Patents by Inventor Hyun Woo Choi
Hyun Woo Choi 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: 20240125334Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.Type: ApplicationFiled: March 30, 2022Publication date: April 18, 2024Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
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Publication number: 20240125357Abstract: The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.Type: ApplicationFiled: December 29, 2021Publication date: April 18, 2024Applicant: Hanon SystemsInventors: Yeol Woo SUNG, Hyun Chil KIM, Gunwoong PARK, Min Gyu PARK, Chi Yong PARK, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
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Publication number: 20240120279Abstract: A semiconductor device may include a first film and a second film defining parts of a trench, a plug conductive film, a via, and a wiring in the trench. The trench may include a second sub-trench having a second width below a first sub-trench having a first width. The plug conductive film may extend from a first side of the first film to penetrate a bottom face of the trench. An uppermost face of the plug conducive film may be in the trench. The via may include an insulating liner between the plug conductive film and the first film. The uppermost face of the plug conductive film and at least a part of a side wall of the plug conductive film may be in contact with the wiring. An upper face of the insulating liner may be exposed by a bottom face of the second sub-trench.Type: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jeong Hyuk YIM, Wan Don KIM, Hyun Bae LEE, Hyo Seok CHOI, Geun Woo KIM
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Publication number: 20240119978Abstract: Provided a semiconductor memory device. The semiconductor memory device includes a substrate, a gate electrode on the substrate, a bit line on the substrate, a cell semiconductor pattern on a side of the gate electrode and electrically connected to the bit line, a capacitor structure including a first electrode electrically connected to the cell semiconductor pattern, a second electrode on the first electrode, and a capacitor dielectric film between the first electrode and the second electrode, a bit line strapping line spaced apart from the bit line in the second direction, and electrically connected to the bit line, a bit line selection line between the bit line and the bit line strapping line, and a selection semiconductor pattern between the bit line and the bit line strapping line and electrically connected to all of the bit line, the bit line strapping line, and the bit line selection line.Type: ApplicationFiled: June 5, 2023Publication date: April 11, 2024Inventors: Jin Woo Han, Hyun Geun Choi, Ki Seok Lee, Seok Han Park
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Publication number: 20240120813Abstract: Air compressor in which the arrangement structure between a filter part and a discharge resistor reduces interference between the filter part and the discharge resistor and increases the space utilization of the filter part, making the air compressor more compact. The air compressor comprises a housing with a rotary shaft disposed inside it; a compression part connected to the rotary shaft which compresses and discharges introduced air; a motor part driving the rotary shaft; a control board for controlling the motor part, and the filter part which filters noise of external power and supplies the external power to the control board, wherein the filter part includes a capacitor assembly connected to an external power source, a transistor connected to the control board, a current sensor assembly connected to the transistor, and a discharge resistor connected to the capacitor assembly and discharges the residual charge in the capacitor assembly.Type: ApplicationFiled: April 11, 2022Publication date: April 11, 2024Inventors: Kyu Sung CHOI, Gun Woong PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG
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Publication number: 20240120224Abstract: A semiconductor manufacturing equipment may include a process chamber for treating a substrate; a front-end module including a first transfer robot, wherein the first transfer robot may be configured to transport the substrate received in a container; a transfer chamber between the front-end module and the process chamber, wherein the transfer chamber may be configured to load or unload the substrate into or out of the process chamber; and a cassette capable of receiving a replaceable component capable of being used in the process chamber. The front-end module may include a seat plate configured to move in a sliding manner so as to retract or extend into or from the front-end module. The cassette may be configured to be loaded into the front-end module while the cassette is seated on the seat plate.Type: ApplicationFiled: September 12, 2023Publication date: April 11, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Hyuk CHOI, Beom Soo HWANG, Kong Woo LEE, Myung Ki SONG, Ja-Yul KIM, Kyu Sang LEE, Hyun Joo JEON, Nam Young CHO
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Patent number: 11955124Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.Type: GrantFiled: January 10, 2022Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Ki Kang, Jang-Seok Seo, Kook-Tae Choi, Hyun-Woo Kang, Jin-Yeol Kim, Chae-Hwan Li, Kyung-Tae Kim, Dong-Ho Jang, Min-Kyung Hwang
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Publication number: 20240107639Abstract: An embodiment of the present disclosure provides a thermal processing apparatus and an operation method thereof capable of controlling a heat distribution of a substrate at a low cost in a thermal processing process using a microwave. According to the present disclosure, a thermal processing apparatus includes a chamber that forms a thermal processing space of a substrate, a substrate support unit that is located at a lower portion of the thermal processing space and supports the substrate, and a microwave unit that is located at an upper portion of the thermal processing space and forms an electromagnetic field by the microwave in the thermal processing space.Type: ApplicationFiled: May 31, 2023Publication date: March 28, 2024Applicant: SEMES CO., LTD.Inventors: Han Lim KANG, Yoon Seok CHOI, Yun Sang KIM, Hyun Woo JO, Sang Jeong LEE
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Patent number: 11942018Abstract: A display device is described including a display panel for displaying an image and an input sensing unit disposed on the display panel for sensing a user input. The input sensing unit includes: an electrode unit including first electrodes and second electrodes which intersect each other and a control unit for determining the proximity of an object or the shape of the object, based on capacitance change values of the first electrodes and the second electrodes. In a first mode the input sensing unit is driven using a self-capacitance method. The control unit may merge the capacitance change values, and determine the proximity of the object based on the merged value. In a second mode based on mutual capacitance, the control unit may determine the shape of the object.Type: GrantFiled: October 4, 2022Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Woo Choi, Tae Joon Kim, Eun Sol Seo, Hyun Wook Cho
