Patents by Inventor Cheol Kang

Cheol Kang 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).

  • Patent number: 11299793
    Abstract: Provided is a steel sheet having excellent resistance to liquid metal embrittlement cracks and a method for manufacturing the same. The steel sheet includes, by weight %, 0.04% to 0.35% of C, 0.99% or less of Al+Si, 3.5% to 10% of Mn, 0.05% or less of P (excluding 0%), 0.02% or less of S (excluding 0%), and 0.02% or less of N (excluding 0%) with a remainder of Fe and other inevitable impurities, wherein the steel sheet comprises a microstructure comprising at least 10% of residual austenite, at least 60% of annealed martensite and 20% or less of alpha martensite and epsilon martensite, by volume fraction, and an average thickness of a Mn-depleted layer is at least 0.5 ?m from a product surface.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 12, 2022
    Assignee: POSCO
    Inventors: Sea-Woong Lee, Kyoo-Young Lee, Joo-Hyun Ryu, Ki-Cheol Kang
  • Publication number: 20220108436
    Abstract: Disclosed is a wafer defect inference system, which includes a test equipment that receives a first image obtained by imaging circuit patterns formed on a semiconductor wafer by using a scanning electron microscope and a second image obtained by imaging a layout image of a mask for implementing the circuit pattern on the semiconductor wafer and combines the first image and the second image to generate a combination image, and at least one computing device that is capable of communicating with the test equipment and infers a defect associated with the circuit pattern formed on the semiconductor wafer. The computing device receives the combination image, performs machine learning for inferring the defect based on the combination image, and generates an output image including information about the defect based on the machine learning.
    Type: Application
    Filed: September 2, 2021
    Publication date: April 7, 2022
    Applicants: Samsung Electronics Co., Ltd., Seoul National University, R&DB Foundation
    Inventors: Min-Cheol KANG, Do-Nyun KIM, Jaehoon KIM, Woojoo SIM
  • Patent number: 11282427
    Abstract: A display device includes pixels coupled to scan lines, control lines, data lines, and sensing lines, a scan driver for supplying a scan signal to the scan lines and supplying a control signal to the control lines, a data driver for supplying one of an image data signal and a sensing data signal to the data lines, and a sensing circuit including an analog-digital converter (“ADC”) which converts a sensing value supplied through the sensing lines into a current code in a digital form, the sensing circuit correcting the current code by reflecting a conversion characteristic of the ADC, the sensing circuit sensing characteristics of the driving transistor based on the corrected current code.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ha Neul Kim, Ho Cheol Kang, Dae Gwang Jang, Young Soo Hwang
  • Publication number: 20220062815
    Abstract: Disclosed herein is a system for recovering carbon monoxide from an industrial by-product gas, the system including a supply unit for supplying an industrial by-product gas containing carbon dioxide, nitrogen, carbon monoxide, and hydrogen, a first membrane separation unit including a separation membrane capable of allowing carbon dioxide and hydrogen to permeate, and receiving the industrial by-product gas supplied from the supply unit to allow carbon dioxide and hydrogen to permeate, and a second membrane separation unit including a polymer membrane in which a transition metal is supported, and receiving a gas remaining in the first membrane separation unit to allow carbon monoxide to permeate.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 3, 2022
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Jeong Hoon Kim, Jong Yeol Jeon, Bo Ryoung Park, Ho Cheol Kang
  • Publication number: 20220056564
    Abstract: Provided is a zinc plated steel sheet having excellent spot weldability and a manufacturing method thereof. The zinc plated steel sheet includes a steel sheet and a zinc plated layer formed on the surface of the steel sheet, wherein the ratio (a/b) between a widthwise average value (a) of thickness of an internal oxidized layer and a widthwise standard deviation (b) of thickness of the internal oxidized layer in the steel sheet may be 1.5 or more.
