Patents by Inventor Cheol Hwan Kim
Cheol Hwan 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: 20180277341Abstract: The fluoro-based polymer composite target for sputtering according to the present invention is excellent in adhesion with a metal electrode to which a voltage is applied, can prevent bending, and is capable of stably forming plasma by imparting conductivity even with industrially widely used DC and MF power supply systems, thereby allowing a fluorinated polymer to be effectively deposited on an adherend by sputtering.Type: ApplicationFiled: January 28, 2016Publication date: September 27, 2018Inventors: Sang Jin LEE, Jae Heung LEE, Woo Jin CHOI, Cheol Hwan KIM, Sung Hyun KIM, Seong Geun CHO, Dong Seok HAM, Kwang Je KIM, Dong Soon PARK, Jae Seong PARK
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Publication number: 20180252979Abstract: The present application relates to an electrochromic device. In one aspect, the electrochromic device includes an electrochromic element including a first electrode, a second electrode, an electrochromic layer, an ion storage layer and the second electrode. The electrochromic device also includes controller configured to change a state of the electrochromic element to change to at least one of a first state having a first transmittance, a second state having a second transmittance, a third state having a third transmittance, or a fourth state having a fourth transmittance by applying power to the electrochromic element. When a first voltage is applied to the electrochromic element in a first state, the electrochromic element becomes the second state, and when the first voltage is applied to the electrochromic element in a fourth state, the electrochromic element becomes the third state.Type: ApplicationFiled: December 15, 2017Publication date: September 6, 2018Inventors: Sang Hyun Park, Byoung Dong Kim, Youn Chul Choi, Sang Woo Yoo, Cheol Hwan Kim, Jin Ah Sohn
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Patent number: 10066315Abstract: An embodiment comprises: a chamber; a crucible provided in the chamber and accommodating a molten liquid which is a raw material for single crystal growth; a crucible screen disposed on the upper end of the crucible; and a moving unit for raising or lowering the crucible screen, wherein the crucible screen and a first upper adiabatic unit are raised to control the stroke distance, thereby preventing the impossibility of a lift-off process caused by a shortage of the stroke distance and the generation of cracks in single crystals.Type: GrantFiled: November 19, 2014Date of Patent: September 4, 2018Assignee: SK SILTRON CO., LTD.Inventors: In Sik Bang, Cheol Hwan Kim
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Publication number: 20180124235Abstract: The present invention relates to an apparatus for reverse power feeding in accordance with communication line environments and a method thereof, which measure line resistance (e.g., a difference in impedance depending on a distance between a customer premise (CP) and a distribution point (DP)) of a communication line (e.g., a twisted pair copper wire) connected to a distribution point at a customer premise and reflect the measured line resistance to perform stable power feeding to the distribution point.Type: ApplicationFiled: November 2, 2017Publication date: May 3, 2018Inventors: Cheol Hwan KIM, Jae Kug KIM
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Patent number: 9657411Abstract: Disclosed is a single-crystal growth apparatus including a chamber, a crucible provided in the chamber and configured to accommodate a melt that is a raw material for single-crystal growth, a heater disposed between the crucible and a side wall of the chamber and heating the crucible, and a crucible screen disposed on an upper end of the crucible, and the crucible screen has a bending member reflecting a radiant heat generated from the melt in the crucible to inside wall of the crucible.Type: GrantFiled: December 19, 2013Date of Patent: May 23, 2017Assignee: LG Siltron IncorporatedInventors: Chang Youn Lee, Do Won Song, Jun Hyuk Choi, Jin Ho Son, Cheol Hwan Kim
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Publication number: 20160298260Abstract: An embodiment comprises: a chamber; a crucible provided in the chamber and accommodating a molten liquid which is a raw material for single crystal growth; a crucible screen disposed on the upper end of the crucible; and a moving unit for raising or lowering the crucible screen, wherein the crucible screen and a first upper adiabatic unit are raised to control the stroke distance, thereby preventing the impossibility of a lift-off process caused by a shortage of the stroke distance and the generation of cracks in single crystals.Type: ApplicationFiled: November 19, 2014Publication date: October 13, 2016Inventors: In Sik BANG, Cheol Hwan KIM
