Patents by Inventor Chun Park

Chun Park 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: 20240177785
    Abstract: The present technology relates to an electronic device. According to the present technology, a memory device may include a plurality of memory cells, a peripheral circuit, and a control logic. The peripheral circuit may perform a fail bit detection operation on memory cells selected from among the plurality of memory cells. The control logic may control the peripheral circuit to set target parameters related to a main operation based on a comparison result between a fail bit detection time measured in the fail bit detection operation and a reference time, and perform the main operation on the selected memory cells based on the target parameters.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 30, 2024
    Inventors: Chan Hui JEONG, Dong Hun KWAK, Se Chun PARK
  • Publication number: 20240177784
    Abstract: A method of operating a semiconductor device includes: starting a program operation on selected memory cells among a plurality of memory cells in response to a program command; suspending the program operation in response to a program suspend command; and performing a pre-verify operation by using a modified verify voltage in response to a program resume command.
    Type: Application
    Filed: May 2, 2023
    Publication date: May 30, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Se Chun PARK
  • Publication number: 20240176503
    Abstract: A memory device includes: a plurality of memory cells; a peripheral circuit configured to perform a plurality of program loops each including a program voltage apply operation of applying a program voltage to selected memory cells, and a verify operation of verifying a program state of the selected memory cells; and a control logic configured to control the peripheral circuit to apply program voltages increasing in a step-wise manner by a first step voltage in program loops in a first state, and increasing by a second step voltage that is lower than the first step voltage in program loops in a second state that occur after the program loops in the first state. The first state and the second state of the program loops are determined based on when a verify operation on a program state having a highest threshold voltage is performed.
    Type: Application
    Filed: May 4, 2023
    Publication date: May 30, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Hui JEONG, Se Chun PARK
  • Publication number: 20240170078
    Abstract: A memory device includes a plurality of memory cells programmed to a first program state through a plurality of program loops, a page buffer configured to perform a verify operation of verifying the first program state in each of the plurality of program loops, and control logic configured to, as the plurality of program loops are sequentially performed, adjust a first evaluation time of a first evaluation operation so as to decrease the difference between a second evaluation time of a second evaluation operation and the first evaluation time.
    Type: Application
    Filed: April 26, 2023
    Publication date: May 23, 2024
    Applicant: SK hynix Inc.
    Inventors: Jong Hoon LEE, Se Chun PARK
  • Publication number: 20240162373
    Abstract: A light emitting element includes: a first semiconductor layer; an active layer provided on the first semiconductor layer; a second semiconductor layer provided on the active layer; and an insulative film around at least a portion of the first semiconductor layer, the active layer, and the second semiconductor layer, which are sequentially provided in a first direction. The active layer may include a first barrier layer, a first well layer, and a second barrier layer, which are sequentially provided in the first direction, and the first well layer may include first holes penetrating the first well layer.
    Type: Application
    Filed: July 31, 2023
    Publication date: May 16, 2024
    Inventors: Kwan Jae LEE, Bong Chun PARK, Dong Eon LEE, So Young LEE, Seung A LEE
  • Publication number: 20240154166
    Abstract: The present disclosure relates to a lithium secondary battery in which an abnormal voltage drop phenomenon is improved. The lithium secondary battery comprises a negative electrode comprising a negative electrode active material, a positive electrode comprising a positive electrode active material represented by Formula 1, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution comprises a lithium salt, a non-aqueous organic solvent, a compound represented by Formula 2 as a first additive, and lithium difluorophosphate as a second additive: LiaNixCOyM1zM2wO2??[Formula 1] wherein all the variables are described herein.
