Patents by Inventor In Seok Oh
In Seok Oh 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: 11955943Abstract: A semiconductor device includes an on-die resistor circuit comprising an on-die resistor, a calibration circuit configured to perform a calibration operation on the on-die resistor, and a calibration control circuit configured to control the calibration operation of the calibration circuit. The calibration circuit includes a current generating circuit configured to supply a calibration current to the on-die resistor and a comparing circuit configured to compare the magnitude of a first input signal that is generated by the calibration current and the on-die resistor with a magnitude of a second input signal that is generated by the calibration current and an external resistor.Type: GrantFiled: February 15, 2023Date of Patent: April 9, 2024Assignee: SK hynix Inc.Inventors: Dong Seok Kim, Joo Won Oh, Keun Jin Chang
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Publication number: 20240113311Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency, caused by a pressure difference between the inside and the outside of the membrane humidifier. The membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part formed between the middle case and the module insertion part to prevent expansion of the module insertion part due to a pressure difference between the inside and the outside of the middle case or relieve the pressure difference according to output states of the fuel cell.Type: ApplicationFiled: March 8, 2022Publication date: April 4, 2024Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
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Publication number: 20240108001Abstract: An antibacterial composition according to an exemplary embodiment of the present technology comprises one or more compounds comprising a quaternary ammonium structure having an acrylate group or a methacrylate group, in which a critical micelle concentration of the compound comprising the quaternary ammonium structure is 0.1 wt % to 3 wt %.Type: ApplicationFiled: July 13, 2022Publication date: April 4, 2024Applicant: LG Chem, Ltd.Inventors: Yeonjoo Kang, Ji Seok Lee, Soonhee Kang, Sung Joon Oh
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Publication number: 20240103438Abstract: A method and a system thereof for producing a digital holographic screen based on multi-hogel printing are proposed. The system includes a light source unit including lasers, a dichroic mirror for RGB three color matching, mirrors, a beam splitter, and an optical shutter, an object beam unit including a spatial filter, a lens, and a mirror, a reference beam unit including a spatial filter, a lens, and a mirror, a diffuser fixing unit including a diffuser holder and a diffuser positioned between the object beam unit and a recording material and configured to scatter and diffuse the object beam, a photomask movement unit including a photomask holder, an XY-translation stage, and a photomask positioned between the reference beam unit and the recording medium and on which a grid-shaped on/off binary pattern is printed, and a controller configured to control the optical shutter and the XY-translation stage.Type: ApplicationFiled: November 11, 2021Publication date: March 28, 2024Inventors: Dong Hak SHIN, Yong Seok OH, Jae Hong KIM, Jong sung JUNG, Jae Woo PARK, Jun Yong CHOI
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Publication number: 20240105972Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by the pressure difference between the inside and the outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case in which a module insertion part, including an outer partition wall formed spaced apart from an inner wall of the middle case, is formed; a cap case coupled to the middle case; a hollow fiber membrane module inserted into the module insertion part; and an active pressure buffer part that is formed between the middle case and the module insertion part and prevents the module insertion part from expanding due to the pressure difference between the inside and the outside of the middle case, or resolves the pressure difference, according to the output status of the fuel cell.Type: ApplicationFiled: March 8, 2022Publication date: March 28, 2024Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
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Patent number: 11943987Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.Type: GrantFiled: June 11, 2020Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
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Publication number: 20240093369Abstract: A deposition apparatus includes a chamber providing an inner space, a gate disposed on one side of the chamber and opening and closing the chamber to allow a substrate to be loaded and unloaded therethrough, and a susceptor including one surface on which the substrate is seated. The susceptor includes a susceptor body including a first region and a second region disposed in a first direction farther away from the gate than the first region, a first hot-wire arranged in a first pattern in the first region, and a second hot-wire arranged in a second pattern in the first and second regions. The first and second hot-wires is asymmetric with respect to a second direction crossing the center of the susceptor body in a plan view and orthogonal to the first direction, and the first and second hot-wires may be controlled independently.Type: ApplicationFiled: July 20, 2023Publication date: March 21, 2024Inventors: GIYUL HAM, SEOK-JIN KO, KYUNGSOO OH, HAKSOO LEE