    Type: Application
    Filed: December 18, 2019
    Publication date: February 24, 2022
    Inventors: Ki-Cheol KANG, Sea-Woong LEE, Kyoo-Young LEE, Jong-Ho KIM, Young-Roc IM
  • Publication number: 20220045022
    Abstract: An apparatus and method for generating an electrical circuit of semiconductor channel resistor including a first passive element part including a resistor and a capacitor connected in parallel between a first port and a second port, and an ohmic resistor connected in series to the resistor and the capacitor which are connected in parallel are provided. The apparatus includes a substrate selection part configured to receive a selected substrate item; a resistor selection part configured to receive a selected resistor item; a capacitor selection part configured to receive a selected capacitor item; and a circuit generating part configured to generate an electrical circuit from the selected substrate item, the selected resistor item, and the selected capacitor item.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 10, 2022
    Inventors: Sang Heung LEE, Soo Cheol KANG, Seong Il KIM, Hae Cheon KIM, Youn Sub NOH, Ho Kyun AHN, Jong Won LIM, Sung Jae CHANG, Hyun Wook JUNG
  • Publication number: 20220045679
    Abstract: Provided is a single pole double through (SPDT) switch including a series switching unit including first and second series switching elements commonly connected to a common input port, and a shunt switching unit including a plurality of shunt switching elements connected in parallel to a first signal path connecting the common input port to a first output port and a second signal path connecting the common input port to a second output port, wherein first and second inductors are respectively connected to gate terminals of the first and second series switching elements.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 10, 2022
    Inventors: Youn Sub NOH, Soo Cheol KANG, Seong Il KIM, Hae Cheon KIM, Ho Kyun AHN, Sang Heung LEE, Jong Won LIM, Sung Jae CHANG, Hyun Wook JUNG
  • Publication number: 20220042155
    Abstract: Provided is a galvanized steel sheet having excellent spot weldability; and a method for producing same. The galvanized steel sheet includes a base steel sheet and a zinc-based plating layer formed on the base steel sheet, wherein the surface layer of the base steel sheet may have a decarburization rate of at least 30% as represented by equation 1. [Equation 1]: Decarburization rate (%) of surface layer=(1?average carbon concentration in surface layer/bulk carbon concentration)*100, where the surface layer refers to a region extending to a depth of 35 ?m from the surface of the base steel sheet.
    Type: Application
    Filed: December 18, 2019
    Publication date: February 10, 2022
    Inventors: Ki-Cheol KANG, Sang-Ho UHM, Chang-Woon JEE, Yeon-Chae JEONG, Kwang-Tai MIN
  • Publication number: 20220035237
    Abstract: A process proximity correction method is performed by a process proximity correction computing device which performs a process proximity correction (PPC) through at least one of a plurality of processors. The process proximity correction method includes: converting a target layout including a plurality of patterns into an image, zooming-in or zooming-out the image at a plurality of magnifications to generate a plurality of input channels, receiving the plurality of input channels and performing machine learning to predict an after-cleaning image (ACI), comparing the predicted after-cleaning image with a target value to generate an after-cleaning image error, and adjusting the target layout on the basis of the after-cleaning image error.
