Patents by Inventor Dong-Hwa Lee

Dong-Hwa 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: 20250114173
    Abstract: Methods and devices for noise filtering of a three-dimensional scanner are disclosed. The scan image processing method according to one embodiment comprises: acquiring first scan data values regarding a surface of an object; acquiring second scan data values regarding the surface of the object; determining first vectors connecting the first scan data values from a virtual focus, or second vectors connecting the second scan data values from the virtual focus; determining whether first vectors intersect the second scan data values or second vectors intersect the first scan data values; and, if at least one of the first vectors intersects at least one of the second scan data values, deleting a data value associated with the intersected first vector, and, if at least one of the second vectors intersects at least one of the first scan data values, deleting the first scan data value that intersects with the second vector.
    Type: Application
    Filed: August 4, 2022
    Publication date: April 10, 2025
    Applicant: MEDIT CORP.
    Inventors: Dong Hoon LEE, Dong Hwa KANG
  • Patent number: 12269273
    Abstract: Provided are a substrate treating liquid supply unit for constantly maintaining a liquid level of a nozzle of an inkjet head unit through real-time water level measurement, and a substrate treating apparatus including the same. The substrate treating liquid supply unit includes: a first reservoir connected to an inkjet head unit for jetting a substrate treating liquid onto a substrate and providing the substrate treating liquid to the inkjet head unit; a water level sensor measuring a water level of the substrate treating liquid stored in the first reservoir; and a pressure control module compensating for a pressure provided to the first reservoir based on an amount variation in the water level of the substrate treating liquid, wherein a liquid level of a nozzle of the inkjet head unit is constantly maintained.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: April 8, 2025
    Assignee: SEMES CO., LTD.
    Inventors: Dong Hwa Lee, Dai Geon Yoon, Soo Hong Lee, Ji Hyeon Kim, Dae Sung Kim
  • Patent number: 12269372
    Abstract: A seat for a vehicle with a cushion tip-up and down function is provided. The seat is configured such that a cushion leg provided in a cushion is held, in a fitted manner, by a support spring of a support structure provided in a seat base, and when the cushion is rotated, the cushion leg is allowed to be folded and ejected by being automatically rotated, thereby improving the convenience of use.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: April 8, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Jung Sang You, Han Su Yoo, Guk Mu Park, Dong Woo Jeong, Myung Hoe Kim, Eun Sue Kim, Dae Hee Lee, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Gwon Hwa Bok, Jun Sik Hwang
  • Publication number: 20250105301
    Abstract: Provided is a collector including an adhesion enhancing layer capable of providing a positive electrode having excellent adhesion and low interfacial resistance, a positive electrode including the same, and a lithium secondary battery including the positive electrode. The collector includes a conductive metal layer, and an adhesion enhancing layer provided on at least one surface of the conductive metal layer, wherein the adhesion enhancing layer has a surface roughness (Ra) of 90 nm to 600 nm and a diiodomethane contact angle of 70° to 120°.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 27, 2025
    Applicants: LG Chem, Ltd., LG Energy Solution, Ltd.
    Inventors: Jung Hyun Seo, Min Soo Kim, Dong Oh Shin, Ho Chan Lee, Kwang Ho Yoo, Soon Hwa Jung
  • Publication number: 20250072768
    Abstract: A wrist-wearable blood pressure measurement device includes a strap to wrap a wrist of a subject, a blood pressure measurement sensor placed to be adjacent to an artery of the subject, a blood pressure measurement module to receive data measured by the blood pressure measurement sensor, and an angle sensor to detect a rotation state of the wrist of the subject. The angle sensor measures an angle at which an inner side surface of the wrist rotates around a vertical reference axis perpendicular to a ground. The blood pressure measurement module determines that the angle is in a normal state when the angle is within an allowable range, and determines the angle is in an abnormal state when the angle is not within the allowable range, and determines at least one of whether to continue measurement, whether to provide guidance, and whether a measurement value is valid.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 6, 2025
    Inventor: Dong Hwa LEE
  • Publication number: 20250072769
    Abstract: A sensor module for measuring blood pressure includes a base portion, a pressure equalization sheet placed on one side of the base portion and filled with liquid or gas, a sensor unit including at least one sensor placed on one side of the pressure equalization sheet, and stoppers configured to be in close contact with the pressure equalization sheet and face each other.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 6, 2025
    Inventor: Dong Hwa LEE
  • Patent number: 12232273
    Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: February 18, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yun Mi Bae, Soon Gyu Kwon, Sang Hwa Kim, Sang Young Lee, Jin Hak Lee, Han Su Lee, Dong Hun Jeong, In Ho Jeong, Dae Young Choi, Jung Ho Hwang
  • Publication number: 20250055006
    Abstract: A reinforced composite membrane with improved ion conductivity and wettability is provided. Provided in one embodiment of the present disclosure is a reinforced composite membrane comprising a porous support and an ionomer layer, which comprises an ion conductor filling the pores inside the porous support, wherein the porous support comprises a first surface and a second surface opposite to the first surface, and the first surface is reformed to contain a first hydrophilic functional group.
