Patents by Inventor Chang-Hyun Shin
Chang-Hyun Shin 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: 11982462Abstract: An air conditioner includes a cabinet including an inlet port and a frame including an outlet port and coupled to the cabinet. A heat exchanger is disposed between the cabinet and the frame to exchange heat with air introduced into the inlet port and discharged to the outlet port. A blocking member is configured to connect the frame and the heat exchanger to prevent air heat-exchanged with the heat exchanger from leaking into the cabinet. This structure inhibits dew from being generated on the cabinet.Type: GrantFiled: October 8, 2019Date of Patent: May 14, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang-Woo Jung, Sung Jae Kim, Jin-Gyun Kim, Young Tae Song, Hae Gyun Shin, Chang Sik Lee, Seo Young Cho, Sung Hyun Chun
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Patent number: 11967503Abstract: Provided are a method of depositing a thin film and a method of manufacturing a semiconductor device using the same, and the method of depositing a thin film uses a substrate processing apparatus including a chamber, a substrate support on which a substrate is mounted, a gas supply unit, and a power supply unit that supplies high-frequency and low-frequency power to the chamber, and includes: a step of mounting, on the substrate support, the substrate including a lower thin film deposited under the condition of a process temperature in a low temperature range; a step of depositing an upper thin film on the lower thin film under the condition of the process temperature in the low temperature range; and a step of treating a surface of the upper thin film under the condition of the process temperature in the low temperature range.Type: GrantFiled: June 28, 2021Date of Patent: April 23, 2024Assignee: WONIK IPS CO., LTD.Inventors: Su In Kim, Young Chul Choi, Chang Hak Shin, Min Woo Park, Ji Hyun Kim, Kyung Mi Kim
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Publication number: 20240099129Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.Type: ApplicationFiled: November 7, 2023Publication date: March 21, 2024Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
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Publication number: 20240090325Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.Type: ApplicationFiled: November 7, 2023Publication date: March 14, 2024Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
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Publication number: 20240066092Abstract: Provided are a curcumin nanoparticle complex having a modified particle surface and a method for preparing same. A curcumin nanoparticle complex includes curcumin and phospholipids and has a particle size of less than 1000 nm. A first coating layer containing a cationic material and/or a second coating layer containing an anionic material can be further added.Type: ApplicationFiled: September 1, 2023Publication date: February 29, 2024Applicant: BINOTEC CO., LTD.Inventors: Gi Hyun Jang, Chang Hwan Seok, Ji Won Shin, Yun Geum Sang Gwak, Yu Mi Kim
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Publication number: 20230395821Abstract: The present disclosure relates to a separator for a fuel cell and a manufacturing method of the same. The manufacturing method of the separator for a fuel cell includes: an unevenness forming step of forming a fine-sized unevenness on a surface of a metal base material; and a coating layer forming step of forming a coating layer by coating carbon on the surface of the metal base material on which the unevenness is formed. Through the manufacturing method, it is possible to obtain an effect of improving water discharge performance and adhesion between the metal base material and the coating layer by forming unevenness on a surface of a metal base material, and then forming a coating layer.Type: ApplicationFiled: September 17, 2021Publication date: December 7, 2023Inventors: Soo Jin Chung, Seung Gyun AHN, Chang Hyun SHIN, Se Heon KIM, Soon Tae PARK
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Patent number: 11322291Abstract: A coil component includes a magnetic body and a coil portion embedded in the magnetic body. The coil portion includes an internal insulating layer, coil patterns disposed on opposite surfaces of the internal insulating layer, an insulating wall disposed between turns of a coil pattern, an external insulating layer disposed on the insulating wall and the coil pattern, and a connection portion including a first conductive layer and a second conductive layer having a melting point lower than a melting point of the first conductive layer, and penetrating through the internal insulating layer to connect the coil patterns disposed on the opposite surfaces of the internal insulating layer to each other.Type: GrantFiled: September 10, 2018Date of Patent: May 3, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seong Min Cho, Chang Hyun Shin, Sang Seob Kim
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Publication number: 20190252109Abstract: A coil component includes a magnetic body and a coil portion embedded in the magnetic body. The coil portion includes an internal insulating layer, coil patterns disposed on opposite surfaces of the internal insulating layer, an insulating wall disposed between turns of a coil pattern, an external insulating layer disposed on the insulating wall and the coil pattern, and a connection portion including a first conductive layer and a second conductive layer having a melting point lower than a melting point of the first conductive layer, and penetrating through the internal insulating layer to connect the coil patterns disposed on the opposite surfaces of the internal insulating layer to each other.Type: ApplicationFiled: September 10, 2018Publication date: August 15, 2019Inventors: Seong Min CHO, Chang Hyun SHIN, Sang Seob KIM
