Patents by Inventor Hyun-chang Kim
Hyun-chang 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).
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Publication number: 20230177995Abstract: A display driving circuit includes a clock signal generator which generates a clock signal at a frequency in response to a frequency control signal, a frequency variation determiner which adaptively changes a frequency variation of the clock signal, based on a magnitude of a deviation between the frequency of the clock signal and a target frequency calculated based on a reference clock signal supplied from the outside, and a frequency controller which generates the frequency control signal which updates the frequency of the clock signal, based on the frequency variation, and provides the frequency control signal to the clock signal generator.Type: ApplicationFiled: January 26, 2023Publication date: June 8, 2023Inventors: Hyun Chang KIM, Se Byung CHAE
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Publication number: 20230139528Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: ApplicationFiled: November 9, 2022Publication date: May 4, 2023Inventors: You-Yeon Won, Hyun Chang Kim
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Patent number: 11608388Abstract: Disclosed herein are compositions comprising insoluble alpha-glucan particles having a high degree of crystallinity and small particle size. For example, the alpha-glucan particles can have a degree of crystallinity of at least about 0.65, and/or an average size of less than a micron. At least 50% of the glycosidic linkages of the insoluble alpha-glucan in the disclosed particles are alpha-1,3 glycosidic linkages. Further disclosed are methods of producing insoluble alpha-glucan particles, as well as their use in various applications and products.Type: GrantFiled: November 5, 2020Date of Patent: March 21, 2023Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Kyle Hyun Chang Kim, Yefim Brun, Lucia Daniela Ionescu, Juan David Londono, Jorge Mok, James Joshua Ohane, Lemuel Tong
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Patent number: 11587487Abstract: A display driving circuit includes a clock signal generator which generates a clock signal at a frequency in response to a frequency control signal, a frequency variation determiner which adaptively changes a frequency variation of the clock signal, based on a magnitude of a deviation between the frequency of the clock signal and a target frequency calculated based on a reference clock signal supplied from the outside, and a frequency controller which generates the frequency control signal which updates the frequency of the clock signal, based on the frequency variation, and provides the frequency control signal to the clock signal generator.Type: GrantFiled: August 26, 2021Date of Patent: February 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Chang Kim, Se Byung Chae
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Patent number: 11497764Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: GrantFiled: November 30, 2020Date of Patent: November 15, 2022Assignee: Purdue Research FoundationInventors: You-Yeon Won, Hyun Chang Kim
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Publication number: 20220223082Abstract: A display driving circuit includes a clock signal generator which generates a clock signal at a frequency in response to a frequency control signal, a frequency variation determiner which adaptively changes a frequency variation of the clock signal, based on a magnitude of a deviation between the frequency of the clock signal and a target frequency calculated based on a reference clock signal supplied from the outside, and a frequency controller which generates the frequency control signal which updates the frequency of the clock signal, based on the frequency variation, and provides the frequency control signal to the clock signal generator.Type: ApplicationFiled: August 26, 2021Publication date: July 14, 2022Inventors: Hyun Chang KIM, Se Byung CHAE
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Patent number: 11270653Abstract: A display device includes the following elements: a display panel comprising pixels; a data driver supplying data signals to the plurality of pixels; a driving voltage supply supplying a first driving voltage to the data driver; a power supply supplying a first input driving voltage to the driving voltage supply; and a timing controller providing control signals to the data driver, the driving voltage supply, and the power supply and providing luminance information and per-second frame rate information of the display panel to the driving voltage supply. The driving voltage supply comprises an input driving voltage adjuster which adjusts the first input driving voltage to a second input driving voltage based on the luminance information and the per-second frame rate information.Type: GrantFiled: January 28, 2021Date of Patent: March 8, 2022Inventors: Hyun Chang Kim, Sung Chun Park, Dong Kwan Han