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Publication number: 20240088059Abstract: An electronic device structure having a shielding structure includes a substrate with an electronic component electrically connected to the substrate. The shielding structure includes conductive spaced-apart pillar structures that have proximate ends connected to the substrate and distal ends spaced apart from the substrate, and that are laterally spaced apart from the first electronic component. In one embodiment, the conductive pillar structures are conductive wires attached at one end to the substrate with an opposing end extending away from the substrate so that the conductive wires are provided generally perpendicular to the substrate. A package body encapsulates the electronic component and the conductive spaced-apart pillar structures. In one embodiment, the shielding structure further includes a shielding layer disposed adjacent to the package body, which is electrically connected to the conductive spaced-apart pillar structures.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Applicant: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Young Woo LEE, Jae Ung LEE, Byong Jin KIM, EunNaRa CHO, Ji Hoon OH, Young Seok KIM, Jin Young KHIM, Tae Kyeong HWANG, Jin Seong KIM, Gi Jung KIM
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Patent number: 11929037Abstract: A display device includes a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gate driving part generating a gate voltage using the gate control signal; a display panel including a plurality of subpixels and displaying an image using the data voltage and the gate voltage; and a plurality of first MUX switches and a plurality of second MUX switches sequentially transmitting the data voltage to two of a same color among the plurality of subpixels.Type: GrantFiled: December 21, 2021Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Soon-Hwan Hong, Dae-Seok Oh, Seong-Yeong Kim, Kyung-Ah Chin
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Patent number: 11930684Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.Type: GrantFiled: June 3, 2021Date of Patent: March 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Chang Soon Jang, Keun Chan Oh, Gak Seok Lee, Sang Hun Lee, So Yun Lee, Ji Eun Jang
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Publication number: 20240075318Abstract: The present disclosure relates to a method for carrying out dose delivery quality assurance for high-precision radiation treatment, in which parameters affecting a pass rate of dose delivery quality assurance can be derived through regression analysis, which is a known statistical analysis method, and a pass rate prediction model capable of predicting each parameter and the pass rate of dose delivery quality assurance can be derived, and accordingly, it can be predicted in advance whether dose delivery quality assurance will be passed according to the parameters through the above prediction model, without repeatedly carrying out dose delivery quality assurance according to a patient's treatment plan, and as a result, the efficiency of dose delivery quality assurance can be enhanced, and the time or capacity required for such quality assurance is reduced, such that radiation treatment for an actual patient can be quickly and precisely carried out.Type: ApplicationFiled: December 22, 2021Publication date: March 7, 2024Inventors: Young Nam KANG, Ji Na KIM, Hong Seok JANG, Byung Ock CHOI, Yun Ji SEOL, Tae Geon OH, Na Young AN, Jae Hyeon LEE, Kyu Min HAN, Ye Rim SHIN
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Patent number: 11923280Abstract: A thin semiconductor device with enhanced edge protection, and a method of manufacturing thereof. For example and without limitation, various aspects of this disclosure provide a thin semiconductor device comprising a substrate with an edge-protection region, and a method of manufacturing thereof.Type: GrantFiled: September 2, 2021Date of Patent: March 5, 2024Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.Inventors: Won Bae Bang, Kwang Seok Oh
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Publication number: 20240072553Abstract: An electronic device includes a connector including a pair of terminals connected to a power source, a voltage sensor provided to detect a voltage between the pair of terminals, a communication device provided to perform communication with an external control device through a network, and a controller configured to determine whether the connector is separated from the power source based on a voltage variation between the pair of terminals, control the communication device to request the external control device to cut off power of the power source when the connector is separated from the power source, and control to perform self-discharge.Type: ApplicationFiled: May 3, 2023Publication date: February 29, 2024Inventors: Ji Wan Son, Taewoong Lim, Chan Woong Jo, Dong Seok Oh, Chang Hwan Kim
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Patent number: 11916253Abstract: Disclosed are an electrolyte membrane for a lithium-air battery, a method of manufacturing the same, a cathode for a lithium-air battery, a method of manufacturing the same, and a lithium-air battery including the electrolyte membrane and the cathode. Particularly, the lithium-air battery includes i) an electrolyte membrane, which is manufactured using an inorganic melt admixture including two or more nitrogen-oxide compounds and thus may have a very low eutectic point, and ii) a cathode, which is manufactured by reducing a metal at a fast speed on a carbon material. As such, the lithium-air battery is capable of stably operating even at low temperatures and providing high power output.Type: GrantFiled: December 21, 2020Date of Patent: February 27, 2024Assignees: Hyundai Motor Company, Kia Corporation, Ulsan National Institute of Science and TechnologyInventors: Eun Ji Kwon, Samuel Seo, Gwang Seok Oh, Seok Ju Kang, Kyung Eun Baek
