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: 12000900Abstract: 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: GrantFiled: October 15, 2020Date of Patent: June 4, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
-
Publication number: 20240158768Abstract: 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: ApplicationFiled: January 12, 2024Publication date: May 16, 2024Inventors: 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: 20240164207Abstract: 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: ApplicationFiled: September 4, 2020Publication date: May 16, 2024Inventors: Bum Sung LEE, Min Ji JO, Soung Yun MUN, Sun Hee LEE, Je Woo LEE, Young Hoon KANG
-
Publication number: 20240091320Abstract: 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: ApplicationFiled: August 9, 2023Publication date: March 21, 2024Inventors: 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: 20240087538Abstract: 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: ApplicationFiled: September 6, 2023Publication date: March 14, 2024Applicants: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang UniversityInventors: Harkjin KIM, Kwanghwan JI, Byong-Deok CHOI, Bum Sik KIM, Dong Young KIM, Yong Duck KIM, June Hee LEE
-
Publication number: 20240066919Abstract: 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: ApplicationFiled: August 25, 2022Publication date: February 29, 2024Inventors: Chang Hee JEONG, Hee Joon KIM, Bum Jae LEE
-
Patent number: 11846680Abstract: 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: GrantFiled: July 17, 2020Date of Patent: December 19, 2023Inventor: Bum Hee Lee
-
Patent number: 11815556Abstract: 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: GrantFiled: November 13, 2020Date of Patent: November 14, 2023Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
-
Publication number: 20230155216Abstract: 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: ApplicationFiled: June 22, 2021Publication date: May 18, 2023Applicant: LG Energy Solution, Ltd.Inventors: Bum Hee Lee, Sang Ki Lee, Su Won Kang
-
Patent number: 11513728Abstract: 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: GrantFiled: May 10, 2021Date of Patent: November 29, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Su-Ryun Lee, Bum-Hee Lee
-
Publication number: 20220179008Abstract: 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: ApplicationFiled: September 7, 2020Publication date: June 9, 2022Applicant: LG Energy Solution, Ltd.Inventors: Bum-Hee Lee, Su-Won Kang, Han-Sol Kim, Sang-Ki Lee
-
Publication number: 20220155371Abstract: 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: ApplicationFiled: November 13, 2020Publication date: May 19, 2022Applicant: LG Energy Solution, Ltd.Inventors: Su-Won Kang, Han-Sol Kim, Bum-Hee Lee, Sang-Ki Lee
-
Publication number: 20220155378Abstract: 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: ApplicationFiled: July 17, 2020Publication date: May 19, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventor: Bum Hee Lee
-
Publication number: 20220146586Abstract: 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: ApplicationFiled: October 15, 2020Publication date: May 12, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Su-Won KANG, Han-Sol KIM, Bum-Hee LEE, Sang-Ki LEE
-
Publication number: 20220140620Abstract: 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: ApplicationFiled: October 22, 2020Publication date: May 5, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Su-Won KANG, Han-Sol KIM, Bum-Hee LEE, Sang-Ki LEE
-
Publication number: 20210263675Abstract: 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: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Inventors: SU-RYUN LEE, BUM-HEE LEE
-
Patent number: 11036425Abstract: 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: GrantFiled: July 9, 2019Date of Patent: June 15, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Su-Ryun Lee, Bum-Hee Lee
-
Publication number: 20200142630Abstract: 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: ApplicationFiled: July 9, 2019Publication date: May 7, 2020Inventors: SU-RYUN LEE, BUM-HEE LEE
-
Patent number: 10613975Abstract: 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: GrantFiled: September 18, 2018Date of Patent: April 7, 2020Assignee: 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: 10445252Abstract: 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: GrantFiled: June 16, 2017Date of Patent: October 15, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Chul Park, Bum-Hee Lee, Bo-Mi Seok