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Publication number: 20210375214Abstract: A display device includes the following elements: a display panel comprising pixels; a data driver supplying data signals to the plurality of pixels; a driving voltage supply supplying a first driving voltage to the data driver; a power supply supplying a first input driving voltage to the driving voltage supply; and a timing controller providing control signals to the data driver, the driving voltage supply, and the power supply and providing luminance information and per-second frame rate information of the display panel to the driving voltage supply. The driving voltage supply comprises an input driving voltage adjuster which adjusts the first input driving voltage to a second input driving voltage based on the luminance information and the per-second frame rate information.Type: ApplicationFiled: January 28, 2021Publication date: December 2, 2021Inventors: Hyun Chang KIM, Sung Chun PARK, Dong Kwan HAN
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Publication number: 20210226422Abstract: A method for manufacturing a surge absorbing device is provided. The method includes providing an elongate ceramic tube having a hollow space defined therein and having open and opposite first and second end; forming a first plating layer and a second plating layer on the first end and the second end, respectively; placing a surge absorbing element within the hollow space within the ceramic tube; disposing first and second brazing rings on the first plating layer and the second plating layer, respectively; disposing first and second sealing electrodes on the first and second brazing rings respectively; and melting the first and second brazing rings in an inert gas atmosphere to attach the first and second sealing electrodes onto the first plating layer and the second plating layer, respectively.Type: ApplicationFiled: April 6, 2021Publication date: July 22, 2021Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, SMART ELECTRONICS INC.Inventors: Chang-Koo Kim, Hae-Min Lee, Doo Won Kang, Hyun Chang Kim
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Publication number: 20210187010Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: ApplicationFiled: November 30, 2020Publication date: June 24, 2021Applicant: Purdue Research FoundationInventors: You-Yeon Won, Hyun Chang Kim
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Patent number: 11005235Abstract: A method for manufacturing a surge absorbing device is provided. The method includes providing an elongate ceramic tube having a hollow space defined therein and having open and opposite first and second end; forming a first plating layer and a second plating layer on the first end and the second end, respectively; placing a surge absorbing element within the hollow space within the ceramic tube; disposing first and second brazing rings on the first plating layer and the second plating layer, respectively; disposing first and second sealing electrodes on the first and second brazing rings respectively; and melting the first and second brazing rings in an inert gas atmosphere to attach the first and second sealing electrodes onto the first plating layer and the second plating layer, respectively.Type: GrantFiled: August 10, 2016Date of Patent: May 11, 2021Assignees: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, SMART ELECTRONICS INC.Inventors: Chang-Koo Kim, Hae-Min Lee, Doo Won Kang, Hyun Chang Kim
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Publication number: 20210130504Abstract: Disclosed herein are compositions comprising insoluble alpha-glucan particles having a high degree of crystallinity and small particle size. For example, the alpha-glucan particles can have a degree of crystallinity of at least about 0.65, and/or an average size of less than a micron. At least 50% of the glycosidic linkages of the insoluble alpha-glucan in the disclosed particles are alpha-1,3 glycosidic linkages. Further disclosed are methods of producing insoluble alpha-glucan particles, as well as their use in various applications and products.Type: ApplicationFiled: November 5, 2020Publication date: May 6, 2021Inventors: Kyle Hyun Chang Kim, Yefim Brun, Lucia Daniela Ionescu, Juan David Londono, Jorge Mok, James Joshua Ohane, Lemuel Tong
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Publication number: 20200046756Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: ApplicationFiled: October 22, 2019Publication date: February 13, 2020Applicant: Purdue Research FoundationInventors: You-Yeon Won, Hyun Chang Kim
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Patent number: 10485820Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: GrantFiled: January 26, 2018Date of Patent: November 26, 2019Assignee: Purdue Research FoundationInventors: You-Yeon Won, Hyun Chang Kim
