Patents by Inventor Hee-chul YOON
Hee-chul YOON 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: 11974455Abstract: A display device includes a substrate; a light-emitting element layer on the substrate; a first thin-film encapsulation layer that is on the light-emitting element layer, has an upper surface conforming an upper surface of the light-emitting element layer, and includes a recessed portion; a bank layer on the first thin-film encapsulation layer and having an opening overlapping the recessed portion; a wavelength conversion layer in the opening on the first thin-film encapsulation layer and at least partially in the recessed portion; a first inorganic layer on the bank layer and the wavelength conversion layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer.Type: GrantFiled: September 3, 2021Date of Patent: April 30, 2024Assignee: Samsung Display Co., Ltd.Inventors: Myung Chul Yeo, Yong Tack Kim, Eung Seok Park, Hee Wook Yoon, Yoon Hyeung Cho
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Publication number: 20240100469Abstract: The present disclosure relates to a pressure swing adsorption apparatus for hydrogen purification from decomposed ammonia gas and a hydrogen purification method using the same, and more particularly, the pressure swing adsorption apparatus of the present disclosure includes a plurality of adsorption towers including a pretreatment unit and a hydrogen purification unit wherein the adsorption towers of the pretreatment unit and the hydrogen purification unit are packed with different adsorbents, thereby achieving high purity hydrogen purification from mixed hydrogen gas produced after ammonia decomposition, making it easy to replace the adsorbent for ammonia removal, minimizing the likelihood that the lifetime of the adsorbent in the hydrogen purification unit is drastically reduced by a very small amount of ammonia, and actively responding to a large change in ammonia concentration in the raw material.Type: ApplicationFiled: April 11, 2022Publication date: March 28, 2024Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Hyung-chul YOON, Sang-sup HAN, Hee-tae BEUM, Kanghee CHO, Sun Hyung KIM, Hyung Kuk JU
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Patent number: 11931683Abstract: A scrubber system may include a scrubber housing including a vertically extended cleaning space, an inflow chamber coupled to a bottom portion of the scrubber housing, and first and second inflow portions, each of which is configured to supply a gas into the inflow chamber. The inflow chamber may include a mixing space, and the mixing space may be connected to the cleaning space. The first inflow portion may include a first connection pipe coupled to the inflow chamber to provide a first connection path and the second inflow portion may include a second connection pipe coupled to the inflow chamber to provide a second connection path. The first and second connection paths may be extended toward the mixing space in opposite directions, respectively, and may be connected to opposite portions of the mixing space, respectively.Type: GrantFiled: October 15, 2021Date of Patent: March 19, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Young Seok Roh, Suji Gim, Heesub Kim, Hee Ock Park, Jongyong Bae, Sung Chul Yoon, Sunsoo Lee, Dong Keun Jeon, Jinkyoung Joo
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Patent number: 10357228Abstract: An image processing method and an image processing apparatus are provided. The image processing method measures a myocardial performance index (MPI), the image processing method including: obtaining a region of interest (ROI) for measuring the MPI, based on signal levels of an input signal and an output signal of a heart spectrum image; obtaining a plurality of marker areas, within the obtained ROI, wherein at least one marker for measuring the MPI is located in each of the plurality of marker areas, based on at least one from among a feature value of the input signal and a feature value of the output signal; and obtaining the at least one marker for each of the plurality of marker areas.Type: GrantFiled: April 2, 2013Date of Patent: July 23, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-chul Yoon, Hyun-taek Lee, Hae-kyung Jung
