Patents by Inventor Bum-hee Lee

Bum-hee Lee 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: 12000900
    Abstract: Disclosed is an apparatus and method for controlling a turn-on sequence of switches included in a parallel multi battery pack, including a processor that receives a switch voltage value from a voltage sensor coupled to a kth sequence switch unit (k is a turn-on sequence index, which is a natural number of 2 to n) before turning on the kth sequence switch, then turns on the kth sequence switch, subsequently receives a switch current value from a current sensor connected to the kth sequence switch, counts a watt energy value consumed in the kth sequence switch from the switch voltage value and the switch current value and determines the turn-on sequence of the first to nth switches in descending order from a switch having a greatest watt energy count value.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: June 4, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
  • Publication number: 20240158768
    Abstract: The present invention relates to a peptide with anti-inflammatory activity, wherein the peptide comprises any one amino acid sequence of SEQ ID NO: 1 to SEQ ID NO: 161, the peptide has above 80% homology of amino acid sequence with above-mentioned sequences, or the peptide is the fragment of the above-mentioned peptides. The present invention also relates to an inflammatory composition comprising the above mentioned peptides. According to the present invention, a peptide that has at least one amino acid sequence of SEQ ID NO: 1 to SEQ ID NO: 161 has outstanding efficacy in both suppressing inflammation and in prophylactic means. Therefore, the composition comprising the peptides of this invention can be used as anti-inflammatory pharmaceutical compositions or as cosmetic compositions, in turn, treating and preventing a variety of different types of inflammatory diseases.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 16, 2024
    Inventors: Sang Jae KIM, Kyung Hee KIM, Kyu-Yong LEE, Seong-Ho KOH, Bum Joon KIM, Hyun-Hee PARK, Sung Jin HUH, Woo Jin LEE, Hwain JANG, Jung Soon HA
  • Publication number: 20240164207
    Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer may include a plurality of light-emitting auxiliary layers and the LUMO/HOMO energy levels of the plurality of light-emitting auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the lifetime of the organic electric element can be improved.
    Type: Application
    Filed: September 4, 2020
    Publication date: May 16, 2024
    Inventors: Bum Sung LEE, Min Ji JO, Soung Yun MUN, Sun Hee LEE, Je Woo LEE, Young Hoon KANG
  • Publication number: 20240091320
    Abstract: The present invention relates to a peptide with anti-inflammatory activity, wherein the peptide comprises SEQ ID NO: 1, the peptide has above 80% homology of amino acid sequence with above-mentioned sequence, or the peptide is the fragment of the above-mentioned peptides. The present invention also relates to an inflammatory composition comprising the above mentioned peptides. According to the present invention, a peptide comprising a sequence of SEQ ID NO: 1 has an outstanding efficacy in both suppressing inflammation and in prophylactic means. Therefore, the composition comprising the peptide of this invention can be used as anti-inflammatory pharmaceutical composition or as cosmetic composition, in turn, treating and preventing a variety of different types of inflammatory diseases.
    Type: Application
    Filed: August 9, 2023
    Publication date: March 21, 2024
    Inventors: Sang Jae KIM, Kyung Hee KIM, Kyu-Yong LEE, Seong-Ho KOH, Hyun-Hee PARK, Sung Jin HUH, Woo Jin LEE, Bum Joon KIM
  • Publication number: 20240087538
    Abstract: A display device according to an exemplary embodiment of the present disclosure includes a light emitting diode and a pixel driving circuit which drives the light emitting diode, the pixel driving circuit includes a driving transistor which applies a driving current to the light emitting diode, a first transistor which applies a first reference voltage to a gate electrode of the driving transistor, a second transistor which applies a data voltage to the gate electrode of the driving transistor, a third transistor which applies a second reference voltage to a source electrode of the driving transistor, and a storage capacitor connected to the gate electrode and the source electrode of the driving transistor. According to the present disclosure, the threshold voltage Vth and the mobility of the driving transistors are internally compensated to improve an image quality.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 14, 2024
    Applicants: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Harkjin KIM, Kwanghwan JI, Byong-Deok CHOI, Bum Sik KIM, Dong Young KIM, Yong Duck KIM, June Hee LEE
  • Publication number: 20240066919
    Abstract: A drive axle assembly capable of reducing drag torque by eliminating an inner bearing seal from a wheel bearing and capable of reducing the generation of frictional noise at corrugations of a boot. The drive axle assembly includes a wheel bearing assembled with a wheel housing, an outer ring having a ring shape and including an outer-diameter portion secured to an outer wheel of a wheel bearing, a boot including a large-diameter portion formed at one end thereof and assembled with an inner-diameter portion of the outer ring, and a bearing seal unit disposed between a small-diameter portion formed at the other end of the boot and a drive shaft to restrict rotation of the boot and to prevent introduction of foreign substances.
