Patents by Inventor In Beom Lee

In Beom 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).

  • Publication number: 20230328906
    Abstract: A rollable display device includes a display panel; a support disposed on a rear surface of the display panel; a fixing bracket to which a first end of the support and a first end of the display panel are fixed; a roller to which a second end of the support is fixed; a first link including a first end coupled to the fixing bracket; a second link including a first end fastened to a second end of the first link; and a driver connected to a second end of the second link.
    Type: Application
    Filed: November 15, 2022
    Publication date: October 12, 2023
    Inventor: Won Beom LEE
  • Publication number: 20230327595
    Abstract: Provided is a transport system to minimize an interference between motors of a transport vehicle. The transport system comprises: a first motor controller corresponding to a first wheel and configured to generate a first current value; a first motor system configured to move based on the first current value and provide a first position value according to the movement; a disturbance observer configured to receive the first current value and the first position value and calculate a first disturbance value affecting the first motor system; a second motor controller corresponding to a second wheel and configured to generate a second current value; a compensation current generator configured to generate a second compensation current value based on the second current value and the first disturbance value; and a second motor system configured to move by the second compensation current value and provide a second position value according to the movement.
    Type: Application
    Filed: December 30, 2022
    Publication date: October 12, 2023
    Inventors: Jun Beom LEE, Yeong Jae CHOE, Dong Hoon YANG, Byung Kwon LEE
  • Patent number: 11780796
    Abstract: The present disclosure relates to a method of decomposing a phenolic by-product, including: a step of feeding and thermally cracking a phenolic by-product stream to and in a decomposition apparatus, recovering an active ingredient from a top discharge stream, and discharging a high-boiling substance through a bottom discharge stream; a step of pressurizing each of a side discharge stream of the decomposition apparatus and a bottom discharge stream of the decomposition apparatus; a step of mixing the pressurized side discharge stream of the decomposition apparatus and the pressurized bottom discharge stream of the decomposition apparatus with each other to form a mixed stream; and a step of passing a part of the mixed stream through a reboiler, circulating the part of the mixed stream to the decomposition apparatus, and discharging a residual mixed stream.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: October 10, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Min Suk Kang, Sang Beom Lee, Chi Hyun Jang
  • Publication number: 20230315145
    Abstract: A display device includes: a display module having a flat area and a bendable area; and a sliding module configured to slide the display module in a first direction, wherein the sliding module includes: a central part including an upper central portion and a lower central portion, wherein the upper central portion is disposed under the flat area, and the lower central portion is disposed under the upper central portion; an upper expandable part configured to expand and contract and connected to the upper central portion; a roller connected to the upper expandable part; a first lower expandable part configured to expand and contract and connected to the lower central portion; and a second lower expandable part configured to expand and contract and connected to the first lower expandable part, wherein the second lower expandable part is connected to the bendable area.
    Type: Application
    Filed: October 19, 2022
    Publication date: October 5, 2023
    Inventor: Won Beom LEE
  • Publication number: 20230318119
    Abstract: A secondary battery includes: an electrode assembly; an electrode lead; a battery case with an accommodation portion for the electrode assembly and a sealing portion sealing the accommodation portion; and a lead film. The sealing portion includes a connection-sealing region connected to the accommodation portion, a front end-sealing region, and a reinforcement-sealing region therebetween. The reinforcement-sealing region includes a compressed surface, provided in the sealing portion between the connection-sealing region and the front end-sealing region and recessed into the sealing portion, and raised surfaces, provided in the sealing portion between the connection-sealing region and the compressed surface and between the front end-sealing region and the compressed surface and each of which is formed thicker than the compressed surface. The battery case has a resin layer, a metal layer, and an insulating layer.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 5, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Won Pill Hwang, Seung Ho Na, Sang Ho Bae, Kwan Bo Lee, Yoon Beom Lee, Shin Chul Kim, Su Taek Jung, Chang Min Han
  • Publication number: 20230304839
    Abstract: Proposed is a remote metering system using an ultrasonic water meter, which can minimize power consumption by adopting a low power wide area communication network and a low power design optimized for a power usage according to a transmission cycle when metering data is transmitted by radio so as to extend a replacement cycle of a battery, thereby minimizing maintenance costs due to battery replacement.