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Patent number: 10201326Abstract: Disclosed is a method for operating an ultrasonic diagnostic apparatus. The method includes transmitting separate first and second ultrasonic signals to an object, receiving a first echo signal which corresponds to the first ultrasonic signal and a second echo signal which corresponds to the second ultrasonic signal, separating the received first and second echo signals in order to generate first ultrasonic data which corresponds to the first echo signal and second ultrasonic data which corresponds to the second echo signal, and displaying a first ultrasonic image which is generated based on the first ultrasonic data and a second ultrasonic image which is generated based on the second ultrasonic data. The first ultrasonic image is an ultrasonic image of a first cross-sectional surface of the object, and the second ultrasonic image is an ultrasonic image of a second cross-sectional surface of the object.Type: GrantFiled: June 23, 2014Date of Patent: February 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-chul Yoon, Hae-kyung Jung, Hyun-taek Lee
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Patent number: 9881125Abstract: A method for measuring biometrics of an object includes receiving an image of an object, modeling the object to identify a portion of the object, and measuring biometrics of the object based on a modeling result the object.Type: GrantFiled: January 4, 2013Date of Patent: January 30, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hae-kyung Jung, Hee-chul Yoon, Hyun-taek Lee, Yong-je Kim, Jae-hyun Kim, Myung-jin Eom
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Publication number: 20170105705Abstract: Disclosed are a method and an apparatus, which enhance a quality of an ultrasound image to provide an improved image. An adaptive demodulation method includes acquiring input radio frequency (RF) data, quadrature-demodulating the input RF data to output an inphase-quadrature (IQ) signal, determining a valid region for the input RF data, and estimating attenuation of a frequency of the IQ signal, based on data included in the valid region among the input RF data and performing frequency compensation corresponding to the estimated attenuation of the frequency.Type: ApplicationFiled: March 17, 2015Publication date: April 20, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-chul YOON, Kang-won JEON, Yong-sup PARK, Hyun-taek LEE
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Patent number: 9346695Abstract: The present inventions relates to an apparatus for purifying wastewater and a method thereof, which comprises: a stirring part to make bubbles impregnated into floc through high speed stirring by adding floc forming materials to influent and stirring them; an air supply part to supply air to the stirring part to make more bubbles impregnated; a pumping part to conduct pressurized conveying of the floc included treatment water; a cyclone part to separate high density floc to downstream and treatment water with low density floc to upstream from the pressurized treatment water; and a flotation part to separate floc from the treatment water with floc supplied from the cyclone part. Therefore, the present invention have an effect that it is possible to improve purification speed of wastewater and obtain good quality of purified water.Type: GrantFiled: August 24, 2012Date of Patent: May 24, 2016Assignees: POSCO ENGINEERING & CONSTRUCTION CO., LTD., BLUEGREENLINK CO., LTD.Inventors: Joo Hyung Ko, Kwan Yeop Kim, Yun Jung Kim, Hyun Bae Kim, Hyoung Gun Kim, Hae Wook Nam, Hee Chul Yoon, Yu Seong Won, Jae Woong Park, Young Hwa Choi
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Publication number: 20150021272Abstract: The present inventions relates to an apparatus for purifying wastewater and a method thereof, which comprises: a stirring part to make bubbles impregnated into floc through high speed stirring by adding floc forming materials to influent and stirring them; an air supply part to supply air to the stirring part to make more bubbles impregnated; a pumping part to conduct pressurized conveying of the floc included treatment water; a cyclone part to separate high density floc to downstream and treatment water with low density floc to upstream from the pressurized treatment water; and a flotation part to separate floc from the treatment water with floc supplied from the cyclone part. Therefore, the present invention have an effect that it is possible to improve purification speed of wastewater and obtain good quality of purified water.Type: ApplicationFiled: August 24, 2012Publication date: January 22, 2015Applicants: POSCO ENGINEERING & CONSTRUCTION CO., LTD., BLUEGREENLINK CO., LTD.Inventors: Joo Hyung Ko, Kwan Yeop Kim, Yun Jung Kim, Hyun Bae Kim, Hyoung Gun Kim, Hae Wook Nam, Hee Chul Yoon, Yu Seong Won, Jae Woong Park, Young Hwa Choi