    Type: Application
    Filed: August 25, 2022
    Publication date: February 29, 2024
    Inventors: Chang Hee JEONG, Hee Joon KIM, Bum Jae LEE
  • Patent number: 11846680
    Abstract: A battery resistance diagnosis device includes a current supply unit configured to supply a preset fixed current to a battery cell, a voltage measurement unit configured to measure an open circuit voltage of the battery cell while the fixed current is supplied, an external resistance calculation unit configured to calculate an external resistance value of the battery based on the fixed current and the open circuit voltage of the battery cell, and an abnormality diagnosis unit configured to diagnose a battery abnormality due to a voltage drop by comparing the calculated external resistance value with a preset external resistance value.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: December 19, 2023
    Inventor: Bum Hee Lee
  • Patent number: 11815556
    Abstract: An apparatus and method for diagnosing a failure of a switch unit included in a multi battery pack. The magnitude of a pack current flowing from each of battery packs connected in parallel to a load is measured, a battery pack whose pack current has a magnitude smaller than the average value by a threshold value or more is identified, and it is determined that an open failure occurs at the switch unit included in the identified battery pack, and the information of the battery pack including the switch unit at which the open failure occurs is output. The internal resistance of each battery pack may be statistically analyzed in order to more accurately diagnose the failure at the switch unit. Thus, an open failure of switch units included in battery packs connected in parallel may be easily and reliably diagnosed in a statistical viewpoint.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: November 14, 2023
    Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
  • Publication number: 20230155216
    Abstract: The present invention relates to a pouch-shaped secondary battery with improved safety including a gas pocket disposed on an electrode lead and a current sensing portion configured to move in response to expansion of the gas pocket. The pouch-shaped secondary battery may be capable of indicating the extent of gas in a receiving portion of the case in advance. A battery module may include the pouch-shaped secondary battery.
    Type: Application
    Filed: June 22, 2021
    Publication date: May 18, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Bum Hee Lee, Sang Ki Lee, Su Won Kang
  • Patent number: 11513728
    Abstract: A storage device includes a main storage and a storage controller to control the main storage. The main storage stores data and includes a plurality of nonvolatile memory devices. The storage controller loads at least one of (a) at least a portion of mapping tables and (b) at least one of a portion of directories to a host memory buffer included in an external host device, based on at least one of a size of the host memory buffer and locality information associated with a data access pattern of the host device. The mapping tables are stored in the nonvolatile memory devices and the mapping tables indicate a mapping relationship between a physical address and a logical address of corresponding ones of the nonvolatile memory devices. The directories store address information of the mapping tables.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-Ryun Lee, Bum-Hee Lee
  • Publication number: 20220179008
    Abstract: An apparatus and method for diagnosing a battery bank having a failure in a connection state, including a state measuring unit configured to measure a state of each battery bank of a battery pack during a charging process and a discharging process of the battery pack; and a control unit configured to extract at least one battery bank by comparing states of the battery banks measured during the charging process of the battery pack with each other, extract at least one battery bank by comparing states of the battery banks measured during the discharging process of the battery pack with each other, and distinguish a battery bank having a failure in a connection state based on whether the battery banks respectively extracted during the charging process and the discharging process are identical to each other.
    Type: Application
    Filed: September 7, 2020
    Publication date: June 9, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Bum-Hee Lee, Su-Won Kang, Han-Sol Kim, Sang-Ki Lee
  • Publication number: 20220155371
    Abstract: An apparatus and method for diagnosing a failure of a switch unit included in a multi battery pack. The magnitude of a pack current flowing from each of battery packs connected in parallel to a load is measured, a battery pack whose pack current has a magnitude smaller than the average value by a threshold value or more is identified, and it is determined that an open failure occurs at the switch unit included in the identified battery pack, and the information of the battery pack including the switch unit at which the open failure occurs is output. The internal resistance of each battery pack may be statistically analyzed in order to more accurately diagnose the failure at the switch unit. Thus, an open failure of switch units included in battery packs connected in parallel may be easily and reliably diagnosed in a statistical viewpoint.
    Type: Application
    Filed: November 13, 2020
    Publication date: May 19, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
  • Publication number: 20220155378
    Abstract: A battery resistance diagnosis device includes a current supply unit configured to supply a preset fixed current to a battery cell, a voltage measurement unit configured to measure an open circuit voltage of the battery cell while the fixed current is supplied, an external resistance calculation unit configured to calculate an external resistance value of the battery based on the fixed current and the open circuit voltage of the battery cell, and an abnormality diagnosis unit configured to diagnose a battery abnormality due to a voltage drop by comparing the calculated external resistance value with a preset external resistance value.