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Patent number: 9234696Abstract: A refrigerator controls the temperature of an upper space and a lower space. A heat source supplier provides heat in the upper space. A control unit controls the heat source supplier based on the sensed temperature from a temperature sensor to maintain the temperature of the upper space to be higher than the temperature of the lower space, and control a cooling circuit to maintain the temperature of the lower space to be below the temperature of a maximum ice crystal formation zone of water and the temperature of the upper space to be over the temperature of the maximum ice crystal formation zone of water, thus maintaining a supercooled state of a stored liquid in the container as a preset state during a first time period.Type: GrantFiled: December 10, 2009Date of Patent: January 12, 2016Assignee: LG ELECTRONICS INC.Inventors: Deok-Hyun Youn, Ju-Hyun Kim, Sang-Ho Oh, Cheol-Hwan Kim, Hoon-Bong Lee
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Patent number: 9234697Abstract: A refrigerator includes a control apparatus and a storing space composed of an upper space and a lower space between which the air or heat exchange is limited. The storing space has a liquid in a supercooled state. A determination unit calculates an accumulated time during which the temperature of the storing space is maintained in a supercooling temperature range below the maximum ice crystal formation zone of the stored liquid after the sensed temperature enters the supercooling temperature range, compares the accumulated time with a supercooled-state determination time and determines that the stored liquid is in the supercooled state if the accumulated time is equal to or greater than the supercooled-state determination time.Type: GrantFiled: December 10, 2009Date of Patent: January 12, 2016Assignee: LG ELECTRONICS INC.Inventors: Deok-Hyun Youn, Ju-Hyun Kim, Sang-Ho Oh, Cheol-Hwan Kim, Hoon-Bong Lee
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Publication number: 20150354092Abstract: Disclosed is a single-crystal growth apparatus including a chamber, a crucible provided in the chamber and configured to accommodate a melt that is a raw material for single-crystal growth, a heater disposed between the crucible and a side wall of the chamber and heating the crucible, and a crucible screen disposed on an upper end of the crucible, and the crucible screen has a bending member reflecting a radiant heat generated from the melt in the crucible to inside wall of the crucible.Type: ApplicationFiled: December 19, 2013Publication date: December 10, 2015Inventors: Chang Youn LEE, Do Won SONG, Jun Hyuk CHOI, Jin Ho SON, Cheol Hwan KIM
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Patent number: 9134059Abstract: The present invention relates to a cooling apparatus with a passage therein to introduce the cool air from a cooling space into a non-freezing apparatus to cool a lower space of the non-freezing apparatus. A cooling apparatus includes a cooling space supplied with the cool air, a non-freezing apparatus installed in the cooling space and storing food in a non-frozen state, a cooling passage for introducing the cool air from the cooling space into the non-freezing apparatus, and a discharge passage for discharging the flow from the non-freezing apparatus to the cooling space.Type: GrantFiled: January 7, 2010Date of Patent: September 15, 2015Assignee: LG ELECTRONICS INC.Inventors: Won-Young Chung, Jae-Hyun Soh, Cheol-Hwan Kim, Ju-Hyun Kim
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Patent number: 8998182Abstract: Provided is a damping device including a cylindrical body sealed with an inner cover and an outer cover at both ends, a support rod coupled to one end of the cylindrical body to perform an axial motion, the support rod including a moving plate having a damping orifice in the cylindrical body, the support rod including a nut configured to adjust a length of the support rod at an inner side end received in the cylindrical body, and a buffering device configured to store elastic energy in one of a first spring and a second spring based on a moving direction of the moving plate, the buffering device including the first spring inserted in the inner cover, the second spring inserted in the outer cover, and a lubricant in the cylindrical body.Type: GrantFiled: December 18, 2013Date of Patent: April 7, 2015Assignees: Kyungpook National University Industry-Academic Cooperation Foundation, Leader's Industrial Co., Ltd.Inventors: Cheol-Hwan Kim, Cheon-Gi Do