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Publication number: 20150011885Abstract: Disclosed is a method for operating an ultrasonic diagnostic apparatus. The method includes transmitting separate first and second ultrasonic signals to an object, receiving a first echo signal which corresponds to the first ultrasonic signal and a second echo signal which corresponds to the second ultrasonic signal, separating the received first and second echo signals in order to generate first ultrasonic data which corresponds to the first echo signal and second ultrasonic data which corresponds to the second echo signal, and displaying a first ultrasonic image which is generated based on the first ultrasonic data and a second ultrasonic image which is generated based on the second ultrasonic data. The first ultrasonic image is an ultrasonic image of a first cross-sectional surface of the object, and the second ultrasonic image is an ultrasonic image of a second cross-sectional surface of the object.Type: ApplicationFiled: June 23, 2014Publication date: January 8, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-chul YOON, Hae-kyung JUNG, Hyun-taek LEE
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Publication number: 20140371591Abstract: Provided are a method and apparatus for automatically detecting a mid-sagittal plane of an object by using an ultrasonic image. The method includes obtaining an ultrasonic image for detecting the mid-sagittal plane; detecting a face of the object from the ultrasonic image; detecting a landmark from the detected face; detecting landmark information which includes at least one of brightness and a form of the detected landmark; and detecting a mid-sagittal plane of the object by using the landmark information.Type: ApplicationFiled: December 21, 2012Publication date: December 18, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hae-kyung Jung, Hee-chul Yoon, Hyun-taek Lee, Yong-je Kim, Jae-hyun Kim, Young-ho Moon
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Patent number: 8848994Abstract: An image processing apparatus includes: an image receiver which receives a predetermined image obtained by photographing a fetus; and a controller which detects a head region and a torso region of the fetus from the predetermined image, and which models a shape of the fetus by using at least one of a first contoured shape corresponding to the detected head region, a second contoured shape corresponding to the detected torso region, a first axis that is the central axis of the detected head region, and a second axis that is the central axis of the detected torso region, to model the fetus so that biometric data of the fetus can be easily measured.Type: GrantFiled: January 11, 2013Date of Patent: September 30, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-taek Lee, Hee-chul Yoon, Hae-kyung Jung, Jae-chool Lee
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Publication number: 20140276045Abstract: A method of and apparatus for processing ultrasound data acquired from an object is provided. With the methods and apparatuses of the exemplary embodiments, speckles in an ultrasound image are reduced by using scan line information of an ultrasound signal applied to the object prior to scan conversion of the ultrasound image.Type: ApplicationFiled: December 11, 2013Publication date: September 18, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-yoon LEE, Hyun-taek LEE, Hee-chul YOON, Jin-woo YIM, Young-ho MOON, Kiwon SOHN, Hae-kyung JUNG
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Publication number: 20130281862Abstract: An image processing method and an image processing apparatus are provided. The image processing method measures a myocardial performance index (MPI), the image processing method including: obtaining a region of interest (ROI) for measuring the MPI, based on signal levels of an input signal and an output signal of a heart spectrum image; obtaining a plurality of marker areas, within the obtained ROI, wherein at least one marker for measuring the MPI is located in each of the plurality of marker areas, based on at least one from among a feature value of the input signal and a feature value of the output signal; and obtaining the at least one marker for each of the plurality of marker areas.Type: ApplicationFiled: April 2, 2013Publication date: October 24, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-chul YOON, Hyun-taek LEE, Hae-kyung JUNG
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Publication number: 20130016890Abstract: A method of processing an image is disclosed. The method includes transforming an original image to generate an edge image by using multi-resolution transformation; performing a first image enhancement process on the edge image according to a type of original image; generating an inverse transform image by performing inverse multi-resolution transformation on the edge image; and performing a second image enhancement process on the inverse transform image according to a type of original image, thereby enhancing image quality.Type: ApplicationFiled: July 13, 2012Publication date: January 17, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-taek LEE, Jae-chool LEE, Hyun-seung LEE, Hae-kyung JUNG, Jong-geun PARK, Hee-chul YOON