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Publication number: 20180254612Abstract: The present disclosure provides a method for manufacturing a surge absorbing device, the method comprising: providing an elongate ceramic tube having a hollow space defined therein and having open and opposite first and second end; forming a first plating layer and a second plating layer on the first end and the second end, respectively; placing a surge absorbing element within the hollow space within the ceramic tube; disposing first and second brazing rings on the first plating layer and the second plating layer, respectively; disposing first and second sealing electrodes on the first and second brazing rings respectively; and melting the first and second brazing rings in an inert gas atmosphere to attach the first and second sealing electrodes onto the first plating layer and the second plating layer, respectively.Type: ApplicationFiled: August 10, 2016Publication date: September 6, 2018Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUN DATION, SMART ELECTRONICS INC.Inventors: Chang-Koo KIM, Hae-Min LEE, Doo Won KANG, Hyun Chang KIM
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Publication number: 20180153926Abstract: Disclosed herein are fully synthetic polymer-based lung surfactant materials, for the first time, as next generation SRT. In vitro studies on these polymer lung surfactants show that the candidate materials effectively mimic the surface tension controlling properties of currently marketed natural lung surfactants. Further, the polymer lung surfactants have strong protein resistance, which makes this class of materials promising also for potential use in Acute Respiratory Distress Syndrome (ARDS) treatment.Type: ApplicationFiled: January 26, 2018Publication date: June 7, 2018Applicant: Purdue Research FoundationInventors: You-Yeon Won, Hyun Chang Kim
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Publication number: 20180047539Abstract: Provided are a fuse resistor and a method of manufacturing the same, more particularly, are a fuse resistor mounted at an electric circuit of an electronic product to prevent the electronic product from breaking down due to inrush current, increase of internal temperature, and continuous overcurrent, and a method of manufacturing the same. The fuse resistor is capable of simplifying an assembly process by coupling a thermal fuse and a lead wire in a modularized manner and by fixing a fusing lead wire to the lead wire in an integrated manner to form a lower molding unit, and a method of manufacturing the same. The fuse resistor has a simple structure and is capable of being miniaturized as an integrated structure of the thermal fuse and the lead wire is inserted, and a method of manufacturing the same.Type: ApplicationFiled: August 10, 2016Publication date: February 15, 2018Inventors: Doo Won KANG, Hyun Chang KIM, Hwang Je MUN, A Lam SHIN
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Patent number: 9753532Abstract: An image processing method includes receiving a first image rendered by a graphics processing unit (GPU) from the GPU, comparing the first image with a second image rendered by the GPU before the first image, and controlling a rendering frequency of the GPU based on a result of comparing the first image with the second image.Type: GrantFiled: July 1, 2015Date of Patent: September 5, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-Gwan Kim, Taek-Hyun Kim, Hyun-Chang Kim, Chan-Wook Park, Jung-Min Oh
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Patent number: 9735551Abstract: A surge absorber and a manufacturing method thereof are disclosed. Since a ceramic material with excellent mechanical strength is used to form a ceramic tube and the ceramic tube is joined to sealing electrodes by use of brazing rings according to the method of manufacturing the surge absorber, durability of the surge absorber is considerably improved. Since the ceramic tube is completely sealed, the surge absorber may be stably used at a high voltage.Type: GrantFiled: November 11, 2013Date of Patent: August 15, 2017Assignee: SMART ELECTRONICS INC.Inventors: Jong il Jung, Doo Won Kang, Gyu Jin Ahn, Sang Joon Jin, Hyun Chang Kim, Kyung Mi Lee, Dong Ho Jeon, Dong Jin Kang
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Patent number: 9722418Abstract: Disclosed is a complex protection device including a substrate, fuse terminals provided on the substrate, first resistive terminals provided on the substrate so as to be separated from the fuse terminals, second resistive terminals provided on the substrate opposite to the first resistive terminals across the fuse terminals, a fusible element connected to the fuse terminals, a first surface-mounted resistive element connected to the first resistive terminals, a second surface-mounted resistive element connected to the second resistive terminals, at least one printed resistive element connected to at least one of the first resistive terminals and the second resistive terminals and connected to at least one of the first surface-mounted resistive element and the second surface-mounted resistive element, and a switching element controlling flow of current to the first and second surface-mounted resistive elements and the at least one printed resistive element if overvoltage is applied.Type: GrantFiled: February 26, 2015Date of Patent: August 1, 2017Assignee: SMART ELECTRONICS INC.Inventors: Doo Won Kang, Hyun Chang Kim, Kwang Beom Kim, Saeng Soo Yun, Hyuk Jae Kwon