Patents by Inventor Kyung-In Choi

Kyung-In 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).

  • Patent number: 11551639
    Abstract: A display device includes a display panel having a display region, and including a light transmission region overlapping an electronic element within an edge portion of the display region, and a panel driver configured to drive the display panel, and configured to perform an edge-dimming operation that gradually decreases a luminance of an area of the display region excluding the light transmission region from a center portion of the display region to the edge portion of the display region while not decreasing a luminance of the light transmission region.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Kyung Choi, Youngseok Kim, Han-Na Ma, Dong-Yeol Yeom
  • Publication number: 20230006224
    Abstract: A fuel cell system includes a fuel cell stack, a first cooling line having first cooling water that passes via the fuel cell stack and circulates therein, a first radiator that cools the first cooling water, an air conditioning system that forms a heating loop with a first cooling line, a first cooling fan that blows exterior air to the first radiator, a first pump that pumps the first cooling water, a valve that switches a flow path of the first cooling water to the fuel cell stack or the first radiator, and a controller connected to the first cooling fan, the first pump, and the valve, and configured to detect a failure of the valve, control RPMs of the first pump and the first cooling fan to respective maximum levels, and control an RPM of a blower of the air conditioning system to a maximum level.
    Type: Application
    Filed: November 30, 2021
    Publication date: January 5, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Jong Bo WON, Sung Kyung CHOI
  • Patent number: 11535263
    Abstract: Disclosed herein is an apparatus for predicting movement of a user of a vehicle. The apparatus may include an acceleration sensor that senses an acceleration of the vehicle, a braking controller that automatically controls a deceleration of the vehicle, a steering controller that automatically controls a direction of the vehicle, and a control circuit electrically connected to the acceleration sensor, the braking controller, and the steering controller, where the control circuit may monitor an operation of the braking controller, and predict a movement of the user of the vehicle based on a longitudinal acceleration of the vehicle sensed by the acceleration sensor and a first predetermined parameter when braking by the braking controller is detected.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: December 27, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Myeong Jang, Se Kyung Choi, Min Seok Kim
  • Publication number: 20220402526
    Abstract: An autonomous vehicle location providing apparatus for providing a location of an autonomous vehicle which travels to a location of a user depending on a call of the user and a method thereof are provided. The autonomous vehicle location providing apparatus receives a call, a call location, and user information from a user's terminal and communicates with the user's terminal around an autonomous vehicle corresponding to the user information, while the autonomous vehicle travels to the call location depending on the call. The autonomous vehicle location providing apparatus provides a location of the autonomous vehicle which travels to a location of the user depending on a call of the user to recognize a customer who calls an auto-taxi.
    Type: Application
    Filed: December 8, 2021
    Publication date: December 22, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Jae Kyung CHOI, Yong Seok JEONG
  • Publication number: 20220399330
    Abstract: A semiconductor device includes a semiconductor substrate having first and second regions therein, a first lower semiconductor pattern, which protrudes from the semiconductor substrate in the first region and extends in a first direction across the semiconductor substrate, and a first gate electrode, which extends across the first lower semiconductor pattern and the semiconductor substrate in a second direction. A plurality of semiconductor sheet patterns are provided, which are spaced apart from each other in a third direction to thereby define a vertical stack of semiconductor sheet patterns, on the first lower semiconductor pattern. A first gate insulating film is provided, which separates the plurality of semiconductor sheet patterns from the first gate electrode. A second lower semiconductor pattern is provided, which protrudes from the semiconductor substrate in the second region. A plurality of wire patterns are provided, which are spaced apart from each other on the second lower semiconductor pattern.
    Type: Application
    Filed: January 10, 2022
    Publication date: December 15, 2022
    Inventors: Kyung In Choi, Do Young Choi, Dong Myoung Kim, Jin Bum Kim, Hae Jun Yu
  • Patent number: 11522204
    Abstract: A fuel cell system includes a fuel cell stack, a first cooling line configured to circulate a first coolant that passes via the fuel cell stack, a first radiator disposed on the first cooling line, a valve configured to switch a flow path of the first coolant to the fuel cell stack or the first radiator, and a controller connected to the valve and configured to set a target temperature at an inlet of the fuel cell stack and a correction coefficient for controlling an opening degree of the valve, measure a first coolant temperature at an outlet of the fuel cell stack and a second coolant temperature at an outlet of the first radiator, calculate the opening degree of the valve based on the first coolant temperature, the second coolant temperature, the target temperature, and the correction coefficient, and correct the correction coefficient based on comparison of a third coolant temperature at the inlet of the fuel cell stack and the target temperature, in response to the opening degree being within a first ran
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 6, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Sung Kyung Choi, Jong Bo Won
  • Publication number: 20220385823
    Abstract: A monitoring device and a vehicle having the same. The monitoring device includes a camera configured to obtain an image; a display configured to display the image; a tilting adjustor configured to adjust a tilting angle of the camera; and a controller configured to recognize a brightness of a first image displayed on the display and control the tilting adjustor to adjust the tilting angle of the camera in response to determining that the recognized brightness is greater than or equal to a reference value, and after adjusting the tilting angle of the camera, control the tilting adjustor to adjust the tilting angle of the camera to an initial tilting angle in response to determining that a brightness of a second image displayed the display is less than or equal to a release value.