    Type: Application
    Filed: October 4, 2022
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ha Eun Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Hyung Tae Kim, Young Mi Seo
  • Patent number: 11978857
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below: wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyung Tae Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Young Mi Seo, Sung Guk Park
  • Publication number: 20240122554
    Abstract: The present invention relates to a method for generating an alarm pertaining to continuous biometric data and, more specifically, to an alarm generation method in which, if an alarm condition is satisfied, an alarm is output to a user while maintaining the alarm in an activated state during a set alarm period, and changing the alarm type selected by the user during the alarm period, thereby enabling the user to be prompted to input information or take an action in response to the alarm without ignoring the alarm, while not causing inconvenience to the user due to frequent alarms; and when the alarm condition is satisfied, an operating mode of a receiver is determined and the alarm type, which has been set in accordance with the alarm condition, is changed to an alarm type corresponding to the operating mode of the receiver, thereby making it possible to prevent an alarm from being generated against the user's wishes.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Young Jae KANG, Jeong Je PARK, Seung Chun LEE
  • Publication number: 20240120439
    Abstract: A light emitting element includes a first semiconductor layer, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, and an insulating layer enclosing the first semiconductor layer, the active layer, and at least a portion of the second semiconductor layer. The first semiconductor layer, the active layer, and the second semiconductor layer are successively disposed in a first direction. The active layer includes a first barrier layer, a second barrier layer, and a first well layer disposed between the first barrier layer and the second barrier layer, and including a non-uniform indium composition ratio in a first direction and a second direction intersecting the first direction, and including a non-uniform indium density in a third direction intersecting the first direction and the second direction.
    Type: Application
    Filed: May 17, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung A LEE, Bong Chun PARK, Kwan Jae LEE, Dong Eon LEE, So Young LEE
  • Publication number: 20240105695
    Abstract: A display device includes: a pixel circuit layer including a plurality of transistors; first partition wall and a second partition wall on the pixel circuit layer, each of the first and second partition walls having a shape protruding in a thickness direction; a first electrode and a second electrode on the same layer and respectively on the first partition wall and the second partition wall; a light emitting element between the first electrode and the second electrode; and a semiconductor pattern directly on the first electrode.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Tae Gyun KIM, Jun Hong PARK, Jun CHUN, Eui Suk JUNG, Hyun Young JUNG
  • Patent number: 11942868
    Abstract: A power provider includes: first, second, and third inductors; a first transistor connected to the second inductor; a second transistor connected to the third inductor; and a power integrated chip (IC) including input terminals connected to the first, second, and third inductors, and an output terminal connected to a power line. The power provider may supply the power voltage using the first inductor and the power IC when power current is less than a first reference value, supply the power voltage using the second inductor, the first transistor, and the power IC when the power current is greater than the first reference value and less than a second reference value, and supply the power voltage using the second and third inductors, the first and second transistors, and the power IC when the power current is greater than the second reference value.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon Young Lee, Sung Chun Park
  • Publication number: 20240099119
    Abstract: A display device including a display panel having a folding area and a bending area, a support member disposed on a surface of the display panel and including a plurality of openings formed in the folding area, an elastic member disposed on a surface of the support member and overlapping the openings in the folding area, and a first adhesive member disposed between the support member and the elastic member.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 21, 2024
    Inventors: Jae Chun PARK, Dongcheol KIM, Yun Jae KIM
  • Patent number: 11929126
    Abstract: A memory device, and a method of operating the memory device, includes a memory block in which a plurality of cell pages are coupled to each of word lines. The memory device also includes a peripheral circuit configured to adjust a time point at which a verify voltage is applied to a selected word line among the word lines according to an order of performing a program operation during a verify operation of a selected cell page. The memory device further includes a control logic circuit configured to transmit, to the peripheral circuit, an operation code for adjusting a time point at which the verify voltage is output.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 12, 2024
    Assignee: SK hynix Inc.
    Inventors: Sung Hyun Hwang, Jae Yeop Jung, Se Chun Park
  • Publication number: 20240077247
    Abstract: A refrigerator includes a storage casing having a first storage compartment and a front wall protruding outward along a front edge of the storage compartment; a hot line located along a rear surface of the front wall; and a first barrier located inside the first storage compartment so as to cross the storage first compartment in a left and right direction, the first barrier partitioning the first storage compartment into a first upper storage compartment and a first lower storage compartment. A hot line outlet configured to allow a first portion of the hot line to be withdrawn therethrough is located in one side of the first storage casing in contact with the first barrier. A second portion of the hot line extends inwardly with respect to the first storage casing so as to overlap a front surface of the first barrier.