    Type: Application
    Filed: July 17, 2020
    Publication date: May 19, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Bum Hee Lee
  • Publication number: 20220146586
    Abstract: Disclosed is an apparatus and method for controlling a turn-on sequence of switches included in a parallel multi battery pack, including a processor that receives a switch voltage value from a voltage sensor coupled to a kth sequence switch unit (k is a turn-on sequence index, which is a natural number of 2 to n) before turning on the kth sequence switch, then turns on the kth sequence switch, subsequently receives a switch current value from a current sensor connected to the kth sequence switch, counts a watt energy value consumed in the kth sequence switch from the switch voltage value and the switch current value and determines the turn-on sequence of the first to nth switches in descending order from a switch having a greatest watt energy count value.
    Type: Application
    Filed: October 15, 2020
    Publication date: May 12, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Won KANG, Han-Sol KIM, Bum-Hee LEE, Sang-Ki LEE
  • Publication number: 20220140620
    Abstract: Disclosed is an apparatus and method for balancing battery packs connected in parallel. If the pack voltage deviation of the first to nth battery packs is greater than the first threshold value, a battery cell having a higher voltage than the pack balancing target voltage set according to a preset criterion among the voltages of all cells is discharged to perform pack balancing for each battery pack and if the pack voltage deviation is equal to or smaller than the first threshold value, a battery cell having a higher voltage than the cell balancing target voltage set according to a preset criterion among the voltages of the cells included in a battery pack having a cell voltage deviation greater than the second threshold value is discharged to perform cell balancing for each battery pack.
    Type: Application
    Filed: October 22, 2020
    Publication date: May 5, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Won KANG, Han-Sol KIM, Bum-Hee LEE, Sang-Ki LEE
  • Publication number: 20210263675
    Abstract: A storage device includes a main storage and a storage controller to control the main storage. The main storage stores data and includes a plurality of nonvolatile memory devices. The storage controller loads at least one of (a) at least a portion of mapping tables and (b) at least one of a portion of directories to a host memory buffer included in an external host device, based on at least one of a size of the host memory buffer and locality information associated with a data access pattern of the host device. The mapping tables are stored in the nonvolatile memory devices and the mapping tables indicate a mapping relationship between a physical address and a logical address of corresponding ones of the nonvolatile memory devices. The directories store address information of the mapping tables.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: SU-RYUN LEE, BUM-HEE LEE
  • Patent number: 11036425
    Abstract: A storage device includes a main storage and a storage controller to control the main storage. The main storage stores data and includes a plurality of nonvolatile memory devices. The storage controller loads at least one of (a) at least a portion of mapping tables and (b) at least one of a portion of directories to a host memory buffer included in an external host device, based on at least one of a size of the host memory buffer and locality information associated with a data access pattern of the host device. The mapping tables are stored in the nonvolatile memory devices and the mapping tables indicate a mapping relationship between a physical address and a logical address of corresponding ones of the nonvolatile memory devices. The directories store address information of the mapping tables.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-Ryun Lee, Bum-Hee Lee
  • Publication number: 20200142630
    Abstract: A storage device includes a main storage and a storage controller to control the main storage. The main storage stores data and includes a plurality of nonvolatile memory devices. The storage controller loads at least one of (a) at least a portion of mapping tables and (b) at least one of a portion of directories to a host memory buffer included in an external host device, based on at least one of a size of the host memory buffer and locality information associated with a data access pattern of the host device. The mapping tables are stored in the nonvolatile memory devices and the mapping tables indicate a mapping relationship between a physical address and a logical address of corresponding ones of the nonvolatile memory devices. The directories store address information of the mapping tables.
    Type: Application
    Filed: July 9, 2019
    Publication date: May 7, 2020
    Inventors: SU-RYUN LEE, BUM-HEE LEE
  • Patent number: 10613975
    Abstract: A memory device and a dynamic garbage collection method thereof are provided. The method includes receiving a minimum operating speed, ascertaining a reference valid page count ratio (VPC), using a maximum operating speed, the minimum operating speed, and a garbage collection speed, the reference VPC ratio being ascertained by the following formula 1 and determining whether to perform a garbage collection, using the reference VPC ratio and a current average VPC ratio. <Formula 1> Vr=Gp (Jp?Mp)/(Jp*Mp+(Gp*(Jp?Mp))) Here, Vr is the reference VPC ratio, Gp is the garbage collection speed, Jp is the maximum operating speed, and Mp is the minimum operating speed.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: April 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Won Jung, Young Pil Song, Ju-Young Lee, Jun Ho Ahn, Bum Hee Lee, Sung-Hyun Cho, In Tae Hwang
  • Patent number: 10445252
    Abstract: An operating method performed by a storage device includes selecting a first task from among a plurality of tasks queuing in a command queue of the storage device, checking a first block to be accessed by the first task using a mapping table loaded to the storage device, determining whether the first block is a read reclaim target or a replacement target, and determining an order of executing the first task depending on whether the first block is the read reclaim target or the replacement target.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Chul Park, Bum-Hee Lee, Bo-Mi Seok