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Publication number: 20240098311Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Jun Woo CHOI
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Patent number: 11937476Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.Type: GrantFiled: May 4, 2023Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
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Patent number: 11927890Abstract: A substrate processing apparatus includes a photoresist coater applying a photoresist film on a substrate, a humidifier increasing an amount of moisture in an ambient to which the photoresist film on the substrate is exposed, and an exposer irradiating the photoresist film exposed to the ambient having the increased amount of moisture with light. The humidifier is disposed between the photoresist coater and the exposer.Type: GrantFiled: August 22, 2022Date of Patent: March 12, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok Heo, Cha Won Koh, Sang Joon Hong, Hyun Woo Kim, Kyung-Won Kang, Dong-Wook Kim, Kyung Won Seo, Young Il Jang, Yong Suk Choi
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Publication number: 20240075110Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.Type: ApplicationFiled: September 15, 2023Publication date: March 7, 2024Inventors: Chang Woo LEE, Jin Kwan LEE, Hyun Soo KIM, Ji Hyun CHOI, Se Eun BYEON, HAE IN LEE, HYEONJU JO
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Publication number: 20240081001Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.Type: ApplicationFiled: May 1, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., LTD.Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
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Publication number: 20240010220Abstract: Provided are a method and apparatus for providing a driver interface. The method of providing a driver interface may include, based on a state of a vehicle, determining a main interface configured to display information regarding a vehicle operation service, and generating the determined main interface, wherein the generating of the main interface may include determining a before-starting-work interface as the main interface, in response to the state of the vehicle being switched to a moving-to-workplace state, determining a moving-to-workplace interface as the main interface, and in response to the state of the vehicle being switched to a standby-for-dispatch state, determining a standby-for-dispatch interface as the main interface.Type: ApplicationFiled: July 6, 2023Publication date: January 11, 2024Inventors: Ji Hoon KIM, Tae Suk Kim, Mo Ran Kim, Jung Hee Son, Su Ho Kim, Yoo Ra Choi, Hyun Woo Choi, Dong Hoo Kim, Zzy Hyun Oh, Jae In Chang, Da Ye Kwon, Hyun Gul Roh, Man Gyu Park
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Publication number: 20230343918Abstract: The present technology relates to an electrode manufacturing system, and an electrode manufacturing method using the same. According to the present technology, it is possible to uniformly second-coating an electrode slurry as an electrode current collector, which has gone through electrode slurry first coating and drying processes, passes through a heat pipe guide roller.Type: ApplicationFiled: October 8, 2021Publication date: October 26, 2023Applicant: LG Energy Solution, Ltd.Inventors: Hyun Woo Choi, Sang Hoon Choy, Dong Hun Song, Shin Wook Jeon, Chang Hun Lee
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Publication number: 20230118784Abstract: An electrode slurry coating system and a method of using the same to coat a current collector layer are disclosed herein. In some embodiments, the electrode slurry coating system includes a supply tank, a supply line having a control valve and branching into at least three sub-supply lines at one end thereof, an electrode slurry slot die having a manifold, a coating roller, and a temperature sensor, wherein the temperature is sensor configured to measure the temperature of the electrode slurry discharged from the electrode slurry slot die, and wherein the control valve is configured to control the flow rate of the electrode slurry in response to a temperature of the electrode slurry measured by the temperature sensor.Type: ApplicationFiled: December 22, 2021Publication date: April 20, 2023Applicant: LG Energy Solution, Ltd.Inventors: Seong Wook Hong, Dong Hun Song, Hyun Woo Choi, Sang Hoon Choy, Shin Wook Jeon
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Publication number: 20230092472Abstract: A method and a system for monitoring a state of a nuclear power plant capable of reducing a state prediction error of a sensor during startup, full power, shut down operation of a nuclear power plant, and of providing an early warning, without an error alarm includes remotely and automatically diagnosing the state of a sensor, device, system and power plant. The method and comprises: a first layer that compares a sensor measurement value and a device measurement value with predicted values so as to detect anomalies of the sensor and the device; a second layer that classifies a type of the sensor and diagnoses the presence or absence of an anomaly of the sensor on the basis of an anomaly value of the sensor provided from the first layer.Type: ApplicationFiled: December 18, 2020Publication date: March 23, 2023Inventors: Hyuck Jong Kim, Kyung Suk Jung, Hyun Woo Choi, Jae Won Sin, Dae Woong Kim, Yun Goo Kim, No Kyu Seong, Ji Ho Min
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Publication number: 20220163333Abstract: An embodiment apparatus for providing a specific notification in a vehicle includes a processor configured to notify a to-do list based on a vehicle characteristic, in link with a to-do list application, and recommend a path based on the to-do list based on a user condition or priority set by a user and used for recommending the path when the recommendation of the path is required in relation to the to-do list, and a memory configured to store data used and an algorithm driven by the processor.Type: ApplicationFiled: June 21, 2021Publication date: May 26, 2022Inventor: Hyun Woo Choi
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Patent number: 11019743Abstract: A display device includes: a display panel which is curved and displays an image; a cover window which is disposed on a front surface of the display panel at which the image is displayed; and a cover panel which is curved and disposed on a curved back surface of the display panel opposite to the front surface thereof. The cover panel is defined by a flat cover panel which is curved by attachment thereof to the curved back surface of the display panel, and the flat cover panel which is curved to define the cover panel includes a cutout portion therein recessed from an outer edge of the flat cover panel toward a center of the flat cover panel.Type: GrantFiled: January 10, 2019Date of Patent: May 25, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Woo Choi, Jun Ho Kwack, Ji Yun Bang, Jae Young Sim