    Type: Application
    Filed: June 26, 2023
    Publication date: March 7, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Myeongseong PARK, Chun Hee HONG, Seongjun YUN, Hyeonu PARK
  • Publication number: 20240071788
    Abstract: The present disclosure discloses a flat substrate heating apparatus including a module support plate having a plurality of unit module regions placed on an upper surface thereof; a plurality of laser light source modules having a plurality of laser light source devices and seated on unit module regions of the module support plate, respectively; a power supply board placed below the module support plate and configured to supply power to the laser light source module; and an electrode terminal electrically connecting the laser light source module and the power supply board while detachably securing them to upper and lower surfaces of the module support plate.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 29, 2024
    Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Jin Hong Lee, Nam Chun Lee
  • Publication number: 20240071786
    Abstract: The present disclosure provides substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam irradiating plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a laser beam to a lower surface of the flat substrate through the beam irradiating plate; and a gas circulation cooling module for spraying a cooling gas to an upper surface of the infrared transmitting plate, thereby cooling the infrared transmitting plate.
    Type: Application
    Filed: December 23, 2021
    Publication date: February 29, 2024
    Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Oh Sung Kwon, Jin Hong Lee, Nam Chun Lee
  • Publication number: 20240064221
    Abstract: A display device according to an embodiment includes: a display panel; a first flexible printed circuit board electrically connected to the display panel; and a protective film attached to the first flexible printed circuit board, wherein the protective film includes: a cover layer; a support layer disposed between the cover layer and the first flexible printed circuit board; a first adhesive layer attaching the cover layer and the support layer; and a second adhesive layer attaching the support layer to the first flexible printed circuit board and including a first adhesive portion and a second adhesive portion having different adhesive forces.
    Type: Application
    Filed: May 4, 2023
    Publication date: February 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hun-Tae KIM, JAE-YONG KWON, Sang Hyeok KIM, Jae Chun PARK, Dong-Hun JUNG
  • Publication number: 20240047731
    Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes a positive electrode active material layer having a positive electrode active material containing an overlithiated manganese-based oxide represented by Formula 1 below, and the negative electrode includes a negative electrode active material layer having a silicon-based negative electrode active material, LiaNibCocMndMeO2 ??[Formula 1] wherein, M is at least one selected from the group consisting of Al, B, Co, W, Mg, V, Ti, Zn, Ga, In, Ru, Nb, Sn, Sr, and Zr, and 1<a, 0?b?0.5, 0?c?0.1, 0.5?d<1.0, and 0?e?0.2, and. Preferably, in the Formula 1, 1.1?a?1.5, 0.1?b?0.4, 0?c?0.05, 0.5?d?0.80, and 0?e?0.1.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 8, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Byung Chun Park, Yo Han Kwon, Je Young Kim, Seok Koo Kim, Wang Mo Jung, Yong Ju Lee, Chul Haeng Lee
  • Publication number: 20240046834
    Abstract: A direct current-to-direct current (“DC-DC”) converter includes: a first converter which outputs a first power voltage in a normal mode or a power saving mode based on a inductor current generated therein, where the first converter operates in a first driving manner in the normal mode, and operates in a second driving manner in the power saving mode; a second converter which outputs a second power voltage based on a inductor current generated therein, where the second converter operates in a third driving manner in the power saving mode, and a magnitude of the second power voltage in the power saving mode is different from that in the normal mode; and a mode selector which supplies a mode control signal to the first and second converters, where the first and second converters are driven in the normal mode or the power saving mode based on the mode control signal.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Inventors: Sung Chun PARK, Yoon Young LEE
  • Publication number: 20240039435
    Abstract: A motor driving apparatus includes a first motor including first windings respectively corresponding to phases, a second motor including second windings respectively corresponding phases, a first inverter including first switching elements and connected to a first end of each of the first windings, a second inverter including second switching elements, a first changeover switch including third switching elements respectively connected to a second end of each of the first windings at one end and connected to each other at the other end, a second changeover switch including switches selectively connecting the second inverter with the second end of each of the first windings or the second inverter with a first end of each of the second windings, and a controller configured for controlling the states of the first switching elements, the second switching elements, the third switching elements and the switches based on preset conditions.
    Type: Application
    Filed: January 19, 2023
    Publication date: February 1, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Han Geun JANG, Nae Chun PARK, In Ho KIM, Sang Cheol SHIN, Choul Woo JUNG