies according to a concentration of a component of a fluid sample that reacts with the test reagent and a thickness of the test well.Type: GrantFiled: November 29, 2016Date of Patent: November 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeo Young Shim, Jong Myeon Park, Jae Sung Lee, Do Gyoon Kim, Young Seop Seong, Yeong Bae Yeo, Hae Seok Lee, Kyu Youn Hwang
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Patent number: 10113964Abstract: An optical detection apparatus for measuring detection chambers of a specimen cartridge includes: a light source unit including light sources which are arranged along a scan line on which the detection chambers are aligned to be scanned, and configured to emit light rays to the detection chambers; and an optical detector configured to detect the light rays having passed through corresponding detection chambers disposed on the scan line. The light sources include main wavelength light sources which are used for measuring samples disposed in the detection chambers, and a sub-wavelength light source which is used for correcting a measuring error.Type: GrantFiled: October 14, 2014Date of Patent: October 30, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong-bae Yeo, Hyun-soo Jang
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Patent number: 10113971Abstract: A test apparatus and a control method thereof are provided. The test apparatus is configured to test a sample in a reactor. The test apparatus includes at least one light emitter configured to emit light to chambers of the reactor, a light receiver configured to receive light passed through the chambers while scanning the chambers, and a processor configured to determine a position or an area of a chamber among the chambers, based on light receiving positions of the light receiver, and respective intensities of the received light. The processor is further configured to measure an optical density of light passed through the determined position or the determined area of the chamber.Type: GrantFiled: September 23, 2015Date of Patent: October 30, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Yeong Bae Yeo
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Patent number: 9976954Abstract: A microfluidic device includes a chamber configured to accommodate a sample and air, and a detection device provided with a light emitter configured to emit light towards the chamber on a light transmission path and a light receiver configured to receive the light, and further configured to measure an optical density of the chamber to determine whether the sample is accommodated in the chamber based on the received light. A boundary between the sample and the air accommodated in the chamber is provided on the light transmission path.Type: GrantFiled: September 16, 2015Date of Patent: May 22, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae Yeo, Jung Ki Min
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Publication number: 20180120290Abstract: A test device, test system, and control method of the test device, which defines a light irradiating area in a reactor to prevent a decrease in magnitude of a detected signal that may result due to scattering of light that has penetrated other area of the reactor than an area containing an object for detection and improve a dynamic range. A test device may include a light source configured to irradiate light; a reactor configured to include at least one first area to contain an object for detection; and a photo detector configured to receive light that has been irradiated from the light source and has passed the reactor that contains the object for detection, wherein the light source is configured to limitedly irradiate the light to the first area of the reactor.Type: ApplicationFiled: August 25, 2017Publication date: May 3, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae YEO, Sil PARK, Su Bong BAE
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Publication number: 20170227407Abstract: A test apparatus for measuring the temperature of a reactor using a thermochromic pigment, and a method for controlling the test apparatus are disclosed, based on a technology for irradiating light of different wavelengths on a thermochromic pigment accommodated in a reactor and estimating temperature of the reactor using a difference between absorbance values corresponding to the light of the different wavelengths. The test apparatus includes at least one light emitter configured to irradiate light of different wavelengths onto a chamber included in the reactor, a light receiver configured to receive the light that propagates through the chamber, and a controller configured to measure absorbance values of the thermochromic pigment in correspondence to the different wavelengths of the light, to calculate a difference between the measured absorbance values, and to determine a temperature of the reactor in correspondence to the calculated difference between the absorbance values.Type: ApplicationFiled: November 25, 2016Publication date: August 10, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae YEO, Sil PARK
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Publication number: 20170189905Abstract: A fluid analysis cartridge includes a reference well including a macromolecular coloring reagent having an optical characteristic that varies according to a thickness of the reference well, and a test well including a test reagent having an optical characteristic that varies according to a concentration of a component of a fluid sample that reacts with the test reagent and a thickness of the test well.Type: ApplicationFiled: November 29, 2016Publication date: July 6, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeo Young SHIM, Jong Myeon PARK, Jae Sung LEE, Do Gyoon KIM, Young Seop SEONG, Yeong Bae YEO, Hae Seok LEE, Kyu Youn HWANG
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Publication number: 20160187257Abstract: A microfluidic device includes a chamber configured to accommodate a sample and air, and a detection device provided with a light emitter configured to emit light towards the chamber on a light transmission path and a light receiver configured to receive the light, and further configured to measure an optical density of the chamber to determine whether the sample is accommodated in the chamber based on the received light. A boundary between the sample and the air accommodated in the chamber is provided on the light transmission path.Type: ApplicationFiled: September 16, 2015Publication date: June 30, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae YEO, Jung Ki MIN
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Publication number: 20160161418Abstract: A test apparatus and a control method thereof are provided. The test apparatus is configured to test a sample in a reactor. The test apparatus includes at least one light emitter configured to emit light to chambers of the reactor, a light receiver configured to receive light passed through the chambers while scanning the chambers, and a processor configured to determine a position or an area of a chamber among the chambers, based on light receiving positions of the light receiver, and respective intensities of the received light. The processor is further configured to measure an optical density of light passed through the determined position or the determined area of the chamber.Type: ApplicationFiled: September 23, 2015Publication date: June 9, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Yeong Bae YEO
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Publication number: 20150238964Abstract: A microfluidic apparatus and a microfluidic system including the same are provided. The microfluidic system includes a microfluidic apparatus including a platform, the platform including an inlet configured to receive a sample, a chamber configured to accommodate the sample received through the inlet, and a channel connecting the chamber to the inlet, a pressurizing apparatus configured to move the sample from the inlet to the chamber through the channel by pressurizing the inlet, and a detection apparatus configured to detect the sample inside of the chamber.Type: ApplicationFiled: December 17, 2014Publication date: August 27, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Yeong Bae YEO