    Type: Application
    Filed: November 23, 2022
    Publication date: February 13, 2025
    Inventors: Jung Hwa PARK, Dong Hoon LEE, Kum Suck SONG, Sung Hyun YUN, Seung Jib YUM, Chang Hoon OH, Hye Song LEE, Eun Su LEE
  • Publication number: 20250055724
    Abstract: An apparatus for controlling a GCL of an Ethernet switch and a method thereof are provided. A controller area network (CAN) message is transformed to an Ethernet frame, a queue corresponding to a transmission type of the CAN message is determined, and a time to open or close a transmission gate of the queue is updated over a gate control list (GCL), thereby effectively scheduling (lowering the complexity of scheduling) a plurality of CAN messages transmitted to the Ethernet, and improving transmission reliability of the CAN message.
    Type: Application
    Filed: November 28, 2023
    Publication date: February 13, 2025
    Inventors: Jin Hwa Yun, Ju Ho Choi, Dong Jun Lee
  • Patent number: 12218391
    Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: February 4, 2025
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Jung Hwa Park, Kwang Sei Oh, Dong Hoon Lee, Na Young Kim, Eun Su Lee, Seung Jib Yum
  • Patent number: 12219700
    Abstract: A circuit board according to an embodiment includes a first insulating portion including at least one insulating layer; a second insulating portion disposed on the first insulating portion and including at least one insulating layer; and a third insulating portion disposed under the first insulating portion and including at least one insulating layer; wherein the insulating layer constituting the first insulating portion includes a prepreg containing glass fibers, and wherein each of the insulating layers constituting the second and third insulating portions is made of resin coated copper (RCC).
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: February 4, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Suk Kim, Dong Hwa Lee
  • Publication number: 20250026252
    Abstract: A seat adjustment apparatus for a vehicle includes a plurality of connection frames provided along two opposite sides of a seat frame and two opposite sides of a back frame and configured to move forward or rearward depending on a folding direction of the back frame, guide parts provided at middle points of the plurality of connection frames and configured to be moved upward or downward by forward or rearward movements of the connection frames, and a seat cushion pipe provided inside the two connection frames and configured such that front ends of the seat cushion pipe are connected to the guide parts, and a position of a rear end of the seat cushion pipe is adjusted upward or downward by upward or downward movements of the guide parts.
    Type: Application
    Filed: November 13, 2023
    Publication date: January 23, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Mu Young Kim, Chan Ho Jung, Dong Hoon Keum, Sang Soo Lee, Ho Suk Jung, Sang Do Park, Jong Su Kim, In Hoe Jeong, Soo Yong Kim, Jung Eun Kwon, Dong Jin Kim, Gwon Hwa Bok, Jun Sik Hwang, Cheol Hwan Yoon
  • Patent number: 12207404
    Abstract: A circuit board may include an insulating layer; a circuit pattern disposed above the top surface of or below the bottom surface of the insulating layer; and a buffer layer disposed between the insulating layer and the circuit pattern, the buffer layer comprising carbon atoms, nitrogen atoms, oxygen atoms, silicon atoms, sulfur atoms, and metal atoms. The ratio of the carbon atoms to the metal atoms ((carbon atom/copper atom)*100) is within a range of 5-7; the ratio of the nitrogen atoms to the metal atoms ((nitrogen atom/copper atom)*100) is within a range of 1.5-7; the ratio of the oxygen atoms to the metal atoms ((oxygen atom/copper atom)*100) is within a range of 1.1-1.9; and the ratio of the silicon atoms to the metal atoms ((silicon atom/copper atom)*100) is within a range of 0.5-0.9; and the ratio of the sulfur atoms to the metal atoms ((sulfur atom/copper atom)*100) is within a range of 0.5-1.5.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: January 21, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Suk Kim, Dong Hwa Lee
  • Patent number: 12156720
    Abstract: The portable blood pressure measuring device includes a body part in which a controller for calculating blood pressure information, a display for outputting blood pressure information, and a power supply are built; a wrist strap coupled to the body part; a fastening unit for fastening the wrist strap to the wrist; a first pressure sensor coupled to a first position of the wrist strap; and a second pressure sensor coupled to a second position of the wrist strap, in which the first pressure sensor is disposed to be adjacent to a position under which the user's radial artery passes, and the second pressure sensor is disposed to be adjacent to a position under which the user's ulnar artery passes, in which the controller calculates a blood pressure based on a first pressure, a second pressure and an interference constant determined by the wrist strap.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: December 3, 2024
    Assignee: CHARMCARE CO., LTD.