    Type: Application
    Filed: April 30, 2021
    Publication date: February 3, 2022
    Inventors: Soo Yong LEE, Min-Cheol KANG, U Seong KIM, Seung Hune YANG, Jee Yong LEE
  • Patent number: 11235716
    Abstract: A moveable seat control apparatus with an automatically chargeable battery, may include a seat including a moving motor engaged to the seat and configured to selectively move the seat along a rail, a battery positioned below the seat, and configured to receive power to perform charge, and to supply the charged power, a controller positioned below the seat and connected to the battery, and configured to monitor a state of charge (SOC) value of the battery to generate SOC information, and to control the moving motor to move the seat to a charge position when the SOC is equal to or less than a predetermined SOC, and a charger connected to the battery and coupled to a power supply terminal to receive the power and to charge the battery.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 1, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., Ltd-Dongtan
    Inventors: So Young Yoo, Hyo Cheol Kang, Doo Ri Kim, Hyung Jin Park, Yo Han Kim, Sung Hyun Hwang, Seon Chae Na, Sang Uk Yu, Dong Hoon Lee, Byung Yong Choi, Sang Young Park, Tae Hong Han
  • Publication number: 20210390074
    Abstract: A method of operating an interface device including a first elastic buffer is provided. The method of operating the interface device includes initializing one or more parameters associated with clock signals for a data transmission or reception of the interface device, checking whether the interface device is in a predetermined mode for adjusting the one or more parameters, adjusting, upon determination that the interface device is in the predetermined mode, the one or more parameters associated with the clock signals of the interface device based on how much of the first buffer or the second buffer is filled with data, and performing the data transmission or reception based on the adjusted one or more parameters associated with the clock signals.
    Type: Application
    Filed: October 27, 2020
    Publication date: December 16, 2021
    Inventors: Dae Sik Park, Byung Cheol Kang, Seung Duk Cho
  • Publication number: 20210391973
    Abstract: Interface devices and systems that include interface devices are disclosed. In some implementations, a device includes a transceiver configured to transmit and receive data, a lane margining controller in communication with the transceiver and configured to control the transceiver to transmit, through a margin command, to an external device, a request for requesting a state of an elastic buffer of the external device, and control the transceiver to receive the state of the elastic buffer of from the external device, and a port setting controller adjust a clock frequency range of a spread spectrum clocking scheme based on the state of the elastic buffer.
    Type: Application
    Filed: June 16, 2021
    Publication date: December 16, 2021
    Inventors: Yong Tae JEON, Dae Sik PARK, Jae Young JANG, Byung Cheol KANG, Seung Duk CHO
  • Patent number: 11127352
    Abstract: An electrostatic discharge protection circuit including: a first electrostatic discharge diode including a cathode to receive a first voltage, and an anode connected to a sensing line; a first switching element to determine the first voltage as a precharging voltage applied to a source terminal of the driving transistor when a sensing operation is performed, and to determine the first voltage as a maximum voltage used in a display panel when the sensing operation is not performed; a second electrostatic discharge diode including a cathode connected to the sensing line, and an anode configured to receive a second voltage; and a second switching element configured to determine the second voltage as the precharging voltage when the sensing operation is performed, and to determine the second voltage as a minimum voltage used in the display panel when the sensing operation is not performed.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: September 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Cheol Kang, Ha Neul Kim, Dae-Gwang Jang, Young-Soo Hwang
  • Patent number: 11107224
    Abstract: An extended reality (XR) device and a method for controlling the same are disclosed. The XR device is applicable to 5G communication technology, robot technology, autonomous driving technology, and Artificial Intelligence (AI) technology. The XR device includes a communication module configured to communicate with a Head-Mounted Display (HMD) that is worn by a user to provide the user with Virtual Reality (VR) content, a camera configured to receive an image of a first space including the user, and a processor configured to transmit VR content to the HMD through the communication module. The processor recognizes a position of the user and positions of a plurality of real-world objects within an image of the first space. When the user moves closer to at least one of the recognized objects by a predetermined distance or less, the processor warns the user of possibility of collision with the at least one recognized object.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 31, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Changseok Cho, Woonghee Park, Hyunok Lee, Cheol Kang, Sanghoon Song, Mansoo Sin, Sangkuk Jeon
  • Patent number: 11090907
    Abstract: Provided is a hot dip aluminized steel material including a base steel and a hot-dip Al—Si-coated layer, wherein the surface layer of the base steel is provided with an Al-enriched layer in which 2 wt % to 20 wt % of Al is solid-solubilized, and an interface between the base steel and the hot-dip Al—Si-coated layer has a double-layer structured interfacial alloy layer having different hardnesses.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 17, 2021
    Assignee: POSCO
    Inventors: Ki-Cheol Kang, Hyeon-Seok Hwang, Yon-Kyun Song, Il-Jeong Park
  • Publication number: 20210248943
    Abstract: A display device includes pixels coupled to scan lines, control lines, data lines, and sensing lines, a scan driver for supplying a scan signal to the scan lines and supplying a control signal to the control lines, a data driver for supplying one of an image data signal and a sensing data signal to the data lines, and a sensing circuit including an analog-digital converter (“ADC”) which converts a sensing value supplied through the sensing lines into a current code in a digital form, the sensing circuit correcting the current code by reflecting a conversion characteristic of the ADC, the sensing circuit sensing characteristics of the driving transistor based on the corrected current code.