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Patent number: 8826880Abstract: The present invention provides a valve for an engine and a method for treating the surface thereof. The valve for the engine includes a buffer layer, an intermediate layer, a TiAlN/CrN first nanostructured multilayer, and a TiAlCN/CrCN second nanostructured multilayer. The buffer layer is coated over a surface of a stem part as a lowermost layer and is formed of Ti or Cr. The intermediate layer is coated over the buffer layer and is formed of CrN, TiN, or TiCN. The TiAlN/CrN first nanostructured multilayer is coated over the intermediate layer. The TiAlCN/CrCN second nanostructured multilayer is coated over the TiAlN/CrN first nanostructured multilayer as an uppermost layer.Type: GrantFiled: May 29, 2012Date of Patent: September 9, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Young Joon Kang, Sung Chul Cha, Chang Hyun Shin, Jun Seok Lee
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Publication number: 20130220262Abstract: The present invention provides a valve for an engine and a method for treating the surface thereof. The valve for the engine includes a buffer layer, an intermediate layer, a TiAlN/CrN first nanostructured multilayer, and a TiAlCN/CrCN second nanostructured multilayer. The buffer layer is coated over a surface of a stem part as a lowermost layer and is formed of Ti or Cr. The intermediate layer is coated over the buffer layer and is formed of CrN, TiN, or TiCN. The TiAlN/CrN first nanostructured multilayer is coated over the intermediate layer. The TiAlCN/CrCN second nanostructured multilayer is coated over the TiAlN/CrN first nanostructured multilayer as an uppermost layer.Type: ApplicationFiled: May 29, 2012Publication date: August 29, 2013Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Young Joon Kang, Sung Chul Cha, Chang Hyun Shin, Jun Seok Lee
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Publication number: 20130214493Abstract: Disclosed is a piston ring having a multi-layer coating. The piston ring includes a buffer layer, a intermediate layer, a TiAlN/CrN nano multilayer, and a TiAlCN layer. The buffer layer is coated over a base material of a piston ring. The intermediate layer is coated over the buffer layer. The TiAlN/CrN nano multilayer is coated over the intermediate layer. The TiAlCN layer is coated over the TiAlN/CrN nano multilayer as an outermost surface layer.Type: ApplicationFiled: May 29, 2012Publication date: August 22, 2013Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Sung Chul Cha, Chang Hyun Shin, Ji Hwan Yun
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Publication number: 20130200572Abstract: The present disclosure provides a vehicle piston ring having a multi-layer coating. The vehicle piston ring includes a Cr or Ti buffer layer, a CrN or Ti(C)N intermediate layer, a first TiAlN/CrN nano multi-layer, and a second TiAlCN/CrCN nano multi-layer. The Cr or Ti buffer layer is coated over the base material of the piston ring. The CrN or Ti(C)N intermediate layer is coated over the Cr or Ti buffer layer. The first TiAlN/CrN nano multilayer is coated over the CrN or Ti(C)N intermediate layer. The second TiAlCN/CrCN nano multilayer is coated over the first TiAlN/CrN nano multilayer as an outermost surface layer.Type: ApplicationFiled: June 20, 2012Publication date: August 8, 2013Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Sung Chul Cha, Chang Hyun Shin, Ji Hwan Yun
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Patent number: 8432344Abstract: The present invention provides a liquid crystal display comprising a pixel electrode comprising a first sub-pixel electrode, a second sub-pixel electrode and a third sub-pixel electrode, separated from each other; a first thin film transistor connected to the first sub-pixel electrode; a second thin film transistor connected to the second sub-pixel electrode; a gate line connected to the first thin film transistor and the second thin film transistor; a data line, insulated from and crossing the gate line, connected to the first thin film transistor and the second thin film transistor; and a first storage line, parallel with the gate line, extending across the first sub-pixel electrode, wherein the first and second thin film transistors comprise a gate electrode connected to the gate line, a source electrode connected to the data line and a drain electrode connected to the first sub-pixel electrode and the second sub-pixel electrode respectively, and the drain electrode of the first or second thin film transisType: GrantFiled: May 27, 2008Date of Patent: April 30, 2013Assignee: Samsung Display Co., Ltd.Inventors: Joo-seok Yeom, Chang-hyun Shin