    Type: Application
    Filed: October 24, 2022
    Publication date: September 28, 2023
    Inventors: Tae Hwa JUNG, Jung Beom LEE, Jae Woo LEE
  • Publication number: 20230302926
    Abstract: An electric vehicle and a wireless charging system are disclosed. The wireless charging system includes a processor and a communication device. The processor is configured to search for a platooning string around an electric vehicle, to control the electric vehicle to join the searched platooning string based on a vehicle state and driving information of vehicles in the platooning string, and to receive wireless charging, when receiving a wireless charging request from the electric vehicle. The communication device is configured to perform wireless communication with the electric vehicle and the vehicles in the platooning string.
    Type: Application
    Filed: October 24, 2022
    Publication date: September 28, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Keon Chang Lee, Ki Beom Lee
  • Publication number: 20230282886
    Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Kwang-Jo Cheong, Yong-Beom Lee, Myung-Ro Lee, Su-Min Lee
  • Patent number: 11740296
    Abstract: The present invention relates to a device and method which can measure, in real time, the resistance, depending on pressure changes, of a separator that is immersed in an electrolyte, and enables analysis of the resistance properties of a separator reflecting the real operating state of a secondary battery.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: August 29, 2023
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jong Keon Yoon, Jeong Beom Lee, Hoe Jin Hah
  • Patent number: 11714490
    Abstract: A radial magnet actuator includes a housing having an inner space, a moving body including a mass body provided to relatively move in the inner space, and a hollow radial magnet provided in the mass body, an elastic member configured to elastically support the moving body from one side of the inner space, and a hollow coil part provided at an upper side of the inner space, with at least a portion inserted into the hollow of the radial magnet, wherein the radial magnet is magnetized in a radial direction.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 1, 2023
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Jong Ki Lee, Ihn Beom Lee
  • Patent number: 11707697
    Abstract: The present disclosure relates to a dividing wall distillation column and a method for refining vinylidene dichloride by using the same and, more specifically, to a dividing wall distillation column capable of refining, in a high purity, vinylidene dichloride from a crude product; and a method for refining vinylidene dichloride by using the same. According to the dividing wall distillation column of the present disclosure and the method for refining vinylidene dichloride by using the same, vinylidene dichloride can be refined, in a high purity, from a crude product having a small amount of vinylidene dichloride and a large quantity of high boiling components, and energy consumption can be reduced more than that in conventional cases.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: July 25, 2023
    Assignee: Hanwha Solutions Corporation
    Inventors: Woo Youl Ahan, Shin Beom Lee
  • Patent number: 11704988
    Abstract: The present invention relates to a system and method for monitoring the safety of users in a shaded area, wherein location information about an RFID post installed in a shaded area is identified by means of an RFID tag, so that the location of a work group working in the shaded area can be transmitted to a control server in real time, and the control server compares the location of the work group with operation information about trains, thereby determining whether the work group is in danger or not, makes notification the same, so that the safety of the work group can be secured.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: July 18, 2023
    Assignee: The Catholic University of Korea Industry—Academic Cooperation Foundation
    Inventors: Sang Ho Choe, Young Hyeon Jang, Jung Ho Ahn, Jun Beom Lee, Nam Hong Kim
  • Publication number: 20230207933
    Abstract: The present invention is provided with a secondary battery comprising: an electrode assembly to which an electrode lead is bonded; a pouch configured to accommodate the electrode assembly and provided with a sealing part; and a lead film configured to seal a portion between the sealing part and the electrode lead, wherein a pattern means configured to pattern the sealing part and the lead film so as to increase in bonding area between the sealing part and the lead film is provided on a bonding portion between the sealing part and the lead film. Therefore, bonding force and sealing force between the lead film and the sealing part may increase.