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Publication number: 20150177141Abstract: An optical detection apparatus for measuring detection chambers of a specimen cartridge includes: a light source unit including light sources which are arranged along a scan line on which the detection chambers are aligned to be scanned, and configured to emit light rays to the detection chambers; and an optical detector configured to detect the light rays having passed through corresponding detection chambers disposed on the scan line. The light sources include main wavelength light sources which are used for measuring samples disposed in the detection chambers, and a sub-wavelength light source which is used for correcting a measuring error.Type: ApplicationFiled: October 14, 2014Publication date: June 25, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong-bae YEO, Hyun-soo JANG
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Patent number: 9057456Abstract: A microfluidic system includes a microfluidic device including a chamber which contains a fluid sample, a channel which is connected to the chamber and through which the fluid sample flows, and a valve which controls flow of the fluid sample through the channel; an irradiation apparatus which irradiates electromagnetic energy; and a diffuser which diffuses and distributes the electromagnetic energy irradiated by the irradiation apparatus to an irradiation region of the microfluidic device.Type: GrantFiled: November 5, 2010Date of Patent: June 16, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeong Bae Yeo, Jong Gun Lee, Jin Tae Kim, Yong Moo Shin, Jong Myeon Park
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Patent number: 8823940Abstract: Methods and apparatuses for measuring a light absorbance are provided. The method measures light absorbance of at least one detection chamber of a microfluidic device, including the detection chamber and at least one reference chamber. The detection chamber may accommodate a test subject. The method includes detecting a plurality of reference transmitted light intensities for the at least one reference chamber and estimating a value between the plurality of reference transmitted light intensities through nonlinear approximation. The estimated value is then applied to light absorbance measurement of the detection chamber to reduce a light absorbance error of the detection chamber.Type: GrantFiled: June 24, 2013Date of Patent: September 2, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Yeong Bae Yeo
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Publication number: 20130280818Abstract: Methods and apparatuses for measuring a light absorbance are provided. The method measures light absorbance of at least one detection chamber of a microfluidic device, including the detection chamber and at least one reference chamber. The detection chamber may accommodate a test subject. The method includes detecting a plurality of reference transmitted light intensities for the at least one reference chamber and estimating a value between the plurality of reference transmitted light intensities through nonlinear approximation. The estimated value is then applied to light absorbance measurement of the detection chamber to reduce a light absorbance error of the detection chamber.Type: ApplicationFiled: June 24, 2013Publication date: October 24, 2013Inventor: Yeong Bae YEO
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Patent number: 8542362Abstract: Methods and apparatuses for measuring a light absorbance are provided. The method measures light absorbance of at least one detection chamber of a microfluidic device, including the detection chamber and at least one reference chamber. The detection chamber may accommodate a test subject. The method includes detecting a plurality of reference transmitted light intensities for the at least one reference chamber and estimating a value between the plurality of reference transmitted light intensities through nonlinear approximation. The estimated value is then applied to light absorbance measurement of the detection chamber to reduce a light absorbance error of the detection chamber.Type: GrantFiled: January 21, 2011Date of Patent: September 24, 2013Assignee: Samsung Electronics Co., Ltd.Inventor: Yeong Bae Yeo
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Patent number: 8531183Abstract: The control method includes obtaining an assumed angle and an actual angle of each of the plurality of rotation angle detecting members, determining a first rotation angle detecting member, the assumed angle and the actual angle of which differ from each other, determining a second rotation angle detecting member having the actual angle closest to the assumed angle of the first rotation angle detecting member, resetting the given count value of the second rotation angle detecting member to a new count value of the first rotation angle detecting member, changing the actual angle of the first rotation angle detecting member via the new count value of the first rotation angle detecting member to reduce an angular error between the assumed angle and the actual angle of the first rotation angle detecting member.Type: GrantFiled: February 11, 2011Date of Patent: September 10, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Kyu Tae Kang, Yeong Bae Yeo
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Publication number: 20120179383Abstract: A disc for calibrating a measurement unit of a test device and a calibration method using the same are provided. The disc includes a calibration unit to calibrate a measurement unit of a biomaterial test device.Type: ApplicationFiled: January 5, 2012Publication date: July 12, 2012Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Yeong Bae YEO, Ki Ju LEE
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Publication number: 20110199074Abstract: The control method includes obtaining an assumed angle and an actual angle of each of the plurality of rotation angle detecting members, determining a first rotation angle detecting member, the assumed angle and the actual angle of which differ from each other, determining a second rotation angle detecting member having the actual angle closest to the assumed angle of the first rotation angle detecting member, resetting the given count value of the second rotation angle detecting member to a new count value of the first rotation angle detecting member, changing the actual angle of the first rotation angle detecting member via the new count value of the first rotation angle detecting member to reduce an angular error between the assumed angle and the actual angle of the first rotation angle detecting member.Type: ApplicationFiled: February 11, 2011Publication date: August 18, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyu Tae KANG, Yeong Bae YEO
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Publication number: 20110194114Abstract: Methods and apparatuses for measuring a light absorbance are provided. The method measures light absorbance of at least one detection chamber of a microfluidic device, including the detection chamber and at least one reference chamber. The detection chamber may accommodate a test subject. The method includes detecting a plurality of reference transmitted light intensities for the at least one reference chamber and estimating a value between the plurality of reference transmitted light intensities through nonlinear approximation. The estimated value is then applied to light absorbance measurement of the detection chamber to reduce a light absorbance error of the detection chamber.Type: ApplicationFiled: January 21, 2011Publication date: August 11, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Yeong Bae YEO