Patents by Inventor Young Hwan Choi

Young Hwan 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).

  • Publication number: 20240185921
    Abstract: An embodiment relates to a memory device and a method of operating the memory device. The memory device includes a memory block including a plurality of pages respectively corresponding to a plurality of word lines, peripheral circuits configured to apply operation voltages to the plurality of word lines and sequentially discharge or simultaneously discharge the plurality of word lines during a program operation, and control logic configured to control the peripheral circuits to sequentially discharge or simultaneously discharge the plurality of word lines based on whether a selected page among the plurality of pages is included in a weak page group during the program operation.
    Type: Application
    Filed: May 22, 2023
    Publication date: June 6, 2024
    Applicant: SK hynix Inc.
    Inventor: Young Hwan CHOI
  • Patent number: 11998345
    Abstract: The present disclosure relates to a sensing device and a method for processing sensing data.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: June 4, 2024
    Assignee: NEOFECT CO., LTD.
    Inventors: Young Geun Choi, Sung Gon Moon, Byung Geol Park, Seo Jeong Han, Jin Young Cho, Keun Hyeok Yoo, Eun Jung Kim, Do Kyeong Ha, Kyung Hwan Yoo
  • Publication number: 20240169893
    Abstract: A display device includes a display panel including a plurality of display areas; a driving circuit to control the display panel; a timing controller to control the driving circuit to display an image on the display panel; a storage medium to store a plurality of weight tables respectively corresponding to the plurality of display areas; and a load value generator to generate a first load value corresponding to a first data unit of input image data, and to apply a weight to the first load value based on a first weight table corresponding to a display area in which the first data unit is to be displayed, among the plurality of weight tables. The timing controller controls the driving circuit with reference to a weighted first load value.
    Type: Application
    Filed: June 7, 2023
    Publication date: May 23, 2024
    Inventors: Nam Jae LIM, Seung Ho PARK, Seung Hwan PARK, Young Woon CHOI
  • Publication number: 20240145008
    Abstract: A memory device, and an operating method of the memory device, includes a plurality of memory cells connected between word lines and bit lines and a voltage generator for generating a program voltage or a pass voltage, which is applied to the word lines. The memory device also includes a page buffer group for applying program allow voltages or a program inhibit voltage to the bit lines and a control circuit for controlling the voltage generator and the page buffer group in response to a command. In a program operation of selected memory cells connected to a selected word line among the word lines, the control circuit controls the page buffer group such that the program allow voltages are increased stepwise according to a number of program loops performed on the selected memory cells.
    Type: Application
    Filed: April 20, 2023
    Publication date: May 2, 2024
    Applicant: SK hynix Inc.
    Inventor: Young Hwan CHOI
  • Patent number: 11970090
    Abstract: A railess variable seatback type rear seat includes: a linear movement device configured to convert a rotation of a motor into a linear movement; a sliding movement device configured to convert the linear movement into a sliding movement in which a seat cushion is pushed forward or backward; and a reclining angle change device configured to convert the sliding movement into a reclining movement, and to fold a seatback, which is connected to the seat cushion, forward or to recline the seatback backward.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: April 30, 2024
    Assignees: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Seung-Hyun Kim, Sang-Hyun Lee, Min-Ju Lee, Byung-Yong Choi, Chan-Ho Jung, Seon-Chae Na, Young-Woon Choi, Jae-Jin Lee, Dong-Hwan Kim, In-Chang Hwang
  • Publication number: 20240131943
    Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.
    Type: Application
    Filed: February 6, 2023
    Publication date: April 25, 2024
    Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
  • Publication number: 20240125848
    Abstract: A leakage current detection circuit includes: a mirror circuit configured to copy a leakage current flowing through a node and generate a copy current in a copy node; an oscillation circuit including a charge storage unit, the oscillation circuit being connected to the copy node, charged with the copy current, and configured to generate an oscillation signal by charging and discharging the charge storage unit; and a calculation circuit configured to calculate an amount of the leakage current based on the oscillation signal.
    Type: Application
    Filed: March 1, 2023
    Publication date: April 18, 2024
    Applicant: SK hynix Inc.
    Inventors: Jong Seok JUNG, Chan Keun KWON, Kyeong Hwan PARK, Young Kwan LEE, Suk Hwan CHOI
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Publication number: 20240118028
    Abstract: An infrared heat source module is configured to minimize problems such as wrinkles or cracks in electrodes even if the patterns of a coated part and an uncoated part of the electrodes present in a current collector vary. The module improves a drying efficiency of the coated part of the current collector. An electrode using the infrared heat source module is manufactured by a process.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Young Kuk Ko, Oh Cheol Kwon, Ji Hwan Kim, Jeong Won Lee
  • Publication number: 20240110727
    Abstract: Provided is a carbon monoxide (CO) leak alerting device and method, and more specifically, a CO leak alerting device and method, whereby, by operating on the basis of the Internet of Things (IoT), a CO leak caused by damage to a boiler flue is detected, an alert is issued through two or more among the CO leak alerting device, a boiler controller and a wall pad, boiler ventilation and indoor air ventilation are automatically carried out when the leak is determined to have occurred, and authorities relevant to the CO leak, and a user are directly notified of the CO leak.