    Inventor: Dong Hwa Lee
  • Patent number: 12134271
    Abstract: Provided is a pressure control device for stably controlling the internal air pressure of a reservoir. The pressure control device includes: an input terminal receiving source air pressure; an intake valve connected between the input terminal and an output terminal; an exhaust valve connected to the output terminal; a pressure sensor connected to the output terminal and generating a sensed value by sensing pressure at the output terminal; and a controller simultaneously operating the intake valve and the exhaust valve by simultaneously operating a first control loop for adjusting the degree of opening of the intake valve by comparing the sensed value with a first target value and a second control loop for adjusting the degree of opening of the exhaust valve by comparing the sensed value with a second target value.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: November 5, 2024
    Inventors: Dong Hwa Lee, Dai Geon Yoon, Bong Man Choi, Jong Suk Won, Hyeong Jun Cho
  • Publication number: 20240357824
    Abstract: There is provided a semiconductor memory device having improved reliability. The semiconductor memory device includes a cell substrate, a mold stack including mold insulating layers and gate electrodes, which are alternately stacked on the cell substrate, a semiconductor layer extended in a vertical direction crossing an upper surface of the cell substrate to pass through the mold stack, a blocking insulating pattern between the semiconductor layer and each of the gate electrodes, a charge storage layer including a charge trap portion between the semiconductor layer and the blocking insulating pattern and a first charge blocking portion between the semiconductor layer and each of the mold insulating layers, and a tunnel insulating layer between the semiconductor layer and the charge storage layer, wherein an oxygen concentration of the first charge blocking portion is higher than that of the charge trap portion.
    Type: Application
    Filed: December 1, 2023
    Publication date: October 24, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byong Ju KIM, Dong Sung CHOI, Won Jun PARK, Dong Hwa LEE, Jae Min JUNG, Chang Heon CHEON
  • Patent number: 12119241
    Abstract: A unit for supplying a substrate-treating liquid is provided with a first reservoir and a second reservoir between which a differential pressure is constantly maintained to establish a flow rate, along with a substrate-treating apparatus having the unit for supplying the substrate-treating liquid. The unit for supplying the substrate-treating liquid includes a supply reservoir module and a buffer reservoir module. The supply reservoir module includes a first reservoir for supplying the substrate-treating liquid to an inkjet head unit for jetting the substrate-treating liquid onto a substrate, and a second reservoir for recovering the substrate-treating liquid that remains unused in the inkjet head unit. The buffer reservoir module is configured to provide the substrate-treating liquid to the first reservoir. Differential pressure is constantly maintained between the first reservoir and the second reservoir.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: October 15, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Dong Hwa Lee, Dai Geon Yoon, Soo Hong Lee, Ji Hyeon Kim, Dae Sung Kim
  • Patent number: 12101878
    Abstract: A circuit board according to an embodiments includes an insulating portion comprising a plurality of insulating layers, wherein the insulating portion includes: a first insulating portion; a second insulating portion disposed on the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; and a third insulating portion disposed under the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; wherein the first insulating portion includes a prepreg including glass fibers, and wherein the second and third insulating portions include a resin coated copper (RCC) with a coefficient of thermal expansion in the range of 10 to 65 (10?6 m/m·k).
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: September 24, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hwa Lee, Yong Suk Kim
  • Publication number: 20240217243
    Abstract: An ink treatment apparatus and method are provided. The ink treatment apparatus includes: a reservoir storing ink; a head module ejecting the ink; a first control valve controlling a flow of the ink; a plurality of fluid transfer lines installed between the reservoir and the head module and having the ink flow therein; a pump installed in the fluid transfer lines to pump the ink; a flow rate measurement module installed in the fluid transfer line, the flow rate measurement module measuring a flow rate of the ink in accordance with the flow of the ink and providing ink flow rate information that is information regarding the flow rate of the ink; and a control module controlling a circulation ratio of the ink between the fluid transfer lines by controlling the pump and the first control valve based on the ink flow rate information.
    Type: Application
    Filed: April 18, 2023
    Publication date: July 4, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Dong Hwa LEE, Dai Geon Yoon, Soo Hong Lee, Bong Man Choi, Dae Sung Kim
  • Publication number: 20240208211
    Abstract: Provided is a pressure control device for stably controlling the internal air pressure of a reservoir. The pressure control device includes: an input terminal receiving source air pressure; an intake valve connected between the input terminal and an output terminal; an exhaust valve connected to the output terminal; a pressure sensor connected to the output terminal and generating a sensed value by sensing pressure at the output terminal; and a controller simultaneously operating the intake valve and the exhaust valve by simultaneously operating a first control loop for adjusting the degree of opening of the intake valve by comparing the sensed value with a first target value and a second control loop for adjusting the degree of opening of the exhaust valve by comparing the sensed value with a second target value.
    Type: Application
    Filed: March 13, 2023
    Publication date: June 27, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Dong Hwa LEE, Dai Geon YOON, Bong Man CHOI, Jong Suk WON, Hyeong Jun CHO