    Type: Application
    Filed: January 27, 2022
    Publication date: June 29, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Beom Lee, Jun Ho Yoon, Chang Min Han
  • Patent number: 11688884
    Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: June 27, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwang-Jo Cheong, Yong-Beom Lee, Myung-Ro Lee, Su-Min Lee
  • Publication number: 20230187581
    Abstract: A display device is provided. The display device comprises a substrate, contact electrodes and a common contact electrode on the substrate, light-emitting elements on the contact electrodes, and a common connecting electrode on the common contact electrode and connected to the light-emitting elements, wherein the common connecting electrode includes first conductive patterns, which are in contact with the common contact electrode.
    Type: Application
    Filed: August 8, 2022
    Publication date: June 15, 2023
    Inventors: So Young YEO, Ok Yi LEE, Soo Chul KIM, Jin Taek PARK, Dae Ho SONG, Ki Beom LEE
  • Patent number: 11670393
    Abstract: A semiconductor device includes a flag generation circuit configured to receive region fuse data and used fuse data which are generated from a fuse set selected based on a fuse set selection signal among from fuse sets and generate a bank resource flag to control a repair operation for a bank on which a repair operation has not been performed, based on the region fuse data and the used fuse data. The semiconductor device also includes a repair control circuit configured to control the repair operation for banks sharing the fuse sets based on the bank resource flag.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: June 6, 2023
    Assignee: SK hynix Inc.
    Inventors: Dong Beom Lee, Eun Je Kim, Hyeong Soo Jeong
  • Patent number: 11662823
    Abstract: A haptic device according to one embodiment can comprise: a database unit for storing acoustic information or receiving the acoustic information from an external device; a control unit for converting the acoustic information into an electrical signal according to a predetermined pattern; a driving unit for generating a motion signal on the basis of the electrical signal; and a transfer unit for transferring a patterned tactile signal to a user by means of the motion signal.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: May 30, 2023
    Assignee: CK MATERIAL LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Ji Goo Kang, Jong Hun Lee, Jeong Beom Lee, Jong Hyung Jung
  • Publication number: 20230159312
    Abstract: Proposed are an OHT vehicle and a method of controlling the operation of the same. More particularly, proposed is a technology in which when a steering change is not performed properly as a steering wheel is adhered to a damper during the operation of a steering unit of an OHT vehicle, a dithering motion function is applied to the steering wheel to enable an efficient steering change of the OHT vehicle.
    Type: Application
    Filed: November 13, 2022
    Publication date: May 25, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Jun Beom LEE, Dong Hoon YANG
  • Patent number: 11638737
    Abstract: Disclosed are a Filipendula glaberrima alcoholic extract and solvent fractions fractionated therefrom or novel compounds 1 and 2 purely isolated from a Filipendula glaberrima ethyl acetate fraction that have an excellent inhibitory effect against HMG-CoA reductase activity, an excellent antioxidant effect and a remarkably excellent effect of suppressing the formation of foam cells in macrophages. Also, disclosed is a pharmaceutical composition or health food composition for treating, preventing and ameliorating vascular diseases, hypercholesterolemia, or heart diseases caused by hypercholesterolemia, or lowering blood cholesterol levels, containing, as active ingredients, the Filipendula glaberrima alcoholic extract and the solvent fractions or the novel compounds 1 and 2.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: May 2, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyoung Ja Kim, Chang Bae Jin, Hyun Beom Lee, Hyun Soo Choi, You Bin Cho
  • Patent number: 11640030
    Abstract: Disclosed are an optical phased array chip and a method of manufacturing the same. The optical phased array chip includes a plurality of optical switches and a plurality of optical phased arrays implemented on a single integrated circuit, wherein the single integrated circuit includes a silicon substrate, a lower layer formed on an upper portion of the silicon substrate, a silicon layer formed on an upper portion of the lower layer, a first upper layer, a second upper layer and a third upper layer sequentially arranged on the silicon layer, and an electrode that penetrates through the first upper layer while being grounded to the silicon layer and is formed on an upper portion of the first upper layer.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: May 2, 2023
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyo-Hoon Park, Jong-Bum You, Dong-Eun Yoo, Ju-Beom Lee, In Ki Kim, Tae Joon Seok, Geumbong Kang, Hyeonho Yoon, Nam-Hyun Kwon