    Type: Application
    Filed: October 30, 2020
    Publication date: April 4, 2024
    Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
  • Publication number: 20240105044
    Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.
    Type: Application
    Filed: October 13, 2020
    Publication date: March 28, 2024
    Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
  • Publication number: 20240104464
    Abstract: A system selecting a process key factor in a commercial chemical process, includes: a data extraction unit that extracts tag data in units of a set period; an outlier discrimination unit that discriminates and aggregates outliers by tag by using an outlier extraction reference master; an outlier processing unit that generates an input mart draft excluding the outliers; a derived variable generation unit that generates derived variables for each tag, and generates an advanced input mart having the derived variable added thereto; a yield calculation unit that backs up the result of calculation of a yield by realizing a target value via exclusion and correction of the outliers; and a key factor extraction unit that extracts a yield key factor by calculating importance of each tag, and backs up importance data for each tag.
    Type: Application
    Filed: April 27, 2022
    Publication date: March 28, 2024
    Applicant: SK GAS CO., LTD.
    Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE
  • Publication number: 20240095548
    Abstract: A system for predicting process changes by using key factors in a commercial chemical process, includes: a key factor extraction and individual tag importance backup unit that extracts yield key factors by calculating the importance of each tag, and backs up importance data for each tag; and a yield prediction model training and yield prediction performing unit that performs yield prediction model training by using the importance of each tag accumulated in the key factor extraction and individual tag importance backup unit, and performs yield prediction so as to output a yield prediction result, evaluates performance, and selects an optimal prediction model.
    Type: Application
    Filed: April 27, 2022
    Publication date: March 21, 2024
    Applicant: SK GAS CO., LTD.
    Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE
  • Patent number: 11926702
    Abstract: The present disclosure relates to a polyamide block copolymer and a polyamide film including the same. The polyamide block copolymer according to the present disclosure makes it possible to provide a polyamide film exhibiting excellent mechanical properties while being colorless and transparent.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 12, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Bi Oh Ryu, Soonyong Park, Youngseok Park, Kwanyeol Paek, Young Ji Tae, Il Hwan Choi
  • Publication number: 20240080228
    Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.
    Type: Application
    Filed: April 13, 2023
    Publication date: March 7, 2024
    Inventors: Jin Ook JUNG, Jae Woo PARK, Myoung Bo KWAK, Young Min KU, Kyoung Jun ROH, Jung Hwan CHOI
  • Patent number: 11922841
    Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Ho Kim, Jong Woo Park, June Hwan Kim, Ki Ju Im, Young Tae Choi, Hyuncheol Hwang
  • Patent number: 11916244
    Abstract: A battery module includes a module housing including a first plate in which one side is open, a second plate coupled with the first plate to form an internal space, and a partition member disposed across the internal space to couple the first plate with the second plate; and a battery cell stack disposed in the internal space, in which a plurality of battery cells are stacked.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: February 27, 2024
    Assignee: SK On Co., Ltd.
    Inventors: Seok Hwan Lee, Hae Ryong Jeon, Seung Hoon Ju, Young Sun Choi, Myeong Hwan Ma, Sol San Son
  • Publication number: 20230113463
    Abstract: The present invention relates to an apparatus and a method for detecting a water level, which are capable of generating a water level detection signal which is alternating current output to a water level detection sensor by using two direct current control signals alternately output from a micom.
    Type: Application
    Filed: January 26, 2021
    Publication date: April 13, 2023
    Inventors: Young-Hwan CHOI, Sung-An HA
  • Patent number: 11578864
    Abstract: Disclosed herein is a method of automatically cleaning boiler pipes. The provision of a pipe-cleaning tank on one side of a casing to store a cleaning solution therein and a tank supply valve in the pipe-cleaning tank allows the cleaning solution stored in the pipe-cleaning tank to automatically flow into a heat exchanger and various pipes inside the casing by means of only a simple operation of manipulating the tank supply valve, thereby making it easy to eliminate scale that has accumulated in the heat exchanger and the pipes.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: February 14, 2023
    Inventor: Young-Hwan Choi
  • Patent number: 11462276
    Abstract: Provided herein may be a semiconductor memory device. The semiconductor memory device may include a memory cell array, a peripheral circuit, and control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on the memory cells. The control logic controls the read operation of the peripheral circuit. During the read operation, the control logic controls the peripheral circuit so that a read voltage is applied to a selected word line among a plurality of word lines coupled to the memory cells, a first pass voltage is applied to an unselected word line disposed adjacent to the selected word line and a second pass voltage is applied to an unselected word line that is not disposed adjacent thereto. The peripheral circuit adjusts a magnitude of the first or second pass voltage based on a temperature of the semiconductor memory device.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: October 4, 2022
    Assignee: SK hynix Inc.
    Inventors: Hee Youl Lee, Young Hwan Choi