    Type: Application
    Filed: April 18, 2022
    Publication date: December 1, 2022
    Applicants: Hyundai Motor Company, KIA CORPORATION
    Inventors: Gunho LEE, Jae Kyung CHOI
  • Patent number: 11514988
    Abstract: A method of operating a controller that controls an operation of a semiconductor memory device including a meta area, a normal area, and a state area, includes sensing a turn-on of a memory system including the controller, checking a last state flag among at least one or more state flags stored in the state area, and determining whether to perform a reclaim operation on meta data stored in the meta area based on the checked state flag.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: November 29, 2022
    Assignee: SK hynix Inc.
    Inventors: Ji Yeun Kang, Ji Hong Kim, Min Kyung Choi
  • Publication number: 20220376276
    Abstract: A fuel cell system includes a fuel cell stack, a first cooling line configured to circulate a first coolant that passes via the fuel cell stack, a first radiator disposed on the first cooling line, a valve configured to switch a flow path of the first coolant to the fuel cell stack or the first radiator, and a controller connected to the valve and configured to set a target temperature at an inlet of the fuel cell stack and a correction coefficient for controlling an opening degree of the valve, measure a first coolant temperature at an outlet of the fuel cell stack and a second coolant temperature at an outlet of the first radiator, calculate the opening degree of the valve based on the first coolant temperature, the second coolant temperature, the target temperature, and the correction coefficient, and correct the correction coefficient based on comparison of a third coolant temperature at the inlet of the fuel cell stack and the target temperature, in response to the opening degree being within a first ran
    Type: Application
    Filed: October 28, 2021
    Publication date: November 24, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Sung Kyung CHOI, Jong Bo WON
  • Publication number: 20220376277
    Abstract: A temperature control apparatus and method for fuel cell system, where the apparatus includes a fuel cell stack, a first pump disposed on a first cooling line, a first radiator disposed on the first cooling line, power electronic parts, a second pump disposed on a second cooling line, a second radiator disposed on the second cooling line, a cooling fan configured to blow exterior air to any one of the first radiator and the second radiator, and a controller configured to determine an RPM of the cooling fan based on a coolant temperature at an inlet of the fuel cell stack and a first exterior air temperature, to determine a target cooling performance of the plurality of power electronic parts based on power consumptions of the plurality of power electronic parts, and to determine an RPM of the second pump based on the target cooling performance of the plurality of power electronic parts, the RPM of the cooling fan, and a second exterior air temperature.
    Type: Application
    Filed: October 28, 2021
    Publication date: November 24, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jong Bo WON, Sung Kyung CHOI
  • Patent number: 11508973
    Abstract: A fuel cell system for a vehicle includes: a first cooling line to pass through a fuel cell stack in the vehicle and to circulate a first coolant therethrough; a second cooling line to pass through a power electronic part in the vehicle and to circulate a second coolant therethrough; and a heat exchanger to allow the first coolant and the second coolant to exchange heat.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 22, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jong Bo Won, Sung Kyung Choi
  • Publication number: 20220343264
    Abstract: Disclosed is a method of providing information related to an order by an electronic apparatus, the method including acquiring necessary order information including information on at least one order item, information on an order quantity of the at least one order item, and information on a lead time of the at least one order item, confirming a reference date based on the information on the lead time, confirming information on a remaining storage capacity of a fulfillment center on the reference date, confirming a target order item whose order quantity is to be adjusted from the necessary order information when order quantity corresponding to the necessary order information exceeds the remaining storage capacity of the fulfillment center on the reference date, and providing updated order information in which the order quantity of the target order item is adjusted.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 27, 2022
    Applicant: Coupang Corp.
    Inventors: Wei Wei, Ke Ma, Xiukun Liang, Guangyao Zhang, Kai Zhang, Soo Kyung Choi, Timothy Wolfgang Schoenharl
  • Publication number: 20220343245
    Abstract: Disclosed are a method and electronic apparatus for providing information related to an order. The method includes acquiring quantity information of an order item in a fulfillment center and information on a period related to order quantity calculation for the order item, confirming a reference date for the order quantity calculation and a reference period starting from the reference date based on the information on the period, determining estimated consumption information of the order item by the reference date and estimated demand information of the order item for the reference period, and providing information on an order quantity of the order item calculated based on the quantity information, the estimated consumption information, and the estimated demand information.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 27, 2022
    Applicant: Coupang Corp.