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Publication number: 20140183802Abstract: Provided is a damping device including a cylindrical body sealed with an inner cover and an outer cover at both ends, a support rod coupled to one end of the cylindrical body to perform an axial motion, the support rod including a moving plate having a damping orifice in the cylindrical body, the support rod including a nut configured to adjust a length of the support rod at an inner side end received in the cylindrical body, and a buffering device configured to store elastic energy in one of a first spring and a second spring based on a moving direction of the moving plate, the buffering device including the first spring inserted in the inner cover, the second spring inserted in the outer cover, and a lubricant in the cylindrical body.Type: ApplicationFiled: December 18, 2013Publication date: July 3, 2014Applicants: Leader's Industrial Co., Ltd., Kyungpook National University Industry-Academic Cooperation FoundationInventors: Cheol-Hwan KIM, Cheon-Gi DO
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Patent number: 8677770Abstract: The present invention relates to a supercooling method and a supercooling apparatus which can maintain an object in a supercooled state. According to the present invention, a supercooling method includes a first cooling step of cooling a stored object toward a cooling temperature below a phase transition temperature thereof, a step of judging whether the stored object is released from a supercooled state in the first cooling step, a step of thawing the stored object when the stored object is released from the supercooled state, and a second cooling step of cooling the stored object toward a cooling temperature below zero that is higher than the lowest temperature of the stored object before the release of the supercooled state, wherein the first cooling step is continuously performed when the object is maintained in the supercooled state.Type: GrantFiled: March 10, 2008Date of Patent: March 25, 2014Assignee: LG Electronics Inc.Inventors: Su-Cheong Kim, Jong-Min Shin, Deok-Hyun Youn, Jae-Hyun Soh, Cheol-Hwan Kim, Won-Young Chung, Hoon-Bong Lee
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Patent number: 8616008Abstract: The present invention discloses a non-freezing refrigerator which can keep the contents in a non-frozen state by an electric field. The non-freezing refrigerator includes a setting unit for selecting and setting a magnitude and frequency of a voltage, a generating unit for generating an electric field according to the voltage having the set magnitude and frequency, and applying the electric field to a storing space for storing the contents, and a freezing cycle for cooling the storing space. The contents are kept in the non-frozen state below a phase transition temperature.Type: GrantFiled: December 20, 2006Date of Patent: December 31, 2013Assignee: LG Electronics Inc.Inventors: Su-Cheong Kim, Jong-Min Shin, Su-Won Lee, Cheol-Hwan Kim, Yong-Chol Kwon, Ku-Young Son
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Patent number: 8572990Abstract: The present invention discloses an apparatus for supercooling which can stably maintain a liquid in a supercooled state at below a phase transition temperature. The apparatus for supercooling, which can maintain a supercooled state of a liquid or contents even below a phase transition temperature, comprises: a storage space for storing a container accommodating a liquid or contents containing the liquid; a cooling means for cooling the liquid or contents or the storage space below the phase transition temperature of the liquid or the contents; and a temperature maintaining unit for applying energy to the surface of the liquid or contents or to a gas near the surface, wherein the liquid or the contents are maintained in a supercooled state by preventing freezing nuclei from being formed on the surface of the liquid or contents or in the gas near the surface by application of energy.Type: GrantFiled: September 22, 2008Date of Patent: November 5, 2013Assignee: LG Electronics Inc.Inventors: Won-Young Chung, Jong-Min Shin, Deok-Hyun Youn, Jae-Hyun Soh, Cheol-Hwan Kim, Hoon-Bong Lee, Su-Cheong Kim