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Patent number: 11913133Abstract: The present invention relates to a method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods, the method including the steps of: manufacturing the single crystal or polycrystalline silicon rods each having the shape of a quadrilateral pillar; putting the single crystal or polycrystalline quadrilateral pillar-shaped silicon rods into the crucible in such a manner as to be arranged close to one another along the inner peripheral surface of the crucible to thus form a space portion inside the single crystal or polycrystalline silicon rods, into which silicon chunks are put, and the oxygen exhaust passages between the inner peripheral surface of the crucible and the respective surfaces of the single crystal or polycrystalline silicon rods oriented toward the inner peripheral surface of the crucible; putting the silicon chunks into the space portion of the crucible; and melting and crystallizing the silicon chunks.Type: GrantFiled: July 6, 2022Date of Patent: February 27, 2024Assignee: Lintech CorporationInventors: Ho Jung You, Dong Nam Shin, Sei Kwang Oh, Jun Seok Lee, Sun Bin Yum, Tae-Woo Kang
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Patent number: 11911060Abstract: Provided is a forceps driving apparatus including a body, a gripper installed to be received in the body and formed to be open and closed, an opening and closing member rotatably installed in the body to press or release two sides of the gripper by rotation, an elastic member connected to one side of the opening and closing member to provide an elastic force to the opening and closing member, an actuator connected to the other side of the opening and closing member to rotate the opening and closing member by contraction or extension, and a force sensing module to measure a gripping force of the gripper during the rotation of the opening and closing member.Type: GrantFiled: August 28, 2020Date of Patent: February 27, 2024Assignee: Korea Institute of Science and TechnologyInventors: Donghyun Hwang, Sungwoo Park, Namseon Jang, Yong Seok Ihn, Jinwoo Jeong, Keehoon Kim, Sang Rok Oh, Sungwook Yang, Sehyuk Yim
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Publication number: 20240063409Abstract: The present invention relates to a fuel cell membrane humidifier which adjusts a clearance between hollow fiber membranes according to a temperature of a fluid flowing between the hollow fiber membranes to improve humidification efficiency. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a mid-case; a cap fastened to the mid-case; a plurality of hollow fiber membranes disposed in the mid-case and exchanging moisture with an air supplied from the outside and flue gas introduced from a fuel cell stack to humidify the air; and a clearance adjustment pipe disposed between the plurality of hollow fiber membranes and formed of a material having a thermal expansion coefficient different from that of the plurality of hollow fiber membranes, so as to adjust the clearance between the plurality of hollow fiber membranes according to a temperature of flue gas.Type: ApplicationFiled: January 27, 2022Publication date: February 22, 2024Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
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Publication number: 20240064404Abstract: A sensor driving device according to an embodiment includes a fixed part; a moving part spaced apart from the fixed part; and a wire part disposed between the fixed part and the moving part, wherein the fixed part includes a first substrate including a first lead pattern part, wherein the moving part includes an elastic member including a second lead pattern part and a sensor disposed on the elastic member, wherein the second lead pattern part includes: a second-first lead pattern part connected to the sensor; a second-second lead pattern part connected to the wire part; and a connection pattern part elastically connecting between the second-first lead pattern part and the second-second lead pattern part; and wherein the wire part has one end connected to the first lead pattern part and the other end connected to the second-second lead pattern part to elastically support the moving part.Type: ApplicationFiled: December 24, 2021Publication date: February 22, 2024Inventor: Jung Seok OH
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Patent number: 11903332Abstract: The present disclosure relates to a superconductor including magnesium diboride and a production method therefor. A superconductor having a high critical current density at a certain temperature and under a certain magnetic field may be obtained by doping magnesium diboride with liquid chloroform during the production of the superconductor.Type: GrantFiled: February 6, 2018Date of Patent: February 13, 2024Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Kook Chae Chung, Young Seok Oh, Seong Hoon Kang, Kiran Prakash Shinde, Mahipal Ranot
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Publication number: 20240041591Abstract: Disclosed are a lifting suture for rhinoplasty and a manufacturing method thereof. A manufacturing method of a lifting suture according to one embodiment of the present disclosure may include forming a lifting suture including a first region and a second region, each of which has cogs formed therein, and forming a connecting region by pressing the lifting suture while the first region and the second region are bent so that a first angle is formed therebetween.Type: ApplicationFiled: October 20, 2023Publication date: February 8, 2024Inventor: Hae seok OH