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Publication number: 20090295693Abstract: The present invention provides a liquid crystal display comprising a pixel electrode comprising a first sub-pixel electrode, a second sub-pixel electrode and a third sub-pixel electrode, separated from each other; a first thin film transistor connected to the first sub-pixel electrode; a second thin film transistor connected to the second sub-pixel electrode; a gate line connected to the first thin film transistor and the second thin film transistor; a data line, insulated from and crossing the gate line, connected to the first thin film transistor and the second thin film transistor; and a first storage line, parallel with the gate line, extending across the first sub-pixel electrode, wherein the first and second thin film transistors comprise a gate electrode connected to the gate line, a source electrode connected to the data line and a drain electrode connected to the first sub-pixel electrode and the second sub-pixel electrode respectively, and the drain electrode of the first or second thin film transisType: ApplicationFiled: May 27, 2008Publication date: December 3, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joo-seok YEOM, Chang-hyun SHIN
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Patent number: 7389761Abstract: A fuel pump noise-reduction apparatus in a Liquefied Petroleum Injection (LPI) vehicle comprises a Liquefied Petroleum Gas (LPG) switch. A plurality of shut off valves are configured for activation upon stoppage of battery power via the LPG switch. A fuel pump in a fuel tank is configured for activation upon stoppage of battery power via the LPG switch. The shut off valves close and the fuel pump stops simultaneously when the LPG switch is deactivated, contributing to a reduction in noise and engine output consumption due to unnecessary operation of the fuel pump when the engine stops.Type: GrantFiled: December 23, 2004Date of Patent: June 24, 2008Assignee: Hyundai Motor CompanyInventor: Chang Hyun Shin
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Patent number: 7383827Abstract: A fuel pump noise reducing apparatus and a methods for a Liquefied Petroleum Injection (LPI) vehicle stops fuel provision by shutting off valves if a Liquefied Petroleum Gas (LPG) switch is turned off. Also, operation of a fuel pump is stopped by allowing an Interface Box (IFB) Electronic Control Unit (ECU) to turn off a relay and by insulating battery power provided to the fuel pump, thereby resulting in a reduction of noise and engine output consumption generated from unnecessary operation of the fuel pump.Type: GrantFiled: December 23, 2004Date of Patent: June 10, 2008Assignee: Hyundai Motor CompanyInventor: Chang Hyun Shin
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Patent number: 7127941Abstract: A Liquefied Petroleum Injection (LPI) fuel pump diagnosis system for determining the operation state of a fuel pump by analyzing a signal inputted from a fuel pump driver of an LPG tank into an interface box, including a fuel pump relay that provides power to the fuel pump and cut-off solenoid valves, an LPG switch that allows a user to isolate the fuel supply, a voltage detector disposed in the interface box that detects a voltage between the LPG switch and the fuel pump relay by being connected to a signal line that connects the LPG switch and fuel pump relay, and an ECU of the interface box that determines whether a signal line connecting the fuel pump driver and interface box is disconnected by determining whether the LPG switch is on or off through analysis of the voltage detected via the voltage detector.Type: GrantFiled: April 29, 2005Date of Patent: October 31, 2006Assignee: Hyundai Motor CompanyInventor: Chang-Hyun Shin
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Patent number: 7127940Abstract: A method for diagnosing a Liquefied Petroleum Injection fuel pump includes the steps of: inputting an engine Revolutions Per Minute (RPM) and a fuel pump Pulse Width Modulation (PWM) signal into an Electronic Control Unit (ECU) of an interface box; determining whether the RPM indicates that the engine is idling; if the engine is not idling, setting a diagnosis time of the PWM signal to a duration longer than the time the engine takes to deactivate after turning off an LPG switch; determining the operation state of the fuel pump by analyzing the PWM signal; and illuminating a warning lamp if the fuel pump is detected to be operating abnormally or a signal line connecting the fuel pump and the interface box is detected to be disconnected.Type: GrantFiled: April 29, 2005Date of Patent: October 31, 2006Assignee: Hyundai Motor CompanyInventors: Chang-Hyun Shin, Hong-Suk Choi
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Patent number: 7114477Abstract: Variable intake systems are provided that include a variable intake valve shaft, potentiometer, pneumatic actuator, Manifold Absolute Pressure sensor, Throttle Position Sensor and controller. Preferred systems of the invention can monitor whether valves of a variable intake system are properly working, thereby stabilizing the operation of the variable intake system in a simplified manner and at low costs.Type: GrantFiled: December 8, 2004Date of Patent: October 3, 2006Assignee: Hyundai Motor CompanyInventor: Chang-Hyun Shin
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Patent number: 7104256Abstract: A throttle body fixing structure adapted to firmly fix a throttle body to the engine under a simple structure, wherein the throttle body connects to a surge tank made of a plastic material. The vehicle weight is reduced, and maintenance and assembly are simplified. Furthermore, noise and vibration are minimized and the durability is increased.Type: GrantFiled: December 10, 2004Date of Patent: September 12, 2006Assignee: Hyundai Motor CompanyInventor: Chang Hyun Shin