    Type: Application
    Filed: August 31, 2020
    Publication date: August 12, 2021
    Inventors: Ha Neul KIM, Ho Cheol KANG, Dae Gwang JANG, Young Soo HWANG
  • Publication number: 20210225290
    Abstract: An electrostatic discharge protection circuit including: a first electrostatic discharge diode including a cathode to receive a first voltage, and an anode connected to a sensing line; a first switching element to determine the first voltage as a precharging voltage applied to a source terminal of the driving transistor when a sensing operation is performed, and to determine the first voltage as a maximum voltage used in a display panel when the sensing operation is not performed; a second electrostatic discharge diode including a cathode connected to the sensing line, and an anode configured to receive a second voltage; and a second switching element configured to determine the second voltage as the precharging voltage when the sensing operation is performed, and to determine the second voltage as a minimum voltage used in the display panel when the sensing operation is not performed.
    Type: Application
    Filed: November 24, 2020
    Publication date: July 22, 2021
    Inventors: Ho Cheol KANG, Ha Neul KIM, Dae-Gwang JANG, Young-Soo HWANG
  • Publication number: 20210178990
    Abstract: A moveable seat control apparatus with an automatically chargeable battery, may include a seat including a moving motor engaged to the seat and configured to selectively move the seat along a rail, a battery positioned below the seat, and configured to receive power to perform charge, and to supply the charged power, a controller positioned below the seat and connected to the battery, and configured to monitor a state of charge (SOC) value of the battery to generate SoC information, and to control the moving motor to move the seat to a charge position when the SoC is equal to or less than a predetermined SoC, and a charger connected to the battery and coupled to a power supply terminal to receive the power and to charge the battery.
    Type: Application
    Filed: August 19, 2020
    Publication date: June 17, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., Ltd-Dongtan
    Inventors: So Young Yoo, Hyo Cheol Kang, Doo Ri Kim, Hyung Jin Park, Yo Han Kim, Sung Hyun Hwang, Seon Chae Na, Sang Uk Yu, Dong Hoon Lee, Byung Yong Choi, Sang Young Park, Tae Hong Han
  • Publication number: 20210158773
    Abstract: An artificial intelligence-based control method is disclosed. In an artificial intelligence-based control method according to an exemplary embodiment of the present disclosure, when a user approaches within a set sensing range of a device, the device may capture a user image and predict whether the user has an intent to use the device by using motion features included in the captured image. An AI control method of the present disclosure may be associated with an artificial intelligent module, an unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a 5G service-related device, etc.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 27, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Changseok CHO, Woonghee Park, Hyunok Lee, Mansoo Sin, Sanghoon Song, Sangkuk Jeon, Cheol Kang
  • Publication number: 20210142059
    Abstract: The present disclosure relates to an XR device for providing an augmented reality (AR) mode and a virtual reality (VR) mode and a method for controlling the same, and more particularly, is applicable to a 5G communication technology field, a robot technology field, an autonomous technology field and an artificial intelligence (AI) technology field.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 13, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunok LEE, Woonghee PARK, Changseok CHO, Mansoo SIN, Sanghoon SONG, Sangkuk JEON, Cheol KANG