    Inventors: Wei Wei, Kai Zhang, Guangyao Zhang, Soo Kyung Choi, Timothy Wolfgang Schoenharl
  • Publication number: 20220343237
    Abstract: Provided is a method of providing information related to item scrap, the method including at least one of confirming information on an item scrapped in a fulfillment center, confirming a cause of scrapping the item based on the information on the item including a code life of the item and an average sales amount of the item, and providing information indicating the cause of scrapping the item.
    Type: Application
    Filed: September 3, 2021
    Publication date: October 27, 2022
    Applicant: Coupang Corp.
    Inventors: Wei Wei, Zonghan Wu, Ping Yin, Soo Kyung Choi, Timothy Wolfgang Schoenharl
  • Publication number: 20220343343
    Abstract: Provided is a method of providing information related to an item shortage, the method including confirming information on an item of which a shortage occurs in a fulfillment center, confirming a cause of an item shortage based on the information on the item, and providing information indicating the cause of the item shortage.
    Type: Application
    Filed: August 4, 2021
    Publication date: October 27, 2022
    Applicant: Coupang Corp.
    Inventors: Wei Wei, Ping Yin, Soo Kyung Choi, Timothy Wolfgang Schoenharl
  • Publication number: 20220302310
    Abstract: A semiconductor device includes; an active pattern on a substrate, gate structures in which each gate structure includes a gate electrode intersecting the active pattern and a gate capping pattern on the gate electrode, a source/drain pattern disposed on the active pattern between adjacent gate structures, a lower active contact connected to the source/drain pattern, an etching stop film extending along an upper surface of the lower active contact without contacting an upper surface of the gate capping pattern, and an upper active contact connected to the lower active contact, wherein a bottom surface of the upper active contact is lower than the upper surface of the gate capping pattern.
    Type: Application
    Filed: August 31, 2021
    Publication date: September 22, 2022
    Inventors: KYUNG IN CHOI, HAE JUN YU, SUNG HUN JUNG
  • Patent number: 11449421
    Abstract: Embodiments of the disclosed technology relate to a memory system, and a memory controller and a method of operating the same. In performing a recovery operation after occurrence of sudden power off (SPO), by determining whether to delete, from a memory device, journaling information associated with data stored in a target open memory block based on the state of the memory device, thereby preventing unnecessary data movement in a situation where the number of free memory blocks included in the memory device is insufficient, and maintaining the number of free memory blocks included in the memory device to a predetermined value or more.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: September 20, 2022
    Assignee: SK hynix Inc.
    Inventors: Min Kyung Choi, Ji Yeun Kang
  • Patent number: 11450872
    Abstract: A fuel cell system for a vehicle includes a first cooling line configured to pass through a fuel cell stack in a vehicle and configured to circulate a first coolant therein, a first cooler provided in the first cooling line and configured to cool the first coolant, and a second cooler provided in the first cooling line and configured to cool the first coolant independently from the first cooler, thereby obtaining an advantageous effect of ensuring a high output from the fuel cell stack and improving safety and reliability.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 20, 2022
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Jong Bo Won, Sung Kyung Choi
  • Patent number: 11450873
    Abstract: A fuel cell system includes a sensor device that measures a coolant temperature at an inlet of a fuel cell and an outside-air temperature, a cooling fan that cools a coolant, and a cooling fan controller connected with the sensor device and the cooling fan. The cooling fan controller determines an RPM of the cooling fan, based on the outside-air temperature and an output value of the fuel cell and corrects the RPM of the cooling fan, based on the coolant temperature at the inlet of the fuel cell.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: September 20, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jong Bo Won, Sung Kyung Choi
  • Publication number: 20220250941
    Abstract: Provided is a desalination device using a solvent extraction method, comprising: a first mixing tank composed of a feed water inlet into which feed water comprising salt ions and water molecules flows, a first solvent inlet into which a first solvent selectively reacting more with the water molecules than with the salt ions flows, a first mixing tank body in which the feed water and the first solvent are mixed so as to form a mixed water, and a mixed water outlet through which the mixed water is discharged; a first separation tank composed of a mixed water inlet which communicates with the mixed water outlet so that the mixed water flows therein, a first separation tank body in which brine containing salt ions of the feed water and first treatment water formed from mixing the water molecules of the feed water and the first solvent of the mixed water are separated by layer, and a first treatment water outlet through which the first treatment water is discharged; a second mixing tank composed of a first treatme
    Type: Application
    Filed: April 22, 2022
    Publication date: August 11, 2022
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jae Woo LEE, Ou Kyung Choi, Jun Ho Seo, Gyeong Su Kim, Dan Dan Dong, Xin Zhao