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Patent number: 8397521Abstract: The present invention relates to a supercooling recognition method and a supercooling apparatus which can rapidly and precisely judge whether a stored object is maintained in a supercooled state on the basis of a temperature thereof. A supercooling recognition method according to the present invention includes the steps of: cooling a stored object to below a temperature of a maximum ice crystal formation zone thereof; and judging whether the stored object is maintained in a supercooled state on the basis of a temperature thereof during the cooling step.Type: GrantFiled: September 22, 2008Date of Patent: March 19, 2013Assignee: LG Electronics Inc.Inventors: Su-Cheong Kim, Jong-Min Shin, Deok-Hyun Youn, Jae-Hyun Soh, Cheol-Hwan Kim, Won-Young Chung, Hoon-Bong Lee
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Patent number: 8215933Abstract: A scroll compressor and a refrigerating machine including the same are provided. In the scroll compressor, an oil supply hole formed in an orbiting scroll guides oil from a space between a frame and the orbiting scroll to a space between a fixed scroll and the orbiting scroll, and an oil supply groove formed at the fixed scroll maintains communication with the oil supply hole, thereby rapidly supplying oil to a bearing surface between the fixed scroll and the orbiting scroll before the oil is introduced into a back pressure chamber. This enhances compressor efficiency by effectively preventing frictional losses and refrigerant leakage in such a compressor, and enhances energy efficiency for a refrigerating machine using such a compressor.Type: GrantFiled: June 8, 2009Date of Patent: July 10, 2012Assignee: LG Electronics Inc.Inventors: Cheol-Hwan Kim, Sung-Yong Ahn, Byung-Kil Yoo, Yong-Kyu Choi, Byeong-Chul Lee, Yang-Hee Cho, Se-Heon Choi
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Patent number: 8196424Abstract: The present invention discloses an apparatus for supercooling and a method of maMng slush thr?gh supercooling which generate a supercooled liquid by supplying cool air and energy, control the state of the supercooled liquid, store and supply the supercooled liquid, generate slush by applying an external force to the supercooled liquid, maintain the state of the slush, and supply the slush.Type: GrantFiled: September 27, 2006Date of Patent: June 12, 2012Assignee: LG Electronics Inc.Inventors: Su-Cheong Kim, Jong-Min Shin, Su-Won Lee, Cheol-Hwan Kim, Yong-Chol Kwon, Ku-Young Son
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Patent number: 8151576Abstract: The present invention discloses a refrigerator including a liquid, cool air supplied to supercool the liquid, and a preventing means for preventing the liquid from existing as a solid phase, and a method of operating the refrigerator. The preventing means is at least one of an energy generator for supplying energy to the liquid supplied with the cool air to maintain the liquid in the supercooled state, a restricting member for interrupting the motion of the liquid, and a heater for converting the liquid converted into a solid phase into the liquid.Type: GrantFiled: September 27, 2006Date of Patent: April 10, 2012Assignee: LG Electronics Inc.Inventors: Su-Cheong Kim, Jong-Min Shin, Su-Won Lee, Cheol-Hwan Kim, Yong-Chol Kwon, Ku-Young Son
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Patent number: 8129745Abstract: The instant pulse filter according to the present invention, which may cause a malfunction or a short life span of a semiconductor device, is made using an aluminum anodic oxidation, comprising—a first step for forming an aluminum thin film layer on an upper side of an insulator substrate; a second step for forming an aluminum oxide thin film layer having a pore by oxidizing the aluminum thin film layer by means of an anodic oxidation; a third step for depositing a metallic material on an upper side of the aluminum thin film layer for filling the pore; a fourth step for forming a nano rod in the interior of the aluminum oxide thin film layer by eliminating the metallic material deposited except in the pore; a fifth step for forming an internal electrode on an upper side of the aluminum oxide thin film layer having the nano rod; a sixth step for forming a protective film layer on an upper side of the same in order to protect the aluminum oxide thin film layer and the internal electrode from the external enviroType: GrantFiled: April 3, 2009Date of Patent: March 6, 2012Assignee: Nextron CorporationInventors: Hak Beom Moon, Jin Hyung Cho, Suc Hyun Bang, Cheol Hwan Kim, Yoon Hyung Jang